# Service difficulty reports: N952AK

A list on [N952AK](https://openairdocs.org/aircraft/N952AK.md).

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

- [SDR ASAA2026062466997](https://openairdocs.org/sdr/ASAA2026062466997.md): Lamp · inoperative · Jun 24, 2026 · N952AK · Boeing 7379 · Emergency Lighting
  > EMERGENCY LIGHT BEHIND L2 DOOR OUTER FUSELAGE INOPERATIVE. GROUNDED - YES. REPLACED LAMPS BEHIND L2 DOOR OUTER FUSELAGE AND OPS CHECK TESTED GOOD. IAW AMM 33-51-04-960-801.
- [SDR ASAA2024082752153](https://openairdocs.org/sdr/ASAA2024082752153.md): Support · corroded · Aug 27, 2024 · N952AK · Boeing 7379 · Fuselage Miscellaneous Structure
  > FORWARD CARGO COMPARTMENT STA. 500I AFT BULKHEAD LOWER CENTER SUPPORT IS CORRODED. GROUNDED - YES. EVALUATED CORROSION OF SUPPORT, FOUND TO BE CORRODED MULTIPLE AREAS THAT EXCEED 10% WIDTH OF LOWER FLANGE, FOUND TO BE OUT OF LIMITS IAW B737-MAX SRM 53-00-53-1A
- [SDR ASAA2023111246160](https://openairdocs.org/sdr/ASAA2023111246160.md): Unknown · unknown · Nov 12, 2023 · N952AK · Boeing 7379 · Airfoil Anti/De-ice System
  > L VALVE CAUTION LIGHT REMAINED ILLUMINATED WHEN THE WING ANTI ICE SWITCH WAS ON WHEN THE SWITCH WAS TURNED OFF, THE LIGHT WENT OUT. GROUNDED - YES. PERFORED AMM 30-11-11-200-801. OPS CHECK NROMAL. NO DEFECTS NOTED. OK FOR SERVICE.
- [SDR ASAA2023110646058](https://openairdocs.org/sdr/ASAA2023110646058.md): Unknown · unknown · Nov 6, 2023 · N952AK · Boeing 7379 · Windshield/Door Rain/Ice Removal
  > LEFT FORWARD WINDOW HEAT OVERHEAT. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROL UNIT TEST FOUND L/H FORWORD #1 WINDOW P5-9 L/H FORWORD #2 WINDOW P5-9 R/H FORWORD #1 WINDOW P5-9 R/H FORWORD WINDOW BIT OKAY. R/R WINDOW HEAT CONTROL UNIT PER AMM 30-41-11-000-801
- [SDR ASAA2023102545844](https://openairdocs.org/sdr/ASAA2023102545844.md): Unknown · unknown · Oct 25, 2023 · N952AK · Boeing 7379 · APU Start/Ignition System
  > APU FAULT LIGHT ON WHILE ATTEMPTING START. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023101545671](https://openairdocs.org/sdr/ASAA2023101545671.md): Unknown · unknown · Oct 15, 2023 · N952AK · Boeing 7379 · APU Start/Ignition System
  > APU FAULT LIGHT UPON STARTING AFTER LANDING. GROUNDED - YES. CONDUCTED FAULT ISOLATION PROCEDURES PER B737-9 FIM 31-00-00-810-803. NO PRESENT FAULTS. APU START SUCCESSFUL. NO APU FAULT HISTORY. OK FOR SERVICE.
- [SDR ASAA2023091845200](https://openairdocs.org/sdr/ASAA2023091845200.md): Unknown · unknown · Sep 18, 2023 · N952AK · Boeing 7379 · Flight Management Computing Hardware System
  > BOTH NAVS DISPLAYS HAVE "FMC DISAGREE" ALERT MESSAGE. GROUNDED - YES. PERFORMED IFIM 34-61-00-810-918, CYCLED FMCS C/BS FMC DISAGREE MESSAGES EXTINGUISHEDSEAMC CHRIS NOTIFIED.
