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SAFETY REPORT
Report a Passenger or Safety incident/issue
you have experienced or encountered CLICK here
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737 MAX
Incident Reports

U.S. based airlines are required to submit safety reports called Service Difficulty Reports (SDRs) for malfunctions involving aircraft systems in accordance with U.S. law. The Federal Aviation Administration (FAA) is required by Department of Transportation policy to investigate these incidents to determine root causes and to ensure corrective action is taken by aircraft manufacturers and airlines to fix the problem(s). These reports are crucial for maintaining and improving aviation safety, as they help to identify potential hazards, evaluate risks, and implement corrective measures to prevent future tragedies.

The foundation believes it is important to highlight select reports involving 737 MAX airplanes. We find the reports listed below concerning because of the history of the MAX and the repetitive and/or serious nature of the reports.

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ASAA – Alaska Airlines, AALA – American Airlines, CALA – United Airlines, SWAA – Southwest Airlines

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Control Number
ASAA2023100745527
Discrepancy Date
10/7/23
Submission Date
10/10/23
Airline Name
ASAA
Registry Number
979AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4821
Discrepancy
GE DIAGNOSTICS REPORTS THE #2 ENGINE IS GENERATING ALERTS FOR PS3 OUT OF RANGE, PS3 PRESSURE DISAGREE FAULT, P3B OUT OF RANGE, P3B PRESSURE DISAGREE FAULT, OR P3B VS PS3 PRESSURE DISAGREE FAULT. (#PRI1\ETOPS) CNR 20231007039 TASK CARD 73-ASA-01. GROUNDED - YES. (RESOLVED ON W/O: 1972074 TASKCARD: N/R-00001 ) ACCOMPLISHED T/C 73-ASA-01 AS REQUIRED, FOR ENG. #2. ENG. IDLE SYS. TEST GOOD.SEAMC ANDY NOTIFIED.
Control Number
ASAA2023100745505
Discrepancy Date
10/7/23
Submission Date
10/11/23
Airline Name
ASAA
Registry Number
933AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6094
Discrepancy
WHILE ACCOMPLISHING TASK CARD # 31-005-00 FOUND SCHEDULED MTXTASK MESSAGE "BLEED FAMV RVDT R.". GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023100745489
Discrepancy Date
10/7/23
Submission Date
10/11/23
Airline Name
ASAA
Registry Number
973AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6080
Discrepancy
# 2 ENG TRF DRAIN LINE @ 6:00 POS, LH LINE MISSING. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023100745507
Discrepancy Date
10/7/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
933AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6104
Discrepancy
LEFT FWD WINDOW HEAT OVERHEAT LIGHT ILLUMINATED FOUND ON RECALL CK PRIOR TO T/O. GROUNDED - YES. FOLLOWED QRH LIGHT EXTINGUISHED AND REMAIND OFF.
Control Number
ASAA2023100745476
Discrepancy Date
10/7/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
913AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
9166
Discrepancy
CFM IS REPORTING A POTENTIAL PROBLEM WITH #1 ENGINE EEC CHANNEL A VIBRATION ANALYSIS HEALTH MODULE, WITHIN THE EEC. GROUNDED - YES. REMOVED AND REPLACED EEC PER AMM 73-21-05. OPS CHECK GOOD.
Control Number
ASAA2023100645493
Discrepancy Date
10/6/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
947AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
186
Discrepancy
NO LIGHTS/ON MCP. FAILS TO ILLUMINATE WITH ALL REOSTAT CONTROL TURNED HIGH AND WILL NOT ILLUMINATE WHEN TESTED. GROUNDED - YES. PERFORMED POWER CYCLE - PERFORMED MODE CONTROL PANEL INSTALLATION TEST IN REFERENCE WITH AMM TASK 22-11-34-740-801, ALL TESTS PASS. NO FURTHER DEFECTS.
Control Number
ASAA2023100645508
Discrepancy Date
10/6/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
947AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
192
Discrepancy
RIGHT FWD WINDOW OVHT LIGHT ILLUMINATED ON TAXI OUT. GROUNDED - YES. LIGHT STAYED OFF AFTER RUNNING QRH. NO MX HISTORY PAST 90 DAYS.
Control Number
ASAA2023100645492
Discrepancy Date
10/6/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
982AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1083
Discrepancy
CP FLYING UPON DISCONNECT OF AUTOPILOT & AUTOTHROTTLES FO SIDE A/P P/RST VISUAL AND AUDIO ALERT SYSTEM DID NOT DISENGAGE. GROUNDED - YES. (RESOLVED ON W/O: 1972440 TASKCARD: N/R-00001 ) PERF CB INTERFACE TEST REF AMM 22-11-00-740-808. VALUES FOR CO1049 CB CHECKS NORMAL.LLM LAND VERY TEST PASSED REF AMM 22-11-00. 3CB, OPENED, TAGGED, CLOSED, TAGS REMOVED FOR MX. NO OTHER DEFECTS FOUND AT THIS TIME, UNABLE TO DUPLICATETHIS CLEARS MEL 22-99B,22-31-01, AND 22-10-01. PLACARDS, AND CN REMOVED. SEAMC JOE NOTIFIED.
Control Number
ASAA2023100645477
Discrepancy Date
10/6/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
946AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3943
Discrepancy
WHILE ACCOMPLISHING T/C 05-020-01 DISCOVERED ENG 1 EEC C2 ON SMT. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM G73-20-00-810-803 (ALTERNATE MODE AND DPC-2 SIGNALS DO NOT AGREE). NO DEFECTS NOTED. DETERMINED TO BE INTERMITTENT FAULT.
Control Number
ASAA2023100645478
Discrepancy Date
10/6/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
946AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3943
Discrepancy
WHILE ACCOMPLISHING T/C 05-020-01 DISCOVERED ENG 2 EEC C2 ON SMT MESSAGE. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM G73-20-810-804 (ALTERNATE MODE AND DPC-2 SIGNALS DO NOT AGREE) . NO DEFECTS NOTED. DETERMINED TO BE INTERMITTENT FAULT.
Control Number
ASAA2023100645473
Discrepancy Date
10/6/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
941AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4607
Discrepancy
#2 ENGINE WON'T START WITH IGNITION ON R. GROUNDED - YES. C/O BITE TEST OF SYSTEM A AND SYSTEM B CHANNELS ENG #2 WAS NOT ABLE TO DUPLICATE FAULT C/O ENGINE START WITH IGNITION SET ON (R) IGNITER, ENGINE START NORMAL.
Control Number
ASAA2023100645469
Discrepancy Date
10/6/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
979AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4816
Discrepancy
DURING PREFLIGHT FMC DISAGREE ANNUNCIATED. GROUNDED - YES. ACCOMPLISHED QRH PROCEDURE TO RESET FMCS.
Control Number
ASAA2023100645485
Discrepancy Date
10/6/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
928AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6381
Discrepancy
WHILE PERFORMING TASK CARD # 31-005-00 FOUND ACTIVE MAINTENANCE MESSAGE 21-55341 FOR IASC-R (AIR COND) HAS AN AIR/GND DISCRETE INPUT ERROR. GROUNDED - YES. PERFORMED IFIM TASK 21-51-00-810-835, PERFORMED IBIT FOR RH AIR CONDITION SYSTEM TEST. TEST PASSED. CLEARED MAINTENANCE MESSAGE AND LATCHED MESSAGE.
Control Number
ASAA2023100645514
Discrepancy Date
10/6/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
921AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
7561
Discrepancy
ON GROUND BEFORE PUSHBACK, RECEIVED "FMC DISAGREE CAUTION ON MFDS. GROUNDED - YES. RAN QRH 11.2. CONDITION CLEARED.
Control Number
ASAA2023100645513
Discrepancy Date
10/6/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
920AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
7571
Discrepancy
AT CRUISE FL 360 HAD A/P DISCONT & "VTK" DISPLAYED CA PFD. ROUTE DATA WAS REMOVED AT APPROX 20' SEC DATA RESTORED "VTK" REMOVED FROM PFD - NORMAL OPERATION RESTORED. GROUNDED - YES. VERIFIED LAST FLT FMC L/H HAD AN INTERMITTENT FAULT. (PRES POS LAT RATE) AT 2159Z. WHILE CHECKING SENSOR STATUS OF BOTH FMC'S BOTH SHOW MISMATCH, VERIFIED BOTH FMC'S HAVE SAME SOFTWARE & PERFORMANCE FACTORS. CYCLED A/C PWR FOR 2MIN. ACCOMP FMC SENSOR STATUS ALL SHOW OK & FIX OUTPUT SHOW OK REF B737-9 AMM 34-61-00-710-002 & B737-9 IFIM 34-61-00-810-918.
