# N934AK: Boeing 737-9

- Status: Valid registration
- Airframe: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (registry code 138469A, 48 seats)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 43374
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Certificate issued: March 29, 2022
- Expires: March 31, 2029
- Mode S code: ACF48F
- Registered owner: [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Corporation
- Owner's area on the map: 40.7558° N, 111.8843° W: Placed by OpenAirDocs at the center of ZIP code 84111, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=934AK
- Page: https://openairdocs.org/aircraft/N934AK

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 39 in force

### Matched by airframe (Boeing 737-9)

- [AD 2026-18-07](https://openairdocs.org/ad/2026-18-07): Fuselage · Boeing 737-8, 737-9 and 737-8200. Effective Oct 22, 2026
- [AD 2026-15-11](https://openairdocs.org/ad/2026-15-11): Fuselage · Boeing 737-8, 737-9 and 737-8200. Effective Sep 10, 2026
- [AD 2026-14-11](https://openairdocs.org/ad/2026-14-11): Air Conditioning · Boeing 737-8, 737-9 and 737-8200. Effective Jul 13, 2026
- [AD 2026-13-17](https://openairdocs.org/ad/2026-13-17): Navigation · Boeing 737-8, 737-9 and 737-8200. Effective Jul 1, 2026
- [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026
- [AD 2025-25-04](https://openairdocs.org/ad/2025-25-04): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 6 more. Effective Jan 16, 2026
- [AD 2025-02-07](https://openairdocs.org/ad/2025-02-07): Navigation · Modification of Rockwell Collins, Inc. Multi-Mode Receiver (STC ST01883WI or 4 others). Effective Mar 17, 2025
- [AD 2024-23-11](https://openairdocs.org/ad/2024-23-11): Flight controls · Boeing 737-8, 737-9 and 737-8200. Effective Jan 6, 2025
- [AD 2024-19-06](https://openairdocs.org/ad/2024-19-06): Ice/Rain Protection System · Boeing 737-8 and 737-9. Effective Nov 26, 2024
- [AD 2024-13-02](https://openairdocs.org/ad/2024-13-02): Oxygen · Boeing 737-8, 737-9, 737-8200 and 3 more. Effective Jul 25, 2024
- [AD 2024-06-03](https://openairdocs.org/ad/2024-06-03): Electrical Power · Boeing 737-8 and 737-9. Effective May 22, 2024
- [AD 2024-03-04](https://openairdocs.org/ad/2024-03-04): Flight controls · Boeing 737-8, 737-9 and 737-8200. Effective Feb 12, 2024
- [AD 2024-02-51](https://openairdocs.org/ad/2024-02-51): Doors · Boeing 737-9. Effective Jan 18, 2024
- [AD 2023-15-05](https://openairdocs.org/ad/2023-15-05): Ice and Rain Protection, Powerplant · Boeing 737-8, 737-9 and 737-8200. Effective Aug 25, 2023
- [AD 2023-12-11](https://openairdocs.org/ad/2023-12-11): Navigation · Boeing 737-8, 737-9 and 737-8200. Effective Jun 21, 2023
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 2023-05-06](https://openairdocs.org/ad/2023-05-06): Fuel · Boeing 737-8, 737-9 and 737-8200. Effective May 10, 2023
- [AD 2023-04-17](https://openairdocs.org/ad/2023-04-17): Fuel · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective May 1, 2023
- [AD 2023-06-10](https://openairdocs.org/ad/2023-06-10): Ice and Rain Protection, Powerplant · Boeing 737-8, 737-8200 and 737-9. Effective Apr 11, 2023
- [AD 2022-24-09](https://openairdocs.org/ad/2022-24-09): Air conditioning · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 12 more. Effective Jan 26, 2023
- [AD 2022-06-06](https://openairdocs.org/ad/2022-06-06): Flight controls · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Jun 16, 2022
- [AD 2021-19-19](https://openairdocs.org/ad/2021-19-19): Wings · Boeing 737-9. Effective Dec 8, 2021
- [AD 2021-13-18](https://openairdocs.org/ad/2021-13-18): Powerplant · Boeing 737-8, 737-8200 and 737-9. Effective Sep 3, 2021
- [AD 2021-16-15](https://openairdocs.org/ad/2021-16-15): Air conditioning · Boeing 737-8, 737-800 Series, 737-8200 and 2 more. Effective Aug 9, 2021
- [AD 2021-12-13](https://openairdocs.org/ad/2021-12-13): Fuel · Boeing 737-8 and 737-9. Effective Jul 29, 2021
- [AD 2021-10-07](https://openairdocs.org/ad/2021-10-07): Autoflight, Flight controls · Boeing 737-8 and 737-9. Effective Jul 8, 2021
- [AD 2021-08-04](https://openairdocs.org/ad/2021-08-04): Oxygen · Boeing 737-200 Series, 737-300 Series, 737-400 Series and 23 more. Effective May 26, 2021
- [AD 2021-09-08](https://openairdocs.org/ad/2021-09-08): Electrical power system · Boeing 737-8 and 737-9. Effective Apr 30, 2021
- [AD 2021-01-04](https://openairdocs.org/ad/2021-01-04): Doors · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Mar 29, 2021
- [AD 2020-24-02](https://openairdocs.org/ad/2020-24-02): Auto flight, Flight controls, and Indicating/recording systems · Boeing 737-8 and 737-9. Effective Nov 20, 2020
- [AD 2020-21-02](https://openairdocs.org/ad/2020-21-02): Fire protection · Airbus Canada Limited Partnership BD-500-1A10, BD-500-1A11, A330-201 and 45 more. Effective Nov 19, 2020
- [AD 2020-11-12](https://openairdocs.org/ad/2020-11-12): Nacelles/pylons · Boeing 737-8 and 737-9. Effective Jul 30, 2020
- [AD 2020-14-09](https://openairdocs.org/ad/2020-14-09): Fuel storage · Boeing 737-8 and 737-9. Effective Jul 15, 2020
- [AD 2020-03-10](https://openairdocs.org/ad/2020-03-10): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Mar 27, 2020
- [AD 2019-18-03](https://openairdocs.org/ad/2019-18-03): Exhaust · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Oct 3, 2019
- [AD 2019-14-12](https://openairdocs.org/ad/2019-14-12): Flight Controls · Boeing 737-8 and 737-9. Effective Aug 30, 2019
- [AD 2019-14-02](https://openairdocs.org/ad/2019-14-02): Hydraulic power · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 11 more. Effective Aug 27, 2019
- [AD 2018-23-12](https://openairdocs.org/ad/2018-23-12): Equipment/furnishings · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 180 more. Effective Dec 28, 2018
- [AD 2018-20-13](https://openairdocs.org/ad/2018-20-13): Fuel · Boeing 757-200 Series, 757-200CB Series, 757-200PF Series and 13 more. Effective Nov 15, 2018

