# Service difficulty reports: N929AK

A list on [N929AK](https://openairdocs.org/aircraft/N929AK.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR ASAA2025091761056](https://openairdocs.org/sdr/ASAA2025091761056.md): Transition Panel · corroded · Sep 17, 2025 · N929AK · Boeing 7379 · Fuselage Miscellaneous Structure
  > UPON ACCOMPLISHING GVI IN AFT CARGO FOUND LT TRANSITION TO HAVE CORROSION STA 727D TO 747. GROUNDED - YES. REMVOED CORROSION ON TRANSITION PANEL FOUND TO BE OUT OF LIMITS, REMOVED AND REPLACED IAW B737-9MAX SRM 53-00-53-2R-5 W= 2 O=.040 R=.034 L= 3 D=.006.
- [SDR ASAA2025091761055](https://openairdocs.org/sdr/ASAA2025091761055.md): Transition Panel · corroded · Sep 17, 2025 · N929AK · Boeing 7379 · Fuselage Miscellaneous Structure
  > UPON ACCOMPLISHING GVI IN AFT CARGO FOUND R/H TRANSITION TO HAVE CORROSION STA 727D TO 747. GROUNDED - YES. REMOVED CORROSION TRANSITION PANEL FOUND TO BE OUT OF LIMITS, REMOVED AND REPLACED IAW B737 9MAX SRM 53-00-53-2R-5 W=1" O=.040 R=.032 L= 2" D=.008.
- [SDR ASAA2025081060026](https://openairdocs.org/sdr/ASAA2025081060026.md): Lens · missing · Aug 10, 2025 · N929AK · Boeing 7379 · Emergency Lighting
  > EXIT ROW LIGHT COVER AT PAX SEAT 16F IS MISSING. GROUNDED - YES. INSTALLED EXIT SIGN LENS COVER AT SEAT 16F REF AMM 33-51-01. OPS CHK GOOD.
- [SDR ASAA2025070259205](https://openairdocs.org/sdr/ASAA2025070259205.md): Sign · missing · Jul 2, 2025 · N929AK · Boeing 7379 · Emergency Lighting
  > EXIT ROW SIGN LOWER 16F MISSING. GROUNDED - YES. INSTALLED NEW EXIT ROW SIGN AT 16F - P/N 207377-1007 REF AMM 33-51-01.
- [SDR ASAA2025052458223](https://openairdocs.org/sdr/ASAA2025052458223.md): Lens · broken · May 24, 2025 · N929AK · Boeing 7379 · Emergency Lighting
  > FA REPORTS EXIT SIGN REAR R2 DOOR DETACHED AND WILL NOT STAY ATTACHED. GROUNDED - YES. FOUND PLASTIC EXIT SIGN R2 BROKEN, REPLACED WITH NEW EXIT R2 SIGN EMERGENCY LIGHTS OPS CK GOOD PER AMM 33-50-00.
- [SDR ASAA2025032356758](https://openairdocs.org/sdr/ASAA2025032356758.md): Lens · missing · Mar 23, 2025 · N929AK · Boeing 7379 · Emergency Lighting
  > EXIT LIGHT LENS COVER AT SEAT 16A MISSING. GROUNDED - YES. REPLACED LIGHT LENS COVER AS REQUIRED.
- [SDR ASAA2025030656427](https://openairdocs.org/sdr/ASAA2025030656427.md): Glowstrip · damaged · Mar 6, 2025 · N929AK · Boeing 7379 · Emergency Equipment
  > GLOWSTRIP AT F/C GALLEY CRACKED AND PULLING UP OFF OF FLOOR. GROUNDED - YES. REPLACED PHOTOLUMINESCENT STRIP BETWEEN SEAT ROW 19 ABC THROUGH 22ABC AND IN ROW 1 ABC IN REF TO AMM 33-51-15.
- [SDR ASAA2025030556428](https://openairdocs.org/sdr/ASAA2025030556428.md): Glowstrip · damaged · Mar 5, 2025 · N929AK · Boeing 7379 · Emergency Equipment
  > GLOW STRIP NEAR AFT GALLEY PULLING UP OFF FLOOR AND NOT GLOWING. GROUNDED - YES. REPLACED PHOTOLUMINESCENT STRIP NEXT TO LAV G IN REF TO AMM 33-51-15.
