# Service difficulty reports: N976AK

A list on [N976AK](https://openairdocs.org/aircraft/N976AK.md).

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

- [SDR ASAA2026012163913](https://openairdocs.org/sdr/ASAA2026012163913.md): Battery Pack · no test · Jan 21, 2026 · N976AK · Boeing 7379 · Emergency Lighting
  > RIGHT OVERWING EMERGENCY LIGHT FAIL CAPACITY CHECKS RXR430X. GROUNDED - YES. REMOVED AND INSTALLED NEW BATTERY PACK IAW AMM 33-51-06-960-802, PERFORMED OPS CHECKED GOOD.
- [SDR ASAA2025111362287](https://openairdocs.org/sdr/ASAA2025111362287.md): Power Supply · inoperative · Nov 13, 2025 · N976AK · Boeing 7379 · Emergency Lighting
  > RIGHT MID AISLE EMERGENCY LIGHTS INOPERATIVE. GROUNDED - YES. REMOVED & REPLACED, OPS CHECK GOOD. POWER SUPPLY M1676 IAW AMM 33-51-06.
- [SDR ASAA2025111362286](https://openairdocs.org/sdr/ASAA2025111362286.md): Power Supply · inoperative · Nov 13, 2025 · N976AK · Boeing 7379 · Emergency Lighting
  > EMERGENCY EXIT IDENTIFIER ABOVE R1 DOOR INOP. GROUNDED - YES. REMOVED AND REPLACED R1 DOOR EMERGENCY BATTERY PACK POWER SUPPLY S/N 166045 REF B737 MAX AMM 33-51-06-960-803 OPS CHECKS GOOD REF B737 MAX AMM 33-51-06-960-803.
- [SDR ASAA2025111362270](https://openairdocs.org/sdr/ASAA2025111362270.md): Charger · inoperative · Nov 13, 2025 · N976AK · Boeing 7379 · Emergency Lighting
  > EMERGENCY EXIT IDENTIFIER ABOVE R2 DOOR INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY CHARGER ASSY M1672 S/N 166057 REF B737 MAX AMM 33-51-06. EXIT IDENTIFIER AND BATTERY CHARGER ASSY CHECK GOOD REF B737 AMM 33-51-06.
- [SDR ASAA2025011355280](https://openairdocs.org/sdr/ASAA2025011355280.md): Lamp · inoperative · Jan 13, 2025 · N976AK · Boeing 7379 · Emergency Lighting
  > R1 DOOR EXTERIOR EMERGENCY LIGHT INOP. GROUNDED - YES. RELAMPED R1 EXTERIOR EMERGENCY LIGHT IAW AMM 33-51-04. ALL CHECKS GOOD.
- [SDR ASAA2024022048115](https://openairdocs.org/sdr/ASAA2024022048115.md): Battery Pack · inoperative · Feb 20, 2024 · N976AK · Boeing 7379 · Emergency Lighting
  > BATTERY PACK WILL NOT CHARGE GROUNDED - YES. REPLACED BATTERY PACK S/N 459275
- [SDR ASAA2024021748025](https://openairdocs.org/sdr/ASAA2024021748025.md): Battery Pack · no test · Feb 17, 2024 · N976AK · Boeing 7379 · Emergency Lighting
  > ALL LIGHTS ON L-1 DOOR BATTERY PACK FAILED DURING CAPACITY FUNCTIONAL CHECK. GROUNDED - YES. REMOVED AND INSTALLED SERVIEABLE L-1 BATTERY PACK, OPS CHECK GOOD IAW B737-MAX9 AMM 33-51-06-960-802.
