# Service difficulty reports: N933AK

A list on [N933AK](https://openairdocs.org/aircraft/N933AK.md).

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

Page 1 of 2 · 60 reports

- [SDR ASAA2026050866009](https://openairdocs.org/sdr/ASAA2026050866009.md): Link · damaged · May 8, 2026 · N933AK · Boeing 7379 · Passenger/Crew Doors
  > L1 DOOR DIFFICULT TO OPEN BINDING AFTER ABOUT 6 INCHES OF MOVEMENT POPPING SOUND HEARD IN AREA OF GUST LOCK THEN DOOR FULLY OPENED. GROUNDED - YES. ON L1 DOOR FOUND LOWER RADIUS LINK PIN KEYWASHER AND RETAINING SCREW DAMAGED CAUSING DIFFICULT DOOR OPERATION DI
- [SDR ASAA2025110262115](https://openairdocs.org/sdr/ASAA2025110262115.md): Seat Track · damaged · Nov 2, 2025 · N933AK · Boeing 7379 · Fuselage, Seat/Cargo Attach Fittings
  > PILOT SEAT AFT INBOARD SEAT TRACK HAS MULTIPLE HOLES ELONGATED. SRXR430X. GROUNDED - YES. REMOVED AND REPLACED AFT INBOARD SEAT RRACK AT PILOT SEAT IAW IPECO CMM 53-01-02, B737 AMM 20-50-11-910-801. TW 22-496 DUE 23 APR 2026. B737 AMM 25-11-01-000-801 AND 25-1
- [SDR ASAA2025110262114](https://openairdocs.org/sdr/ASAA2025110262114.md): Seat Track · damaged · Nov 2, 2025 · N933AK · Boeing 7379 · Fuselage, Seat/Cargo Attach Fittings
  > COPILOT SEAT AFT INBOARD SEAT TRACK HAS MULTIPLE HOLES ELONGATED. SRXR430X. GROUNDED - YES. REMOVED AND REPLACED AFT INBOARD SEAT TRACK ON COPILOT SEAT IAW IPECO CMM 53-01-02 TW 22-496 DUE 23/AUG/2026, B737 AMM 20-50-11-910-801, B737 AMM 25-11-01-000-801 AND B
- [SDR ASAA2025012955617](https://openairdocs.org/sdr/ASAA2025012955617.md): Cover · detached · Jan 29, 2025 · N933AK · Boeing 7379 · Emergency Lighting
  > CLEANERS DISCOVERED EXIT LT COVER ON FLOOR. GROUNDED - YES. REPLACED EXIT LIGHT COVER OPS NRML CENTER EXIT ROW LEFT FWD SIDE.
- [SDR ASAA2024090652371](https://openairdocs.org/sdr/ASAA2024090652371.md): Cover · binding · Sep 6, 2024 · N933AK · Boeing 7379 · Passenger/Crew Doors
  > L1 DOOR LOWER HINGE COVER BINDING UP DOOR ON OPENING. GROUNDED - YES. PERFORMED GVI OF L1 DOOR, FRAME, SURROUNDING AREA. OPS CK'D DOOR FROM INSIDE AND OUT MULTIPLE TIMES. NO DEFECTS FOUND. OPERATES AS IT SHOULD.
- [SDR ASAA2023110346025](https://openairdocs.org/sdr/ASAA2023110346025.md): Unknown · unknown · Nov 3, 2023 · N933AK · Boeing 7379 · Engine Bleed Air System
  > WHILE ACCOMP T/C 31-005-00 FOUND SMT FAULT BLEED FAMV RVDTR. GROUNDED - YES. PERFORMED IFIM TASK 36-12-00-810-804. TEST PASSED SMT NO LONGER ACTIVE.