- [SDR ASAA2023082944837](https://openairdocs.org/sdr/ASAA2023082944837.md): Unknown · unknown · Aug 29, 2023 · N952AK · Boeing 7379 · Engine Bleed Air System
  > REF T/C 31-005-00 #1 ENG HAS SMT MESSAGE "BLEED FAMV RVDT L" WITH ASSOCIATED CORRELATED FAULT 36-12030 "ENGINE 1 FAMV RVDT SIGNAL IS OUT OF RANGE. DETECTED BY: INTEGRATED AIR SYSTEMS CONTROLLER. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023082644814](https://openairdocs.org/sdr/ASAA2023082644814.md): Unknown · unknown · Aug 26, 2023 · N952AK · Boeing 7379 · Airborne Auxiliary Power Unit (APU) System
  > APU OIL QTY INDICATION STATUS MESSAGE, 49-94304. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023081244579](https://openairdocs.org/sdr/ASAA2023081244579.md): Unknown · unknown · Aug 12, 2023 · N952AK · Boeing 7379 · APU Oil System
  > APU OIL QTY STATUS MESSAGE, MAINTENANCE, MESSAGE 49-94304 DISPLAYED. GROUNDED - YES. TROUBLESHOT IAW FIM 49-90-00-810-811. PERFORMED INITIAL EVALUATION. OMF SHOWED NOT ACTIVE FOR MAINTENANCE MSG 49-94304. FIM STATES THERE WAS AN INTERMITTENT FAULT. REF L/P 60
- [SDR ASAA2023081044524](https://openairdocs.org/sdr/ASAA2023081044524.md): Unknown · unknown · Aug 10, 2023 · N952AK · Boeing 7379 · APU Oil System
  > DURING ETOPS PDC OIL LEVEL CHECK, APU OIL LEVEL DISAPPEARED AND MAINT. LIGHT CAME ON. GROUNDED - YES. PERFORMED B737-9 FIM TASK FOR MSG 49-94304. OIL LEVEL SENSOR FAILURE. AFTER INITIAL EVALUATION TEST, ALL INDICATIONS RETURNED TO NORMAL. MAINT LIGHT EXTINGUIS
- [SDR ASAA2023072044141](https://openairdocs.org/sdr/ASAA2023072044141.md): Modulating Valve · faulty · Jul 20, 2023 · N952AK · Boeing 7379 · Pneumatic Distribution System
  > REF T/C 31-005-00SMT "BLEED FAMV RVDT L" MESSAGE SHOWS WITH CORROLATED MAINTENANCE MESSAGE 36-12030 "ENG 1 FAMV RVDT SIGNAL IS OUT OF RANGE". GROUNDED - YES. (RESOLVED ON W/O: 1961274 TASKCARD: N/R-00001) REMOVED AND REPLACED FAMV ON #1 ENG. PERFORMED ELECTRI
- [SDR ASAA2023062943804](https://openairdocs.org/sdr/ASAA2023062943804.md): Unknown · unknown · Jun 29, 2023 · N952AK · Boeing 7379 · Pneumatic Distribution System
  > BLEED FAMV RVDT L FAULT CODE 36145241 FOUND #1 ENGINE. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023062643766](https://openairdocs.org/sdr/ASAA2023062643766.md): Unknown · unknown · Jun 26, 2023 · N952AK · Boeing 7379 · Fuel Controlling System
  > "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 NOTIFI
- [SDR ASAA2023060943533](https://openairdocs.org/sdr/ASAA2023060943533.md): Unknown · unknown · Jun 9, 2023 · N952AK · Boeing 7379 · Independent Position Determining System
  > 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 NORMALL
- [SDR ASAA2023052243312](https://openairdocs.org/sdr/ASAA2023052243312.md): Computer · faulted · May 22, 2023 · N952AK · Boeing 7379 · Autopilot System
  > AT CRUISE AFTER EXPERIENCING A SLIGHT WAVE WITH AUTOPILOT ON, PITCH TRIM CONTINUED TRIMMING UP THEN DOWN UNTIL A/P WAS TURNED OFF. GROUNDED - YES. REMOVED AND REPLACED FCC-B, REF B737-9 AMM 22-11-33.
- [SDR ASAA2023031442348](https://openairdocs.org/sdr/ASAA2023031442348.md): Unknown · unknown · Mar 14, 2023 · N952AK · Boeing 7379 · Flight Management Computing Hardware System
  > FMC DISAGREE WHILE ON THE GROUND. GROUNDED - YES. PERFORMED RESET PROCEDURE PER QRH. CLEARED.