### Historical (superseded or no longer in force)

- [AD 2026-13-05](https://openairdocs.org/ad/2026-13-05) (historical): Air conditioning · Boeing 737-8, 737-9 and 737-8200. Effective Jul 16, 2026
- [AD 2026-04-05](https://openairdocs.org/ad/2026-04-05) (historical): Electrical Power · Boeing 737-8, 737-9 and 737-8200. Effective Feb 24, 2026
- [AD 2023-09-04](https://openairdocs.org/ad/2023-09-04) (historical): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Jun 29, 2023
- [AD 2022-03-20](https://openairdocs.org/ad/2022-03-20) (historical): Navigation · Boeing 737-8, 737-9 and 737-8200. Effective Jan 31, 2022
- [AD 2021-14-20](https://openairdocs.org/ad/2021-14-20) (historical): Cabin Altitude Pressure Switches · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 12 more. Effective Jul 20, 2021
- [AD 2020-03-20](https://openairdocs.org/ad/2020-03-20) (historical): Navigation · Modification of Rockwell Collins, Inc. Multi-Mode Receiver (STC ST01883WI or 4 others). Effective Feb 18, 2020
- [AD 2018-23-51](https://openairdocs.org/ad/2018-23-51) (historical): Flight controls · Boeing 737-8 and 737-9. Effective Dec 21, 2018

## Information bulletins (advisory) (4 in force)

- [SAIB 2026-17](https://openairdocs.org/saib/2026-17): VNAV Approach Disconnect Following Missed Approach, Anomaly on Airplanes with FMC U14.0/14.1. Issued Oct 3, 2026
- [SAIB NM-20-02](https://openairdocs.org/saib/NM-20-02): Fire Protection. Issued Mar 11, 2020
- [SAIB NE-19-03](https://openairdocs.org/saib/NE-19-03): Escape Slide Maintenance Tasks and Intervals - JASC 2565. Issued Feb 19, 2019
- [SAIB NM-18-33](https://openairdocs.org/saib/NM-18-33): Engine Fuel and Control. Issued Dec 17, 2018

## NTSB investigations

None matched to N934AK.

## FAA accident and incident reports

None matched to N934AK.