- [SDR ASAA2023102645891](https://openairdocs.org/sdr/ASAA2023102645891.md): Modulating Valve · faulty · Oct 26, 2023 · N933AK · Boeing 7379 · Pneumatic Distribution System
  > WHILE ACCOMPLISHING TASK 31-005-00 FOUND MAX DISPLAY - SMT MESSAGE " BLEED FAMV RVDT R". GROUNDED - YES. (RESOLVED ON W/O: 1974732 TASKCARD: N/R-00002) REMOVED AND REPLACED FAMV ON #2 ENG REF AMM 36-12-03. NO FURTHER FAULTS FOUND. THIS CLEARS THE PLT LATCHED
- [SDR ASAA2023102245786](https://openairdocs.org/sdr/ASAA2023102245786.md): Unknown · unknown · Oct 22, 2023 · N933AK · Boeing 7379 · Pneumatic Distribution System
  > WHILE PERFORMING TASKCARD # 31-005-00 FOUND FAULT CODE BLEED FAMV RUDT R. MAINTENANCE MESSAGE 36-12031. GROUNDED - YES. THROUBLESHOT PER B737-9 IFIM 36-12-00-810-804 PERFORMED ELECTRICAL LRU REPLACEMENT TEST PER B737-9 AMM TASK 36-00-710-801. TEST PASSED. FAUL
- [SDR ASAA2023101245667](https://openairdocs.org/sdr/ASAA2023101245667.md): Unknown · unknown · Oct 12, 2023 · N933AK · Boeing 7379 · Windshield/Door Rain/Ice Removal
  > LEFT FORWARD WINDOW OVERHEAT. GROUNDED - YES. WHCU SHOWS #2 SENSOR FAULT, PRELIMINARY RESISTANCE CKS SHOWED NORMAL FOR BOTH SENSOR HOWEVER AFTER HEAT APPLIED TO WINDOW, SPARE SENSOR RANG OPEN. RESISTANCE CKED VERIFIED AT WINDOW CONFIRMS SPARE SENSOR HAS FAILED
- [SDR ASAA2023101045538](https://openairdocs.org/sdr/ASAA2023101045538.md): Unknown · unknown · Oct 10, 2023 · N933AK · Boeing 7379 · Windshield/Door Rain/Ice Removal
  > LEFT FORWARD WINDOW HEAT GOES TO OVERHEAT WHEN SELECTED TO ON. GROUNDED - YES. PERFORMED WINDOW HEAT CONTROL UNIT OPS CHECK AND BITE CHECK PER AMM 30-41-11, OPS CHECK GOOD, OVERHEAT LIGHT EXTINGUISHED.
- [SDR ASAA2023100745505](https://openairdocs.org/sdr/ASAA2023100745505.md): Unknown · unknown · Oct 7, 2023 · N933AK · Boeing 7379 · Pneumatic Distribution System
  > WHILE ACCOMPLISHING TASK CARD # 31-005-00 FOUND SCHEDULED MTXTASK MESSAGE "BLEED FAMV RVDT R.". GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023100745507](https://openairdocs.org/sdr/ASAA2023100745507.md): Unknown · unknown · Oct 7, 2023 · N933AK · Boeing 7379 · Windshield/Door Rain/Ice Removal
  > LEFT FWD WINDOW HEAT OVERHEAT LIGHT ILLUMINATED FOUND ON RECALL CK PRIOR TO T/O. GROUNDED - YES. FOLLOWED QRH LIGHT EXTINGUISHED AND REMAIND OFF.
- [SDR ASAA2023092645345](https://openairdocs.org/sdr/ASAA2023092645345.md): Unknown · unknown · Sep 26, 2023 · N933AK · Boeing 7379 · Windshield/Door Rain/Ice Removal
  > LEFT FWD WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. QRH PROCEDURE PERFORMED. OVERHEAT LIGHT EXTINGUISHED.
- [SDR ASAA2023091245123](https://openairdocs.org/sdr/ASAA2023091245123.md): Unknown · unknown · Sep 12, 2023 · N933AK · Boeing 7379 · Engine Start Valves/Controls
  > #1 ENGINE START SWITCH KNOB IS LOOSE. GROUNDED - YES. TIGHTENED #1 ENGINE START SWITCH KNOB SET SCREWS. REF. MM 80-11-03.
