# Service difficulty reports: N935AK

A list on [N935AK](https://openairdocs.org/aircraft/N935AK.md).

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

- [SDR ASAA2026022264471](https://openairdocs.org/sdr/ASAA2026022264471.md): Strip · cracked · Feb 22, 2026 · N935AK · Boeing 7379 · Emergency Lighting
  > FWD GALLEY AC LEFT PHOTOLUMINESCENT LENSE CRACKED. GROUNDED - YES. REMOVED AND REPLACED FWD GALLEY AC LEFT PHOTOLUMINESCENT IAW AMM 33-51-15. OPS CK GOOD.
- [SDR ASAA2026022264470](https://openairdocs.org/sdr/ASAA2026022264470.md): Strip · missing · Feb 22, 2026 · N935AK · Boeing 7379 · Emergency Lighting
  > PHOTOLUMOINESCENT STRIP AFT GALLEY NEAR LAV E MISSING 3 INCHES. GROUNDED - YES. REMOVED AND REPLACED PHOTOLUMINESCENT STRIP NEAR LAV E IAW AMM 33-51-15. OPS CK GOOD.
- [SDR ASAA2026022264469](https://openairdocs.org/sdr/ASAA2026022264469.md): Strip · missing · Feb 22, 2026 · N935AK · Boeing 7379 · Emergency Lighting
  > PHOTOLUMINESCENT STRIP FWD GALLEY MISSING 3.5 INCHES AC LEFT. GROUNDED - YES. REMOVED AND REPLACED FWD GALLEY LEFT AC PHOTOLUMINESCENT STRIP IAW AMM 33-51-15.OPS CK GOOD.THIS CLEARS MEL 33-51-03A. PLACARD REMOVED.
- [SDR ASAA2026010863753](https://openairdocs.org/sdr/ASAA2026010863753.md): Battery Pack · no test · Jan 8, 2026 · N935AK · Boeing 7379 · Emergency Lighting
  > L2 DOOR EMERGENCY EXIT LIGHT FAIL CAPACITY CHECK. SRXR430X. GROUNDED - YES. REPLACED BATTERY PACT AFT PASSENGER DOOR L2 IAW AMM 33-51-06-960-802, OPERATIONAL TEST GOOD.
- [SDR ASAA2025050757797](https://openairdocs.org/sdr/ASAA2025050757797.md): Lamp · inoperative · May 7, 2025 · N935AK · Boeing 7379 · Emergency Lighting
  > WHILE PERFORMING T/C 33-010-00 FOUND LH EMERGENCY SLIDE LIGHT AND R2 DOOR EMERGENCY LIGHT INOP. GROUNDED - YES. REMOVED AND REPLACED LAMPS AT LH OVERWING LIGHT AND R2 DOOR SLIDE LIGHT REF AMM 33-51-04. OPS CHECK GOOD, NO FURTHER DEFECTS.
- [SDR ASAA2024102853461](https://openairdocs.org/sdr/ASAA2024102853461.md): Lens · missing · Oct 28, 2024 · N935AK · Boeing 7379 · Emergency Lighting
  > EXIT ROW SIGN MISSING AT FLOOR LEVEL. GROUNDED - YES. INSTALLED EXIT ROW COVER AT FLOOR IV R/H SIDE REF MM 25.60.00.