- [SDR ASAA2023103145961](https://openairdocs.org/sdr/ASAA2023103145961.md): Oil System · pressure loss · Oct 31, 2023 · N976AK · Boeing 7379 · Engine Oil Indicating System
  > DURING CRUISE AT FL320, ENGINE #1 LOW OIL PRESSURE CAUTION LIGHT + OIL PSI DROPPING. EVENTUALLY OIL PSI SETTLED (IN THE RED) AT 5PSI. ALSO- LEFT OIL QTY INDICATOR WASN BLANK/BLACK. ALL OTHER INDICATIONS NORMAL. PERFORMED QRH: ENG LOW OIL PRESSURE CHECKLIST WHI
- [SDR ASAA2023101545610](https://openairdocs.org/sdr/ASAA2023101545610.md): Unknown · unknown · Oct 15, 2023 · N976AK · Boeing 7379 · Engine Bleed Air System
  > UPON ACCOMPLISHING T/C 31-005-00 FOUND FAULT CODE BLEED FAMV RVDT L. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023100445438](https://openairdocs.org/sdr/ASAA2023100445438.md): Unknown · unknown · Oct 4, 2023 · N976AK · Boeing 7379 · Turbine Engine Combustion Section
  > WHILE ACCOMPLISHING TC 72-220-00 BORESCOPE #1 ENG S/N 603094 COMBUTION CHAMBER. FOUND CIRCUMFERENCIAL CRACKS AND MISSING MATEREAL IN THE DEFLECTOR PLATE NO. 12,13,14 PER TC 72-220-00 STEP C-2 (D-1) CIRCUMFERENTIAL CRACKS NOT PERMITED. GROUNDED - YES. ON DEFERR
- [SDR ASAA2023100245410](https://openairdocs.org/sdr/ASAA2023100245410.md): Control Unit · leaking · Oct 2, 2023 · N976AK · Boeing 7379 · Engine Fuel Distribution
  > DURING #2 ENG IDLE LEAK CHECK FOUND L/H MAIN CORE COMPLARTMENT DRAIN LEAKING MORE THAN 1 DROP A SECOND. REF AMM 71-71-00-200-801-G00 FIG 601 SHEET 3. GROUNDED - YES. REPLACED #2 ENG SPLIT CONTROL UNIT REF MM 73-11-06, LK AND OPS CK GOOD.
- [SDR ASAA2023091545170](https://openairdocs.org/sdr/ASAA2023091545170.md): Lubrication Unit · unknown · Sep 15, 2023 · N976AK · Boeing 7379 · Engine Oil System (Airframe Furnished)
  > #2 ENGINE OIL FILTER CARTRIDGE COVER, UNABLE TO REMOVE LOWER OUTBOARD BOLT. GROUNDED - YES. REMOVED LUBRICATION UNIT PER AMM 79-21-03. INSTALLED OIL FILTER DIFF PRESSURE SENSOR ON NEW LUBRICATION UNIT PER AMM 79-35-01. POWER PLANT TEST FOR SENSOR STILL REQUIRE
- [SDR ASAA2023091245084](https://openairdocs.org/sdr/ASAA2023091245084.md): Brake Assy · seized · Sep 12, 2023 · N976AK · Boeing 7379 · Landing Gear Brake System
  > DURING WALK AROUND TECHNICIAN REPORTED #2 BRAKE WAS SMOKING AND REQUIRED REPLACEMENT. ON REMOVAL OF THE BRAKE, PIECES FELL OUT OF THE BRAKE ASSEMBLY. TECHNICIANS HAD TO REMOVER TIRE AND BRAKE TOGETHER TO GET THE BRAKE OFF AS IT WAS SEIZED. GROUNDED - YES. REMO
