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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
ASAA2023062643776
Discrepancy Date
6/26/23
Submission Date
6/28/23
Airline Name
ASAA
Registry Number
975AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4529
Discrepancy
SINGLE CHANNEL SPEED TRIM FAIL ANNUNCIATION W/ RECALL @ 34,000 FT. GROUNDED - YES. PERFORMED IFIM 22-11-00-740-874 AND TASK 22-11-00-810 MAINT LIGHT EXTINGUISHED NO 30 DAYS HISTORY.
Control Number
ASAA2023062643684
Discrepancy Date
6/26/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
931AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5475
Discrepancy
TECH SERVICES REQUEST FOR FOLLOW-UP TO MTX LIGHT & FAULT(#1 LEFT FAMV FAULT 36-12020 #1(LH) FAMV IS NOT IN COMMANDED POSITION)----(#PRI1)----ETOPS SIGNIFICANT SYSTEM----. GROUNDED - YES. REMOVED AND REPLACED THE #1 L/H FAMV. ALL OPS CHECKS PASSED. REF AMM 36-12-03. THIS CLEARS THE TSR.
Control Number
ASAA2023062643766
Discrepancy Date
6/26/23
Submission Date
6/28/23
Airline Name
ASAA
Registry Number
952AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2781
Discrepancy
"MAINT" LIGHT ON LANDING ROLLOUT. GROUNDED - YES. OMF SHOWS 2 STATUS MESSAGES: ENG 1 REVERSER AND ENG1 CONTROL. RAN IFIM TASKS 678-20-00-810-857 AND 678-30-00-810-810. RESET AND TEST OF BOTH SYS OK.ERASED LATCHED MESSAGE. NO CORROLATED FAULTS.SEAMC PHIL NOTIFIEDTSAR174M.
Control Number
ASAA2023062643775
Discrepancy Date
6/26/23
Submission Date
6/28/23
Airline Name
ASAA
Registry Number
977AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3756
Discrepancy
#1 ENGINE IS ALERTING FOR OIL FILTER DELTA PRESSURE INCREASE AND APPROACHING OIL FILTER BYPASS INDICATION. (#PRI1) CNR 20230626065DO NOT EXTEND. GROUNDED - YES. ACCOMPLISHED TSR STEPS 1 THRU 4.NO OMF MX MSG NOTED, NO DEFECTS OR CONTAMINATIONS NOTED ON OIL FILTER CARTRIDGEINSTALLED NEW OIL FILTER CARTRIDGE REF MM 79-21-07.
Control Number
ASAA2023062643765
Discrepancy Date
6/26/23
Submission Date
6/28/23
Airline Name
ASAA
Registry Number
937AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4262
Discrepancy
AFTER NUMBER 1 ENGINE WAS STARTED, THE START VALVE OPEN LIGHT STAYED ILLUMINATED. GROUNDED - YES. ENGINE RUN PERFORMED BY THE FLIGHT CREW IAW AMM 71-00-00-910-803-G00. ENGINE #1 STARTS NORMAL ALL PARS GOOD ENG 1 VALVE ILLUMINATED AND EXTINGUISHED AND STAYED EXTINGUISHED DURING START PROCESS. AIRCRAFT OK FOR SERVICEJETT-PRO YUJR093Y.
Control Number
ASAA2023062643764
Discrepancy Date
6/26/23
Submission Date
6/28/23
Airline Name
ASAA
Registry Number
974AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4585
Discrepancy
APU FAULT LIGHT ON TAXI IN APU START UP, ONLY ONE ATTEMPT. GROUNDED - YES. PERFORMED APU BITE TEST PER IFIM TASK 49-40-00-810-805. INTERMITTENT FAULT, NO OTHER DEFECTS NOTED OPS CHECK GOOD, NO DEFECTS NOTED.
Control Number
ASAA2023062543674
Discrepancy Date
6/25/23
Submission Date
6/29/23
Airline Name
ASAA
Registry Number
933AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4805
Discrepancy
DURING SCHEDULED MAINT TASK CARD FOUND SMT MESSAGE "BLEED FAMV RVDT R". GROUNDED - YES. ON DEFERRAL.
Control Number
CALA2023062802043
Discrepancy Date
6/25/23
Submission Date
6/28/23
Airline Name
CALA
Registry Number
37535
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3272
Discrepancy
EQUIP SMOKE LIGHT IS ON RAN QRH MESSAGE STAYED ON J23 JUNCTION BOX SDR FLAGGED FOR AIR RETURN. ACCOMPLISHED CONTINUITY CHECKS AND MEGGERED WIRING FROM SMOKE MONITORED LIGHT WHILE SHAKING ALL ACCESSABLE WIRING AT SMOKE RANG WIRE FROM CONNECTOR D40776P PIN 22 TO RELAY RECEPTICLE REMOVED THE UPPER SHELF OF THE J23 JUNCTON BOX IN REFERENCE TO REPLACED DIODE R1145 AND DIODE R1146 (PRECUATIONARY) IN REPLACED TERMINAL BLOCK TB98DY POSITIONS 9-12 AND AND TERMINAL PER HISTORY EQUIPMENT COOLING SMOKE ON TIME DELAY RELAY R1149 NORMAL OPERATION WHEN EQUIPMENT SMOKE LIGHT COMES ON IS BOTH DETECTOR CONNECTORS D15644 AND D15642 TO J23 JUNCTION BOX DETECTORS AND J23 BOX, BUT LIGHT DID NOT COME ON OR FLICKER. 14057 PIN 2 WIRE RAMG GOOD .6 OHMS RANG WIRE FROM CONNECTOR B737 IPC 50-50-52-05 INSPECTED WIRE UNDLES RELAY SOCKETS AND REFERENCE TO B737 WDM 26-19-11 PAGE 1. PARTS USED: BLOCK TB99DY POSITIONS 13-16 (PRECUATIONARY) IN REFERENCE TO HAS NOT BEEN REPLACED YET REPLACED RELAY R1149 (PRECAUTIONARY) PACKS AUTOMATICALLY GO TO HIGH AND RECIRCULATION FANS GO TO OFF CONNECTOR D40776 REF WDM 26-19-11-1 ALL WIRING CHECKED GOOD. D40776P PIN 9 TO RELAY RECEPTICLE 14057 PIN 6 WIRE RANG GOOD .6 CONNECTORS FOUND NO OBVIOUS DEFFECTS 29-7831-3-0167,QTY :1 B737 WDM 26-19-11 PAGE 1. PARTS USED: 00-0363-3-0652,QTY :1 IN REFERENCE TO B737 WDM 26-19-11 PAGE 1. PARTS USED: ACMS DATA SHOWS THE PACKS GOING TO HIGH AS SOON AS THE EQUIPMENT OHMS REFERENCE B737 WDM 26-19-11 PAGE 1 76-2553-3-0255,QTY :1 SMOKE LIGH
Control Number
ASAA2023062543689
Discrepancy Date
6/25/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
962AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
843
Discrepancy
ON PREFLIGHT FOUND "TEMP CONT VALVE CLOSE RIGHT" BREAKER POPPED. GROUNDED - YES. PERFORMED C/B INSP. RESET PER B737-9 AMM 20-60-01-850-801. C/B STAY IN NOTED. R/H PACK TEMP CTRL VLV IS ON MEL, PERFORMED MEL OPS PROCEDURE FUNCTION CK NORMAL.