- [SDR ASAA2023072944308](https://openairdocs.org/sdr/ASAA2023072944308.md): Unknown · unknown · Jul 29, 2023 · N933AK · Boeing 7379 · Flight Management Computing Hardware System
  > USING RSV FUEL MESSAGE. GROUNDED - YES. NO WIND SPD ON FLT PLAN. REBOOTED 1 & 2 FMC COMPUTERS. WIND SPD LOADED AND USING RSV FUEL MESSAGE CLEARED.
- [SDR ASAA2023072344200](https://openairdocs.org/sdr/ASAA2023072344200.md): Unknown · unknown · Jul 23, 2023 · N933AK · Boeing 7379 · Autopilot System
  > DURING THE DESCENT CHECK LIST- ON "RECALL" MASTER CAUTION AND "SPEED TRIM LIGHT" ILLUMINATED, RAN QRH- BOTH LIGHTS EXTINGUISHED THEN MASTER CAUTION SYSTEM WAS RESET. GROUNDED - YES. CW IFIM 22-11-00-810-D71 MAINTANCE MESSAGES 22-11Q16 AND 22-11822 BITE TEST PA
- [SDR ASAA2023071644026](https://openairdocs.org/sdr/ASAA2023071644026.md): Unknown · unknown · Jul 16, 2023 · N933AK · Boeing 7379 · Engine Bleed Air System
  > WHEN PERFORMING SCHEDULED MAINTENANCE TASK DISPLAY TASK CARD FOUND SMT MEGGASE BLEED FAMV RVDT R. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023070243874](https://openairdocs.org/sdr/ASAA2023070243874.md): Unknown · unknown · Jul 2, 2023 · N933AK · Boeing 7379 · Flight Management Computing Hardware System
  > MOMENTARY FMC RIGHT FAIL RECOVERED ON ITS OWN. GROUNDED - YES. CYCLED FMCS COMPUTER 1/2 CB REF B737-9 IFIM 34-61-00-810-918FAULT CLEARED. OPS CHK GOOD.
- [SDR ASAA2023062543675](https://openairdocs.org/sdr/ASAA2023062543675.md): Unknown · unknown · Jun 25, 2023 · N933AK · Boeing 7379 · Fuel Controlling System
  > DURING SCHEDULED MAINT TASK CARD 05-020-01, FOUND SMT MESSAGE "ENG 1 EEC C1". GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023062543674](https://openairdocs.org/sdr/ASAA2023062543674.md): Unknown · unknown · Jun 25, 2023 · N933AK · Boeing 7379 · Pneumatic Distribution System
  > DURING SCHEDULED MAINT TASK CARD FOUND SMT MESSAGE "BLEED FAMV RVDT R". GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023061943649](https://openairdocs.org/sdr/ASAA2023061943649.md): Unknown · unknown · Jun 19, 2023 · N933AK · Boeing 7379 · Water and Waste System
  > 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.
- [SDR ASAA2023061443647](https://openairdocs.org/sdr/ASAA2023061443647.md): Modulating Valve · out of range · Jun 14, 2023 · N933AK · Boeing 7379 · Pneumatic System
  > 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.