Control Number
SWAA2023100507722
Discrepancy Date
10/5/23
Submission Date
10/5/23
Airline Name
SWAA
Registry Number
8718Q
Aircraft Make
BOEING
Aircraft Model
7378
Aircraft Total Time (hrs)
11546
Discrepancy
MULTIPLE EMERGENCY LIGHTS (FWD INTERIOR) INOP.
Control Number
ASAA2023100545463
Discrepancy Date
10/5/23
Submission Date
10/6/23
Airline Name
ASAA
Registry Number
941AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4598
Discrepancy
1) STARTING ENG #2 ABORTED FOR NO FUEL FLOW2) ATTEMPT 2 ENG # 2 ABORTED FOR DECREASING EGT. GROUNDED - YES. PERFORMED B737-9 IFIM TASK 31-00-00-810-803. AND PERFORMED # 2 ENG. IDLE RUN REF B737-9 AMM 71-00-00-910-803 G 00. # 2 ENG. OPS NORMAL. A/C OK FOR SVC.
Control Number
ASAA2023100545465
Discrepancy Date
10/5/23
Submission Date
10/6/23
Airline Name
ASAA
Registry Number
979AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4803
Discrepancy
REF T/C 05-020-01 IN PRESENT LEG FAULTS MESSAGE 77-41614 "EGT PROBE 2 VALUE DOES NOT AGREE WITH THE AVERAGE OF ALL OTHER VALID EGT PROBE VALUES" IS SHOWING. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM TASK G77-21-00-810-829 AND ENGINE IDLE SYSTEM TEST REF B737-9 AMM G71-00-00-700-808-G00, INITIAL EVALUATION SHOWS THE FAULT IS NOT ACTIVE AT THIS TIME. NO FURTHER MAINTENANCE REQUIRED.
Control Number
ASAA2023100545515
Discrepancy Date
10/5/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
932AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6603
Discrepancy
AT FL370 AN CRUISE, EXPERIANCED A DUEL FMC FAILURE WITH " VTK" ON CAPT. N.D LASTED FOR APPROX. 20-30 SECONDS AND THEN BOTH SIDES RESTORED. LNAV/VNAV DISCONECTED AND HAD TO BE MANUALLY RE-ENGAUGED. "VTK" DISAPPEARED. GROUNDED - YES. ACCOMPLISHED IFIM TASK 34-61-00-801-918. RESET NO.1 7 NO.2 FMC, OPS CHECK GOOD. SEAMC PAT NOTIFIED.
Control Number
CALA2023101103028
Discrepancy Date
10/4/23
Submission Date
10/11/23
Airline Name
CALA
Registry Number
37567
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1053
Discrepancy
ISLE EMERGENCY LIGHTS INOP FIRST CLASS SECTION. REMOVED AND REPLACED FUSES IN BATTERY CHARGER REF AMM 33-51-06-610-801. NO HELP. TROBLESHOT WIRING AND FOUND A CHAFE IN A WIRE UNDER SEAT 5B RECLINE ACTUATOR. AJUSTED POSITION OF THE WIRE AND INSULATED CHAFFED ARIA OF THE WIRE REF SWPM20-10-13. REPLACED FUSES AND PROFORMED OPPS CHEK OF EMERGENCY LIGHTS REF 33-21-00-720-801. OPPS CHECK GOOD CLEAR DEFECT.
Control Number
ASAA2023100445457
Discrepancy Date
10/4/23
Submission Date
10/6/23
Airline Name
ASAA
Registry Number
961AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2296
Discrepancy
LEFT SIDE WINDOW HEAT CAUTION AFTER STARTING ENGINES. COMPLETED RESET PER QRH. GROUNDED - YES. COMPLETED RESET PER QRH.
Control Number
ASAA2023100445435
Discrepancy Date
10/4/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
949AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3902
Discrepancy
FAULT INOP TEST ON FIRE DETECTION PANEL FLAGS "FAULT" AND APU FIRE DET INOP". GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023100445461
Discrepancy Date
10/4/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
979AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4803
Discrepancy
DRIPPING ENGINE OIL UNDER #2 ENGINE W/SMALL POOLING COLLECTING UNDERNEATH. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023100445438
Discrepancy Date
10/4/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
976AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5464
Discrepancy
WHILE ACCOMPLISHING TC 72-220-00 BORESCOPE #1 ENG S/N 603094 COMBUTION CHAMBER. FOUND CIRCUMFERENCIAL CRACKS AND MISSING MATEREAL IN THE DEFLECTOR PLATE NO. 12,13,14 PER TC 72-220-00 STEP C-2 (D-1) CIRCUMFERENTIAL CRACKS NOT PERMITED. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023100445462
Discrepancy Date
10/4/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
972AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6268
Discrepancy
WHILE ACCOMPLISHING REINSPECT OF #2 ENG SCAVANGE SCREENS, 2 CHIPS WERE FOUND IIN #2 TGB SCREEN. REF DEFECT 60911349. GROUNDED - YES. (RESOLVED ON W/O: 1972433 TASKCARD: N/R-00001 ) INSPECTED THE ODMS SENSOR AND ALL THE SCAVENGE SCREEN PLUGS. FOUND DEBRIS ON THE ODMS SENSOR AND 1 CHIP IN #1 TGB SUMP AND 2 CHIPS IN THE #2 TGB SUMP. SENT CHIPS AND PICTURES TO TECH SERVICES FOR FURTHER EVALUATION B. WHITE 62595 10/06/2023 RESET ODMS CHIP COUNT REF MM 71-00-00-700-802- G00 V. MULDREW 47631 10/06/2023. REF L/P 6091933 FOR CFM DISPOSITION AND NEW PLT DEFERRAL. THIS CLEARS MCT DEFERRAL SEAMC NOTIFIED.
Control Number
ASAA2023100445454
Discrepancy Date
10/4/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
929AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6822
Discrepancy
SAT -1 NOT READY. GROUNDED - YES. ON DEFERRAL.
Control Number
SWAA2023101906981
Discrepancy Date
10/3/23
Submission Date
10/19/23
Airline Name
SWAA
Registry Number
8714Q
Aircraft Make
BOEING
Aircraft Model
7378
Aircraft Total Time (hrs)
13432
Discrepancy
DOT 011 CORROSION FOUND AROUND SEVERAL FASTENER HOLES ALONG LH 'Z' ANGLE FROM STA 500 TO 500I
Control Number
ASAA2023100345443
Discrepancy Date
10/3/23
Submission Date
10/5/23
Airline Name
ASAA
Registry Number
961AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2279
Discrepancy
FOLLOW UP TO #1 AND #2 ENGINE START KNOB FALLING OFF CAUSING DELAYS. GROUNDED - YES. REMOVED OLD AND INSTALLED NEW #1 AND #2 ENGINE START KNOBS PER B737-9 AMM 80-11-03.
Control Number
ASAA2023100345425
Discrepancy Date
10/3/23
Submission Date
10/4/23
Airline Name
ASAA
Registry Number
955AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3001
Discrepancy
FMC DISAGREE GROUNDED - YES. RAN QRH. PROBLEM FIXED. NO FURTHER MAINT REQUIRED, AC OK FOR SVC.
Control Number
ASAA2023100245430
Discrepancy Date
10/2/23
Submission Date
10/4/23
Airline Name
ASAA
Registry Number
961AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2273
Discrepancy
ENG #1 SWITCH IS LOOSE. GROUNDED - YES. TIGHTENED MOUNT SCREWS AS REQ REF AMM 80-11-03.