Control Number
ASAA2023062543755
Discrepancy Date
6/25/23
Submission Date
6/28/23
Airline Name
ASAA
Registry Number
946AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2696
Discrepancy
#2 GEN DRIVE WILL INTERMITTANTLY NOT ILLUMINATE WITH ENGINE OFF(PRI 2). GROUNDED - YES. REF IFIM TASK 24-11-00-810-804 PERFORMED GCU BITE TEST, BITE TEST PASSED.PERFORMED WIRE CHECK BETWEEN PIN-61 OF CONNECTOR D10892A AND PIN-16 OF CONNECTOR D636 WIRE TEST GOOD. PERFORMED WIRE CHECK BETWEEN PINS-27,15 OF CONNECTOR D10892B AND PINS-5,6 OF CONNECTOR P103 WIRE TEST GOOD. RECOMMEND REPLACING #2 ENG IDG. THIS CLEARS TSR714570
Control Number
ASAA2023062543741
Discrepancy Date
6/25/23
Submission Date
6/29/23
Airline Name
ASAA
Registry Number
979AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3654
Discrepancy
TWO APU FAULTS ON SEQUENTIAL STARTS. DID NOT TRY A THIRD ATTEMPT. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023062543713
Discrepancy Date
6/25/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
938AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3995
Discrepancy
FOUND OIL FILTER INDICATOR ON APU LUB MODULE OUT. GROUNDED - YES. REPLACED FILTER, REF INDICATOR. REF B737-9 AMM 49-91-12 LK CHECK GOOD.
Control Number
ASAA2023062543675
Discrepancy Date
6/25/23
Submission Date
6/29/23
Airline Name
ASAA
Registry Number
933AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4805
Discrepancy
DURING SCHEDULED MAINT TASK CARD 05-020-01, FOUND SMT MESSAGE "ENG 1 EEC C1". GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023062443714
Discrepancy Date
6/24/23
Submission Date
6/28/23
Airline Name
ASAA
Registry Number
946AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2675
Discrepancy
ENG #2 DRIVE LIGHT DID NOT ILLUMINATE EXCEPT IN TEST. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023062443809
Discrepancy Date
6/24/23
Submission Date
6/30/23
Airline Name
ASAA
Registry Number
978AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3712
Discrepancy
GE DIAGNOSTICS REPORTS #2 ENGINE TREND DATA SHOWS EXCESS COKING OF THE FUEL NOZZLE MAIN ORIFICES. (FULL SET FUEL NOZZLE REPLACEMENT) NO EXTENSION ALLOWED (150 CYCLES). GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023062443768
Discrepancy Date
6/24/23
Submission Date
6/28/23
Airline Name
ASAA
Registry Number
975AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4503
Discrepancy
SMT MESSAGE, ENG 1 EEC C2. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023062443767
Discrepancy Date
6/24/23
Submission Date
6/28/23
Airline Name
ASAA
Registry Number
975AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4503
Discrepancy
SMT MESSAGE, ENG 2 EEC C2. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023062443720
Discrepancy Date
6/24/23
Submission Date
6/28/23
Airline Name
ASAA
Registry Number
932AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5436
Discrepancy
WHILE ACCOMPLISHING #1 ENG COMBUSTION CHAMBER BORO FOUND BURN THROUGH HOLE APPROX .056 SQUARE INCHES ON DEFLECTOR PLATE. IMAGES AND VIDEO UPLOADED TO INSPECTION SEVER. POWER PLANT ENGINEERING CONATACTED. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023062443721
Discrepancy Date
6/24/23
Submission Date
6/28/23
Airline Name
ASAA
Registry Number
932AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5436
Discrepancy
FOUND CRACK IN DEFLECTION PLATE OF #1 ENG COMBUSTION CHAMBER. IMAGE UPLOADED TO INSPECTION SERVER. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023062443779
Discrepancy Date
6/24/23
Submission Date
6/28/23
Airline Name
ASAA
Registry Number
932AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5438
Discrepancy
FOUND MULTIPLE LOCATIONS OF #1 ENG STAGE 1 HPT SHROUD WEAR EXPOSING BASE METAL. VIDEO UPLOADED TO INSPECTION SERVER. POWERPLANT ENGINEERING NOTIFIED. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023062343711
Discrepancy Date
6/23/23
Submission Date
6/27/23
Airline Name
ASAA
Registry Number
963AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
690
Discrepancy
TECH SERVICES REQUEST FOR FOLLOW-UP TO SMT FAULT(LEFT FAMV FAULT 36-12030 RVDT SIGNAL IS OUT OF RANGE)----(#PRI2)----ETOPS SIGNIFICANT SYSTEM----. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE F.A.M.U. REF AMM 36-12-03.
Control Number
ASAA2023062343724
Discrepancy Date
6/23/23
Submission Date
6/27/23
Airline Name
ASAA
Registry Number
961AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1049
Discrepancy
MAINT LIGHT ON OVERHEAD PANEL ILLUMINATED. GROUNDED - YES. MDS STATUS INDICATES ENG 1 FAN COMP OVHT SENSOR, ENG 1 CONTROL, AND ENG 1 REVERSER. REF. IFIM G73-20-00-810-857, G78-30-00-810-810, AND G73-20-00-810-869: MESSAGES PRESENT DUE TO EEC POWER LEFT IN TEST. SELECTED EEC POWER TO NORM. ALL MESSAGES INDICATE "NOT ACTIVE". LATCHED STATUS MESSAGES ERASED AND DO NO REPOPULATE. IFIM REPAIR CONFIRMATIONS SUCCESSFUL. ETOPS GROUND VERIFICATION SUCCESSFUL.
Control Number
ASAA2023062343722
Discrepancy Date
6/23/23
Submission Date
6/27/23
Airline Name
ASAA
Registry Number
948AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2795
Discrepancy
WHILE ACCOMPLISHING T/C 05-020-01 DISCOVERED (SMT) MESSAGE ENG 2 EEC C2. GROUNDED - YES. ACCOMPLISHED IFIM TASK G73-10-00-810-804. NO COORELATED MSG'S FOUND. IDLE SYSTEM TEST GOOD. SMT MESSAGE ERASED.
Control Number
ASAA2023062343692
Discrepancy Date
6/23/23
Submission Date
6/27/23
Airline Name
ASAA
Registry Number
948AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2795
Discrepancy
SOURCE OFF LIGHT ON GEN 1 SIDE WHEN TRANSFERRING FROM GROUND POWER TO APU GEN. GROUNDED - YES. OMF SHOWS NO FAULTS, GCU & BPCU NO FAULTS, ELECTRICAL PANEL MODULE TEST NO FAULTS AMM 46-13-00, AMM 24-21-00, AMM 24-41-00, AMM 24-31-00, CYCLED A/C POWER WITH NO FIX AMM 24-41-00, TRIED NEW GCU #1 & BPCU NO FIX, RE-INSTALLED BOTH LRUS AMM 24-21-81/401 & AMM 24-41-21/401, ALSO ACCOMPLISHED IFIM 24-21-00-810-809, REPLACED NEW AC SYSTEM GENERATOR & APU MODULE & PERFORMED INSTALLATION TEST GOOD AMM 24-21-51/401.
Control Number
ASAA2023062343723
Discrepancy Date
6/23/23
Submission Date
6/27/23
Airline Name
ASAA
Registry Number
948AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2795
Discrepancy
WHILE ACCOMPLISHING T/C 05-020-01, DISCOVERED (SMT) MESSAGE ENG 1 EEC C2. GROUNDED - YES. ACCOMPLISHED IFIM TASK G73-10-00-810-803. NO COORELATED MSG'S FOUND. ENG. IDLE SYSTEM TEST GOOD. ERASED SMT MESSAGE.
Control Number
ASAA2023062243670
Discrepancy Date
6/22/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
956AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1626
Discrepancy
SPEED TRIM FAIL ILLUMINATED DURING DESCENT WITH MASTER CAUTION RECALL. EXTINGUISHED WHEN MASTER CAUTION WAS RESET. GROUNDED - YES. ACCOMPLISHED IFIN, TASK 22-11-00: DFCS BITE CHECK PER AMM 22-11-00, BOTH CHANNELS A&B PASSED TEST. SPEED TRIM FAIL LIGHT REMAINS EXTINGUISHED DURING MASTER CAUTION RECALL A/C OK FOR SERVICE.