- [SDR ASAA2023090745178](https://openairdocs.org/sdr/ASAA2023090745178.md): Starter · faulty · Sep 7, 2023 · N976AK · Boeing 7379 · Engine Starter
  > CFM DIAGNOSTICS IS SHOWING #2 S/N 603126 ENGINE ODMS CUMMULATIVE CHIP COUNT IS REPORTING ELEVATED. (#PRI2/ETOPS). GROUNDED - YES. (RESOLVED ON W/O: 1969727 TASKCARD: N/R-00001) OPENED ENG #2 FAN COWLS PER AMM 71-11-04-010-803-G00 TO FOM. PERFORMED OPENING OF
- [SDR ASAA2023082744780](https://openairdocs.org/sdr/ASAA2023082744780.md): Unknown · unknown · Aug 27, 2023 · N976AK · Boeing 7379 · Windshield/Door Rain/Ice Removal
  > ON TAXI IN SEA FOR DEP L SIDE WINDOW HEAT LIGHT ILLUMINATED IAW PROCEDURE: TURNED OFF; WAITED 2-3 MIN, TURN ON; LIGHT WAS OFF SO CONTINUED NORMAL PROCEDURES. PREVIOUS WRITEUP. GROUNDED - YES. PERFORMED OPS TEST OF LH SIDE WINDOW HEAT SYS REF B737-9 IFIM 30-41-
- [SDR ASAA2023082644778](https://openairdocs.org/sdr/ASAA2023082644778.md): Unknown · unknown · Aug 26, 2023 · N976AK · Boeing 7379 · Windshield/Door Rain/Ice Removal
  > ON GROUND RT FWD WINDOW OVERHEAT LT. CAME ON. IT EXTINGUISHED AFTER TURNING THE WINDOW HEAT OFF FOR 5 MIN. GROUNDED - YES. BITE CHECKED WCU M00323 REF IFIM 30-41-00-810-829 - NO FAULTS. BITE TEST OK. ETOPS GND VERIFICATION TEST SUCCESSFUL. SEAMC NOTIFIED.
- [SDR ASAA2023082144722](https://openairdocs.org/sdr/ASAA2023082144722.md): Transceiver · failed · Aug 21, 2023 · N976AK · Boeing 7379 · HF Communications System
  > UNABLE TO TRANSMIT ON HF2 RECEIVE ONLY. GROUNDED - YES. VERIFIEID DEFECT, HF1 RECEIVES AND TRANSMITS 5X5. HF2 COULD NOT GET STATIC CUT OUT ON TRANSMIT WHEN KEYED, ALL CLOCKS HEARD. REF AMM 23-11-00-730-801. REMOVED AND REPLACED HF2 TRANSCEIVER IAW AMM 23-11-21
- [SDR ASAA2023081644635](https://openairdocs.org/sdr/ASAA2023081644635.md): Valve · damaged · Aug 16, 2023 · N976AK · Boeing 7379 · Pneumatic Distribution System
  > #1 ENG. HIGH PRESSURE SHUTOFF VALVE LOCKOUT BOLT IS BROKEN AND CANNOT BE SECURED. GROUNDED - YES. REMOVED AND REPLACED #1 ENG. HIGH PRESSURE SHUTOFF VALVE PER AMM 36-11-07. ALL CHECKS GOOD. NO DEFECTS OR OTHER DISCREPANCIES NOTED.
- [SDR ASAA2023072644272](https://openairdocs.org/sdr/ASAA2023072644272.md): Unknown · unknown · Jul 26, 2023 · N976AK · Boeing 7379 · Autopilot System
  > SPEED TRIM FAIL ON RECALLRESET ON PUSH. GROUNDED - YES. PER IFIM 22-11-00-810-D71, NO MESSAGES, ACCOMPLISHED DFCS TEST SYSTEMSPEED TRIM / STAB TRIM BITE, REF. AMM 22-11-00 / 501. TEST PASSED, INTERMITTIN FAULT. OK. FOR SERVICE. NO HISTORY FOR PAST 90 DAYS.