Control Number
ASAA2023100245410
Discrepancy Date
10/2/23
Submission Date
10/3/23
Airline Name
ASAA
Registry Number
976AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5455
Discrepancy
DURING #2 ENG IDLE LEAK CHECK FOUND L/H MAIN CORE COMPLARTMENT DRAIN LEAKING MORE THAN 1 DROP A SECOND. REF AMM 71-71-00-200-801-G00 FIG 601 SHEET 3. GROUNDED - YES. REPLACED #2 ENG SPLIT CONTROL UNIT REF MM 73-11-06, LK AND OPS CK GOOD.
Control Number
ASAA2023100245411
Discrepancy Date
10/2/23
Submission Date
10/6/23
Airline Name
ASAA
Registry Number
973AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6025
Discrepancy
WHILE PERFORMING T/C 31-005-00. FOUND ENG 2 EEC C1 SMT, FAULT CODE 73-43984 " ENGINE START OVERSPEED THRUST CONTROL MALFUNCTION ACCOMMODATION TEST FAILED ( SINGLE CHANNEL ) DETECTED BY: ENGINE-2 EEC CHANNEL-B". GROUNDED - YES. ON DEFERRAL.
Control Number
CALA2023100302932
Discrepancy Date
10/1/23
Submission Date
10/3/23
Airline Name
CALA
Registry Number
17317
Aircraft Make
BOEING
Aircraft Model
7378
Aircraft Total Time (hrs)
796
Discrepancy
COCKPIT TEMP RUNAWAY. NOTICED RISING TEMP AFTER ENGINE START. C OCKPIT REACHED 78C PACK FLOW CTRL SENSOR L STATUS MESSAGE PRESENT. MAINT. MESS 21-55060. ACCOMPLISHED AIR COND. IBIT WITH FLOW SENSOR TEST LEFT. TEST FAILED. REPLACED LEFT PACK FLOW CTRL. SENSOR REF AMM 21-61-24-400-801. ACCOMPLISHED FLOW SENSOR TEST REF AMM 21-00-00-730-802. TEST FAILED. LEFT PACK FLOW SENSOR IS OUT OF RANGE. PERFORMED WIRING CHECKS BETWEEN LEFT PACK FLOW SENSOR (D15822) AND LEFT INTEGRATED AIR SYSTEM CONTROLLER (D15838B). GOOD CONTINUITY, NO WIRING FAULTS FOUND. PERFORMED INTEGRATED AIR SYSTEM CONTROLLER SWAP WITH RIGHT UNIT. FAULT DID NOT FOLLOW. ADD EMP:U383580,U217914, BOTH CONTROLLERS OPS CHECK GOOD. AFTER RE-PERFORMING GROUND TESTS: AIR CONDITIONING IBIT WITH FLOW SENSOR TEST - LEFT & RIGHT. BOTH PASSED. OPS CHECKS OF PACKS AIR CONDITIONING IS COLD. AFTER ENGINES RUN TEMPERATURE DID NOT FLUCTUATE INSIDE FLIGHTDECK. REF. AMM: 21-51 TASK 851.OVERWEIGHT LANDING DUE TO DIVERSION. 15K LBS OVWT REPORTED TO TOMC PER CAPTAIN IT WAS A SOFT LANDING. ACCOMPLISHED OVERWEIGHT INSP. PHASE 1 OPTION A. REF AMM 05-51-35. NO FAULTS NOTED.
Control Number
ASAA2023100145404
Discrepancy Date
10/1/23
Submission Date
10/3/23
Airline Name
ASAA
Registry Number
969AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
982
Discrepancy
SPEED TRIM FAIL AMBER LIGHT ILLUMINATES WHEN RECALL PUSHED. GROUNDED - YES. REF IFIM 22-11-00-810-C61 AND FLEET TEAM DIGEST 737MAX-FTD-22-21002. ACCOMPLISHED DFCS BITE. NO CURRENT FAULTS. FCC-B SHOWS LAST LEG MSG: 22-11186. ACCOMPLISHED LRU TEST PER IFIM 22-11-00-810-C61. OPS TESTS NORMAL. ALL REQUIRED TESTS PASS. HAD PAST-FLIGHT BRIEFING WITH CAPTAIN AND VERIFIED THAT "SPEED TRIM FAIL" LIGHT ILLUMINATED AT TOP OF DESCENT DURING ACCOMPLISHMENT OF CHECKLIST. BOEING IS AWARE OF THE ISSUE. FTD STATES THAT THE MUISANCE CONDITION WILL BE MITIGATED WHEN FCC SOFTWARE IS UPDATED TO P13.0 SOFTWARE.
Control Number
ASAA2023100145373
Discrepancy Date
10/1/23
Submission Date
10/5/23
Airline Name
ASAA
Registry Number
942AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4998
Discrepancy
WHILE PERFORMING, T/C 05-020-01 FOUND " ENG 1 EEC 2 " MSG ON SCHEDULED MAINTENANCE TASK DISPLAY SYSTEM. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023100145378
Discrepancy Date
10/1/23
Submission Date
10/5/23
Airline Name
ASAA
Registry Number
942AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4998
Discrepancy
WHILE PERFORMING, T/C 05-020-01 FOUND " ENG 2 EEC 2 " MSG ON SCHEDULED MAINTENANCE TASK DISPLAY SYSTEM. GROUNDED - YES. ON DEFERRAL.
Control Number
CALA2023100602952
Discrepancy Date
9/30/23
Submission Date
10/6/23
Airline Name
CALA
Registry Number
37560
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1219
Discrepancy
ALL 4 MAIN GEAR TIRES BLOWN ON TO LOW SPEED REJECT. FLAGGING LOG PAGE AS SDR TIRES CHANGED ON LOGPAGES 5907050,5907058, 5907067, AND 5907074. #1 MLG WHEEL ASSY REMOVED FOM REF AMM 32-45-11 WHEEL INSPECTION WAS PERFORM ON #1 MLG WHEEL ASSEMBLY. PAINT IS MISSING AND FLAKING ALONG RIM, INBOARD WHEEL BEARING HAS DAMAGED GREASE SEAL, THERMAL FUSE BLOWN, THERMAL DAMAGE INSIDE RIM AND ALL DRIVE KEYS BENT. WORK WAS DONE IN ACCORDANCE WITH ROTABLE COMPLETED ON LOGPAGE 5907050 STEP D OF AMM 05-51-17-210-801 #1 MLG TIRE TORQUED REF AMM 32-45-11 REQUIRES SAFETY BOLTS.WHEEL, TIRE, AS OFF 42-3249-9-0001 3815 ON 42-3249-9-0001 1361 WHEEL, TIRE, AS OFF 42-3249-9-0001 3815 ON 0000 ROTABLE PARTS USED: 1706208,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1706208 SN OFF 3815. #2 MLG WHEEL ASSY REMOVED FOM REF AMM 32-45-11 WHEEL ROTABLE COMPLETED ON LOGPAGE 5907058 WHEEL INSPECTION WAS PERFORM ON #2 MLG WHEEL ASSEMBLY. PAINT IS MISSING AND FLAKING ALONG RIM, INBOARD WHEEL BEARING HAS DAMAGED GREASE SEAL, THERMAL FUSE BLOWN, THERMAL DAMAGE INSIDE RIM, ALL DRIVE KEYS BENT, DENT AND SCRATCH ON EDGE OF RIM. WORK WAS DONE IN ACCORDANCE WITH STEP D OF AMM 05-51-17-210-801 INSTALLED #2 MLG TIRE REF AMM 32-45-11.WHEEL, TIRE, AS OFF 42-3249-9-0001 4632 ON 0000 WHEEL, TIRE, AS OFF 42-3249-9-0001 4632 ON 42-3249-9-0001 4970 ROTABLE PARTS USED: 42-3249-9-0001,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1651729 SN OFF 4632. #3 MLG WHEEL ASSY REMOVED FOM REF AMM 32-45-11 PERFORMED WHEEL BEARING FAIL.
Control Number
ASAA2023093045391
Discrepancy Date
9/30/23
Submission Date
10/3/23
Airline Name
ASAA
Registry Number
968AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1279
Discrepancy
ACCOMPLISH TASK CARD 05-020-01 FOUND FAULT MSG BLEED FAMV RVDTL MSG# 36-12030 LATCHED. GROUNDED - YES. PER IFIM TASK 36-12-00-810-803, ACCOMPLISHED ELECTRICAL LRU- REPLACEMENT TEST FOR LEFT SIDE PER AMM 36-00-00-710-801 AND TEST CONDITION PASSED. LATCHED MESSAGE WENT AWAY. THIS CLEARS PLT SEAMC SCOTT NOTIFIED.