- [SDR ASAA2025021255948](https://openairdocs.org/sdr/ASAA2025021255948.md): Lens · missing · Feb 12, 2025 · N929AK · Boeing 7379 · Emergency Lighting
  > ON PREFLIGHT NOTED EXIT SIGN COVER AT SEAT 17F IS MISSING. GROUNDED - YES. REPLACED LENS IAW AMM 33-51-14.
- [SDR ASAA2025011355254](https://openairdocs.org/sdr/ASAA2025011355254.md): Lens · broken · Jan 13, 2025 · N929AK · Boeing 7379 · Emergency Lighting
  > LEFT AFT OVERWING EMERGENCY EXIT LIGHT-LENS SCREW BROKEN (ROW 17A). GROUNDED - YES. REPLACED LEFT AFT OVERWING EMERGENCY EXIT LIGHT LENS COVER, SEAMC ROBERT NOTIFIED.
- [SDR ASAA2023110246128](https://openairdocs.org/sdr/ASAA2023110246128.md): Fuel Nozzle · coked · Nov 2, 2023 · N929AK · Boeing 7379 · Fuel Injector Nozzle
  > TECH SERVICES FOLLOW UP ON CFM CNR 20231103005 #2 ENG (S/N 60A519) TREND DATA SHOWS FUEL NOZZLE PILOT COKING. (#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 -
- [SDR ASAA2023100445454](https://openairdocs.org/sdr/ASAA2023100445454.md): Unknown · unknown · Oct 4, 2023 · N929AK · Boeing 7379 · Communications System
  > SAT -1 NOT READY. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023083044847](https://openairdocs.org/sdr/ASAA2023083044847.md): Unknown · unknown · Aug 30, 2023 · N929AK · Boeing 7379 · Electrical Power System
  > ELEC LIGHT ILLUMINATED ON STARTUP. GROUNDED - YES. PERFORMED IFIM TASK 24-31-00-810-802. SPCU INOP.RESET ELECT LIGHT, RAN #1 ENGTO CONFIRM NO ELECT LIGHT ON PWR XFER.NO HISTORY 30 DAYS, SEAMC MIKE NOTIFIED.
- [SDR ASAA2023080544444](https://openairdocs.org/sdr/ASAA2023080544444.md): Heater · inoperative · Aug 5, 2023 · N929AK · Boeing 7379 · Pitot/Static Anti-Ice System
  > TEMP PROBE LIGHT ILLUMINATED. GROUNDED - YES. REPLACED TAT PROBE IAW AMM 34-21-06. OPS TEST GOOD. ALL PROBES HEAT AND LIGHT IS NO LONGER ILLUMINATED.
- [SDR ASAA2023062943803](https://openairdocs.org/sdr/ASAA2023062943803.md): Insert · pulled · Jun 29, 2023 · N929AK · Boeing 7379 · Pneumatic Distribution System
  > #2 ENG PNEUMATIC HPSOV LOCK COLLAR THREADED INSERT PULLED OUT. GROUNDED - YES. REMOVE HPSOV #2 ENG REF B737-9 AMM TASK 36-11-07-000-80 INSTALL HPSOV REF AMM TASK 36-11-07-400-801. OPS & LEAK CK GOOD, NO STATUS MSG OR MAINT LIGHT. REF AMM 36-11-07-400-801.
- [SDR ASAA2023062243701](https://openairdocs.org/sdr/ASAA2023062243701.md): Unknown · unknown · Jun 22, 2023 · N929AK · Boeing 7379 · Emergency Equipment
  > 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.
- [SDR ASAA2023052943422](https://openairdocs.org/sdr/ASAA2023052943422.md): Unknown · unknown · May 29, 2023 · N929AK · Boeing 7379 · Engine Fuel and Control
  > 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.
- [SDR ASAA2023052943421](https://openairdocs.org/sdr/ASAA2023052943421.md): Unknown · unknown · May 29, 2023 · N929AK · Boeing 7379 · Engine Fuel and Control
  > 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.
- [SDR ASAA2023052943420](https://openairdocs.org/sdr/ASAA2023052943420.md): Unknown · unknown · May 29, 2023 · N929AK · Boeing 7379 · Engine Fuel and Control
  > 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.