Control Number
ASAA2023062243703
Discrepancy Date
6/22/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
968AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
101
Discrepancy
L CTR FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED WITH MORE THAN FIVE THOUSAND POUNDS OF FUEL IN CENTER TANK. GROUNDED - YES. VERIFIED L/H CENTER TANK PUMP INOP. NO FGI RELAY TRIP. REPLACED RELAYS R934 & R936 2 EA CBS PULLED & RESET. L/H CENTER TANK PUMP OP CHK GOOD. CABIN LEAK CHECK GOOD FOR WHEEL WELL ACCESS PANEL REMOVAL. ETOPS GROUND VERIFICATION SUCCESSFUL. REF WDM 28-23-11-2. L AUTO-SHUTOFF FUNCTION CHK GOOD.
Control Number
ASAA2023062243669
Discrepancy Date
6/22/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
962AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
807
Discrepancy
MAINT LIGHT ILLUMINATED ON OVHD. GROUNDED - YES. ON DEFERRAL. PERFORMED IFIM TASK 31-00-00-810-801. FOUND STATUS MESSAGES PACK TEMP CTRL PRIMARY R. ALSO FOUND FAULT CODE: 215 102 42, AND MAINTENANCE MESSAGE 21-55091. SEAMC STEVE NOTIFIED. OK TO RELEASE PER MEL 21-51-05A C/N 22107962
Control Number
ASAA2023062243685
Discrepancy Date
6/22/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
954AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1979
Discrepancy
APU FAULT LIGHT WHEN ATTEMPTING TO START UPON ARRIVAL IN SEA. TRIED TWICE, NO JOY. GROUNDED - YES. PERFORM OPERATION CHECKS OF APU PER AMM 49-11-00 AND NO FAULT FOUND
Control Number
ASAA2023062243701
Discrepancy Date
6/22/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
929AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5623
Discrepancy
CABIN CREW REPORTS R1 GIRT BAR DIFFICULT TO ARM AND DISARM. GROUNDED - YES. ADJUSTED GIRT BAR BRACKET AS REQUIRED AND CLEANED GIRT BAR LATCHED AS NEEDED. ARMED AND DISARMED R1 DOOR SLIDE GIRT BAR AND OPS CHECK NORMAL.
Control Number
ASAA2023062143658
Discrepancy Date
6/21/23
Submission Date
6/22/23
Airline Name
ASAA
Registry Number
974AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4512
Discrepancy
MAINT LIGHT ILLUMINATED. GROUNDED - YES. FOUND FAULT BLEED FAMV L FAULT CODE 36 112541 MAINT MSG 36 12020 PERFORMED B737-9 IFIM TASK 36-12-00-810-801 AND PNEUMATIC ENGINE ON SYSTEM TEST REF B737-9 AMM 36-00-00-730-801. SYSTEM TEST PASS AND MAINT LIGHT EXTINGUISHED.
Control Number
ASAA2023062143676
Discrepancy Date
6/21/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
946AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2638
Discrepancy
#2 DRIVE LIGHT NOT ILLUMINATED EXCEPT DURING LIGHT TEST. GROUNDED - YES. PERFORMED GCU #2 BITE TEST . REF AMM 24-21-81. BITE TEST GOOD. #2 DRIVE LIGHT ILLUMINATED. AIRCRAFT IS RELEASED FROM MEL 24-11-02. PLACARD REMOVED.
Control Number
CALA2023062201977
Discrepancy Date
6/20/23
Submission Date
6/22/23
Airline Name
CALA
Registry Number
37535
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3237
Discrepancy
THIS ITEM IS A LEVEL 1 CHRONIC FOR THE EQUIPT SMOKE DETECT LIGHT COMING ON. NOTE: BOTH THE SUPPLY AND EXHAUST DETECTORS HAVE BEEN REPLACED. TECH SUPPORT UPDATE, PLEASE REPLACE R1184, R1183 AND R1150. REF WDM 21-25-11/26-19-11. SINCE ALL IN J23 JUNCTION BOX. THANKS PER FUP, REF AMM 26-19-00-710-801 . IFIM 21-27-00-810-805 . PARTS USED: 42-2619-3-0001,QTY :1 00-0363-3-0181,QTY :1 CARRIED BY ELB REPLACED RELAYS R1150 & R1184 WITH NEW. NEED RELAY R1183 P# TDH1853-1002 (NIS AT UNITED)TO BE INSTALLED THEN OPS CHECK DONE REMOVED AND REPLACED RELAY R1183 PER WDM 26-19-11-1. REMOVED AND GOOD. REPLACED SUPPLY AND EXHAUST SMOKE DETECTORS PER AMM 26-19-01, 26-19-02. INSPECTED WIRING AND UPPLY TUBES. NO DEFECTS OR BLOCKAGE FOUND. PERFORMED OPS CHECK PER AMM 26-19-00. OPS CHECK
Control Number
CALA2023062101949
Discrepancy Date
6/20/23
Submission Date
6/22/23
Airline Name
CALA
Registry Number
37535
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3236
Discrepancy
*EMERGENCY* AT FL330 EQUIP SMOKE LIGHT CAME ON AND STAYED ON DVRT TO IND UPDATED MAA CODE FIX USING VENDOR MAA SCREEN V893132 PERFORMED E/E COOLING SMOKE DETECTION AND SMOKE DETECTOR UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. OPERATIONAL TESTS PER AMM 26-19-00. OPS CHECKS NORMAL. PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. ADD EMP:V893132 MAC METER INITIATED FOR WITH VENDOR ID V893132 MAC RELATED WORK ORDER 000000003078158 AND PRTR ENSMINGER, JACK (V893132) PERFORMED E/E COOLING SMOKE DETECTION AND SMOKE DETECTOR OPERATIONAL TESTS PER AMM 26-19-00. OPS CHECKS NORMAL. EQUIP SMOKE LIGHT EXTINGUISHED. ENSMINGER, JACK (V893132) PERFORMED E/E COOLING SMOKE DETECTION AND SMOKE DETECTOR OPERATIONAL TESTS PER AMM 26-19-00. OPS CHECKS NORMAL. EQUIP SMOKE LIGHT EXTINGUISHED. ADD EMP:V893132
Control Number
ASAA2023062043657
Discrepancy Date
6/20/23
Submission Date
6/22/23
Airline Name
ASAA
Registry Number
953AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2381
Discrepancy
FMC DISAGREE CAUTION MSG ON GROUND GROUNDED - YES. QRH RESET PROCEDURE COMPLETED SUCCESSFULLY
Control Number
ASAA2023062043659
Discrepancy Date
6/20/23
Submission Date
6/22/23
Airline Name
ASAA
Registry Number
977AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3694
Discrepancy
APU FAULT AND SHUTDOWN ON GROUND AFTER LANDING. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM TASK 49-40-00-810-818 STEPS A.-C.(5)(C) AND IFIM TASK 49-40-00-810-805 STEPS A.-C.(5)(C). NO DEBRIS ON MAGNETIC PLUG, APU ROTATES FREELY, WIRING CHECK OK. REPLACED STARTER GENERATOR UNIT. OPS/LEAK CHECK OK. REF. B737-9 AMM 49-41-21-400-8011.
Control Number
ASAA2023061943691
Discrepancy Date
6/19/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
963AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
642
Discrepancy
WHILE PERFORMING T/C 30-005-00 W/O 1957615. FOUND ENG 2 EEC C2 MESSAGE ON SCHEDULED MAINTENANCE TASK DISPLAY SYSTEM. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023061943649
Discrepancy Date
6/19/23
Submission Date
6/21/23
Airline Name
ASAA
Registry Number
933AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4726
Discrepancy
AT 23:10 (APROX) AFT F/A SMELLED "DIRTY SOCK" SMELL AT ABOUT 1,500FT ON TAKEOFF. BLEEDS WERE IN NORMAL T/O POSITION (ENG 1+2 BLEED ON, AFT BLEED OFF L. PACK AUTO, ISOL AUTO, R PACK AUTO). SEEMED TO BE IN THE AFT LEFT GALLEY IT WAS A LEVEL 3 AIR QUALITY EVENT. THE SMELL AGAIN GOT STRONGER ON LANDING. IT WAS PERSISTENT THROUGHOUT THE FLIGHT. CHEMICAL SMELL AT 10,000 FT ALSO. GROUNDED - YES. TROUBLESHOT REFERENCED B737-9 IFIM TASK 21-00-00-810-830 FOUND SMELL TO BE COMING FROM AFT GALLEY DRAIN CLEANED GRAY WATER SYSTEM IAW B737-9 AMM 38-31-00. NO ODOR REMAINS.