Control Number
ASAA2023093045647
Discrepancy Date
9/30/23
Submission Date
10/16/23
Airline Name
ASAA
Registry Number
956AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2781
Discrepancy
TECH SERVICE REQUEST. FOLLOW UP ON ENGINE-1 FAMV RVDT SIGNAL IS OUT OF RANGE DETECTED BY: INTEGRATED AIR SYSTEMS CONTROLLER (IASC)-LEFT CODE 36-12030.(#PRI 2) ETOPSNOTE TO PREVENT DELAYS PERFORM BELOW TASK SEE LG# 60712530. GROUNDED - YES. (RESOLVED ON W/O: 1973485 TASKCARD: N/R-00001 ) PREFORMED IFIM TASK 36-12-00-801 AMM TASK 3600-00-710-801 FAULT CLEARED SEAMC DAVE NOTIFIED. THIS CLEARS THE TSR.
Control Number
SWAA2023100505761
Discrepancy Date
9/29/23
Submission Date
10/5/23
Airline Name
SWAA
Registry Number
8817L
Aircraft Make
BOEING
Aircraft Model
7378
Aircraft Total Time (hrs)
7772
Discrepancy
HFEC FASTENER HOLE INSPECTIONS (TTG8Q00NPPFE; STEP 8) NOTED THREE (3EA) HOLES WITH CRACK INDICATIONS AT THE FOLLOWING LOCATIONS: 1) BS 440+6; STR 22L. 2) BS 440+1; STR 23L. 3) BS 420+13; STR 22L.
Control Number
ASAA2023092945386
Discrepancy Date
9/29/23
Submission Date
10/2/23
Airline Name
ASAA
Registry Number
973AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6006
Discrepancy
SINGLE CHANNEL SPEED TRIM FAULT FOUND AT TOP OF DESCENT SPEED TRIM LIGHT EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. COMPLIED WITH B737-9 IFIM TASK 22-11-00-B10-B73. BITE TEST NO FAULTS FOUND. COMPLIED WITH DFCS OPS TEST PER B737-9 AMM 22-11-00-740-801. TEST PASSED. SPEED TRIM FAIL LIGHT EXTINGUISHED.
Control Number
ASAA2023092945479
Discrepancy Date
9/29/23
Submission Date
10/9/23
Airline Name
ASAA
Registry Number
973AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5998
Discrepancy
GE DIAGNOSTICS REPORTS CNR 20230929082 #2 ENGINE (S/N 603191) TREND DATA SHOWS EXCESS COKING OF THE FUEL NOZZLE MAIN ORIFICES. (#PRI3/ETOPS) (FULL SET FUEL NOZZLE REPLACEMENT 737MAX T/C 73-ASA-02)NO EXTENSION ALLOWED (225 CYCLES OR 45 DAYS, WHICHEVER OCCURS FIRST). GROUNDED - YES. (RESOLVED ON W/O: 1967838 TASKCARD: N/R-00002 ) T/C 73-ASA-02 ACCOMPLISHED FOR ENGINE #2 THIS CLEARS THE TRS SEAMC CARL NOTIFIED.
Control Number
ASAA2023092945399
Discrepancy Date
9/29/23
Submission Date
10/2/23
Airline Name
ASAA
Registry Number
973AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6008
Discrepancy
SINGLE CHANNEL SPEED TRIM FAIL FAULT FOUND AT TOP OF DESCENT SPEED TRIM FAIL LIGHT EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. INTERROGATED DFCS BITE FAULT REVIEW & FOUND ONLY MESSAGE 22-11186 LAST TWO LEGS REF LP 60685611. REF B737-9 IFIM 22-11-00-810-C61 STEP A2, THIS IS A NUISANCE FAULT WITH FCC P12.1.2 CROSS-TRIM MONITOR. APPLICABLE LRU TESTS PASS PER STEP B. A/C OKAY FOR CONTINUED SERVICE.
Control Number
SWAA2023100206601
Discrepancy Date
9/28/23
Submission Date
10/2/23
Airline Name
SWAA
Registry Number
8777Q
Aircraft Make
BOEING
Aircraft Model
7378
Aircraft Total Time (hrs)
3524
Discrepancy
EQUIPMENT SMOKE LIGHT ILLUMINATED IN FLIGHT AND DIDN'T EXTINGUISH. NO VISIBLE SMOKE NOTICED.
Control Number
ASAA2023092845360
Discrepancy Date
9/28/23
Submission Date
10/2/23
Airline Name
ASAA
Registry Number
963AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1749
Discrepancy
STARTING APU APU FAULT LIGHT ILLUMINATED. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023092845355
Discrepancy Date
9/28/23
Submission Date
9/29/23
Airline Name
ASAA
Registry Number
955AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2938
Discrepancy
RIGHT BLEED LIGHT ILLUMINATED - RAN QRH BLEED LIGHT EXTINGUISHED. GROUNDED - YES. NO HISTORY NOTED. NO MAINTENANCE LIGHT ILLUMINATED. NO FAULTS SHOWN. OPERATION NORMAL AFTER CREW "TRIP" RESET. SEAMC LAMONT NOTIFIED. OK FOR SERVICE.
Control Number
ASAA2023092845359
Discrepancy Date
9/28/23
Submission Date
9/29/23
Airline Name
ASAA
Registry Number
948AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3897
Discrepancy
MAINTENANCE LIGHT ILLUMINATED. GROUNDED - YES. FOUND FAULT CODE 36-12020. COMPLIED WITH AMM 36-00-00-730-801. ALL FAULT INDICATIONS CLEARED. AIRCRAFT OK FOR SERVICE.
Control Number
ASAA2023092845363
Discrepancy Date
9/28/23
Submission Date
9/29/23
Airline Name
ASAA
Registry Number
926AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6595
Discrepancy
OVERHEAD AMBER MAINT LIGHT ILLUMINATED AFTER TOUCHDOWN. GROUNDED - YES. FOLLOWED B737-9 IFIM TASK G71-00-00-810-938 AND IFIM TASK G71-00-00-810-836, INITIAL EVALUATION, ALL TEST GOOD. NO FURTHER DEFECTS.
Control Number
ASAA2023092845398
Discrepancy Date
9/28/23
Submission Date
10/2/23
Airline Name
ASAA
Registry Number
918AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
8994
Discrepancy
AMBER MAINT LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED B737-9 IFIM TASK 31-65-00-750-801 FOUND APU OIL QTY LOW. INTERROGATED MX CTL PAGE RESET MX LIGHT EXTINGUISHED AND STAYED EXTINGUISHED OIL QTY IS FULL. MX DATA PAGES SHOW QTY FULL NO LATCH MESSAGES. OK FOR SERVICE.
Control Number
ASAA2023092745341
Discrepancy Date
9/27/23
Submission Date
9/28/23
Airline Name
ASAA
Registry Number
969AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
923
Discrepancy
SPEED TRIM FAIL LIGHT ILLUMINATED ON RECALL. GROUNDED - YES. PERFORMED DFCS SPEED TRIM/STAB TRIM DISCRETE BITE TEST IAW AMM 22-11-00-740-815. ALL TESTS PASS NORMAL. NO 30 DAY HSTORY. A/C OK FOR SERVICE.
Control Number
ASAA2023092745339
Discrepancy Date
9/27/23
Submission Date
9/28/23
Airline Name
ASAA
Registry Number
964AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1813
Discrepancy
REF. TSR715026 MODERATE AMOUNT OF FUZZ FOUND ON #1 ENG. STARTER MAGNETIC PLUG. GROUNDED - YES. REF. AMM 79-00-00-220-801-G00 DETERMINED TO BE MODERATE AMOUNT OF FUZZ REF. AMM 80-11-09-200-801-G00 DETERMINED TO BE ABNORMAL CONDITION. PERFORMED ENG. #1 STARTER FLUSH AND FILL REF AMM 80-11-01. PERFORMED DRY MOTOR X 2 RECHECKED #1 ENG STARTER MAGNETIC PLUG WITH NORMAL CONDITIONS.