## Service difficulty reports (56, newest 50)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR ASAA2026030564726](https://openairdocs.org/sdr/ASAA2026030564726), Mar 5, 2026: LAMP. INOPERATIVE. L2 EXTERIOR EMERGENCY LIGHT INOPERATIVE. GROUNDED - YES. REPLACED LAMP. OPS CHECK GOOD. REF AMM 33-51-04.
- [SDR ASAA2026010763632](https://openairdocs.org/sdr/ASAA2026010763632), Jan 7, 2026: LAMP. INOPERATIVE. WHILE ACCOMPLISHING T/C 33-010-00, FOUND SLIDE LIGHT FOR L2 DOOR IS INOPERATIVE. GROUNDED - YES. REMOVED & REPLACED L2 DOOR SLIDE LIGHT IAW AMM 33-51-04, OPS CH
- [SDR ASAA2025110962227](https://openairdocs.org/sdr/ASAA2025110962227), Nov 9, 2025: SEAT TRACK. DAMAGED. PILOT AFT INBOARD SEAT TRACK FAILED INSPECTION. HAS ELONGATED HOLES. SRXR430X. GROUNDED - YES. REMOVED AND REPLACED AFT I/B SEAT TRACK AT PILOT SEAT. IAW IPECO 
- [SDR ASAA2025110962226](https://openairdocs.org/sdr/ASAA2025110962226), Nov 9, 2025: SEAT TRACK. DAMAGED. COPILOT AFT INBOARD SEAT TRACK FAILED INSPECTION, HAS ELONGATED HOLES. SRXR430X. GROUNDED - YES. REMOVED AND REPLACED AFT I/B SEAT TRACK AT COPILOT SEAT. IAW IP
- [SDR ASAA2025101861699](https://openairdocs.org/sdr/ASAA2025101861699), Oct 18, 2025: DOOR. BINDING. WHILE TRYING TO CLOSE BOARDING DOOR (L1) LOUD SQUEAK AND RESISTANCE NOTICED. GROUNDED - YES. REFERENCE AMM 52-11-00 OPERATE L1 DOOR THROUGH SEVERAL CYCLES OBSER
- [SDR ASAA2025051157883](https://openairdocs.org/sdr/ASAA2025051157883), May 11, 2025: LENS. DETACHED. PER FA " EXIT" SIGN NEAR R1 DOOR, OVER GALLEY TRASH HAS FALLEN OFF HOUSING. GROUNDED - YES. REPLACED LENSE COVER IN REF TO AMM 33-51-01.
- [SDR ASAA2025041157255](https://openairdocs.org/sdr/ASAA2025041157255), Apr 11, 2025: LENS. MISSING. ROW 16ABC EMERGENCY EXIT SIGN COVER MISSING. GROUNDED - YES. TNSTALLED REPLACEMENT LENS FOR 16A EMERGENCY EXIT LIGHT.
- [SDR ASAA2025031856691](https://openairdocs.org/sdr/ASAA2025031856691), Mar 18, 2025: LENS. DETACHED. L2 EXIT LIGHT COVER FELL OFF. GROUNDED - YES. RE-ATTACHED L2 EXIT LIGHT COVER. OKAY FOR CONTINUED SERVICE.
- [SDR ASAA2025030356362](https://openairdocs.org/sdr/ASAA2025030356362), Mar 3, 2025: LENS. MISSING. BELOW WINDOW EXIT SIGNAGE MISSING ROW 16A AND 17A. GROUNDED - YES. REPLACED EXIT SIGN LIGHT ASSY AT 17A AND LENS COVER AT 16A - REF AMM 33-51-04.
- [SDR ASAA2024101653213](https://openairdocs.org/sdr/ASAA2024101653213), Oct 16, 2024: LAMP. INOPERATIVE. WHILE WORKING TC33-010-00, LH SLIDE LIGHT FOUND INOP. GROUNDED - YES. LH SLIDE EMERGENCY LIGHT RELAMPED REF AMM 33-51-04. OPS CHECKS GOOD.
- [SDR ASAA2023111146135](https://openairdocs.org/sdr/ASAA2023111146135), Nov 11, 2023: UNKNOWN. UNKNOWN. L VALVE LT ILLUMINATED DURING USE OF WING ANTI-ICE- COULD NEVER GET VALVE TO OPEN DESPITE 3 ATTEMPTS. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM TASK 30-11-00-810
- [SDR ASAA2023103145950](https://openairdocs.org/sdr/ASAA2023103145950), Oct 31, 2023: MANIFOLD. PUNCTURED. #2 ENG - FIRE SLEEVE PUNCTURED ON FUEL SECONDARY MANIFOLD P/N: 2572M36P03 OFF OF THE SCU. GROUNDED - YES. REPLACED SECONDARY FUEL MANIFOLD P/N: 2572M36P03 REF C
- [SDR ASAA2023101345686](https://openairdocs.org/sdr/ASAA2023101345686), Oct 13, 2023: UNKNOWN. UNKNOWN. ABORTED TAKEOFF AROUND 70 KTS DUE TO WINDSHEAR ALERT. NO ADVERSE WEATHER IN AREA. NO PRECIP. GROUNDED - YES. (RESOLVED ON W/O: 1971730 TASKCARD: N/R-00006 ) PER