- [SDR ASAA2023060243437](https://openairdocs.org/sdr/ASAA2023060243437.md): Actuator · faulty · Jun 2, 2023 · N933AK · Boeing 7379 · Aircraft Fuel Distribution System
  > 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 T
- [SDR ASAA2023052243393](https://openairdocs.org/sdr/ASAA2023052243393.md): Unknown · unknown · May 22, 2023 · N933AK · Boeing 7379 · Pneumatic Distribution System
  > WHILE PERFORMING ASA T/C 05-020-01 FOUND SMT MSG ENG 2 EEC C1 SHORT TIME FAULT MSG. GROUNDED - YES. FOUND ENG 2 EEC C1 SMT MESSAGE AND ACCOMPLISHED B737-9 IFIM TASK G73-20-00-810-856 AND CORRELATED BLEED FAMV RVDT R MESSAGE 36-12031 AND IFIM 36-12-00-810-804 A
- [SDR ASAA2023050643220](https://openairdocs.org/sdr/ASAA2023050643220.md): Modulating Valve · faulty · May 6, 2023 · N933AK · Boeing 7379 · Pneumatic Distribution System
  > DURING ACCOMPLISHMENT OF T/C 31-005-00 #2 ENG HAS FAULT MSG 36-12031 BLEED FAMV RVDT R. GROUNDED - YES. PERFORMED B737-9 IFIM TASK 36-12-00-810-804. WIRING CHECKS COMPLETED AND TESTED GOOD REF B737-9 WDM 36-11-23-1. REMOVED AND REPLACED R/H ENG FAMV REF B737-9
- [SDR ASAA2023030342174](https://openairdocs.org/sdr/ASAA2023030342174.md): Unknown · unknown · Mar 3, 2023 · N933AK · Boeing 7379 · HF Communications System
  > HFI AND HF2 COMMUNICATION UNINTELLIGABLE ON EVERY FREQUENCY IN OCEANIC AIRSPACE. COMMUNICATION ON THESE RADIOS WAS SUCCESSFUL DEPARTING HAWAII. NO DIFFICULTIES RECEIVING SELCAL, HOWEVER VOICE COMMUNICATION WAS DIFFICULT. GROUNDED - YES. PERFORMED HF #1 & HF #2
- [SDR ASAA2023020641883](https://openairdocs.org/sdr/ASAA2023020641883.md): Igniter · unknown · Feb 6, 2023 · N933AK · Boeing 7379 · Ignition Harness (Distribution)
  > EEC FAULT ENG. 2. GROUNDED - YES. FOUND DEGRADATION OF THE L/H IGNITER PLUG TIP. REPLACED IGNITER REF B737-9 AMM 74-21-02.
- [SDR ASAA2023012441643](https://openairdocs.org/sdr/ASAA2023012441643.md): Bleed Valve · failed · Jan 24, 2023 · N933AK · Boeing 7379 · Compressor Bleed Valve
  > DURING CLIMB UP TO FL340 #1 BLEED DUCT PRESSURE INDICATED 70-74 PSI #2 BLEED DUCT PRESSURE INDICATED 40-45 PSI. BOTH INDICATED 35 PSI AFTER POWER REDUCTION IN CRUISE FLT. GROUNDED - YES. MANUALLY TESTED OPERATION OF PRSOV REF B737-9 AMM 36-00-00 AND VALVE FAIL
- [SDR ASAA2023012241614](https://openairdocs.org/sdr/ASAA2023012241614.md): Sensor · erratic · Jan 22, 2023 · N933AK · Boeing 7379 · Fuel Controlling System
  > ASA TECH SERVICES REQUESTS #1 ENGINE T12 SENSOR REPLACEMENT DUE TO ERRATIC CHANNEL A READINGS. GROUNDED - YES. REMOVED #1 ENG T12 SENSOR IAW B737-9 AMM 73-21-06. INSTALLED NEW T12 SENSOR ON #1 ENG REF AMM 73-21-06.
- [SDR ASAA2023012511641](https://openairdocs.org/sdr/ASAA2023012511641.md): Anti-Ice Valve · faulted · Jan 21, 2023 · N933AK · Boeing 7379 · Engine Anti-Icing System
  > REF DEFECT #60515379 #1 ENGINE COWL ANTI-ICE VALVE ON @ ROLLOUT. GROUNDED - YES. REMOVED & REPLACED #1 ENG ANTI ICE VLV PER B737-9 AMM 30-21-11-400-801.