Control Number
ASAA2023092745361
Discrepancy Date
9/27/23
Submission Date
9/29/23
Airline Name
ASAA
Registry Number
961AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2220
Discrepancy
APU WOULD NOT START. APU "FAULT" LIGHT ILLUMINATED. GROUNDED - YES. (RESOLVED ON W/O: 1967194 TASKCARD: N/R-00002 ) ACCOMPLISHED IFIM 49-40-00-810-818. STARTED APU FOR SEVERAL TIMES, STARTED NORMAL. NO ACTIVE FAULTS, NO HISTORY PAST 90 DAYS. THIS CLEARS MEL 49-11-01. NO MAINT CONFIG CHANGE. PLACARDS REMOVED SEAMC DAVE NOTIFIED. SEE LOGPAGE 60911428 FOR MEL 49-99A C/N 28104961.
Control Number
ASAA2023092745392
Discrepancy Date
9/27/23
Submission Date
10/2/23
Airline Name
ASAA
Registry Number
915AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
8576
Discrepancy
LEFT FMC COMPUTER IS REBOOTING IN FLIGHT 3 HITS SO FAR. GROUNDED - YES. PER TSR REMOVED & REPLACED LEFT FMC COMPUTER AND VERIFIED & LOADED CURRENT SOFTWARES AND PERFORMED INSTALLATION TEST NORMAL B737-9 AMM 34-61-02/401.
Control Number
ASAA2023092645330
Discrepancy Date
9/26/23
Submission Date
9/27/23
Airline Name
ASAA
Registry Number
964AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1804
Discrepancy
FIRST OFFICER ND SHOWING MAP AND VTK FLAGGED. GROUNDED - YES. RESET BOTH FMC COMPUTERS REF B737-9 IFIM 34-61-00, FAULTS CLEARED.
Control Number
CALA2023092902916
Discrepancy Date
9/26/23
Submission Date
9/29/23
Airline Name
CALA
Registry Number
37555
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1887
Discrepancy
ENG ANTI-ICE COWL VALVE LIGHT IS ON. REMOVED AND REPLACED ENGINE AND WING THERMAL ANTI - ICE CONTROL PANEL P5-11 AND PERFORMED TEST REF MM 30-00-01-710-801 UP TO AND INCLUDING STEP 2G3 CONTINUE WITH STEP 2G4. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1820840 SN OFF 1729 MODULE, ENGINE/ OFF 42-3318-9-0003 1729 ON 42-3318-9-0003 1294 COMPLETED ENGINE AND WING THERMAL ANTI - ICE CONTROL PANEL P5-11 TEST REF MM 30-00-01-710-801. OPS CHECK GOOD TEST PASSED.
Control Number
ASAA2023092645333
Discrepancy Date
9/26/23
Submission Date
9/27/23
Airline Name
ASAA
Registry Number
954AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3200
Discrepancy
OVERHEAD MAINT LIGHT ILLUMINATED. GROUNDED - YES. OPS TEST CHANNEL B IGNITION SYSTEM, ENG #2 IGNITION TEST PASSED PER B737-9 AMM 71-00-00-730-805-G00.
Control Number
ASAA2023092645343
Discrepancy Date
9/26/23
Submission Date
9/28/23
Airline Name
ASAA
Registry Number
949AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3815
Discrepancy
L IGN INOP #1 ENG. GROUNDED - YES. (RESOLVED ON W/O: 1971196 TASKCARD: N/R-00001 ) FOUND MAINTENANCE MESSAGE 74-42491. ACCOMPLISHED IFIM TASK G74-00-00810-821. REMOVED AND REPLACED THE L/H IGNITER PLUG AND EXCITED. REF AMM 74-21-02 AND AMM 74-11-01. ALL OPS CHECK PASSED. PERFORMED TWO ENG STARTS ON THE L/H IGN. THIS CLEARS MEL 74-00-01A. PLACARDS REMOVED. SEAMC TODD NOTIFIED.
Control Number
ASAA2023092645348
Discrepancy Date
9/26/23
Submission Date
9/28/23
Airline Name
ASAA
Registry Number
948AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3874
Discrepancy
AFTER LANDING MAINTENANCE CAUTION ILLUMINATED. GROUNDED - YES. FOUND FAULT CODE 36-12020. COMPLIED WITH AMM 36-00-00-730-801 ALL FAULT INDICATIONS CLEARED. AIRCRAFT OK FOR SERVICE. SEAMC NOTIFIED.
Control Number
ASAA2023092645342
Discrepancy Date
9/26/23
Submission Date
9/28/23
Airline Name
ASAA
Registry Number
938AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5104
Discrepancy
LEFT ENGINE RAN SMOOTHLY & MADE APPROPRIATE POWER ON TAKEOFF/ CLIMB, BUT, N1,N2 & FUEL FLOW FLUCTUATED NOTICABLY DURING CLIMB( NOT SURE ABOUT FLUCTUATION ON TAKEOFF). GROUNDED - YES. PRESENT FAULT ON OBS 73-44632 FAN SPEED N1 SENSOR LOW TOOTH SIGNALIS INVALID IFIM G73-21-00-810-947 CALLS FOR PART POWER LEAK TEST REF AMM G71-00-00-710-801-G00. 76352 ACCOM.EEC TEST ENG #1 TEST PASS NO FAULTS RETURNED EEC TO NMC. REF IFIM 73-21-00-810-947 STEP B 1&2 . 80780 09\/26/2023PER TSR71503 4. REMOVED AND REPLACED N1 SPEED SENSOR IAW AMM 77-12-01. ACCOMPLISHED IDLE TEST. NOLEAK OR DEFECTS NOTED.
Control Number
ASAA2023092645345
Discrepancy Date
9/26/23
Submission Date
9/28/23
Airline Name
ASAA
Registry Number
933AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5968
Discrepancy
LEFT FWD WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. QRH PROCEDURE PERFORMED. OVERHEAT LIGHT EXTINGUISHED.
Control Number
ASAA2023092645325
Discrepancy Date
9/26/23
Submission Date
9/27/23
Airline Name
ASAA
Registry Number
973AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5975
Discrepancy
R VALVE LIGHT ILLUMINATED WITH WING HEAT SELECTED ON DURING APPROACH. GROUNDED - YES. REMOVED AND REPLACED R/H WING THERMAL ANTI-ICE VALVE, REF B737-9 AMM 30-11-11-000-801 AND AMM 30-11-11-400-801. BONDING CK GOOD PER AMM 30-11-11. PERFORMED OPS TEST OF WING THERMAL ANTI-ICE VALVE WITH APU. OPS TEST PASSED. REF AMM 30-11-11-710-801.
Control Number
ASAA2023092645340
Discrepancy Date
9/26/23
Submission Date
9/28/23
Airline Name
ASAA
Registry Number
928AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6308
Discrepancy
OVERHEAD "MAIN" LIGHT ILLUMINATED UPON LANDING/ROLLOUT. GROUNDED - YES. (RESOLVED ON W/O: 1970377 TASKCARD: N/R-00005 ) PERFORMED #1 ENGINE ODMS SENSOR INSPECTION REF AMM 79-00-00-210-804-G00. NO CONTAMINENTS FOUND. REPLACED ODMS SENSOR SEAL. RESET ODMS CHIP COUNT REF AMM 71-00-00-700-802-G00. TSR CLOSED. SEAMC ASAFAR NOTIFIED.
Control Number
ASAA2023092645331
Discrepancy Date
9/26/23
Submission Date
10/2/23
Airline Name
ASAA
Registry Number
932AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6492
Discrepancy
WHILE PERFORMING MTC 31-005-00 FOUND SMT MESSAGE. BLEED FAMV RVDT "R" FAULT CODE:361 452 42. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023092645327
Discrepancy Date
9/26/23
Submission Date
9/27/23
Airline Name
ASAA
Registry Number
913AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
9027
Discrepancy
"FMC DISAGREE" MESSAGE APPEARED DURING PREFLIGHT. GROUNDED - YES. PERFORMED RESET PROCEDURE PER QRH.
Control Number
ASAA2023092545292
Discrepancy Date
9/25/23
Submission Date
9/26/23
Airline Name
ASAA
Registry Number
984AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
829
Discrepancy
MAINT OVHD LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. PERFORMED FAULT ISOLATION AND MAINT LIGHT AND FAULT CLEARED PER B737-9 FIM TASK 21-61-00-810-841. ( FAULT MSG, TRIM AIR MOD VLV CONT CAB # 21610200.).