- [SDR ASAA2023071244005](https://openairdocs.org/sdr/ASAA2023071244005.md): Unknown · unknown · Jul 12, 2023 · N976AK · Boeing 7379 · HF Communications System
  > HF#2 WILL NOT TRANSMIT. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023033042668](https://openairdocs.org/sdr/ASAA2023033042668.md): Unknown · unknown · Mar 30, 2023 · N976AK · Boeing 7379 · Airfoil Anti/De-ice System
  > INFLIGHT WING ANTI-ICE L-VALVE CAUTION LIGHT ILLUMINATED WHEN VALVE SELECTED TO ON. GROUNDED - YES. C/W LEFT WING THERMAL ANTI ICE VALVE HEALTH CHECK REF B737-9 AMM 30-11-11-200-801 STEP 3A-H. OPS CHECK GOOD. NO FURTHER DEFECT NOTED.
- [SDR ASAA2023031242314](https://openairdocs.org/sdr/ASAA2023031242314.md): Unknown · unknown · Mar 12, 2023 · N976AK · Boeing 7379 · Autopilot System
  > AUTOLAND NOT SUCCESSFUL: SEA RWY 16R WINDS 110@10 KNOTS WITH RUNWAY. ALL OPS NORMAL BUT AIRCRAFT DRIFTED LEFT OF CENTER PAST THRESHOLD AND TOUCHDOWN WAS 40FEET OF CENTER LINE ON UPWING SIDE OF RWY. GROUNDED - YES. PERFORMED B737-9 IFIM 22-11-00-810-D63 AIRPLAN
- [SDR ASAA2023021741993](https://openairdocs.org/sdr/ASAA2023021741993.md): Unknown · unknown · Feb 17, 2023 · N976AK · Boeing 7379 · Flight Management Computing Hardware System
  > TRANSIENT DUAL FMC FAIL WITH DUAL VTR ANNUNCIATION AND NO FMC PROMPT ON BOTH MCDU MENUS DURING CRUISE, BOTH FMCS RESTORED TO NORMAL OPERATION AFTER APPROXIMATELY 25 SECONDS. GROUNDED - YES. PERFORMED FMC OPERATIONAL TEST, OPS CHECK GOOD IAW B737-9 AMM 34-61-00
- [SDR ASAA2023020941909](https://openairdocs.org/sdr/ASAA2023020941909.md): Valve · faulty · Feb 9, 2023 · N976AK · Boeing 7379 · Pneumatic Distribution System
  > DURING DESCENT AT 1500 WITH ENG A-ICE ON, R BLEED LIGHT ILLUMINATED RAN QRH AND RESET SUCCESSFUL. GROUNDED - YES. C/W IFIM & FOUND MAINT MESSAGE 36-00161- RIGHT BLEED AIR SYSTEM OVER PRESSURE SHUTDOWN HAS OCCURRED INITIAL EVAL SHOWS R BLEED LT IS NOT ON, RESET
- [SDR ASAA2023020341832](https://openairdocs.org/sdr/ASAA2023020341832.md): Modulating Valve · faulty · Feb 3, 2023 · N976AK · Boeing 7379 · Pneumatic Distribution System
  > OVERHEAD '' MAINT " LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. REMOVED AND REPLACED # ENGINE FAN AIR MODULATING VALVE PER B737-9 AMM 36-12-03-400-801.
- [SDR ASAA2023020241841](https://openairdocs.org/sdr/ASAA2023020241841.md): Not Reported · not reported · Feb 2, 2023 · N976AK · Boeing 7379 · Pneumatic Distribution System
  > OVERHEAD MAINT LIGHT ILLIMINATED. GROUNDED - YES. FOUND BLEED FAMV R STATUS MESSAGE. C/W B737-9 IFIM TASK 31-00-00-810-801 & FOUND FAULT CODE 36-12021 IN LINE MAINT FDE. C/W IFIM 36-12-00-810-802 INITIAL EVALUATION - PNEUMATIC ENG ON - SYSTEM TEST B737-9 AMM 3
- [SDR ASAA2023013071703](https://openairdocs.org/sdr/ASAA2023013071703.md): Fmc · malfunctioned · Jan 27, 2023 · N976AK · Boeing 7379 · Flight Management Computing Hardware System
  > RIGHT FMC FAIL, VTK AND MAP FAIL FLAGS DISPLAYS. GROUNDED - YES. NORMAL INDICATION RESTORED AFTER CYCLING SHIPS POWER.