- [SDR ASAA2023031242322](https://openairdocs.org/sdr/ASAA2023031242322.md): Unknown · unknown · Mar 12, 2023 · N952AK · Boeing 7379 · Autopilot System
  > HGS AUTOLAND FAILED. "NO AIII". GROUNDED - YES. ACCOMPLISHED HGS SYSTEM TEST REF COLLINS AEROSPACE HGS 6000 SMM 34-36-52 NO EXISTING FAULTS.
- [SDR ASAA2023031242319](https://openairdocs.org/sdr/ASAA2023031242319.md): Unknown · unknown · Mar 12, 2023 · N952AK · Boeing 7379 · Pitot/Static Anti-Ice System
  > R ELEVATOR PITOT HEAT LIGHT ILLUMINATED INTERMITTENTLY AFTER LANDING AND DURING TAXI IN. GROUNDED - YES. C/W B737-9 IFIM TASK 30-11-00-810-807 RT ELEV PITOT LIGHT OPS CKS NORMAL AFTER RESET.
- [SDR ASAA2023030442234](https://openairdocs.org/sdr/ASAA2023030442234.md): Unknown · unknown · Mar 4, 2023 · N952AK · Boeing 7379 · APU Oil System
  > AMBER MAINT LIGHT ILLUMINATED. GROUNDED - YES. MDS STATUS INDICATES APU OIL QTY WITH A CORRELATED MAINTENANCE MESSAGE WITHIN EXTENDED - FAULT HISTORY: 49-94304 - NON-ACTIVE. ERASED LATCHED MESSAGE. RESTARTED APU AND OBSERVED CORRECT OIL QTY DISCRETE. FAULT DOE
- [SDR ASAA2023030342191](https://openairdocs.org/sdr/ASAA2023030342191.md): Starter · none · Mar 3, 2023 · N952AK · Boeing 7379 · Engine Cranking
  > CFM IS REPORTING #2 ENGINE ODMS CHIP COUNT INCREASE ON A SINGLE FLIGHT. GROUNDED - YES. PERF ODMS SENSOR INSP IAW B737-9 AMM 79-00-00. PARTICLES CANNOT BE VISUALLY IDENTIFIED, TO BE SENT TO LAB FOR IDENTIFICATION. ODMS BUILDUP IS NORMAL FUZZ LEVEL. PERF SCAVEN
- [SDR ASAA2023030142195](https://openairdocs.org/sdr/ASAA2023030142195.md): Igniter · faulty · Mar 1, 2023 · N952AK · Boeing 7379 · Ignition Harness (Distribution)
  > DURING #1 ENG START, IGN R DID NOT START ENGINE. GROUNDED - YES. REMOVED AND REPLACED ENG #1 RIGHT IGNITER IN REFERENCE WITH B737-9 AMM TASK 74-21-02.
- [SDR ASAA2023030142194](https://openairdocs.org/sdr/ASAA2023030142194.md): Igniter · faulty · Mar 1, 2023 · N952AK · Boeing 7379 · Ignition Harness (Distribution)
  > MAINT LIGHT ILLUMINATED UPON LANDING. GROUNDED - YES. REMOVED AND REPLACED ENG #1 RIGHT IGNITER IN REFERENCE WITH B737-9 AMM TASK 74-21-02. MAINT LIGHT EXTINGUISHED. SEE ASA L/P 60589759.
- [SDR ASAA2023022142029](https://openairdocs.org/sdr/ASAA2023022142029.md): Unknown · unknown · Feb 21, 2023 · N952AK · Boeing 7379 · Fuel Controlling System
  > REF T/C 05-020-01 INTERROGATE SMT DISPLAY SYSTEM FOR ENG FAULTS, FOUND ENG 2 EEC C1 & ENG 2 EEC C2 FAULTS SET. GROUNDED - YES. FOUND NUMEROUS FAULTS RELATED TO ENG 2 EEC CH-B INTERNAL FAULTS, MSG 77-09004. FAULTS SET 12 LEGS AGO. OTHER FAULT CODES WERE 78-4434
- [SDR ASAA2023021941975](https://openairdocs.org/sdr/ASAA2023021941975.md): Unknown · unknown · Feb 19, 2023 · N952AK · Boeing 7379 · Flight Management Computing Hardware System
  > FMC DISAGREE WARNING ON GROUND. GROUNDED - YES. ACCOMPLISHED RESET PROCEDURE PER QRH. FAULT/WARNING CLEARED.