- [SDR ASAA2023102445835](https://openairdocs.org/sdr/ASAA2023102445835.md): Unknown · unknown · Oct 24, 2023 · N935AK · Boeing 7379 · Airfoil Anti/De-ice System
  > WING A/I L VALVE REMAINED ON W/ ANTI ICE SWITCH ON QRH FOLLOWED - NO RESOLUTION. GROUNDED - YES. PERFORMED B737-9 IFIM TASK 30-11-00-810-808. VALVE STAYS CLOSED DURING BOTH ON/OFF SELECTION WITH LIGHT STAYING ON. PERFORMED HEALTH CHECK PER FIM STEP C REF B737-
- [SDR ASAA2023101545640](https://openairdocs.org/sdr/ASAA2023101545640.md): Unknown · unknown · Oct 15, 2023 · N935AK · Boeing 7379 · HF Communications System
  > CREW REPORTS HF #2 INDICATES FAIL W/ A SELECTION OF DIFFERENT FREQ BRIEFLY RESTORING, THEN BACK TO FAIL. GROUNDED - YES. CONFIRMED, CYCLED POWER TO HF #2. NORMAL OPERATION RESTORED. CONFIRMED CORRECT RECEPTION AUDIO AND TUNING TONE HEARD. ETOPS GROUND VERIFICA
- [SDR ASAA2023081344597](https://openairdocs.org/sdr/ASAA2023081344597.md): Unknown · unknown · Aug 13, 2023 · N935AK · Boeing 7379 · Engine Starting System
  > START VALVE FAIL TO CUT-OUT. RAN CHECKLIST. START VALVE LIGHT WENT OUT. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023070643907](https://openairdocs.org/sdr/ASAA2023070643907.md): Filter · unknown · Jul 6, 2023 · N935AK · Boeing 7379 · AC Generator-Alternator
  > ON PDC WALK AROUND FOUND #1 IDG PDI (PRESS. DIF. IND.) POPPED. GROUNDED - YES. PERFORMED IFIM TASK 24-11-00-810-805. FOUND DPI EXTENDED. PERFORMED IDG SCAVENGE AND CHARGE FILTER INSPECTION. NO DEFECTS NOTED AT THIS TIME. REPLACED IDG SCAVENGE AND CHARGE FILTER
- [SDR ASAA2023062743762](https://openairdocs.org/sdr/ASAA2023062743762.md): Unknown · unknown · Jun 27, 2023 · N935AK · Boeing 7379 · APU Start/Ignition System
  > APU FAULT LIGHT ILLUMINATED. GROUNDED - YES. BITE CHECKED APU REF AMM CH 49-61-00-700-801, FOUND NEW ACTIVE FAULT MAINT MESSAGE 49-41254 START CONVERTER UNIT SHOWS START SYSTEM INOP, OCCURRED AT 1852Z 27JUN2023. IN FAULT HISTORY FOUND THAT MAINT MESSAGE OCCURR
- [SDR ASAA2023060643493](https://openairdocs.org/sdr/ASAA2023060643493.md): Unknown · unknown · Jun 6, 2023 · N935AK · Boeing 7379 · Doors
  > 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.
- [SDR ASAA2023051443230](https://openairdocs.org/sdr/ASAA2023051443230.md): Unknown · unknown · May 14, 2023 · N935AK · Boeing 7379 · Navigation System
  > WEATHER RADAR FAIL. GROUNDED - YES. C/W B737-9 IFIM TEST 31-00-00-010-803. FOUND OBSERVED FAULT 34-33-0731 AND 34-33-073-0732 WXR FAIL FLAG ON CAPT NAV DISPLAY WITH MAINT MESSAGE 34-43100 WXR PROCESSOR 1 INT FAULT. C/W WXR OP TEST PER B737-9 AMM 34-41-00-710-8
- [SDR ASAA2023051143200](https://openairdocs.org/sdr/ASAA2023051143200.md): Unknown · unknown · May 11, 2023 · N935AK · Boeing 7379 · Autopilot System
  > SPEED TRIM FAIL LIGHT ILLUMINATED. GROUNDED - YES. REF B737-9 IFIM 22-11-00-810-D73. ONCE A/C WAS PROPERLY ALIGNED, SPEED TRIM FAIL LT EXTINGUISHED. THIS IS NORMAL. NO FURTHER ACTION REQ'D.
- [SDR ASAA2023050543154](https://openairdocs.org/sdr/ASAA2023050543154.md): Unknown · unknown · May 5, 2023 · N935AK · Boeing 7379 · Flight Management Computing Hardware System
  > CAPT FMC BLANK. GROUNDED - YES. RESET CAPT FMC PER B737-9 AMM 34-61-00FMC OPS CK OK.