- [SDR ASAA2023052943392](https://openairdocs.org/sdr/ASAA2023052943392.md): Unknown · unknown · May 29, 2023 · N929AK · Boeing 7379 · Fuel Controlling System
  > 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
- [SDR ASAA2023052943390](https://openairdocs.org/sdr/ASAA2023052943390.md): Unknown · unknown · May 29, 2023 · N929AK · Boeing 7379 · Fuel Controlling System
  > 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
- [SDR ASAA2023040842774](https://openairdocs.org/sdr/ASAA2023040842774.md): Eec · faulty · Apr 8, 2023 · N929AK · Boeing 7379 · Fuel Controlling System
  > CFM IS REPORTING A POTENTIAL PROBLEM WITH #1 ENGINE EEC CHANNEL B VIBRATION ANALYSIS HEALTH MODULE(VAHM) WITHIN THE EEC. GROUNDED - YES. STEP1: ENG. 1 "B" EEC P/N 2474M64P06 S/N LPBM0878STEPS 2/3: "AVM PART NUMBER" SHOWS "NOT LOADED" REF. B737-9 AMM 73-21-05,
- [SDR ASAA2023033042665](https://openairdocs.org/sdr/ASAA2023033042665.md): Unknown · unknown · Mar 30, 2023 · N929AK · Boeing 7379 · HF Communications System
  > ENROUTE SAT-1 INDICATES NOT READY. GROUNDED - YES. RESET SATCOM C/B P18-2 PANEL E13. PERFORM BITE TEST IAW B737-9 AMM 20-15-00-740-801. SYSTEM TEST PASS NO 30 DAY HISTORY
- [SDR ASAA2023032442566](https://openairdocs.org/sdr/ASAA2023032442566.md): Unknown · unknown · Mar 24, 2023 · N929AK · Boeing 7379 · Ice/Rain Protection System
  > AT APPROX. 2000' AGL WITH ENGINE ANTI ICE ON AND AT FLIGHT IDLE. BOTH COWL VALVE LIGHTS ILLUMINATED MOMENTARILY AND BOTH DUCT PRESSURE NEEDLES STARTED FLUCTUATING BETWEEN 20-60 PSI WITH POWER UP WHEN CONFIGURED FOR LANDING. DUCT PRESSURE FLUCTUATION SETTLE BAC
- [SDR ASAA2023022442066](https://openairdocs.org/sdr/ASAA2023022442066.md): Charger · inoperative · Feb 24, 2023 · N929AK · Boeing 7379 · Battery/Charger System
  > ELEC CAUTION LIGHT ILLUMINATED DURING ENGINE START. LIGHT ILLUMINATED AND REMAINED ON. GROUNDED - YES. TROUBLESHOOTING PER B737-9 IFIM 24-31-00. PERFORMED ELEC LIGHT BITE TEST. FOUND AUX BAT CHGR INOP 1 MESSAGE. R & R MAIN & AUXILIARY BATTERY IAW B737-9 AMM 24
- [SDR ASAA2023010741533](https://openairdocs.org/sdr/ASAA2023010741533.md): Modulating Valve · failed · Jan 7, 2023 · N929AK · Boeing 7379 · Engine Bleed Air System
  > DURING ACCOMPLISHMENT OF ASA T/C31-005-00 RH BLEED FAULT FAMV RVDTR MSG 36-12031. GROUNDED - YES. REMOVED & REPLACED FAN AIR MODULATING VALVE ASSY PER ASA T/C M9-36CMPT-24668-1. REQ IDLE RUN & SYSTEM TEST. ACCOMPLISHED IDLE RUN #2 ENGINE & PERFORMED PNEUMATIC
- [SDR ASAA2022121041096](https://openairdocs.org/sdr/ASAA2022121041096.md): Fmc · failed · Dec 10, 2022 · N929AK · Boeing 7379 · Flight Management Computing Hardware System
  > DURING DESCENT WITH F/D SELECTED TO FO SIDE RECEIVED SINGLE FMC OPERATION MSG FO LOST COMMAND BARS, AND A/P WENT TO CWS PITCH AND ROLL VTK WAS DISPLAYED ON FO'S DISPLAY THIS LASTED FOR A COUPLE OF MINUTES THEN SYSTEM SEEMED TO RECOVER NORMAL OPS. GROUNDED - YE
- [SDR ASAA2022111240749](https://openairdocs.org/sdr/ASAA2022111240749.md): Shutoff Valve · faulted · Nov 12, 2022 · N929AK · Boeing 7379 · Engine Bleed Air System
  > RT BLEED LIGHT IS ON. GROUNDED - YES. FOUND R/H PRSOV FAULT 36-11-051 AND 36-00171. REPLACED #2 ENGINE PRSOV REF B737-9 AMM 36-11-04. PNEUMATIC LEAK CHECK AND OPS CHECK PASSED. PERFORMED LRU REPLACEMENT TEST AND PNEUMATIC ENGINE ON-SYSYEM TEST, ALL TEST PASSE
- [SDR ASAA2022110940691](https://openairdocs.org/sdr/ASAA2022110940691.md): Fmc · malfunctioned · Nov 9, 2022 · N929AK · Boeing 7379 · Flight Management Computing Hardware System
  > VNAV DISENGAGES AFTER 10 SECONDS OF USE. OBSERVED BEFORE TAKEOFF, CLIMB, AND CRUISE FLIGHT. FMC FUNCTIONS, IRS, GPS, LNAV, AND OTHER AUTOFLIGHT FUNCTIONS ARE NORMAL. APPROACHING THE TOD, WE GOT VERIFY POS: FMC - FMC IN THE SCRATCHPAD. WE DID THE FH 6.110 PROCE
- [SDR ASAA2022110840693](https://openairdocs.org/sdr/ASAA2022110840693.md): Satcom · locked · Nov 8, 2022 · N929AK · Boeing 7379 · Communications System
  > SATCOM LOCK UP. GROUNDED - YES. ASA QRH COMPLETED SATCOM RESET SUCCESSFULLY.