- [SDR ASAA2023012141620](https://openairdocs.org/sdr/ASAA2023012141620.md): Fadec · faulted · Jan 21, 2023 · N933AK · Boeing 7379 · Fuel Controlling System
  > ON TAKEOFF ROLL AT JUST PRIOR TO 80 KTS, THE MASTER CAUTION ILLUMINATED AND WE ABORTED THE TAKEOFF AT AROUND 100 KTS. THE #1 ENGINE ANTI-ICE COWL VALVE LIGHT WAS ON. ON THE ROLLOUT AT LOW SPEED WE NOTICED THE #1 ENGINE HAD FAILED. GROUNDED - YES. REMOVED AND R
- [SDR ASAA2023012301593](https://openairdocs.org/sdr/ASAA2023012301593.md): Fmc · false indication · Jan 20, 2023 · N933AK · Boeing 7379 · Flight Management Computing Hardware System
  > "FMC DISAGREE" SHOWN ON BOTH MCDU SCRATCHPADS UPON ARRIVAL AT A/C. GROUNDED - YES. CYCLED FMC CIRCUIT BREAKERS PER B737-9 IFIM TASK 34-61-00-810-918. OBSERVED FAULT OUT OF VIEW. NO FURTHER FAULT OBSERVED.
- [SDR ASAA2023010541443](https://openairdocs.org/sdr/ASAA2023010541443.md): Warning Light · false activation · Jan 5, 2023 · N933AK · Boeing 7379 · Windshield/Door Rain/Ice Removal
  > CAPTAIN'S FWD WINDOW HEAT OVERHEAT ON CLIMBOUT FROM KONA. GROUNDED - YES. RAN ASA QRH. LIGHT WENT OUT. OPS NORMAL.
- [SDR ASAA2022112040901](https://openairdocs.org/sdr/ASAA2022112040901.md): Filter · clogged · Nov 20, 2022 · N933AK · Boeing 7379 · APU Oil System
  > REFERENCE ASA LOG PAGE 60411597 DURING TROUBLE SHOOTING FOUND APU OIL FILTER CLOGGING INDICATOR TRIPPED. GROUNDED - YES. IN ACCORDANCE WITH B737-9 AMM 49-91-13-600-801 REMOVED AND REPLACED LUBE FILTER ELEMENT IN ACCORDANCE WITH AMM 49-91-12-600-801 LEAK CK GOO
- [SDR ASAA2022110740667](https://openairdocs.org/sdr/ASAA2022110740667.md): Anti-Ice Valve · failed · Nov 7, 2022 · N933AK · Boeing 7379 · Airfoil Anti/De-ice System
  > WING ANTI-ICE "L VALVE" CAUTION LIGHT ILLUMINATED WHEN SELECTING WING ANTI-ICE ON. GROUNDED - YES. REMOVED AND REPLACED "L VALVE" ON #1 ENG ANTI ICE VALVE PER B737-9 AMM 30-11-11-000-801 AND 30-11-11-400-801. OPS CHECK GOOD PER AMMM 30-11-11-11-710-801.
- [SDR ASAA2022102540471](https://openairdocs.org/sdr/ASAA2022102540471.md): Warning Light · false indication · Oct 25, 2022 · N933AK · Boeing 7379 · Autopilot System
  > SPEED TRIM FAIL LIGHT ILLUMINATES ON MASTER CAUTION RECALL, GOES OUT WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED BITE TEST OF THE DFCS CHANNEL A - AND - B BOTH TESTS SHOW PASS FAULT CLEARED.
- [SDR ASAA2022071439096](https://openairdocs.org/sdr/ASAA2022071439096.md): Converter · faulty · Jul 14, 2022 · N933AK · Boeing 7379 · APU Start/Ignition System
  > APU FAULT LIGHT ILLUMINATED ON START ATTEMPT. GROUNDED - YES. REMOVED & REPLACED APU STARTER CONVERTER REF B737-9 AMM 49-41-21.
- [SDR ASAA2022071339048](https://openairdocs.org/sdr/ASAA2022071339048.md): Autothrottle Sys · disengaged · Jul 13, 2022 · N933AK · Boeing 7379 · Auto Throttle System
  > AUTOTHROTTLE DISENGAGED ON THE GROUND BEFORE TAKEOFF WOULD NOT RE-ENGAGE. GROUNDED - YES. ACCOMPLISHED AUTOTHROTTLE SYSTEM OPERATIONAL TEST REF B737-9 AMM 22-31-00-710-801. OP CK GOOD.