- [SDR ASAA2023022142026](https://openairdocs.org/sdr/ASAA2023022142026.md): Unknown · unknown · Feb 21, 2023 · N935AK · Boeing 7379 · Flight Management Computing Hardware System
  > LEFT CDU ON LEGS PAGE INTERMITTENTLY EXECUTES W/OUT COMMAND. GROUNDED - YES. RESET BOTH CAPTAINS & F/O CDU'S IAW BOEING 737-9 AMM 34-61-01.
- [SDR ASAA2023011741531](https://openairdocs.org/sdr/ASAA2023011741531.md): Warning Message · false activation · Jan 13, 2023 · N935AK · Boeing 7379 · Wind Shear Detection System
  > PREDICTIVE WINDSHEAR WARNING AHEAD ON FINAL APPROACH, RADAR LOCKED CLEAR WITH ONLY LIGHT PRECIP. WARNING WENT AWAY AND THEN RETURNED ONCE AIRCRAFT WAS ON THE GROUND WITH WHEEL SPOOL UP. GROUNDED - YES. RAN B737-9 IFIM TASK 31-00-00-810-803, NO EXISTING OR INBO
- [SDR ASAA2022122141211](https://openairdocs.org/sdr/ASAA2022122141211.md): Fmc · faulted · Dec 21, 2022 · N935AK · Boeing 7379 · Flight Management Computing Hardware System
  > FMC DISAGREE DISPLAYED ON FMC. GROUNDED - YES. WENT AWAY AFTER QRH RESET.
- [SDR ASAA2022113040988](https://openairdocs.org/sdr/ASAA2022113040988.md): Warning Light · false activation · Nov 30, 2022 · N935AK · Boeing 7379 · Windshield/Door Rain/Ice Removal
  > WINDOW HEAT R SIDE ILLUMINATED "OVERHEAT" QRH RESOLVED ISSUE. GROUNDED - YES. ACCOMP WINDOW OVER HEAT TEST, TEST PASS FOR ALL WINDOWS. REF B737-9 AMM 30-41-11-860-007.
- [SDR ASAA2022112640931](https://openairdocs.org/sdr/ASAA2022112640931.md): Anti-Ice Valve · faulted · Nov 26, 2022 · N935AK · Boeing 7379 · Airfoil Anti/De-ice System
  > WING ANTI ICE L VALVE DISAGREEMENT LIGHT REMAINED ILLUMINATED WITH WING ANTI ICE SWITCH ON. LH WING REMAINED ICE COVERED UNTIL THAWED BY WARMER OUTSIDE AIR. GROUNDED - YES. THERE WAS MOISTURE ON INLET SENSE LINE. REMOVED AND REPLACED L/H WING ANTI ICE VALVE RE
- [SDR ASAA2022101640323](https://openairdocs.org/sdr/ASAA2022101640323.md): Fmc · fault message · Oct 16, 2022 · N935AK · Boeing 7379 · Flight Management Computing Software System
  > DURING DECENT, FMC DISAGREE - VERTICAL MESSAGE OCCURRED DURING MUCH OF THE TIME. THE MESSAGE DID NOT CONTINUE IN THE APPROACH PHASE. GROUNDED - YES. FOLLOWED B737-9 IFIM 34-61-00-810-918 FOR FMC DISAGREE. FAULT CLEARED FIM PROCEDURE, OPS CHECK GOOD. NO HISTORY
- [SDR ASAA2022100840205](https://openairdocs.org/sdr/ASAA2022100840205.md): Fms · warning light · Oct 8, 2022 · N935AK · Boeing 7379 · Flight Management Computing Hardware System
  > AT CRUISE FL360 VTK APPEARED ON FO'S NAV DISPLAY. LNAV DISENGAGED AND AUTOPILOT WENT INTO CWS. AFTER 30 SECONDS, VTK CLEARED AND RESUMED NORMAL OPS. GROUNDED - YES. PER B737-9 IFIM 31-00-00-810-803, OMF IFDE LOGGED MSG FO VTK FLAG 34-69002. REF IFIM 34-61-00-8
- [SDR ASAA2022090539817](https://openairdocs.org/sdr/ASAA2022090539817.md): Fmc · faulted · Sep 5, 2022 · N935AK · Boeing 7379 · Flight Management Computing Hardware System
  > FMC DISAGREE MSG ON GROUND. GROUNDED - YES. RAN ASA QRH. MSG CLEARED.