Control Number
ASAA2023092545329
Discrepancy Date
9/25/23
Submission Date
9/27/23
Airline Name
ASAA
Registry Number
968AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1246
Discrepancy
FMC DISAGREE ON GROUND. GROUNDED - YES. PERFORMED RESET PROCEDURE PER QRH 11.2.
Control Number
ASAA2023092545302
Discrepancy Date
9/25/23
Submission Date
9/26/23
Airline Name
ASAA
Registry Number
956AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2726
Discrepancy
WHILE PERF TC # 31-005-00 FOUND #1 ENG FAMV LEFT SIGNAL OUT OF RANGE MX MSG 36-12030. GROUNDED - YES. PERF LRU TEST FOR MX MSG 36-12030 IAW B737-9 AMM 36-00-00-710-801, REQ TEST PASSED, LATCHED FAULT REMOVED.
Control Number
ASAA2023092545307
Discrepancy Date
9/25/23
Submission Date
9/26/23
Airline Name
ASAA
Registry Number
936AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5047
Discrepancy
SPEED TRIM FAIL LIGHT ON MASTER CAUTION RECALL. GROUNDED - YES. PERFORMED B737-9 AMM TASK 22-11-00-740-815 OPS CK GOOD NOT DEFECTS NOTED A/C OK FOR SVC.
Control Number
ASAA2023092545328
Discrepancy Date
9/25/23
Submission Date
9/27/23
Airline Name
ASAA
Registry Number
915AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
8560
Discrepancy
DURING CRUISE FLT AT 340 VTK FLAG ON CAPT,S SIDE BOTH FMC DISPLAYS BLANKED AND THEN WENT TO MENU ON DISPLAYS VTK WENT AWAY AND BOTH FMC'S OPERATED NORMALLY AFTER. GROUNDED - YES. DFCS BITE SHOWS FMC #1 REBOOTED AT FL 340 ON LEG 3 AND AGAIN ON LEG 2 AT FL 350. MDS FAULTS CODE 34-69001 ON THE SAME LEGS. REVERSED MEL CONFIG. RESET FMC 1 & 2 REF B737-9 IFIM 34-61-00-810-836. OPS TEST GOOD. C/W FMS LRU REPLACEMENT TEST. OPS CHECK GOOD.
Control Number
ASAA2023092545326
Discrepancy Date
9/25/23
Submission Date
9/27/23
Airline Name
ASAA
Registry Number
915AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
8556
Discrepancy
LEVEL AT 350, ON THE CAPTAINS SIDE WE RECEIVED A VTK FLAG AND THE #1 AUTOPILOT REVERTED TO CWS. AFTER SELECTING HDG SEL, THE FLAG WENT AWAY AGAIN LEVEL 350 WE RECEIVED A VTK FLAG ON THE FO'S SIDE AND HIS DISPLAY SCREENS WENT BLANK FOR APROX 2 SECONDS FLAG WENT AWAY OPS NORMAL. GROUNDED - YES. PERFORMED BOTH FMC COMPUTERS RESET IAW B737-9 AMM 34-61-00 SYSTEM OPTS CHECK OK NO FLAGS DISPLAYED.
Control Number
CALA2023092702892
Discrepancy Date
9/25/23
Submission Date
9/27/23
Airline Name
CALA
Registry Number
37507
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
10580
Discrepancy
ANTI SKID INOP AFTER TO IN DEN CONTACT TOMC UNLOCKING PERFORMED AACU BITE TEST REF AMM 32-42-00-740-801, FOUND MSGS PWR 2-3, PARKBRK, BOX 4, #THR SW IN MEMORY RECALL TEST (FAULT HISTORY). PERFORMED ANTISKID/AUTOBRAKE CONTROL TEST FOR EACH FAULT HISTORY MSGS FOUND THAT STORED MSGS ARE INTERMITTENT, ADD EMP:U333195,U242568 OTHER MSGS FOUND PWR AB, PRESL, PRESR AFTER PERFORMING ANTISKID/AUTO BRAKE CONTROL TEST . AS PRECAUTIONARY TECH SUPPORT SUGGESTS REMOVE AND REPLACE AACU (M162) REF AMM32-42-21/401. PARTS ADDED INSTALLED TRACKING TAG NUMBER 1829761 . SERIAL NUMBER 1463 CONTROL, AUTOBR OFF 42-3242-9-0001 9360 ON 0000 CONTROL, AUTOBR OFF 42-3242-9-0001 9360 ON 42-3242-9-0001 1463 REMOVED AND REPLACED ANTISKID/ AUTOBRAKE CONTROL UNIT REF 32-42-21/401 ALSO PERFORMED ANTISKID/AUTOBRAKE CONTROL UNIT OPERATIONAL TEST AND BITE CONTROL UNIT REF AMM 32-42-00-720-801 AND 32-42-00-740-801. ALL WORK NORMAL. NO FAULT.
Control Number
ASAA2023092445301
Discrepancy Date
9/24/23
Submission Date
9/26/23
Airline Name
ASAA
Registry Number
948AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3849
Discrepancy
AFTER LANDING, OVERHEAD "MAINT" LIGHT ILLUMINATED. SYSTEM STATUS MESSAGE READS " BLEED FAMV L". GROUNDED - YES. INTERAGATED OMF FOUND 2 MX MSG'S 36-12020 & 36-21020. ACCOMPLISHED IFIM 36-12-00-810-801 ENG 1 BLEED AIR SYS. PASSED ALL FAULTS CLEARED, MX LIGHT OUT. A/C OK FOR SVC. SEAMC NOTIFIED. STS LM Q6TR841X.
Control Number
ASAA2023092445294
Discrepancy Date
9/24/23
Submission Date
9/26/23
Airline Name
ASAA
Registry Number
948AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3853
Discrepancy
ON PREFLIGHT FOUND THE SOURCE OFF WITH APU SELECTED ON LEFT / #1. GROUNDED - YES. REMOVED AND REPLACED AUXILIARY POWER BREAKER C803- P91 AND PERFORMED GOOD TEST OF THE AUXILIARY POWER BREAKER AS PER AMM 24-21-41/401.
Control Number
ASAA2023092445257
Discrepancy Date
9/24/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
977AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4881
Discrepancy
#2 ENGINE HIGH PRESSURE SHUTOFF VALVE LOCKOUT INOP (HEILCOIL DAMAGE). GROUNDED - YES. CW EA MAX-36EA-25932 MAX HIGH PRESSURE SHUTOFF VALVE MANUAL LOCK HELICOIL INSERT INSHOP REPAIR. OK FOR SERVICE.
Control Number
ASAA2023092445241
Discrepancy Date
9/24/23
Submission Date
9/27/23
Airline Name
ASAA
Registry Number
936AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5039
Discrepancy
STARTING ENG 2, NO IGN ON "IGN L". GROUNDED - YES. (RESOLVED ON W/O: 1967156 TASKCARD: N/R-00001 ) FOUND FAULT CODE 74-42493 IN HISTORY WITH NO CORRELATED FAULTS. TROUBLESHOT PER IFIM G74-00-00-810-823 FAUL WAS NOT ACTIVE OR LATCHED INSPECTED LEFT IGNITER REF AMM 74-21-02 FOUND HOLES ON FIRING TIE REMOVED AND REPLACED LEFT IGNITOR PLUG REF AMM 74-21-02 ALL OPS CHECKS GOOD SEAMC WILL NOTIFIED THIS CLEARS MEL 74-00-01A. PLACARDS REMOVED. SEAMC WILL NOTIFIED. 3 MIG 51A'S INSTALLED AND REMOVED.
Control Number
ASAA2023092445256
Discrepancy Date
9/24/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
934AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5988
Discrepancy
MAINT LIGHT ILLUM. ON O/H PANEL. GROUNDED - YES. FOUND MAINTENANCE MESSAGE 73-45031 THE OMF SHOWS NOT ACTIVE CONSIDERED INTERMITTENT FAULT ERASED MESSAGE VERIFIED NO MAINTENACE LIGHT OR ACTIVE MESSAGE AS PER B737-9 IFIM TASK G73-00-00-810-A78.