- [SDR ASAA2022070438928](https://openairdocs.org/sdr/ASAA2022070438928.md): Actuator · faulty · Jul 4, 2022 · N933AK · Boeing 7379 · Cabin Cooling System
  > FOUND MAINT CAUTION LIGHT ILLUMINATED DURING PRE-FLIGHT. GROUNDED - YES. FOUND FAULT FOR LEFT EXHAUST ACTUATOR. REMOVED AND REPLACED LEFT RAM AIR EXHAUST ACTUATOR PER B737-9 AMM 21-51-27/401, OPS NORMAL. NO FAULTS FOUND. GROUND VERIFICATION SUCCESSFUL.
- [SDR ASAA2022070438926](https://openairdocs.org/sdr/ASAA2022070438926.md): Circuit Breaker · popped · Jul 4, 2022 · N933AK · Boeing 7379 · Independent Position Determining System
  > WX RADAR FAIL ILLUMINATED. FOUND P-6-1-D13 CB POPPED. GROUNDED - YES. AIR TURNBACK - ACCOMPLISHED C/B RESET PROCEDURE REF B737-9 AMM 20-60-01 & SSM 34-41-11-102. NO DEFECTS NOTED. RADAR OP CK NORMAL. REF AMM 34-41-00-710-801.
- [SDR ASAA2022070438901](https://openairdocs.org/sdr/ASAA2022070438901.md): Autopilot Sys · intermittent · Jul 4, 2022 · N933AK · Boeing 7379 · Autopilot System
  > SPEED TRIM FAIL ON DESCENT. GROUNDED - YES. FCC-B LOGGED MSG 22-11186.TRIM CMD RESPONSE MONITOR. COULD NOT DUPLICATE MALFUNCTION. ACCOMPLISHED SPEED TRIM GROUP #20 BITE. NO DEFECTS NOTED. MEETS CRITERIA OF NUISANCE FAULT. REF B737-9 IFIM 22-11-00-810-C61.
- [SDR ASAA2022070338894](https://openairdocs.org/sdr/ASAA2022070338894.md): Ram Air Door · fault message · Jul 3, 2022 · N933AK · Boeing 7379 · Cabin Cooling System
  > "MAINT" LIGHT ILLUMINATED ON LANDING ROLLOUT. GROUNDED - YES. CHECKED STATUS MESSAGE PAGE & NOTED PACK RAM AIR L. PRESENT LEG FAULTS NOTED MAINT MESSAGE 21-55010. LEFT AIR CONDITIONING PACK EXIT RAM AIR DOOR ACTUATOR HAS A SIGNAL ERROR. C/W B737-9 IFIM INITIAL
- [SDR ASAA2022062538794](https://openairdocs.org/sdr/ASAA2022062538794.md): Actuator · inoperative · Jun 25, 2022 · N933AK · Boeing 7379 · Cabin Cooling System
  > AFTER LANDING OVERHEAD MAINT AMBER LIGHT ILLUMINATED. GROUNDED - YES. FOUND FAULT CODE 21-55010 VERIFIED LEFT PACK EXHAUST ACTUATOR HAS FAULT AND IS NOT WORKING REPLACED LEFT PACK EXHAUST ACTUATOR REF B737-9 AMM 21-51-27 OPS GOOD MX LIGHT REMAINS EXTINGUISHED.
- [SDR ASAA2022062238758](https://openairdocs.org/sdr/ASAA2022062238758.md): Pump · leaking · Jun 22, 2022 · N933AK · Boeing 7379 · Engine Fuel Distribution
  > #2 ENGINE LEAKING FUEL AT THE DRAIN MAST. FUEL IS COMING FROM THE ENGINE FUEL PUMP. GROUNDED - YES. REMOVED AND REPLACED FUEL PUMP ON #2 ENGINE IAW B737-9 AMM 73-11-01-400. PERFORMED LEAK CHECK. NO DEFECTS NOTED. A/C OK FOR SERVICE.