- [SDR ASAA2022072539213](https://openairdocs.org/sdr/ASAA2022072539213.md): Relay · faulty · Jul 25, 2022 · N935AK · Boeing 7379 · Pitot/Static Anti-Ice System
  > LEFT ELEV PITOT LIGHT ILLUMINATED AFTER ENGINE START. GROUNDED - YES. REPLACED RELAY R1070 PROBE AUTO HEAT RELAY "A." REF 737 SWPM 20-81 AND B737-9 WDM 30-31-11-1 SHEET 1.
- [SDR ASAA2022072239183](https://openairdocs.org/sdr/ASAA2022072239183.md): Pitot Tube · faulty · Jul 22, 2022 · N935AK · Boeing 7379 · Pitot/Static Anti-Ice System
  > AFTER LANDING WHEN LEFT PROBE HEAT WAS SWITCHED TO AUTO THE L ELEV PITOT LIGHT ILLUMINATED. GROUNDED - YES. REPLACED L/H ELEV PITOT PROBE IAW B737-9 AMM 27-31-94.
- [SDR ASAA2022071739079](https://openairdocs.org/sdr/ASAA2022071739079.md): Pitot System · warning light · Jul 17, 2022 · N935AK · Boeing 7379 · Pitot/Static Anti-Ice System
  > L ELEV PITOT HEAT LIGHT ON AFTER ENG START WITH PROBE HEAT SWITCHES IN AUTO. GROUNDED - YES. INSPECTED PITOT PROBE, C/W B737-9 AMM TASK 30-31-00-730-801 SUB TASK 30-31-00-750-801 OPS CHECK GOOD. LH ELEVATOR PITOT HEAT LT REMAINS OFF.
- [SDR ASAA2022071239044](https://openairdocs.org/sdr/ASAA2022071239044.md): Probe · warning light · Jul 12, 2022 · N935AK · Boeing 7379 · Pitot/Static Anti-Ice System
  > AFTER LANDING WHEN A PROBE HEAT PLACED TO AUTO, L ELEV PITOT LIGHT ILLUMINATED. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM TASK 30-31-00-810-803. L ELEVATOR PITOT LIGHT NOT ILLUMINATED DURING CHECK.
- [SDR ASAA2022071038979](https://openairdocs.org/sdr/ASAA2022071038979.md): Fmc · faulted · Jul 10, 2022 · N935AK · Boeing 7379 · Flight Management Computing Hardware System
  > FMC DISAGREE. GROUNDED - YES. QRH PROCEDURE WAS ACCOMPLISHED ON INITIAL SET UP ON AIRCRAFT. FMC DISAGREE WAS REMOVED AT THE COMPLETION OF THE QRH.
- [SDR ASAA2022070338915](https://openairdocs.org/sdr/ASAA2022070338915.md): Converter · failed · Jul 3, 2022 · N935AK · Boeing 7379 · APU Start/Ignition System
  > APU FAULT LIGHT DURING 2 APU START ATTEMPTS ON THE GROUND AFTER LANDING. GROUNDED - YES. PERFORMED B737-9 IFIM 31-00-00-810-803 FOUND FAULT 49-41254 START CONVERTER UNIT FAULT. REF APU BITE REF B737-9 AMM 49-61-00-700-801 PERFORMED IFIM 49-40-00-810-818. PER F
- [SDR ASAA2022070138902](https://openairdocs.org/sdr/ASAA2022070138902.md): Autopilot Sys · warning light · Jul 1, 2022 · N935AK · Boeing 7379 · Autopilot System
  > PRIOR TO DESCENT MASTER CAUTION RECALL PUSHED. "FLT CONT" ILLUMINATED ALONG WITH "SPEED TRIM FAIL" LIGHT. BOTH LIGHTS EXTINGUISHED WHEN MASTER CAUTION LIGHT IS PRESSED. GROUNDED - YES. LAST LEG FCC B FAULTED SPEED TRIM. FCC A NO FAULTS. PERFORMED B737-9 IFIM 2
- [SDR ASAA2022060438583](https://openairdocs.org/sdr/ASAA2022060438583.md): Apu · false indication · Jun 4, 2022 · N935AK · Boeing 7379 · APU Cowling/Containment
  > APU FAULT LIGHT ILLUMINATED ON APU START. GROUNDED - YES. UPON INSP FOUND APU INLET DOOR 1/3 OPEN WITHOUT A/C EXT PWR. AFTER SUPPLYING EXT PWR NO STATUS MSG SHOWN FOR APU FAULTS. STARTED APU MULTIPLE TIMES WITHOUT APU STATUS MSG OR FAULTS. INLET DOOR OPERATES
- [SDR ASAA2022053138512](https://openairdocs.org/sdr/ASAA2022053138512.md): Flight Dir · failed · May 31, 2022 · N935AK · Boeing 7379 · Flight Management Computing Hardware System
  > CPT F/D DOES NOT ILLUMINATE THE MASTER AND F/D DOES NOT POP UP WHEN MODES SELECTED. GROUNDED - YES. PERFORMED RESET PER B737-9 AMM 34-61-01/201 ON FMC #1. OPS TEST OK.