- [SDR ASAA2022102240422](https://openairdocs.org/sdr/ASAA2022102240422.md): Pressure Valve · inoperative · Oct 22, 2022 · N929AK · Boeing 7379 · Pneumatic Distribution System
  > AMBER BLEED#2 LIGHT ILLUMINATED DURING DESCENT INTO KEWR. GROUNDED - YES. PERFORMED OMF INTERROGATION,TEST REVEALED #2 ENG PRSOV VALVE FAILED CLOSED, REMOVED AND REPLACED #2 ENG PRSOV IAW B737-9 AMM 36-11-04, OPS CK, LEAK CK GOOD, MAINT LIGHT NO LONGER PRESENT
- [SDR ASAA2022091039918](https://openairdocs.org/sdr/ASAA2022091039918.md): Circuit Breaker · faulted · Sep 10, 2022 · N929AK · Boeing 7379 · HF Communications System
  > HF 2 FAIL LIGHT ON AUDIO PANEL. GROUNDED - YES. CYCLED HF #2 C/B HF 2 INDICATION RESTORED ON ALL RTP'S. VERIFIED GOOD RECEPTION AND CORRECT TRANSMIT TUNING TONE. REF B737-9 AMM 23-11-00. ETOPS GROUND VERIFICATION SUCCESSFUL.
- [SDR ASAA2022062838851](https://openairdocs.org/sdr/ASAA2022062838851.md): Fmc · false indication · Jun 28, 2022 · N929AK · Boeing 7379 · Flight Management Computing Hardware System
  > FMC DISAGREE DISPLAYED DURING PREFLIGHT. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM 34-61-00-810-918. OPS TEST NORMAL. DUAL FMC RESTORED.
- [SDR ASAA2022061238637](https://openairdocs.org/sdr/ASAA2022061238637.md): Datalink · failed · Jun 12, 2022 · N929AK · Boeing 7379 · Flight Management Computing Hardware System
  > ATC DATA LINK INDICATES FAIL. GROUNDED - YES. RESET FMC'S REF B737-9 AMM 34-61-00-720-899. CPDLC FUNCTION TEST OK "DATA LINK READY" ATC DATA LINK OPS RESTORED.
- [SDR ASAA2022053138511](https://openairdocs.org/sdr/ASAA2022053138511.md): Fmc · faulted · May 31, 2022 · N929AK · Boeing 7379 · Flight Management Computing Hardware System
  > FMC DISAGREE. GROUNDED - YES. CYCLED FMC #1 AND #2 C/B'S P18-2 A6 AND P6-1 D16 REF B737-9 IFIM 34-61-00-810-918. NO FAULTS/DISAGREE MSG AFTER RESET. ETOPS SIGNIFICANT SYSTEM GROUND VERIFICATION SUCCESSFUL.
- [SDR ASAA2022051338300](https://openairdocs.org/sdr/ASAA2022051338300.md): Anti-Ice System · fault message · May 13, 2022 · N929AK · Boeing 7379 · Airfoil Anti/De-ice System
  > "L VALVE" LIGHT ILLUMINATES WHEN WING ANTI ICE SWITCH IS ON. GROUNDED - YES. PERFORMED OPS CHK OF WING THERMAL ANTI ICE VALVE ON #1 ENGINE REF B737-9 AMM 30-11-11. OPS CHK GOOD, NO DEFECTS NOTED.