- [SDR ASAA2023101345639](https://openairdocs.org/sdr/ASAA2023101345639), Oct 13, 2023: UNKNOWN. UNKNOWN. BOTH RTPS SHOW FAIL FAIL WHEN HF2 SELECTED. GROUNDED - YES. INTERROGATED OMF SHOWS MAINTENANCE MESSAGE 23-21042 OPENED C/B D2 AT P6-1, WAITED 30 SECONDS AND THE
- [SDR ASAA2023092445256](https://openairdocs.org/sdr/ASAA2023092445256), Sep 24, 2023: UNKNOWN. UNKNOWN. MAINT LIGHT ILLUM. ON O/H PANEL. GROUNDED - YES. FOUND MAINTENANCE MESSAGE 73-45031 THE OMF SHOWS NOT ACTIVE CONSIDERED INTERMITTENT FAULT ERASED MESSAGE VERIFI
- [SDR ASAA2023092245239](https://openairdocs.org/sdr/ASAA2023092245239), Sep 22, 2023: START VALVE. FAILED. MAINT MSG 80-43511 "STARTER AIR VALVE (SAV) IS FAILED OPEN" SHOWS INACTIVE. GROUNDED - YES. REF. IFIM G80-00-00-810-833 SAV FAILED ACTUATOR TEST. REMOVED AND RE
- [SDR ASAA2023091045049](https://openairdocs.org/sdr/ASAA2023091045049), Sep 10, 2023: UNKNOWN. UNKNOWN. 'FMC DISAGREE' DISPLAYED ON LH AND RH NAV DISPLAYS. GROUNDED - YES. PULLED AND RESET CBS PER QRH. MESSAGE EXTINGUISHED.
- [SDR ASAA2023081544631](https://openairdocs.org/sdr/ASAA2023081544631), Aug 15, 2023: ACTUATOR. FAULTY. L SPAR VALVE CLOSED LIGHT ILLUMINATED BRIGHT AFTER ENGINE START. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE FUEL SPAR VALVE REF AMM 28-22-11. OPERATIONAL TE
- [SDR ASAA2023081244568](https://openairdocs.org/sdr/ASAA2023081244568), Aug 12, 2023: UNKNOWN. UNKNOWN. LEFT FMC DISAGRRE (VTK ON LEFT MAP) FOLLOWED BY RESTORITION UNTIL 1 MINUTE. GROUNDED - YES. REF ILIM 34-61-00-810-918, OMF NO FAULTS, OPS GOOD, NO HISTORY 60 DA
- [SDR ASAA2023081244560](https://openairdocs.org/sdr/ASAA2023081244560), Aug 12, 2023: UNKNOWN. UNKNOWN. REF QRH RIGH FORWARD WINDOW OVERHEAT ILLUMINATED, POSSIBLE OVERHEAT SWITCH BUMPED BY ACCIDENT, ACCOMPLISHED QRH AND WINDOW HEAT RESET AND REMAINED NORMAL. GROUN
- [SDR ASAA2023081044521](https://openairdocs.org/sdr/ASAA2023081044521), Aug 10, 2023: UNKNOWN. UNKNOWN. AFTER MAINTENANCE FOUND BLEED FAMV L&R FAULTS ON STATUS. GROUNDED - YES. ACCOMP ELECTRIC LRU REPLACEMENT TEST AND PNEUMATIC ENG ON - FAMV TEST FOR #1 AND #2 ENG
- [SDR ASAA2023073144350](https://openairdocs.org/sdr/ASAA2023073144350), Jul 31, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C 31-005-00, FOUND "BLEED FAVM RVDT L" ON SCHEDULED MAINTENANCE TASK MESSAGE PAGE. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023073044325](https://openairdocs.org/sdr/ASAA2023073044325), Jul 30, 2023: MODULE. FAULTY. CAPTAIN SIDE LEFT FWD WINDOW HEAT SHOWS OVERHEAT. GROUNDED - YES. C/W WHCU BITE TEST REF. AMM 30-41-11, FOUND P5-9 FAULT LIGHT ILLUMINATEDSEAMC DOUG NOTIFIED NO
- [SDR ASAA2023073044324](https://openairdocs.org/sdr/ASAA2023073044324), Jul 30, 2023: UNKNOWN. UNKNOWN. ON CLIMB OUT #1 ENGINE SPAR VALVE CLOSED LIGHT ILLUMINATED BRIGHT BLUE FOR ABOUT 10 MINUTES, THEN THE LIGHT WENT OUT ON IT'S OWN. GROUNDED - YES. #1 ENG SPAR VA
- [SDR ASAA2023072244211](https://openairdocs.org/sdr/ASAA2023072244211), Jul 22, 2023: MODULATING VALVE. FAULTY. TECH SERVICES REQUEST FOR FOLLOW-UP TO MTX LIGHT & FAULT(#1 LEFT FAMV FAULT 36-12020 #1(LH) FAMV IS NOT IN COMMANDED POSITION)----(#PRI1)----ETOPS SIGNIFICANT S