- [SDR ASAA2023011861551](https://openairdocs.org/sdr/ASAA2023011861551.md): Transceiver · faulted · Jan 16, 2023 · N976AK · Boeing 7379 · Weather Radar System
  > WEATHER RADAR FAILED PWS FAIL, WXR FAIL, AND RT LIGHTS ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED WEATHER RADAR RECEIVER/TRANSMITTER IAW B737-9 AMM 34-41-41/401. 1 CB OPENED AND CLOSED. OPERATIONAL TEST GOOD IAW 34-41-00-710-801. GROUND VERIFICATION SUC
- [SDR ASAA2022111240748](https://openairdocs.org/sdr/ASAA2022111240748.md): Fmc · faulted · Nov 12, 2022 · N976AK · Boeing 7379 · Flight Management Computing Hardware System
  > INFLIGHT HAD MOMENTARY DUAL FMC FAILURE HAD A/P+ A/T LIGHT ILLUMINATES ALL ND DATA GONE, AND VTK DISPLAYED. SYSTEM APPEARED TO FULLY RECOVER AFTER APPROX 40 SEC. GROUNDED - YES. PERFORMED OMF SHOWS NOT ACTIVE FAULTS. FOUND MSG NBR 34-69001. THERE WAS INTERMITT
- [SDR ASAA2022102840526](https://openairdocs.org/sdr/ASAA2022102840526.md): Warning Light · false activation · Oct 28, 2022 · N976AK · Boeing 7379 · Ice/Rain Protection System
  > ANTI-ICE MASTER CAUTION ILLUMINATED ON GROUND AFTER LANDING - CAPT PITOT ILLUMINATED. GROUNDED - YES. PERFORMED B737-9 IFIM 30-31-00-810-801, NO FAULT NOTED AT THIS TIME.
- [SDR ASAA2022100240137](https://openairdocs.org/sdr/ASAA2022100240137.md): Shutoff Valve · faulted · Oct 2, 2022 · N976AK · Boeing 7379 · Aircraft Fuel Distribution System
  > LOW OIL PRESSURE (APU) LIGHT ILLUMINATED ON TAXI IN. GROUNDED - YES. PERFORMED OPS CHECK OF APU IAW B737-9 AMM TASK 49-11-00. OPS CHECK GOOD. OMF SHOWS APU FAULT LIGHT MX MESSAGE 49-31001(APU FUEL SHUTOFF VALVE SHUTDOWN FAULT) COULD NOT DUPLICATE DISCREPANCY O
- [SDR ASAA2022100140130](https://openairdocs.org/sdr/ASAA2022100140130.md): Radar · fault message · Oct 1, 2022 · N976AK · Boeing 7379 · Inertial Guidance System
  > WXR FAIL AMBER CAUTION ON NAV DISPLAY ON INITIAL RADAR POWER UP. WXR FAIL CAUTION DISAPPEARED WHEN WE TURNED THE RADAR ON LATER IN THE FLIGHT. GROUNDED - YES. PERFORMED OPS CHECK IAW B737-9 AMM 34-41-00-710-801. NO FAULTS FOUND, OPS CHECK GOOD.