- [SDR ASAA2023012391588](https://openairdocs.org/sdr/ASAA2023012391588.md): Transceiver · failed · Jan 19, 2023 · N952AK · Boeing 7379 · HF Communications System
  > HF-1 HAS NO SIDE TONE. DOESN'T TRASM.T OR RECEIVE VOICE. GROUNDED - YES. REMOVED AND REPLACED #1 HF TRANSCEIVER. REF B737-9 AMM 23-11-21.
- [SDR ASAA2022122641365](https://openairdocs.org/sdr/ASAA2022122641365.md): Separator · fod · Dec 26, 2022 · N952AK · Boeing 7379 · Turbine Engine Oil System
  > AFTER LANDING AMBER MAINT LIGHT ILLUMINATED WITH MASTER CAUTION. GROUNDED - YES. VERIFIED FAULT MESSAGE 79-41192 STILL ACTIVE ON #1 ENG. DUE TO CHRONIC NATURE OF THIS FAULT ACCOMP. R/R OF ODM SEPARATOR REF T/C SBLEAP-1B-79-0012-1.
- [SDR ASAA2022111440789](https://openairdocs.org/sdr/ASAA2022111440789.md): Transmitter · dirty · Nov 14, 2022 · N952AK · Boeing 7379 · Engine Oil Distribution (Airframe Furnished)
  > MAINT LIGHT ILLUMINATED AGAIN AFTER LANDING. GROUNDED - YES. INTERROGATED MTX MESSAGES AND FOUND MSG 79-41192 ENG 1 OIL DEBRIS. C/W B737-9 IFIM TASK G79-21-00-810-801, CHECKED ODMS SENSOR, NO DEBRIS FOUND. REMOVED AND REPLACED OIL DEBRIS MONITORING TRANSMITTER
- [SDR ASAA2022111340773](https://openairdocs.org/sdr/ASAA2022111340773.md): Sensor · faulted · Nov 13, 2022 · N952AK · Boeing 7379 · Engine Oil System (Airframe Furnished)
  > MAINT LIGHT ILLUMINIATED ON LANDING ENG 1 OIL DEBRIS. GROUNDED - YES. REMOVED & REPLACED ODMS SENSOR PER B737-9 AMM 79-21-12. PERFORMED EEC SYSTEM TEST PER AMM 71-00-00-710-806. TEST PASSED. C/W TEST #26 AMM 71-00-00-700-802-600.
- [SDR ASAA2022110340661](https://openairdocs.org/sdr/ASAA2022110340661.md): Starter · making metal · Nov 3, 2022 · N952AK · Boeing 7379 · Engine Starter
  > OVERHEAD "MAINT" LIGHT ILLUMINATED AT TOUCHDOWN. GROUNDED - YES. FOUND ENG #1 OIL DEBRIS STS MSG. PERFORMED B737-9 AMM TASK 79-00-00-220-801-600, ENGINE OIL SYSTEM DETAIL DIMENSIONAL CK, ENGINE #1 STARTER MAGNETIC PLUG REVEALED SMALL METAL SHAVINGS, ODMS SEN
- [SDR ASAA2022103040541](https://openairdocs.org/sdr/ASAA2022103040541.md): Drive Assy · failed · Oct 30, 2022 · N952AK · Boeing 7379 · Weather Radar System
  > PWS FAIL + WX FAIL ANNUNCIATOR ILLUMINATED IN FLIGHT WX RADAR FAIL. GROUNDED - YES. OMF FAULT HISTORY LEG 0 RESULTED IN, "WXR ANTENNA DRIVE IS FAILED DETECTED BY: WXR PROCESSOR 1," FAULT 34-43101 DURING APPROACH. FAULT IS NOT CURRENTLY ACTIVE. ACCOMPLISHED B73

## 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 = 'N952AK' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N952AK/reports

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