Control Number
ASAA2023061943638
Discrepancy Date
6/19/23
Submission Date
6/21/23
Airline Name
ASAA
Registry Number
971AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5459
Discrepancy
FA REPORTS THAT THE LENS COVER ( EXIT SIGN ) ON L1 DOOR HAS FALLEN OFF. GROUNDED - YES. REPLACED EXIT SIGN LENS BY L1 DOOR.
Control Number
ASAA2023061943808
Discrepancy Date
6/19/23
Submission Date
6/30/23
Airline Name
ASAA
Registry Number
971AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5456
Discrepancy
GE DIAGNOSTICS REPORTS #2 ENGINE (SN 602613) TREND DATA SHOWS EXCESS COKING OF THE FUEL NOZZLE MAIN ORIFICES. (FULL SET FUEL NOZZLE REPLACEMENT 737MAX T/C 73-ASA-02) NO EXTENSION ALLOWED (225 CYCLES/45 DAYS). GROUNDED - YES. REPLACED FULL SET OF FUEL NOZZLES ON #2 ENGINE, SEE T/C 73-ASA-02.
Control Number
CALA2023061901940
Discrepancy Date
6/18/23
Submission Date
6/22/23
Airline Name
CALA
Registry Number
27546
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1860
Discrepancy
FOUND CRACKS ON #1 MLG BRAKE ASSY., NEEDS REPLACING R&R #1 MLG BRAKE ASSY., WORK PERFORMED IAW AMM TASK 32-41-41. PARTS USED: 60-3241-9-0001,QTY :1 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1868923 SN OFF 7496 IPC REFERENCE # 32
Control Number
ASAA2023061843726
Discrepancy Date
6/18/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
972AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5023
Discrepancy
DURING T/C 31-005-00, FOUND SMT BLEED PM SENSOR 1L WITH ASSOCIATED FAULT 36-21020 ENGINE 1 MANIFOLD DUCT PRESSURE SENSOR 1 SIGNAL IS OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023061843728
Discrepancy Date
6/18/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
972AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5023
Discrepancy
DURING T/C 31-005-00, FOUND SMT BLEED PM SENSOR 1 R WITH ASSOCIATED FAULT 36-21021 ENGINE 2 MANIFOLD DUCT PRESSURE SENSOR 1 SIGNAL IS OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023061743727
Discrepancy Date
6/17/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
913AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
7757
Discrepancy
WHILE ACCOMPLISHING T/C 31-005-00 FOUND SMT "BLEED PM SENSOR 1L ENG 1". MAINT MSG 36-21020 "MANIFOLD DUCT PRESSURE SENSOR SIGNAL OUT OF RANGE". GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023061643607
Discrepancy Date
6/16/23
Submission Date
6/20/23
Airline Name
ASAA
Registry Number
973AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4805
Discrepancy
SPEED TRIM FAIL ILLUMINATED ON RECALL, LIGHT EXTINGUISHES WHEN MASTER CAUTION SYSTEM IS RESET. GROUNDED - YES. LAST LEG B FCC FAULTED TRIM CMD RESPONSE MONITOR, A FCC NO FAULTS. PERFORMED B737-9 IFIM 22-11-00-810-D71 W/ NO DEFECTS NOTED. BITE LIBRARY TEST FOR SPEED-STAB TRIM PASS. NO A/C HISTORY 90 DAYS. ETOPS GND VERIFICATION PASS.
Control Number
ASAA2023061543608
Discrepancy Date
6/15/23
Submission Date
6/20/23
Airline Name
ASAA
Registry Number
962AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
719
Discrepancy
UNABLE TO TRANSMIT ON HF 1. WE ARE ABLE TO HEAR TRANSMISSIONS BUT UNABLE TO TRANSMIT HF 2 WORKS PROPERLY. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023061543623
Discrepancy Date
6/15/23
Submission Date
6/20/23
Airline Name
ASAA
Registry Number
920AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6415
Discrepancy
AFTER LANDING, APU WOULD NOT START AFTER 2 ATTEMPTS. GROUNDED - YES. DURING INITIAL EVALUATION FOUND ACTIVE FAULT 49-41254, REF B737-9 IFIM TASK 49-40-00-810-818. INSPECTED APU STARTER GENERATOR ELECTRICAL CONNECTOR AND THE HARNESS, NO DEFECT FOUND, REF B737-9 AMM TASK 49-11-01-200-801. CHECKED THE HARNESS BETWEEN APU START CONVERTOR CONNECTOR , D11114B AND THE APU STARTER/ GENERATOR CONNECTOR, P6, RESULT NO DEFECT FOUND REF B737-9 WDM 49-41-11 AND AMM 49-41-61-000-801. REMOVED AND REPLACED APU START CONVERTOR UNIT IAW AMM 49-41-61/401 RESULTS THE FAULT 49-41254 CHANGED TO NOT ACTIVE. THERE IS NO ACTIVE FAULT INDICATED NOW.
Control Number
ASAA2023061543584
Discrepancy Date
6/15/23
Submission Date
6/15/23
Airline Name
ASAA
Registry Number
919AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
7874
Discrepancy
WHILE PERFORMING ASA TSR714484 FOUND APU DIFF PRESS/ INDICATOR BUTTON POPPED. GROUNDED - YES. REPLACED LUBE FILTER ELEMENT AND APU OIL FILTER INDICATOR REF B737-9 AMM 49-91-12 AND AMM 49-91-13 LEAK CHECK GOOD, NO FAULTS NOTED DURING GROUND VERIFICATION.
Control Number
ASAA2023061443647
Discrepancy Date
6/14/23
Submission Date
6/21/23
Airline Name
ASAA
Registry Number
933AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4689
Discrepancy
REF T/C 31-005-00, SMT MESSAGE " BLEED FAMV RVDT R" SHOWS WITH CORRELATED MAINTENANCE MESSAGE 36-12031 "ENG 2 FAMV RVDT SIGNAL IS OUT OF RANGE". GROUNDED - YES. REMOVED AND REPLACED FAN AIR MODULATING VALVE ASSY PER B737-9 AMM 36-12-03/401.
Control Number
ASAA2023061443581
Discrepancy Date
6/14/23
Submission Date
6/15/23
Airline Name
ASAA
Registry Number
975AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4368
Discrepancy
INTERMITTENT ANOMALIES ON WX RADAR DISPLAY INTERMITTENT PWS & WXR FAIL MSGS. GROUNDED - YES. REF B737-9 AMM 34-41-41 REMOVED AND REPLACED WX RADAR RECEIVER/TRANSMITTER, OPS TEST GOOD.
Control Number
SWAA2023061959882
Discrepancy Date
6/13/23
Submission Date
6/19/23
Airline Name
SWAA
Registry Number
8711Q
Aircraft Make
BOEING
Aircraft Model
7378
Aircraft Total Time (hrs)
12553
Discrepancy
ENG #1 INBOARD HALF OF THRUST REVERSER HAS A CRACK AT 7 OCLOCK POSITION ON THE INSIDE OF THE THRUST REVERSER.
Control Number
ASAA2023061243683
Discrepancy Date
6/12/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
958AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1380
Discrepancy
WHILE PERFORMING T/C 31-005-00 FOUND SMT MSG "BLEED FAMV RVDT L". GROUNDED - YES. REMOVED AND REPLACED ENGINE 1 FAN AIR MODULATING VALVE FOR T/S REF IFIM TASK 36-12-00-810-803 AND AMM 36-12-03-000-801. ACCOMPLISHED ELECTRICAL LRU REPLACEMENT TEST REF AMM 36-00-00-710-801, AND PNEUMATIC, LRU REPLACEMENT TEST, ENGINE OFF-FAMV REF AMM 36-12-00-720-801. ALL TEST PASS. GROUND VERIFICATION TEST SUCCESSFUL.