Control Number
ASAA2023092445262
Discrepancy Date
9/24/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
931AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6558
Discrepancy
APU HAD FLUCTUATING BLEED AIR PRESSURE DROPPED TO 0 TWICE STABILIZED AFTER 3 MINUTES. GROUNDED - YES. APU DUCT PRESSURE WITHIN LIMITS AND STABLE REF B737-9 AMM 36-00-00. OK FOR SERVICE.
Control Number
ASAA2023092445303
Discrepancy Date
9/24/23
Submission Date
9/28/23
Airline Name
ASAA
Registry Number
931AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6568
Discrepancy
APU BLEED DUAL PRESSURE FLUCTUATES BETWEEN 0 AND 40PACK SELECTION LEFT RIGHT OR BOTH MAKE NO DIFFERENCE. GROUNDED - YES. (RESOLVED ON W/O: 1971307 TASKCARD: N/R-00001 ) ACCOMPLISHED IFIM TASK 749-52-00-810-811. AND FOUND SOME DEBRIS ON TOTAL PRESSOR SENSOR IN STEP (10)(B). REMOVED, CLEANED AND REINSTALLED TOTAL PRESSOR SENSOR IAW AMM 49-52-32. AND BLEW OUT THE TOTAL PRESSURE AND DIFFERENCIAL PRESSURE LINE. AND REINSTALLED DELTA PRESSURE SENSOR IAW AMM 49-52-33. PERFORMED NORMAL APU STARTING AND OPERATION IAW AMM 49-11-00-860-801. AND BLEED SUPPLIED. NO DEFECTS NOTED AT THIS TIME. THIS RELEASES A/C FROM MEL 49-52-01A. PLACARD REMOVED. SEAMC MITCH NOTIFIED.
Control Number
ASAA2023092445289
Discrepancy Date
9/24/23
Submission Date
9/28/23
Airline Name
ASAA
Registry Number
913AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
9015
Discrepancy
FOUND LATCHED MESSAGE IN UNSCHEDULED MAINT,BLEED PM SENSOR 1R, FAULT CODE 361 453 42MESSAGE 36-21021. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023092345263
Discrepancy Date
9/23/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
960AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2271
Discrepancy
FOUND #2 ENG BLEED FAMV RVDT SIGNAL IS OUT OF RANGE LATCH MESSAGE 36-12031. GROUNDED - YES. C/W #2 ENG FAMV FAULT ISOLATION PER FIM 36-12-00-801-804. LRU TEST PASSED AND MESSAGE CLEARED. NO OTHER DEFECT NOTED.
Control Number
ASAA2023092345274
Discrepancy Date
9/23/23
Submission Date
9/27/23
Airline Name
ASAA
Registry Number
928AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6274
Discrepancy
HF 1 INOP AND NO SELCAL PRIOR TO EEP. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023092345254
Discrepancy Date
9/23/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
931AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6556
Discrepancy
APU FAULT ON 2 START ATTEMPTS. GROUNDED - YES. INTEROGATED SYSTEM FOUND MX MESSAGES 49.4142 & WHEN START ATTEMPTED NEW MX MSG 49.41254. Y 30507ACCOMPLISHED IFIM TASK 49-40-00-810-805 BOTH MX MESSAGES NOT ACTIVE AND APU STARTED SUCCESSFULLY. REF LP 60911282 FOR ADMINISTRATIVE DEFERRAL.
Control Number
ASAA2023092345278
Discrepancy Date
9/23/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
920AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
7453
Discrepancy
#1 ENGINE RIGHT IDG AIR OIL HEAT EXCHANGER BENT FINS. GROUNDED - YES. FOUND 3 BENT FINS ON #1 ENG RIGHT IDG AIR OIL HEAT EXCHANGER. BENT THE 3 FINS BACK TO WITHIN LIMITS IAW AMM 24-11-13-210-801 G(1)(C)5)B). NO OTHER DAMAGE NOTED.
Control Number
ASAA2023092345255
Discrepancy Date
9/23/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
921AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
7392
Discrepancy
MAINT LIGHT ILLUMINATED. GROUNDED - YES. MDS STATUS INDICATES APU OIL QUANTITY. OMF INDICATES 49-94304. PER IFIM 49-94304, LATCHED MESSAGE ERASED AND DOES NOT RE-POPULATE DURING APU OPERATION AND ECU RESTART. INSPECTED OIL QUANTITY, FINDING WITHIN LIMITS (OIL SERVICED ON L/P 60441292). ETOPS GROUND VERIFICATION SUCCESSFUL, SEAMC NOTIFIED.
Control Number
ASAA2023092245276
Discrepancy Date
9/22/23
Submission Date
9/26/23
Airline Name
ASAA
Registry Number
960AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2263
Discrepancy
#2 IDG DRIVE LIGHT NOT ILLUMINATED WITH ENGINE NOT RUNNING WORKS WITH LIGHT TEST. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023092245243
Discrepancy Date
9/22/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
954AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3150
Discrepancy
MAINT LIGHT ILLUMINATED ON LANDING. GROUNDED - YES. CLEARED "ENG 2 IGNITER R" MSG PER G74-20-00-810-804 IFIM TASK. NO FURTHER STATUS MSG NOTED. CLEARED MAINT LIGHT.
Control Number
ASAA2023092245267
Discrepancy Date
9/22/23
Submission Date
9/26/23
Airline Name
ASAA
Registry Number
977AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4869
Discrepancy
F/C APPROACH SURVEY AUTOLAND NOT SUCCESSFUL. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023092245239
Discrepancy Date
9/22/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
934AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5970
Discrepancy
MAINT MSG 80-43511 "STARTER AIR VALVE (SAV) IS FAILED OPEN" SHOWS INACTIVE. GROUNDED - YES. REF. IFIM G80-00-00-810-833 SAV FAILED ACTUATOR TEST. REMOVED AND REPLACED #1 ENG SAV REF. AMM 80-11-02 LEAK CHECK, OPS CHECK GOOD. SEAMC DAVE NOTIFIED FOR GROUND VERIFICATION PASS.
Control Number
ASAA2023092145227
Discrepancy Date
9/21/23
Submission Date
9/22/23
Airline Name
ASAA
Registry Number
990AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
72
Discrepancy
UPON ARRIVAL TO AIRCRAFT FOUND AMBER "AUTO FAIL" AND GREEN "ALTN" LIGHTS ILLUMINATED ON PRESSURIZATION PANEL, SELECTOR SWITCH IN AUTO. GROUNDED - YES. NO 30 DAY HISTORY, RESET CABIN PRESSURE CONTROL PNL AND BITE TEST OF BOTH PRESSURE CONTROLLERS - NO FAULTS. REF IFIM TASK 21-31-00-810-850.
Control Number
ASAA2023092145230
Discrepancy Date
9/21/23
Submission Date
9/22/23
Airline Name
ASAA
Registry Number
917AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
666
Discrepancy
WHILE ACCOMPLISHING TASK CARD 22-ASA-01, FOUND FAULT 22-11191 MT CMD MON DURING THE DUAL TEST 60.35. FCC-A. GROUNDED - YES. SWAPPED FCC'S AND THE DISCREPANCY FOLLOWED TO CHANNEL B. PLACED FCC-B BACK INTO ITS ORIGINAL POSITION AND REPLACED FCC-A REF MM 22-11-33/401. ALL TESTS NOW NORMAL.
Control Number
ASAA2023092145234
Discrepancy Date
9/21/23
Submission Date
9/22/23
Airline Name
ASAA
Registry Number
964AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1747
Discrepancy
CAPT AND FO ND DISPLAY SHOWS AMBER WXR FAIL AND PWS FAIL. GROUNDED - YES. PERFORMED OPS CHECK OF WEATHER RADAR SYSTEM AFTER POWER CYCLE IN REFERENCE WITH AMM 34-41-00-710-801, OPS TEST GOOD.