- [SDR ASAA2022050238189](https://openairdocs.org/sdr/ASAA2022050238189.md): Circuit Breaker · failed · May 2, 2022 · N929AK · Boeing 7379 · Independent Position Determining System
  > WXR FAIL. GROUNDED - YES. RECEIVED MAINT MSG 34-43100 - PULLED AND RESET C/B D13 ON P6-1 DHL PERFORMED 1 B737-9 FIM TASK 34-41-00-810-836 NO ACTIVE MAINT MSG PERFORMED WEATHER RADAR OPERATIONAL TEST IAW B737-9 AMM 34-41-00-710-801. OPS CHECK GOOD NO FAILURES N
- [SDR ASAA2022041338040](https://openairdocs.org/sdr/ASAA2022041338040.md): Unknown · failed · Apr 13, 2022 · N929AK · Boeing 737 · Air Intake Anti/De-Ice System
  > ENGINE ANTI ICE ON, THE ANTI ICE PANEL CAUTION LIGHTS STARTED TO FLASH FOLLOWED BY THE DUCT PRESSURE GAUGES FLUCTUATED FROM 60-0 ON BOTH NEEDLES. GROUNDED - YES. NO RELATED FAULTS LOGGED ON OMS SYS WITH ENG'S RUN - BLEEDS ON TOGETHER OR SEPARATE, DUCT PRESS FL
- [SDR ASAA2022041237977](https://openairdocs.org/sdr/ASAA2022041237977.md): Control Unit · overheated · Apr 12, 2022 · N929AK · Boeing 7379 · Windshield/Door Rain/Ice Removal
  > FWD RIGHT WINDOW HEAT OVERHEAT LT CAME ON IN DESCENT. RAN QRH AND WOULD NOT RESET. GROUNDED - YES. REMOVED AND REPLACED NO. 2 WINDOW HEAT CONTROL UNIT. OPS CHECK GOOD. REF B737-9 AMM 30-41-11.
- [SDR ASAA2022030237602](https://openairdocs.org/sdr/ASAA2022030237602.md): Unknown · unknown · Mar 2, 2022 · N929AK · Boeing 7379 · Flight Management Computing Hardware System
  > "FMC DISAGREE" DISPLAYED ON BOTH MCDUS. GROUNDED - YES. PERFORMED B737-9 IFIM 34-61-00-810-918 FMC'S RETURNED TO NORMAL, NO FAULTS OK FOR SERVICE GRD VERIFICATION SUCCESSFUL.
- [SDR ASAA2022011637175](https://openairdocs.org/sdr/ASAA2022011637175.md): Igniter · inoperative · Jan 16, 2022 · N929AK · Boeing 7379 · Ignition Harness (Distribution)
  > DURING PRE-FLIGHT, OVERHEAD PANEL "MAINT" FOUND ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED #2 ENG R/H IGNITER PLUG REF B737-9 AMM 74-21-02. POWER PLANT TEST REF AMM 71-00-00. OPS TEST GOOD. MTX INHIBIT RESET.
- [SDR ASAA2022010737097](https://openairdocs.org/sdr/ASAA2022010737097.md): Unknown · unknown · Jan 7, 2022 · N929AK · Boeing 7379 · Flight Management Computing Hardware System
  > AT CRUISE FMC IS IN CRUISE MODE BUT ND THRUST MODE DISPLAY ABOVE THE ENGINE READOUT SHOWS CLB. DURING DESCENT FMC DISPLAYS DESCENT AND THRUST MODE INDICATES CRZ. GROUNDED - YES. CK OUT OF BOTH FMCS FIXED OUTPUTS THRU MCDU CKS NML. FMCS SYSTEMS TEST NML IAW B73
- [SDR ASAA2022010137070](https://openairdocs.org/sdr/ASAA2022010137070.md): Unknown · unknown · Jan 1, 2022 · N929AK · Boeing 7379 · Fuel Controlling System
  > "ENG 1 EEC C1" FAULT FOUND ON SMT. MAINT MSG 73-43981 - ELECTRONIC OVERSPEED THRUST CONTROL MALFUNCTION ACCOMODATION TEST FAILED. GROUNDED - YES. VERIFIED NO OMF EXISTING FAULTS, REF B737-9 IFIM TASK G73-21-00-810-994.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE n_number = 'N929AK' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N929AK/reports

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