Control Number
ASAA2023061243548
Discrepancy Date
6/12/23
Submission Date
6/13/23
Airline Name
ASAA
Registry Number
963AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
562
Discrepancy
ON WALKAROUND NOTED # 2 ENG LEAKING FUEL. GROUNDED - YES. PERFORMED ENG #2 DRAIN INSPECTION PER AMM 71-71-00. STEADY LEAK IF FUEL (STREAMING) DURING IDLE RUN LEAK CHECK. I DID DRAIN AS FUEL PUMP PAD. REMOVED AND REPLACE #2 ENGINE FUEL PUMP B737-9 AMM 73-11-01.
Control Number
ASAA2023061243561
Discrepancy Date
6/12/23
Submission Date
6/14/23
Airline Name
ASAA
Registry Number
934AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4799
Discrepancy
PRIOR TO TOP OF DESCENT WX RADAR FAILED WITH WX FAIL AND PWS FAIL. CYCLED POWER OFF AND ON. RADAR WOULD COME BACK ON BRIEFLY AND FAIL AGAIN. GROUNDED - YES. PERFORMED WEATHER RADAR OPS TEST. OPS TEST PASS. REF B737-9 AMM 34-41-00-710-801. PERFORMED GROUND PROXIMITY WARNING SYSTEM OPS TEST. OPS TEST PASS. REF AMM 34-49-00-710-801.
Control Number
ASAA2023061143524
Discrepancy Date
6/11/23
Submission Date
6/12/23
Airline Name
ASAA
Registry Number
918AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
7713
Discrepancy
LEFT FWD OVERHEAT ANNUNCIATOR ON PUSH BACK. RAN WINDOW OVERHEAT (3.7) QRH AND CLEARED ANNUNCIATOR. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROL UNIT SYS. TEST REF B737-9 AMM 30-41-11-710-801. TEST SUCCESSFUL.
Control Number
ASAA2023061043534
Discrepancy Date
6/10/23
Submission Date
6/12/23
Airline Name
ASAA
Registry Number
920AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6358
Discrepancy
APU FAILED TO START. FAULT LIGHT AND LOW OIL PRESSURE LIGHT ARE ON. GROUNDED - YES. HAD MAINTENANCE MESSAGE " NO FLAME SHUTDOWN". PERFORMED B737-9 IFIM 49-40-00-810-804. VISUALLY INSPECTED APU AND FOUND RED BUTTON ON LUBE FILTER CASE EXTENDED. REMOVED AND REPLACED APU OIL LUBE FILTER AND APU OIL STARTER - GENERATOR FILTER PER B737-9 AMM 49-91-13. INSPECTED APU IGNITER PLUG AND FOUND IT WORN. REMOVED AND REPLACED APU IGNITER PLUG PER AMM 49-41-51, NO HELP. REMOVED AND REPLACED APU IGNITION UNIT PER AMM 49-41-31. OPS CHECK GOOD. APU OPERATING NORMAL.
Control Number
ASAA2023060943533
Discrepancy Date
6/9/23
Submission Date
6/12/23
Airline Name
ASAA
Registry Number
952AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2572
Discrepancy
WX RADAR WILL NOT DISPLAY KNOWN THUNDER STORMS IN AUTO MODE. WEAK RETURN ARE POSSIBLE IN MANUAL MODE BUT WILL NOT DISPLAY VISIBLE STORM DIMENSIONS ON RADAR DISPLAY. VARIOUS GAIN ADJUSTMENTS MADE WITH NO CHANGE AT MAX GAIN. GROUND CLUTTER FUNCTION WORKS NORMALLY. GROUNDED - YES. NO FAULTS NOTED ON MDS. C/W WEATHER RADAR SYSTEM TEST = NO FAULTS NOTED DURING TEST, TESTS OK. REF B737-9 AMM 34-41-00-730-801.
Control Number
ASAA2023060943528
Discrepancy Date
6/9/23
Submission Date
6/13/23
Airline Name
ASAA
Registry Number
928AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5071
Discrepancy
LEFT SIDE #2 WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023060843496
Discrepancy Date
6/8/23
Submission Date
6/9/23
Airline Name
ASAA
Registry Number
942AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3694
Discrepancy
OVERHEAT ON RIGHT SIDE WINDOW HEAT ON THE GROUND. GROUNDED - YES. RESET AND EXTINGUISHED WITH THE QRH.
Control Number
ASAA2023060843539
Discrepancy Date
6/8/23
Submission Date
6/12/23
Airline Name
ASAA
Registry Number
963AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
519
Discrepancy
MAINT LIGHT ON OVERHEAD PANEL ON AFTER LANDING. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023060743499
Discrepancy Date
6/7/23
Submission Date
6/7/23
Airline Name
ASAA
Registry Number
924AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6172
Discrepancy
ENROUTE TO ANCHORAGE THE LEFT FMC FAILED. OPERATED THE REMAINDER OF THE FLIGHT ON THE RIGHT FMC. GROUNDED - YES. REMOVED AND REPLACED THE LEFT FLIGHT MANAGEMENT COMPUTER (FMCS) REF B737-9 AMM 34-61-02-400-801.
Control Number
ASAA2023060743502
Discrepancy Date
6/7/23
Submission Date
6/9/23
Airline Name
ASAA
Registry Number
956AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1425
Discrepancy
WHILE ACCOMPLISHING ASA T/C 31-005-00 FOUND SMT MESSAGE BLEED FAMV RVDT L SIGNAL IS OUT OF RANGE MAINTENANCE MESSAGE 36-12030. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM TASK 36-12-00-810-803, ELECTRICAL LRU - REPLACEMENT TEST WHICH PASSED. DUE TO HISTORY AND MULTIPLE LEG FAULTS REPLACED THE FAN AIR MODULATING VALVE REF B737-9 AMM 36-12-03. PERFORMED OPS TEST. NO FAULTS.
Control Number
ASAA2023060743690
Discrepancy Date
6/7/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
953AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2236
Discrepancy
SMT ENG 1 C2 FOUND WHILE PERFORMING T/C 05-020-01 WITH CORRELATED FAULT 73-43840. GROUNDED - YES. REF IFIM TASK G73-20-00-810-855 NO FAULTS DETECTED AT THIS TIME.
Control Number
ASAA2023060643493
Discrepancy Date
6/6/23
Submission Date
6/8/23
Airline Name
ASAA
Registry Number
935AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4566
Discrepancy
HISSING AIR SOUND AT 16F EXIT DOOR. GROUNDED - YES. AIR TURNBACK - INSPECTED 16F WINDOW VERIFIED NO STREAKING OR MOISTURE INSPECTED EMERGENCY DOOR PRESSURE SEAL. NO DISCREPANCIES NOTED. PRESSURIZED AIRCRAFT. NO SQUEALS OR LEAKS NOTED. REF B737-9 AMM 52-22-00.
Control Number
ASAA2023060543476
Discrepancy Date
6/5/23
Submission Date
6/7/23
Airline Name
ASAA
Registry Number
956AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1410
Discrepancy
ON DESCENT, L FWD WINDOW HEAT OVERHEAT LIGHT CAME ON. AFTER 5 MIN COOL DOWN, OVERHEAT LIGHT CAME BACK ON WHEN WINDOW HEAT WAS TURNED BACK ON. GROUNDED - YES. PERFORMED BITE TEST B737-9 AMM 30-41-710-801 FOR WINDOW HEAT CONTROL UNIT. TEST PASSED. NO FAULTS NOTED.
Control Number
ASAA2023060543466
Discrepancy Date
6/5/23
Submission Date
6/6/23
Airline Name
ASAA
Registry Number
963AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
474
Discrepancy
AT CRUISE FMCS DROPPED ENTIRE FLT PLAN NO FAULTS NOTED AND WE WERE ABLE TO REBUILD FLT PLAN. GROUNDED - YES. PERF FMC OPS TEST NO DEFECTS NOTED NOTED PER B737-9 AMM 34-61-00-710-801.