Control Number
ASAA2023092145231
Discrepancy Date
9/21/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
978AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4776
Discrepancy
ABORTED #1 ENG START. NEGATIVE LIGHT OFF. GROUNDED - YES. (RESOLVED ON W/O: 1968805 TASKCARD: N/R-00014 ) REVERSED MEL CONFIGURATION CHANGES. ACCOMPLISHED IFIM G74-00-00-810-839 AND EEC CHANNEL A IGNITION SYSTEM TEST PPER AMM G71-00-00-730-804-G00. TEST PASSED. ERASED LATCHED MESSAGE IN OMF. STARTED #1 ENGINE ON L AND R IGNITION. ENGINE STARTED NORMALLY. CLEAR MEL CN 21062978.
Control Number
ASAA2023092145264
Discrepancy Date
9/21/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
920AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
7450
Discrepancy
WHILE T/S LP 60683921, FOUND HPSOV CONTACTING R/H T/R BLANKET. GROUNDED - YES. REMOVED THE #1 ENG HPSOV, REF AMM 36-11-07-000-801. J RAMIREZ 48859 09/21/2023. INSTALLED THE #1 ENG HPSOV, REF AMM 36-11-07-400-801 UP TO STEP H(1). OPS CHECK AND LEAK CHECK STILL REQUIRED J RAMIREZ 48859 09/21/2023. OPS CHECK AND LEAK CHECK GOOD IAW AMM 36-11-07-400-80 H(3),(4)(5).
Control Number
ASAA2023092145253
Discrepancy Date
9/21/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
920AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
7450
Discrepancy
AFTER ENGINE START AND BEGING OF TAXI #1 ENGINE CONTROL ILLUMINATED. AFTER FOLLOWING THE CHECKLIST THAT HAD NO ACTION ITEMS THE LIGHT HAD EXTINGUISHED AND DID NOT COME UP AGAIN ON RECALL PER MAINTENANCE CONTROL RETURNED TO THE GATE. GROUNDED - YES. STATUS DISPLAYS ENGINE 1 CONTROL EXISTING FUALT LOGGED 71-09001 REF IFIM TASK G71-00-00-810-836, AMM 46-13-02. PERFORMED IFIM TASK G71-00-00-810-836, AFTER SETTING EEC MAINT ENG 1 TO TEST FAULT CODE 71-09001 DOES NOT SHOW. PERFORMED PRESENT LEG FAULT CHECK AND FOUND #1 ENG FAULT CODE 77-43022. CONTINUED WOTH IFIM G77-12-00-810-806, FOUND N1 SENSOR CH B RESISTANCE OUT OF LIMITS HIGH. WIRING CHECK BETWEEN EEC B AND N1 SENSOR DP510B SATISFACTORY. REQUIRES N1 SPEED SENSOR. REMOVED AND REPLACED #1 ENG N1 SPEED SENSOR REF AMM 77-12-01-400-801 STEPS (3)H-I,1) REQUIRES OPS CHECK. N1 SPEED SENSOR OPS CHECKS GOOD IAW AMM 71-00-00-800-804-G00.
Control Number
ASAA2023092145266
Discrepancy Date
9/21/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
920AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
7450
Discrepancy
WHILE T/S L/P 60683921 FOUND HPSOV CONNECTOR DP202 CONTACTING R/H T/R BLANKET. GROUNDED - YES. CONNECTOR DP202 DAMAGE BEYOND LIMIT. INIT MIG-2C #40-0054749 & 40-0054750. REMOVED AND REPLACED W200 HARNESS REF AMM 36-11-02/401 REF MIG-2C S/N 40-0054749 & 40-0054750 FOR ADDITIONAL WORK AC COMPLISHED. OP TESTS REQUIRED. OP CK'S GOOD REF MM 26-11-00. ALL MIG-2C ITEMS CLOSED.
Control Number
ASAA2023092145258
Discrepancy Date
9/21/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
913AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
8966
Discrepancy
WHILE ACCOMPLISHING T/C 31-005-00, FOUND SMT BLEED PM SENSOR 1R MX MSG 36-21021 ENGINE 2 MANIFOLD DUCT PRESSURE SENSOR 1 SIGNAL IS OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023092045215
Discrepancy Date
9/20/23
Submission Date
9/21/23
Airline Name
ASAA
Registry Number
954AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3134
Discrepancy
WHILE ACCOMPLISHING T/C 05-020-01 DISCOVERED SMT MESSAGE ENG 2 EEC C1. GROUNDED - YES. ACCOMPLISHED IFIM G73-20-00-810-856. NO DEFECTES NOTED. DETERMINED TO BE INTERMITTENT FAULT.
Control Number
ASAA2023092045216
Discrepancy Date
9/20/23
Submission Date
9/21/23
Airline Name
ASAA
Registry Number
954AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3134
Discrepancy
WHILE ACCOMPLISHING T/C 05-020-01 DISCOVERED SMT MESSAGE ENG 1 EEC C2. GROUNDED - YES. ACCOMPLISHED IFIM G73-20-00-810-803. NO DEFECTES NOTED. DETERMINED TO BE INTERMITTENT FAULT.
Control Number
ASAA2023092045232
Discrepancy Date
9/20/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
936AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4993
Discrepancy
WHILE STARTING #2, NO LIGHT OFF AFTER 3 ATTEMPTS IGN L. GROUNDED - YES. (RESOLVED ON W/O: 1970426 TASKCARD: N/R-00001 ) FOUND FAULT CODE 74-42493 IN HISTORY WITH NO CORRELATED FAULTS. TROUBLE SHOT PER IFIM974-00-00-810-823 FAULT WAS NOT ACTIVE OR LATCHED. PERFORMED EEC CHANNEL A IGNITION TEST REF AMM 71-00-00. TEST GOOD SEAMC DAVE NOTIFIED. PER IFIM FAULT WAS INTERMITTENT. THIS CLEARS MEL 74-00-01A PLACARDS REMOVED SEAMC NOTIFIED. TWO MIG 51A'S INSTALLED AND REMOVED.
Control Number
ASAA2023092045233
Discrepancy Date
9/20/23
Submission Date
9/25/23
Airline Name
ASAA
Registry Number
972AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6119
Discrepancy
M-50 MATERIAL FOUND IN #2 ENG OIL SAMPLE.*DO NOT OPERATE #2 ENGINE UNTIL AOG ENGINEERING GIVES OK*. GROUNDED - YES. ON DEFERRAL..... REF TSR714998....FOUND MAINT MSG 79-42885 FOR ENG NO. 2 OIL FILTER APPROACHING BYPASS -ACTIVE. IFIM TASK G79-21-00-810-812. ODMS SENSOR INSPECTED FOUND CONTAMINATION OF THE MAGNETIC VARIETY. SAMPLE RETAINED FOR AOG ENG/TECH SERVICES REF AMM 79-21-12. ODMS SENSOR REINSTALLED REQUIRES AMM 71-00-00 TESTS 4, 17, & 26. REMOVED AND REPLACED OIL FILTER CARTRIDGE ELEMENT REF AMM 79-21-07. CONTAMINATION FOUND IN PLEATS. ELEMENT RETAINED FOR FORWARDING TO AOG ENG/TECH SERVICES. REQUIRES TES 4 AMM 71-00-00. ENG OIL SYSTEM WEAR METAL CONTAMINATION INSPECTION OIL SAMPLE COLLECTED FOR AOG ENG/TECH SERVICES REF AMM 79-00-00. MAG STARTER PLUG INSPECTION COMPLIED WITH WITH NO CONTAMINATION NOTED REF AMM 80-11-09. PERFORMED ENGINE 2 OIL SYSTEM FLUIDS AND SOLIDS CONTAMINATION DETAILED INSPECTION REF AMM 79-00-00-211-801-G00 OIL SAMPLE SENT FOR EXAMINATION. OIL TUBE DRAIN PLUG PACKING REUSED AND REQUIRES REPLACEMENT. PERFORMED ENGINE 2 SCAVENGE SCREEN PLUGS INSPECTION REF AMM 79-21-04 NO CONTAMINATION NOTED. REQUIRES AMM 71-00-00 TEST 4. REMOVED AND REINSTALLED OIL TUBE DARIN PLUG WITH NEW PACKING REF AMM 79-00-00. S. ATKINSON 40029. ACCOMPLISHED OMS CHIP COUNT RESET, TEST 26 REF AMM 71-00-00. PERFORMED AMM 71-00-00 TESTS 4, 5 AND 17. LEAK CHKS GOOD. NO MAINTENANCE MESSAGES.

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