- [SDR ASAA2022051338306](https://openairdocs.org/sdr/ASAA2022051338306.md): Fmc · warning light · May 13, 2022 · N935AK · Boeing 7379 · Flight Management Computing Hardware System
  > OVERHEAD MAINT LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM 34-61-00-810-818 INITIAL EVALUATION FAULT 34-60191 IS NO LONGER ACTIVE.
- [SDR ASAA2022051338305](https://openairdocs.org/sdr/ASAA2022051338305.md): Tat Probe · warning light · May 13, 2022 · N935AK · Boeing 7379 · Flight Management Computing Hardware System
  > OVERHEAD MAINT LIGHT ILLUMINATED WHEN CLEARING RUNWAY. GROUNDED - YES. TAT DISAGREE ON STATUS PAGE, NO FAULTS ON ADIRU BITE & FMC BITE. AFTER TURNING TAT HEAT ON MSG 34-60191 BECAME ERASABLE REF B737-9 IFIM 34-61-00-810-838.
- [SDR ASAA2022050738224](https://openairdocs.org/sdr/ASAA2022050738224.md): Fmc · false indication · May 7, 2022 · N935AK · Boeing 7379 · Flight Management Computing Hardware System
  > FMC P/RST ILLUMINATED WITH VTK DISPLAYED ON CAPT'S SIDE. MENU DISPLAYED ON BOTH FMC'S SCRATCH PADS. LASTED 30 SEC. RETURNED TO NORMAL OPS. GROUNDED - YES. CYCLED POWER TO FMC 1. OPS RESTORED CHECKS OK REF B737-9 FIM TASK 34-61-00-810-918.
- [SDR ASAA2022050738223](https://openairdocs.org/sdr/ASAA2022050738223.md): Processor · faulty · May 7, 2022 · N935AK · Boeing 7379 · Independent Position Determining System
  > WX FAIL DISPLAYED ON ND, NO RADAR DATA, RADAR TEST FAIL. GROUNDED - YES. FAULT CODE 343 307 32 WXR FAIL PROCESSOR 1 INTERNAL FAULT. REPLACED #1 WX PROCESSOR REF B737-9 AMM 34-41-42-400-801. OPS TEST NORMAL REF AMM 34-41-00-710-801.
- [SDR ASAA2022050538206](https://openairdocs.org/sdr/ASAA2022050538206.md): Annunciator · faulted · May 5, 2022 · N935AK · Boeing 7379 · Battery Overheat Warning System
  > "ELEC" ANNUCIATOR ILLUMINATED AFTER LANDING. GROUNDED - YES. BITE PROCEDURE ACCOMPLISHED IAW B737-9 AMM 24-31-00 FAULT MSG STAT INV INOP SEEN ON ANNOUNCIATOR PANEL B737-9 FIM TASK 24-31-00-810-811 ACCOMPLISHED FAULT CLEARED. SYSTEM CONSIDERED SERVICEABLE.

## 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 = 'N935AK' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N935AK/reports

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