Control Number
ASAA2023060543686
Discrepancy Date
6/5/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
960AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
957
Discrepancy
PILOT REPORTS PAINT MISSING ON AFT SIDE OF #2 ENGINE FAN BLADE, BLADE #3. GROUNDED - YES. FOUND MISSING PAINT OF #2 ENGINE, BLADE #3, TO BE WITHIN LIMITS. DEFERRED PER AMM 72-22-02 STEP S(8), FOR A ONE-TIME CONTINUE-IN-SERVICE APPLICATION OF 100 FLIGHT CYCLES. SEAMC LANCE NOTIFIED. C/N 05059960. OK FOR SERVICE.
Control Number
ASAA2023060543491
Discrepancy Date
6/5/23
Submission Date
6/8/23
Airline Name
ASAA
Registry Number
978AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3498
Discrepancy
NEGATIVE IGNITION ON #2 ENGINE START. VERY LOW FUEL FLOW WHEN START LEVER RAISED TO IDLE (.26) THEN WENT TO ZERO. GROUNDED - YES. REMOVED AND REPLACED R IGNTION EXCITER IAW B737-9 AMM 74-11-01-400-02-GOO REMOVED AND REPLACED R IGNITER PLUG IAW AMM 74-21-02/401 OPS CHECK GOOD PERFORMED IGNITION SYSTEM TEST IAW AMM 71-00-00-730-804-G00.
Control Number
ASAA2023060443444
Discrepancy Date
6/4/23
Submission Date
6/5/23
Airline Name
ASAA
Registry Number
941AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3071
Discrepancy
FMC DISAGREE. GROUNDED - YES. CYCLED BOTH FMC'S CIRCUIT BREAKERS REF B737-9 FIM TASK 34-61-00-810-918. MESSAGE EXTINGUISHED.
Control Number
ASAA2023060443449
Discrepancy Date
6/4/23
Submission Date
6/5/23
Airline Name
ASAA
Registry Number
938AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3742
Discrepancy
OVERHEAD PANEL MAINT LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED FAN AIR MODULATING VALVE ENG 2 REF B737-9 AMM 36-12-03-400-801. LRU AND PNEUMATICS TEST OPS CHK GOOD. ETOPS GROUND VERIFICATION SUCCESSFUL.
Control Number
ASAA2023060443450
Discrepancy Date
6/4/23
Submission Date
6/5/23
Airline Name
ASAA
Registry Number
928AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5020
Discrepancy
DURING ENGINE WASH OF #1 ENG FOUND BOLT ON HPSOV LOCKOUT WORN. GROUNDED - YES. REMOVED AND REPLACED HPSOV PER B737-9 AMM 36-11-07. PERFORMED OPS CHECK AND LEAK CHECK. ALL CHECKS GOOD. NO OTHER DEFECTS OR DISCREPANCIES NOTED.
Control Number
ASAA2023060443688
Discrepancy Date
6/4/23
Submission Date
6/26/23
Airline Name
ASAA
Registry Number
971AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5282
Discrepancy
ON ENGINE #1 CRACK FOUND IN ABRADABLE SHROUD AT 9 O'CLOCK POSTION. GROUNDED - YES. ON DEFERRAL. CRACK FOUND TO BE WITHIN DEFERRABLE LIMITS A/C RELEASED FOR SERVICE WITHIN 100 CYCLES PERFORM TAP TEST INSPECTION AT CRACKS LOCATION REF: AMM 72-21-00-200-802-G00 (2)(G)(7) "AXIAL CRACK ON ABRADABLE" SEAMC PETER NOTIFIED C/N 04007971
Control Number
ASAA2023060343441
Discrepancy Date
6/3/23
Submission Date
6/5/23
Airline Name
ASAA
Registry Number
968AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
23
Discrepancy
FMC DISAGREE ON GROUND. GROUNDED - YES. PERFORMED QRH FMC DISAGREE PROCEDURE. OPS CHECK GOOD.
Control Number
ASAA2023060343432
Discrepancy Date
6/3/23
Submission Date
6/5/23
Airline Name
ASAA
Registry Number
962AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
582
Discrepancy
AUTOPILOT DISENGAGE BUTTON WILL NOT SILENCE AURAL A/P DISENGAGE TONE FROM EITHER YOKE. GROUNDED - YES. VERIFIED FAULT, FOUND C/B OPEN AT P18-1 WARN LIGHT (BAT) (D1). ACCOMP INSP OF C/B OPEN [18-1 GVI NO DEFECTS NOTED, CLOSED P18-1 & CLOSED C/B (D1). ACCOMP LAND VERIFY TEST, TEST PASS DFCS BITE GRP 49 ALL TEST PASS C/B STAYED CLOSED. REF B737-9 AMM 22-11-00-700-801, AMM 20-60-01-860-801 & B737-9 WDM 22-14-11-3.
Control Number
ASAA2023060243445
Discrepancy Date
6/2/23
Submission Date
6/5/23
Airline Name
ASAA
Registry Number
974AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4337
Discrepancy
FLIGHT PLAN NEARLY DROPPED OUT OF FMS WHEN APPROACH WAS BEING PUT IN. BEFORE DESCENT WINDS WERE ENTERED. THERE WAS NO NOTATION ON DISPATCH RELEASE REGARDING THIS. GROUNDED - YES. NO ACTIVE MSG ON OMF. PERFORMED FMCS OPERATIONAL TEST AND TEST NORMAL REF B737-9 AMM 34-61-00-710-801.
Control Number
ASAA2023060243437
Discrepancy Date
6/2/23
Submission Date
6/5/23
Airline Name
ASAA
Registry Number
933AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4554
Discrepancy
SPAR VALVE LIGHT ILLUMINATED DURING CLIMB. TURNED OFF AFTER 30 MINUTES. GROUNDED - YES. REMOVED AND REPLACED #2 ENG SPAR VALVE ACTUATOR REF B737-9 AMM 28-22-11. PERFORMED ELECTRICAL CONTROL INDICATION TEST REF AMM 28-22-00-710-801 WITH NO DEFECTS NOTED. (REF TSR714447)
Control Number
ASAA2023060143464
Discrepancy Date
6/1/23
Submission Date
6/6/23
Airline Name
ASAA
Registry Number
942AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3612
Discrepancy
WHILE PREFORMING ASA T.C 31-005-00 FOUND MAINTENCE SCHEDULED TASK MESSAGE "BLEED FAMV RVDT R". GROUNDED - YES. FOUND LATCHED MESSAGE FAULT 36-12031. C/W B737-9 FIM 36-12-00-810-804 STEP A,B,C1. REMOVED AND REPLACED #2 ENGINE FAMV REF B737-9 AMM 36-12-03. OPS CHECK GOOD.
Control Number
CALA2023060201737
Discrepancy Date
6/1/23
Submission Date
6/2/23
Airline Name
CALA
Registry Number
27263
Aircraft Make
BOEING
Aircraft Model
7378
Aircraft Total Time (hrs)
5689
Discrepancy
FWD ENTRY DOOR HANDLE ROTATED APPROX 1 INCH AND FWD ENTRY LIGHT AND MC LIGHT DURING TO ROLL INSPECTED L1 ENTRY DOOR AND PERFORMED OPERATIONAL TEST PER 52-11-00. OPS CK GOOD. DOOR HANDLE LOCKS OVERCENTER NO SOFT LATCHING FOUND. SUSPECTED HANDLE NOT IN FULL DOWN POSITION. OPS CHECK GOOD OK TO CONTINUE.
Control Number
CALA2023060701763
Discrepancy Date
6/1/23
Submission Date
6/7/23
Airline Name
CALA
Registry Number
27263
Aircraft Make
BOEING
Aircraft Model
7378
Aircraft Total Time (hrs)
5750
Discrepancy
THIS IS A CORRECTION TO THE SDR CALA2023060201737 REPORTED FOR AIRCRAFT 7263; RTO INITIATED AT 100 KTS DURING TO... MAX SPEED 110 KIAS COMPLIED WITH HIGH ENERGY STOP INSPECTION REF MM 05-51-07-210. OK TO CONTINUE. FWD ENTRY DOOR HANDLE ROTATED APPROX 1 INCH AND FWD ENTRY LIGHT AND MC LIGHT DURING TO ROLL INSPECTED L1 ENTRY DOOR AND PERFORMED OPERATIONAL TEST PER 52-11-00. OPS CK GOOD. DOOR HANDLE LOCKS OVERCENTER NO SOFT LATCHING FOUND. SUSPECTED HANDLE NOT IN FULL DOWN POSITION. OPS CHECK GOOD OK TO CONTINUE.