- [SDR ASAA2023072144176](https://openairdocs.org/sdr/ASAA2023072144176), Jul 21, 2023: UNKNOWN. UNKNOWN. AFTER LANDING GROUND 80 KNOTS "MAINT" LIGHT ILLUMINATED ON OVER HEAD PANEL. GROUNDED - YES. FOUND MAINTEANCE MESSAGE 36-12020 FOR FAMV ENGINE 1 PERFORMED PNEUMA
- [SDR ASAA2023070443899](https://openairdocs.org/sdr/ASAA2023070443899), Jul 4, 2023: UNKNOWN. UNKNOWN. DURING START ENG. NO. 1, CREW ALERTS FLASHED TWICE WITH "START VALVE " ANNUNCIATED. EXTINGUSHED WHEN STARTER SWITCH DISENGAGGED. NO ABNORMAL ENGINE INDICATIONS.
- [SDR ASAA2023070343885](https://openairdocs.org/sdr/ASAA2023070343885), Jul 3, 2023: START VALVE. FAULTY. NEAR END OF START CYCLE OF ENG NO 1 ALL 5 ENGINE ALERT BOXES FLASHED FOR APPR 5 SEC WITH START VALVE BOX ANNUNCIATED. FLASHING STOPPED AND ALL BOXES CLEARED ON 
- [SDR ASAA2023061243561](https://openairdocs.org/sdr/ASAA2023061243561), Jun 12, 2023: UNKNOWN. UNKNOWN. PRIOR TO TOP OF DESCENT WX RADAR FAILED WITH WX FAIL AND PWS FAIL. CYCLED POWER OFF AND ON. RADAR WOULD COME BACK ON BRIEFLY AND FAIL AGAIN. GROUNDED - YES. PER
- [SDR ASAA2023042743043](https://openairdocs.org/sdr/ASAA2023042743043), Apr 27, 2023: UNKNOWN. UNKNOWN. "MAINT" CAUTION LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. FAULT CODES 21-65151 DISPLAYED. ACCOMPLISHED B737-9 IFIM TASK 21-61-00-810-841. SYSTEM TEST AIR
- [SDR ASAA2023040842767](https://openairdocs.org/sdr/ASAA2023040842767), Apr 8, 2023: UNKNOWN. UNKNOWN. AT TOP OF DESCENT (AROUND FL300) WING ANTI-ICE SWITCH WAS SELECTED ON. LEFT VALVE LIGHT ILLUMINATED. TRIED AGAIN AT 10,000 FT AND LEFT VALVE LIGHT ILLUMINATED A
- [SDR ASAA2023040542735](https://openairdocs.org/sdr/ASAA2023040542735), Apr 5, 2023: ELEMENT. CLOGGED. FOUND OIL FILTER INDICATOR DPI ON APU EXTENDED. GROUNDED - YES. SERVICED APU OIL FILTER INDICATOR REF B737-9 AMM TASK 49-91-13-600-801.
- [SDR ASAA2023032042500](https://openairdocs.org/sdr/ASAA2023032042500), Mar 20, 2023: IGNITER. FAILED. #2 ENG NO LIGHT OFF ON R IGNITER. GROUNDED - YES. REMOVED AND REPLACED # 2 ENGINE IGNITER PLUGS REF. B737-9 AMM 74-21-02.
- [SDR ASAA2023031142295](https://openairdocs.org/sdr/ASAA2023031142295), Mar 11, 2023: FLOW SENSOR. NO TEST. ON THE GROUND AT THE GATE. APU ON. NO EXTERNAL AIR. ALL BLEEDS ON, PACKS AUTO, ISO VALVE OPEN. DUCT PRESSURE WENT TO ZERO. DUAL LIGHT FLICKERED AND ANC AIR COND
- [SDR ASAA2023030942263](https://openairdocs.org/sdr/ASAA2023030942263), Mar 9, 2023: UNKNOWN. UNKNOWN. FOUND EMERG LIGHT OVER ROW 23RH INOP. GROUNDED - YES. FOUND ELECTRICAL CONNECTOR DISCONNECTED IN CEILING PANEL. RE-ATTATCHED & OPS TEST GOOD. REF B737-9 AMM 33-
- [SDR ASAA2023030242176](https://openairdocs.org/sdr/ASAA2023030242176), Mar 2, 2023: UNKNOWN. UNKNOWN. WING ANTI-ICE R VALVE ILLUMINATED TURNING ON WING ANTI ICE MASTER CAUTION-ANT ICE A FEW SECONDS LATER. LIGHT WENT OUT AFTER TURNING WAI OFF. CYCLED SWITCH AGAIN
- [SDR ASAA2023022242062](https://openairdocs.org/sdr/ASAA2023022242062), Feb 22, 2023: UNKNOWN. UNKNOWN. SPEED TRIM FAIL LT ILLUMINATED/CLEARED UPON MASTER CAUTION RESET. GROUNDED - YES. NO CURRENT FAULTS. PREVIOUS LEG SHOWS FAULT 22-11303 FCC INTERNAL FAULT. PERFO