- [SDR ASAA2022061738697](https://openairdocs.org/sdr/ASAA2022061738697.md): Fmc · fault message · Jun 17, 2022 · N933AK · Boeing 7379 · Flight Management Computing Hardware System
  > ON LANDING OVERHEAD "MAINT" LIGHT ILLUMINATED ALONG WITH ASSOCIATED MASTER CAUTION LIGHT (SEA MCT ADVISED VIA VHF RADIO AT APPROX 00:48Z) GROUNDED - YES. MSG 34-60191 ON OMF BITE, GVI ON TAT PROBE WITH NO DEFECTS NOTED. NO FAULT ON ADIRU BITE, LEFT FMC RECORDE
- [SDR ASAA2022061538671](https://openairdocs.org/sdr/ASAA2022061538671.md): Anti-Ice Valve · stuck · Jun 15, 2022 · N933AK · Boeing 7379 · Airfoil Anti/De-ice System
  > WING ANTI-ICE R VALVE CAUTION LIGHT ILLUMINATED DURING DESCENT WHEN WING ANTI-ICE WAS SELECTED ON. EXTINGUISHED WHEN WING ANTI-ICE WAS TURNED OFF. GROUNDED - YES. PILOT VERBAL- OPERATED NORM AFTER CYCLING BACK TO ON. THEN CYCLED ANTI-ICE SWITCH OFF & BACK ON A
- [SDR ASAA2022061338647](https://openairdocs.org/sdr/ASAA2022061338647.md): Circuit Breaker · popped · Jun 13, 2022 · N933AK · Boeing 7379 · Windshield/Door Rain/Ice Removal
  > RIGHT FWD WINDOW HEAT OVERHEAT ANNUNCIATOR LIGHT ON AFTER TAXIING. GROUNDED - YES. PERFORMED OPS TEST OF WINDOW HEAT SYSTEM IAW B737-9 AMM 30-41-00-710-801 R1 WINDOW WOULD NOT TEST. PERFORMED BITE TEST OF WHCUS. NO LIGHTS ON R1 WINDOW SIDE. FOUND C/B B8 P6-5 P
- [SDR ASAA2022061138613](https://openairdocs.org/sdr/ASAA2022061138613.md): Apu · failed · Jun 11, 2022 · N933AK · Boeing 7379 · AC Generation System
  > AC WILL NOT TAKE GROUND POWER. GROUNDED - YES. FLIGHT CREW FURTHER CLARIFIED THAT APU WOULD NOT START, NO GROUND SERVICE POWER (SYMPTOMS DESCRIBED IN B737-9 IFIM TASK 24-22-00-810-801). REMOVED AND REPLACED AUXILIARY POWER BREAKER C803 PER B737-9 AMM 24-21-41.
- [SDR ASAA2022060738590](https://openairdocs.org/sdr/ASAA2022060738590.md): Autopilot Sys · warning light · Jun 7, 2022 · N933AK · Boeing 7379 · Autopilot System
  > SPEED TRIM FAIL LIGHT CAME ON W/RECALL AT TOP OF DESCENT. GROUNDED - YES. DFCS FLT FAULTS SHOW CHAN A MSG 22-11186 TRIM CMD RESPSE MON. & CHAN B MSG 22-11186 PLUS STAB TRIM FAIL MSG 22-11161.PERFORMED DFCS 20.32 LRU TESTS CHA AND CHB, TESTS PASS REF B737-9 IFI
- [SDR ASAA2022052438446](https://openairdocs.org/sdr/ASAA2022052438446.md): Receiver · failed · May 24, 2022 · N933AK · Boeing 7379 · Independent Position Determining System
  > WXR FAIL INDICATED ON BOTH INBOARD DISPLAY UNTIS. GROUNDED - YES. REF B737-9 AMM 34-41-42 REMOVED AND REPLACED WXR RECEIVER, PROCESSOR. OPS CHECK GOOD A/C OK FOR SERVICE.

Next page: https://openairdocs.org/aircraft/N933AK/reports.md?page=2

## 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 = 'N933AK' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N933AK/reports

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.