Control Number
ASAA2023060143434
Discrepancy Date
6/1/23
Submission Date
6/5/23
Airline Name
ASAA
Registry Number
978AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3449
Discrepancy
HF#2 SHOWS FAIL IN BOTH WINDOWS. GROUNDED - YES. NO ACTIVE FAULT ONS SHOWS 23-21042 INTERNAL FAULT. REMOVED AND REPLACED HF #2 R/T REF B737-9 AMM 23-11-21-000/400-801. GROUND VERIFICATION PASS.
Control Number
ASAA2023053143414
Discrepancy Date
5/31/23
Submission Date
6/1/23
Airline Name
ASAA
Registry Number
964AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
374
Discrepancy
MAINT LIGHT ILLUMINATED, STATUS MESSAGE APU OIL QTY. GROUNDED - YES. MAINT MESSAGE SHOWS FAULT 49-94304, OIL LEVEL SENSOR CIRCUIT FAILURE DETECTED BY APU CONTROLLER. COCKPIT OIL QTY SHOWS FULL, OIL QTY AT APU SHOWS 1 QT LOW. ACCOMPLISHED B737-9 IFIM TSK 49-90-00-810-811. REPLACED THE OIL LEVEL SENSOR REF B737-9 AMM 49-94-11.
Control Number
ASAA2023053143452
Discrepancy Date
5/31/23
Submission Date
6/5/23
Airline Name
ASAA
Registry Number
954AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1719
Discrepancy
MAINT LIGHT ON AFTER LANDING. GROUNDED - YES. REMOVED ENG 2 RIGHT IGNITER PLUG REF B737-9 AMM 74-21-02-00-802. INSPECTED IGNITER PLUG AND FOUND UNIT FAILING. REPLACED RIGHT IGNITER PLUG REF AMM 74-21-02-400-802. PERFORMED TASK 71-00-00-730-805 TEST NO. 19 AND NO DEFECTS NOTED. ENG NO. 2 STARTED AND RAN ON RIGHT PLUG ONLY AND NO DEFECTS NOTED.
Control Number
ASAA2023053143413
Discrepancy Date
5/31/23
Submission Date
6/1/23
Airline Name
ASAA
Registry Number
938AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3697
Discrepancy
ON LANDING ROLL OUT FMC DISAGREE APPEARED IN BOTH SCRATCH PADS. GROUNDED - YES. PER B737-9 IFIM 34-61-00-810-918. INITIAL EVAL. FAULT WAS NOT PRESENTING. RESET FMCS PER IFIM. CHECKED FOR FAULTS. NO FAULTS.
Control Number
ASAA2023053043412
Discrepancy Date
5/30/23
Submission Date
6/1/23
Airline Name
ASAA
Registry Number
971AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5244
Discrepancy
WEATHER RADAR FAILED. WXR FAIL FLAG AND PWS FAIL FLAG. GROUNDED - YES. OMF SHOWS MAINTENANCE MESSAGE 34-43101 AND 34-43107 LOGGED ON PREVIOUS FLIGHT LEG. ACCOMPLISHED B737-9 FIM 34-41-00-810-818 AND 34-41-00-810-837 INITIAL EVALUATION SHOWS NO FAULTS DETECTED REF B737-9 AMM 34-41-00-710-801. GROUND VERIFICATION SUCCESSFUL.
Control Number
ASAA2023053043411
Discrepancy Date
5/30/23
Submission Date
6/1/23
Airline Name
ASAA
Registry Number
924AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6070
Discrepancy
SATCOM LOCK-UP GROUNDED - YES. ACCOMPLISHED "SATCOM LOCK-UP" QRH PROCEDURE.
Control Number
CALA2023053101719
Discrepancy Date
5/29/23
Submission Date
5/31/23
Airline Name
CALA
Registry Number
37535
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
3034
Discrepancy
FLAP ASYMETRY TRAILING EDGE FAILED BETWEEN FLAPS 1 AND FLAPS 2 TWO LATCHED MAINT MESSAGES. 27-52259 TE FLAP SNSR LT AND THREE TOTAL LATCHED MESSAGES. 32-62009. 32-62010; 27-52259. 32-62010. ADD FAULT: 32-62009, 32-62010, 27-52259 ADD FAULT: 27-52259, 32-62010 OPERATED FLAPS IN ALTERNATE MODE UP TO 0 OPERATED FLAPS IN NO FAULTS NOTED AT THIS TIME ALL MESSAGES NOT ACTIVE A/C OK TO NORMAL MODE 6 COMPLETE CYCLES REF AMM 27-51-00 ALL OPS CHECKS CONTINUE GOOD AT THIS TIME INSPECTED LH FLAP TRANSMITTER AND WIRING NO DEFECTS NOTED AT THIS TIME PERFORMED FSEU BITE REF AMM 27-51-00
Control Number
ASAA2023052943419
Discrepancy Date
5/29/23
Submission Date
6/2/23
Airline Name
ASAA
Registry Number
961AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
754
Discrepancy
WHILE PERFORMING ASA T/C 31-005-00 FOUND SMT SHORT TIME FAULT ENG 2EEC C1. GROUNDED - YES. INITIAL EVAL, OBMF- EXISTING FDE, #2 ENG HAS SMT "ACTIVE." SMT FAULTS PRESENT ON SMT MENU PAGE, ERASED FAULTS. PERFORMED B737-9 IFIM G73-10-00-810-804 FOR ENG 2 EEC C2 LONG TIME SMT MTX MSG. THERE WERE SEVERAL EEC CH B FAULTS IN FAULT HISTORY ONLY ON LEG 18: TRA 73-44144, T12 73-43744, T25 73-43784, PMV 73-43254, SBV/BAI 75-43584, TEO 79-44070, TBV 75-43944, MTC 73-42794, EEC CH B INTERNAL 77-09004; ALL AT CRUISE PHASE. NO OTHER LEGS IN HISTORY HAVE THESE FAULTS. SUSPECT MOMENTARY CYCLE OR RESET OF THE EEC CH B IN FLIGHT ON LEG 18. PER FIM, HAD QUALIFIED TECH RUN #2 ENG - TEST 32. FAULTS NO LONGER PRESENT IN EXISTING FDE OR FAULT HISTORY LEG 0/1. THIS CLEARS LONG TIME PLT FOR SMT ENG 2 EEC C2.
Control Number
ASAA2023052943418
Discrepancy Date
5/29/23
Submission Date
6/2/23
Airline Name
ASAA
Registry Number
961AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
749
Discrepancy
WHILE PERFORMING ASA T/C 31-005-00 FOUND SMT LONG TIME FAULT ENG 2 EEC C2. GROUNDED - YES. INITIAL EVAL, OBMF- EXISTING FDE, #2 ENG HAS SMT "ACTIVE." SMT FAULTS PRESENT ON SMT MENU PAGE, ERASED FAULTS. PERFORMED B737-9 IFIM G73-10-00-810-804 FOR ENG 2 EEC C2 LONG TIME SMT MTX MSG. THERE WERE SEVERAL EEC CH B FAULTS IN FAULT HISTORY ONLY ON LEG 18: TRA 73-44144, T12 73-43744, T25 73-43784, PMV 73-43254, SBV/BAI 75-43584, TEO 79-44070, TBV 75-43944, MTC 73-42794, EEC CH B INTERNAL 77-09004; ALL AT CRUISE PHASE. NO OTHER LEGS IN HISTORY HAVE THESE FAULTS. SUSPECT MOMENTARY CYCLE OR RESET OF THE EEC CH B IN FLIGHT ON LEG 18. PER FIM, HAD QUALIFIED TECH RUN #2 ENG - TEST 32. FAULTS NO LONGER PRESENT IN EXISTING FDE OR FAULT HISTORY LEG 0/1. THIS CLEARS LONG TIME PLT FOR SMT ENG 2 EEC C2.