- [SDR ASAA2023021241936](https://openairdocs.org/sdr/ASAA2023021241936), Feb 12, 2023: SLIDE. UNKNOWN. FA REPORTS SLIDE ON R1 DOOR NOT COMPLETELY STOWED AND DIFFICULT TO DISARM GIRT BAR. GROUNDED - YES. REMOVED AND REPLACED R1 SLIDE ASSEMBLY REF. B737-9 AMM 25-66
- [SDR ASAA2022122541297](https://openairdocs.org/sdr/ASAA2022122541297), Dec 25, 2022: ENGINE. NONE. ABORTED #2 ENGINE START, VERY SLOW N2 ROTATION. COULD NOT ACHIEVE 25% N2. GROUNDED - YES. PERFORMED ENGINE RUN ON #1 AND #2 NO DEFECTS NOTED BOTH ENGINES OPERAT
- [SDR ASAA2022121841175](https://openairdocs.org/sdr/ASAA2022121841175), Dec 18, 2022: START VALVE. FAULTED. #1 ENG WILL NOT GO ABOVE 16% N2 WHILE MOTORING. GROUNDED - YES. REMOVED AND REPLACED #1 ENG STARTER VALVE REF B737-9 AMM 80-11-02. LEAK CHECK GOOD. TEST 15 - AC
- [SDR ASAA2022110540645](https://openairdocs.org/sdr/ASAA2022110540645), Nov 5, 2022: HEATER. FAULTED. LEFT ELEVATOR PITOT CAUTION LIGHT AND ILLUMINATED AFTER #1 ENGINE WAS STARTED. GROUNDED - YES. IAW B737-9 AMM 27-31-94 LEFT ELEVATOR PITOT PROBE REMOVED/REPLACE
- [SDR ASAA2022101640322](https://openairdocs.org/sdr/ASAA2022101640322), Oct 16, 2022: FMC. FAULTY. INFLIGHT DURING ALL TURNS CP ND HEADING FLICKERED WITH IN A FEW DEGREES BACK AND FOURTH. WOULD NOT STABILIZE. SPURIOUS FMC MSG VERIFY POS: FMC-FMC DURING FLIGHT
- [SDR ASAA2022092040003](https://openairdocs.org/sdr/ASAA2022092040003), Sep 20, 2022: PUMP. LEAKING. WHILE ACCOMPLISHING EXTERIOR CHECK OBSERVED ENG #2 LEAKING FUEL FROM DRAIN MAST. GROUNDED - YES. REMOVED AND REPLACED ENG #2 MAIN FUEL PUMP REF B737-9 AMM 73-11
- [SDR ASAA2022082239595](https://openairdocs.org/sdr/ASAA2022082239595), Aug 22, 2022: UNKNOWN. UNKNOWN. FMC DISAGREE GROUNDED - YES. QRH PROCEDURE ACCOMPLISHED ON THE GROUND. OPS CHECK GOOD.
- [SDR ASAA2022080839410](https://openairdocs.org/sdr/ASAA2022080839410), Aug 8, 2022: FMC. INACCURATE. FMC DISAGREE INDICATED. GROUNDED - YES. SENSOR DATA INDICATES SOLID FCC DATA SYNC ERROR. PER B737-9 IFIM 34-61-00-810-918, FMC 1 AND 2 RESET AND NORMAL OPERATIO
- [SDR ASAA2022080439499](https://openairdocs.org/sdr/ASAA2022080439499), Aug 4, 2022: MODULATING VALVE. FAULTY. FAULT CODE 36145242 ENG 2 FAMV RVDT SIGNAL OUT OF RANGE DETECTED BY: IASC-RIGHT. GROUNDED - YES. REMOVED AND REPLACED #2 FAN AIR MODULATING VALVE REF B737-9 AMM
- [SDR ASAA2022080139326](https://openairdocs.org/sdr/ASAA2022080139326), Aug 1, 2022: UNKNOWN. FAULTY. APU FAULT LIGHT. GROUNDED - YES. REMOVED AND REPLACED STARTER CONVERTER UNIT REF B737-9 AMM 49-41-61. OPS CHK AND BITE TEST GOOD.
- [SDR ASAA2022072339211](https://openairdocs.org/sdr/ASAA2022072339211), Jul 23, 2022: FIRE HANDLE. FAILED INSP. #2 ENG FIRE HANDLE DID NOT ILLUMINATE ON TEST. GROUNDED - YES. CONFIRMED CORE LEFT DETECTOR FAILED RESISTANCE TEST PER B737-9 IFIM 26-11-00-810-823, REMOVED & R
- [SDR ASAA2022070238942](https://openairdocs.org/sdr/ASAA2022070238942), Jul 2, 2022: VALVE. FAULTY. #1 ENG AFTER START, START VALVE LIGHT REMAINS ON. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2022062138753](https://openairdocs.org/sdr/ASAA2022062138753), Jun 21, 2022: SATCOM. ERRATIC. NO SATCOM OPTION ON MCDU MENU PAGE ON CAPTAINS SIDE- ONLY SHOWS ON FO'S MCDU DID NOT RUN SATCOM LOCK UP QRH DUE TO WRONG CB LISTED IN QRH ( QRH SAYS D14; SHOULD