- [SDR ASAA2022082539667](https://openairdocs.org/sdr/ASAA2022082539667.md): Unknown · unknown · Aug 25, 2022 · N976AK · Boeing 737 · Autopilot System
  > "STAB TRIM FAIL' ON RECALL DURING DESCENT. LIGHT EXTINGUISHED AFTER MASTER CAUTION SYSTEM RESET. GROUNDED - YES. PER SEAMC I/B CREW REPORTED SPEED TRIM FAIL NOT STAB TRIM FAIL. PFCS LOGGED FAULT 22-11186 ON A SIDE B SIDE NO FAULTS. RAN B737-9 IFIM 22-11-00-810
- [SDR ASAA2022081839548](https://openairdocs.org/sdr/ASAA2022081839548.md): Circuit Breaker · not seated · Aug 18, 2022 · N976AK · Boeing 7379 · Flight Management Computing Hardware System
  > MAINT CAUTION LIGHT ON THE GROUND. GROUNDED - YES. 3 EA STATUS MESSAGES - STALL WARN L, DPC - 2 (XTALK) AND FMC-R. PERFORMED B737-9 IFIM 27-30-00-810-801, 31-65-00-810-860, AND 34-61-00-810-801, 31-65-00-810-860. ALL LATCHES MESSAGES CLEARED. FMC R RECOVERED.
- [SDR ASAA2022081539528](https://openairdocs.org/sdr/ASAA2022081539528.md): Valve · faulty · Aug 15, 2022 · N976AK · Boeing 7379 · Engine Cranking
  > #1 ENG DISPLAY (ALL BLOCKS) FLASHES SOLID AMBER 3 TIMES @ STARTER CUTOUT WITH NO WORDS ANNUNCIATED. GROUNDED - YES. REMOVED AND REPLACED STARTER AIR VALVE REF B737-9 AMM 80-11-02. (ASA 60467647)
- [SDR ASAA2022080939469](https://openairdocs.org/sdr/ASAA2022080939469.md): Satcom · inoperative · Aug 9, 2022 · N976AK · Boeing 7379 · HF Communications System
  > SATCOM INOP UNABLE TO MAKE CALL. GROUNDED - YES. ACCOMPLISHED SATCOM SYSTEM BITE TEST REF. B737-9 AMM 23-15-00-740-801 AND AMM 23-15-00-740-802. BITE TEST GOOD. PERFORMED SATCOM SYSTEM OPERATIONAL TEST REF. AMM 23-15-00-710-801. OPS TEST GOOD. ABLE TO MAKE CAL
- [SDR ASAA2022080439345](https://openairdocs.org/sdr/ASAA2022080439345.md): Radar · intermittent · Aug 4, 2022 · N976AK · Boeing 7379 · Weather Radar System
  > DURING CRUISE FLIGHT WITH BOTH ND'S DISPLAYING WX RADAR, PWS FAIL AND WXR FAIL ILLUMINATED ON BOTH ND'S. AFTER THE WX RADAR WAS OFF FOR 30 MINUTES, WE TURNED THE WX RADAR BACK ON AND EVERYTHING OPERATED NORMALLY. GROUNDED - YES. NO A/C HISTORY. CYCLED WETHER R
- [SDR ASAA2022070438924](https://openairdocs.org/sdr/ASAA2022070438924.md): Eec · false indication · Jul 4, 2022 · N976AK · Boeing 7379 · Fuel Controlling System
  > AMBER MAINT LIGHT ON OVERHEAD ILLUMINATED. GROUNDED - YES. EXT PWR WAS DISCONNECTED PREMATURELY. STATUS MENU LOGGED EEC FAULTS. ABLE TO CLEAR FAULTS. STATUS IS CLEAR. REF B737-9 AMM 31-65-00.
- [SDR ASAA2022052838481](https://openairdocs.org/sdr/ASAA2022052838481.md): Pitot Tube · warning light · May 28, 2022 · N976AK · Boeing 7379 · Pitot/Static Anti-Ice System
  > FO PITOT HEAT CAUTION LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. NFS OMF INDICATES NO FAULTS LAST LEG. ACCOMPLISHED PITOT PROBE DETAILED INSPECTION (FO'S) PER B737-9 AMM 34-11-01 W/ NO DEFECTS OBSERVED. ACCOMPLISHED APPLICABLE SECTION OF PITOT PROBE HEAT

## 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 = 'N976AK' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N976AK/reports

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