Control Number
ASAA2023052943392
Discrepancy Date
5/29/23
Submission Date
6/2/23
Airline Name
ASAA
Registry Number
929AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5333
Discrepancy
WHILE ACCOMPLISHING ASA ASA T/C 05-020-01 FOUND SMT ENG EEC C2 FAULT CODE 731 451 51 CORRELATED MAINTENANCE MESSAGE 73-41420 ON LEG-1. DPC-1 HAS NO EEC CHANNEL-B INPUT ON ARINC-429 DETECTED BY ENG:1 EEC. GROUNDED - YES. CW B737-9 IFIM G73-20-00-810-809. FAULT NOT ACTIVE. ONE OCCURRENCE AT TIME OF PLT LEG 31.
Control Number
ASAA2023052943420
Discrepancy Date
5/29/23
Submission Date
6/2/23
Airline Name
ASAA
Registry Number
929AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5336
Discrepancy
WHILE ACCOMPLISHING ASA T/C 05-020-01. FOUND SMT ENG 1 EEC C2 FAULT CODE 73145151 CORRELATED MAINTENENCE MESSAGE 77-09002 LEG-1. ENGINE-1 EEC CHANNEL-B HAS AN INTERNAL FAULT. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023052943422
Discrepancy Date
5/29/23
Submission Date
6/2/23
Airline Name
ASAA
Registry Number
929AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5336
Discrepancy
WHILE ACCOMPLISHING ASA T/C 05-020-01. FOUND SMT ENG 1 EEC C1 FAULT CODE 732 451 51 CORRELATED MESSAGE 77-09002 ON LEG-1. ENGINE-1 EEC CHANNEL-B HAS AN INTERNAL FAULT. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023052943421
Discrepancy Date
5/29/23
Submission Date
6/2/23
Airline Name
ASAA
Registry Number
929AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5336
Discrepancy
WHILE ACCOMPLISHING ASA T/C 05-020-01. FOUND SMT ENG 1 EEC C2 FAULT CODE 731 451 51 CORRELATED MAINTENANCE MESSAGE 73-41430 ON LEG-1. DPC-2 HAS NO EEC CHANNEL-B INPUT ON ARINC-429 DETECTED BY ENGINE-1 EEC. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023052943390
Discrepancy Date
5/29/23
Submission Date
5/30/23
Airline Name
ASAA
Registry Number
929AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5333
Discrepancy
AFTER STARTING #1 ENGINE, STABILIZED, THEN SHUTDOWN AUTOMATICALLY WITH NO ABNORMAL INDICATIONS. GROUNDED - YES. FOUND FAULT CODE 71-43691 ENGINE STALLED DURING START. PERFORMED B737-9 IFIM TASK G71-00-00-810-869/ENGINE IDLE SYSTEM TEST STEP B(2) PASSED. FAULT DID NOT RETURN AND FAULT WAS CORRECTED NO LEAKS NOTED FROM DRAIN MAST.
Control Number
ASAA2023052843379
Discrepancy Date
5/28/23
Submission Date
5/30/23
Airline Name
ASAA
Registry Number
931AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
5180
Discrepancy
IN CRUISE FL350 HAD DUAL FMC FAILURE. HAD AP P/RST AND FMC P/RST LIGHTS FLASHING ON GLARE SHIELD. WHILE GETTING QRH OUT, BOTH FMC'S RESET AND RETURNED TO NORMAL OPERATION. CPDLC ALSO LOGGED OFF. NORMAL OPS FOR THE REMAINDER OF THE FLIGHT. GROUNDED - YES. PERFORMED OPS CHECK OF FMC OPERATIONAL TEST IAW B737-9 AMM 34-61-00. OPS CHECK GOOD. NO DEFECTS NOTED AT THIS TIME.
Control Number
ASAA2023052843385
Discrepancy Date
5/28/23
Submission Date
5/30/23
Airline Name
ASAA
Registry Number
924AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
6055
Discrepancy
APU FAULT LIGHT ON FIRST START ATTEMPT ON TAXI IN, WAITED 5 MINUTES, FAULT CLEARED, SUCCESSFUL START ON ATTEMPT #2. GROUNDED - YES. PERFORMED TROUBLESHOOTING & FOUND MAINTENANCE MESSAGE 49-41012 NO APU ROTATION SHUTDOWN & 49-41254 START CONVERTER UNIT SHOWS START SYSTEM INOP. PERFORMED B737-9 IFIM TASK 49-40-00-810-805 STEPS 1 & 2. MESSAGES SHOW AS NOT ACTIVE & NO PREVIOUS HISTORY ON A/C. COMPLETED APU START WITH NO FAULTS NOTED NOTED. FAULTS ARE INTERMITTENT.
Control Number
ASAA2023052743369
Discrepancy Date
5/27/23
Submission Date
5/30/23
Airline Name
ASAA
Registry Number
974AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
4257
Discrepancy
AFTER PRESSING RECALL THE SPEED TRIM FAIL LIGHT ILLUMINATED THE LIGHT EXTINGUISHED WITH THE MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM TASK 22-11-00-810-D71 AND IFIM TASK 22-11-00-810-C61 ALSO ACCOMPLISHED DFCS BITE LIBRARY TEST. ALL TESTS PASSED.
Control Number
ASAA2023052643404
Discrepancy Date
5/26/23
Submission Date
5/31/23
Airline Name
ASAA
Registry Number
967AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
94
Discrepancy
SCHEDULED MAINTENANCE TASK DISPLAY SYSTEM HAS LATCHED MESSAGE BLEED PM SENSOR 1L WHILE COMPLETING ASA T/C 31-005-00, MAINT MESSAGE 36-21020 ENGINE 1. GROUNDED - YES. ON DEFERRAL.
Control Number
ASAA2023052643377
Discrepancy Date
5/26/23
Submission Date
5/30/23
Airline Name
ASAA
Registry Number
956AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1284
Discrepancy
WX RADAR DEPICTS A RETURN FROM THE NOSE TO END OF RANGE THAT IS CONSISTENTLY POINTED 20* DEGREES LEFT OF NOSE. GROUNDED - YES. PERFORMED SYSTEM RESET OF THE WXR SYSTEM PERFORMED WEATHER RADAR OPERATIONAL TEST IAW B737-9 AMM 34-41-00. OPS CK GOOD. ALL INDICATIONS WORK NORMAL. NO INBOUND FLIGHT DECK EFFECTS NOR INOP STATUS MSG.
Control Number
ASAA2023052643381
Discrepancy Date
5/26/23
Submission Date
5/30/23
Airline Name
ASAA
Registry Number
943AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
2843
Discrepancy
INTERMITTENT DUAL FMC FAIL AT FL 390. LASTED ABOUT 60 SEC THEN RECOVERED. GROUNDED - YES. VERIFIED FMC FAILED R/H FMC PRES POS LAT RATE & L/H FMC HAD CDU R RATE BOTH ARE INTERMITTENT. CYCLED BOTH FMC COMP. ACCOMPLISHED SENSOR STATUS TEST BOTH PASS TEST REF B737-9 AMM 34-61-00-710-002.
Control Number
ASAA2023052543407
Discrepancy Date
5/25/23
Submission Date
5/31/23
Airline Name
ASAA
Registry Number
956AK
Aircraft Make
BOEING
Aircraft Model
7379
Aircraft Total Time (hrs)
1269
Discrepancy
WHILE PERFORMING ASA T.C. #31-005-00, SMT HAS LATCHED MTX MSG BLEED FAMV RVDT L. GROUNDED - YES. PERFORMED B737-9 FIM TASK 36-12-00-810-803 FOR MTX MSG BLEED FAMV RVDT L. MESSAGE WAS FOUND TO BE AN INTERMITTENT FAULT.

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