All 56: https://openairdocs.org/aircraft/N934AK/reports.md

## STCs that may be installed (OpenAirDocs) (105, first 50)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Boeing 737-9)

- [STC ST03438NY](https://openairdocs.org/stc/ST03438NY): Installation of Adams Rite Lavatory Equipment. Delta Engineering Corporation
- [STC ST04669CH](https://openairdocs.org/stc/ST04669CH): Installation of Honeywell Advanced Communications and Entertainment System (ACES). Honeywell Aerospace
- [STC ST09941AC](https://openairdocs.org/stc/ST09941AC): Installation of a Gables SATVOICE Annunciator Panel. L2 Aviation
- [STC ST02269NY](https://openairdocs.org/stc/ST02269NY): Installation of Self Illuminating Floor Path Marking System. Lufthansa Technik AG
- [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems
- [STC ST12443LA](https://openairdocs.org/stc/ST12443LA): Installation of Teledyne Controls Edge Computing Platform (ECP). Teledyne Controls, LLC
- [STC ST04474NY](https://openairdocs.org/stc/ST04474NY): Activation of Wireless Local Area Network (WLAN) system. Jet Aviation AG
- [STC ST04254NY](https://openairdocs.org/stc/ST04254NY): Installation of Viasat Satcom Software. ALOFT AeroArchitects
- [STC ST09927AC](https://openairdocs.org/stc/ST09927AC): Installation of a Gables Audio Management System. L2 Aviation
- [STC ST12005SE](https://openairdocs.org/stc/ST12005SE): Installation of Starlink Aviation System. Space Exploration Technologies Corp./Starlink Aviation
- [STC ST04040CH](https://openairdocs.org/stc/ST04040CH): Activation of Smart Runway and Smart Landing (SRSL) Runway Awareness Advisory System (RAAS) Functions for Honeywell Mark V and Mark V-A Enhanced Ground Proximity Warning Systems (EGPWS). Honeywell International Inc
- [STC ST00555AT](https://openairdocs.org/stc/ST00555AT): Installation of Airshow 210 system. AIRCRAFT RECONFIG TECHNOLOGIES, LLC. Lists 737 Series
- [STC ST04384AT](https://openairdocs.org/stc/ST04384AT): Interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST00952LA](https://openairdocs.org/stc/ST00952LA): Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON LLC d/b/a MASS Systems
- [STC ST04328NY](https://openairdocs.org/stc/ST04328NY): The Manufacture and Installation of Exterior Placards, Labels and Signs is to be performed, installed. Libellule Monde Inc
- [STC ST03405NY](https://openairdocs.org/stc/ST03405NY): Installation (with demod option) of an Connectivity Antenna. Delta Engineering Corporation
- [STC ST04758NY](https://openairdocs.org/stc/ST04758NY): Installation of single cockpit USB charger. Eirtech Aviation Services Inc
- [STC ST09844DS](https://openairdocs.org/stc/ST09844DS): This project installs a new Next-IS media server and installation provisions to interface with the Starlink IFC system. United Airlines
- [STC ST04052NY](https://openairdocs.org/stc/ST04052NY): ViaSat KA Cabin Distribution System Installation. ALOFT AeroArchitects
- [STC ST02908NY](https://openairdocs.org/stc/ST02908NY): Installation of a Panasonic Avionics Corporation Global Communications Suite (GCS) and/or In-Flight Entertainment (IFE). Delta Engineering Corporation
- [STC ST04051NY](https://openairdocs.org/stc/ST04051NY): ViaSat KA SATCOM Antenna System Installation. ALOFT AeroArchitects
- [STC ST00030IB](https://openairdocs.org/stc/ST00030IB): Installation of Test Tech ELT. APTOZ EHF
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC ST12102IB](https://openairdocs.org/stc/ST12102IB): Installation of a Honeywell Aspire 400 SBB Satcom and/or an AMT-3800 high gain antenna. Jet Aviation AG
- [STC ST12059IB](https://openairdocs.org/stc/ST12059IB): Installation of Seat to Floor Interface - isotropic intercostals for installation of seats and divans. JET AVIATION AG
- [STC ST04243NY](https://openairdocs.org/stc/ST04243NY): Installation of the ALOFT AeroArchitects Auxiliary Fuel System (AFS). ALOFT AeroArchitects
- [STC ST04368AT](https://openairdocs.org/stc/ST04368AT): Installation of a Rockwell Collins CMU-900 ACARS/CPDLC Communication Management Unit P/N 822-1239-151 to provide Data Link communications via existing data link capable VHF Mode 2 (VDLM2), HF and/or SATCOM systems and host the CPDLC application which support EASA Link 2000+ communications. LB Aircraft Engineering Inc
- [STC ST00079IB](https://openairdocs.org/stc/ST00079IB): Integration of Halon-free Portable Fire Extinguisher HAFEX. UMLAUT ENGINEERING GMBH
- [STC ST00215IB](https://openairdocs.org/stc/ST00215IB): Installation of saf-Tglo ECO Photoluminescent Aisle Path Marking Systems. STG AEROSPACE GERMANY GmbH
- [STC ST01936WI](https://openairdocs.org/stc/ST01936WI): Installation of LED lights. AeroLED's Holdings LLC
- [STC ST09830DS](https://openairdocs.org/stc/ST09830DS): AVOD Integration on Boeing B737-9 fleet. United Airlines
- [STC ST04585AT](https://openairdocs.org/stc/ST04585AT): Installation of a Cobham AVIATOR 200S Inmarsat / Swift Broadband Satellite Communications System. Avionics Support Group
- [STC ST04071NY](https://openairdocs.org/stc/ST04071NY): Installation of VisionSafe Emergency Vision Assurance System (EVAS). VisionSafe LLC
- [STC ST03952NY](https://openairdocs.org/stc/ST03952NY): Installation of Controller-Pilot Data-Link communications. 365 Aerospace Ltd Aerospace Logistics Centre
- [STC ST03403NY](https://openairdocs.org/stc/ST03403NY): Installation of a Intelsat Cabin Connectivity (with demod option) system. Delta Engineering Corporation
- [STC ST04493AT](https://openairdocs.org/stc/ST04493AT): Interior Reconfiguration (Carpet Installation). ZIM Aircraft Cabin Solutions LLC
- [STC ST00161IB](https://openairdocs.org/stc/ST00161IB): Installation of a DK180 Underwater Locator Device (ULD) using Dukane mounting bracket. Fokker Services B.V
- [STC ST00158IB](https://openairdocs.org/stc/ST00158IB): Installation of Tablet Cradle, consisting of the installation of 2 arm mounts on the existing sliding windows (both sides, Captain and First Officer). PMV Engineering
- [STC ST04203AT](https://openairdocs.org/stc/ST04203AT): Installation of a Constant Friction Mount , Cradle, and Integrated Power Supply. Avionics Support Group Inc
- [STC ST11386DS](https://openairdocs.org/stc/ST11386DS): Installation of USB Charging Hubs on the Flight Deck. Aircraft Systems and Manufacturing Inc
- [STC ST00792NY](https://openairdocs.org/stc/ST00792NY): Installation of evacuation slide and compartment assemblies. Air Cruisers
- [STC ST00126IB](https://openairdocs.org/stc/ST00126IB): Replacement of Halon agent with alternate Halon-free Portable Fire Extinguisher agent. AMAC Aerospace Switzerland AG
- [STC ST00140IB](https://openairdocs.org/stc/ST00140IB): Installation of Potable Water Pre-Select system. International Water-Guard Industries Inc
- [STC ST04664NY](https://openairdocs.org/stc/ST04664NY): Activation of Wireless Local Area Network (WLAN) system. AMAC Aerospace AG
- [STC ST00121IB](https://openairdocs.org/stc/ST00121IB): Installation of photoluminescent floor path marking with the option to install LED lighting. Cobalt Aerospace Limited
- [STC ST04562NY](https://openairdocs.org/stc/ST04562NY): Installation of saf-Tglo® SuperSeal UltraLite-X (SSUL-X) Photoluminescent Floor Proximity Emergency Escape Path Marking Systems. STG AEROSPACE GERMANY GmbH
- [STC ST00105IB](https://openairdocs.org/stc/ST00105IB): Introduction of Activation of Wireless Charging Systems for Portable Electronic Devices. AMAC AEROSPACE SWITZERLAND AG
- [STC ST04594CH](https://openairdocs.org/stc/ST04594CH): Installation of a Viasat Cellular Data Modem (VCDM). Envoy Aerospace LLC
- [STC ST02747SE](https://openairdocs.org/stc/ST02747SE): Remove existing two (2) Branding Panels from forward monuments and install new two (2) Jamco Branding Panels on Boeing Model 737-9 aircraft. Jamco America, Inc
- [STC SA00787SE](https://openairdocs.org/stc/SA00787SE): Installation of Sliding Carpet Cargo Loading System in the cargo compartment. SBC-America LLC

All 105: https://openairdocs.org/aircraft/N934AK/stcs.md

## Related

- Other Boeing 737-9 aircraft: https://openairdocs.org/model/boeing-737-9/aircraft.md

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