# N948AK: 2022 Boeing 737-9

- Status: Valid registration
- Airframe: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (registry code 138469A, 48 seats)
- Engine: [CFM International LEAP-1B28 series](https://openairdocs.org/engine/cfm-international-leap-1b28-series) (registry code 13120)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company), [TCDS E00088EN](https://openairdocs.org/tcds/E00088EN) (CFM International S.A.) (OpenAirDocs)
- Serial number: 44090
- Year built: 2022
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: September 19, 2022
- Certificate issued: October 7, 2022
- Expires: October 31, 2029
- Mode S code: AD2AEA
- Registered owner: [Alaska Airlines Inc](https://openairdocs.org/faa-owner/ALASKA%20AIRLINES%20INC)
- Location: [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle)
- Owner type: Corporation
- Owner's area on the map: 47.4466° N, 122.2721° W: Placed by OpenAirDocs at the center of ZIP code 98188, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=948AK
- Page: https://openairdocs.org/aircraft/N948AK

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. The registry lists only the engine series, so ADs for every CFM International LEAP-1B28 model are included.

## ADs that may apply (OpenAirDocs): 48 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

### Matched by engine (CFM International LEAP-1B28 series)

- [AD 2025-14-08](https://openairdocs.org/ad/2025-14-08): Turbine Section · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Aug 25, 2025
- [AD 2025-04-12](https://openairdocs.org/ad/2025-04-12): Turbine Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 24 more. Effective Apr 8, 2025
- [AD 2024-25-02](https://openairdocs.org/ad/2024-25-02): Turbine Engine Compressor Section · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Feb 12, 2025
- [AD 2023-07-11](https://openairdocs.org/ad/2023-07-11): Turbine Engine Compressor Section · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Jun 13, 2023
- [AD 2022-17-02](https://openairdocs.org/ad/2022-17-02): Turbine Engine Accessory Drive · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Oct 20, 2022
- [AD 2022-11-02](https://openairdocs.org/ad/2022-11-02): Turbine Engine Compressor Section, Turbine Section · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Jul 8, 2022
- [AD 2021-10-06](https://openairdocs.org/ad/2021-10-06): Engine Controls · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective May 10, 2021
- [AD 2020-06-01](https://openairdocs.org/ad/2020-06-01): Turbine/Turboprop · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Apr 16, 2020
- [AD 2018-20-01](https://openairdocs.org/ad/2018-20-01): Turbine Section · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Dec 17, 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
- [AD 2023-23-12](https://openairdocs.org/ad/2023-23-12) (historical): Turbine Section · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Jan 16, 2024
- [AD 2019-12-01](https://openairdocs.org/ad/2019-12-01) (historical): Turbine Engine Accessory Drive · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Jul 3, 2019
- [AD 2018-25-09](https://openairdocs.org/ad/2018-25-09) (historical): Engine Controls · CFM International LEAP-1B21, LEAP-1B23, LEAP-1B25 and 8 more. Effective Dec 26, 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 N948AK.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20230705010549I](https://openairdocs.org/incident/20230705010549I), Jul 5, 2023: Boeing 737-9 (N948AK), Spokane, WA, No damage. On July 5, 2023 a security event occurred on board a flight from atlanta, ga to seattle, WA (atl-sea). While in cruise, at approximately 1530 PDT (2:15 from…

## Service difficulty reports (37)

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 ASAA2025101961726](https://openairdocs.org/sdr/ASAA2025101961726), Oct 19, 2025: LIGHT. MISSING. 3 INCH STRIP OF EMERGENCY EXIT LIGHTING IS MISSING FROM FLOOR. GROUNDED - YES. REMOVED DEFECTIVE 3'' PIECE OF PHOTOLUMINESCENT STRIP AT 16 DEF. ALSO REMOVED ADJ
- [SDR ASAA2024031948548](https://openairdocs.org/sdr/ASAA2024031948548), Mar 19, 2024: LIGHT. MALFUNCTIONED. EMER EXIT LIGHTS NOT ARMED LIGHT REMAINED ILLUMINATE WHEN SWITCH MOVED TO ARMED. GROUNDED - YES. CYCLED AIRCRAFT POWER AND PERFORMED EMERGENCY LIGHT OPS TEST AM
- [SDR ASAA2023102545850](https://openairdocs.org/sdr/ASAA2023102545850), Oct 25, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C 31-005-00 FOUND BLEED PM SENSOR 1 L SMT MAINT MESSAGE 36-21020. GROUNDED - YES. PERFORMED IFIM TASK 36-21-00-810-803. INITIAL EVAL FOUND
- [SDR ASAA2023092845359](https://openairdocs.org/sdr/ASAA2023092845359), Sep 28, 2023: UNKNOWN. UNKNOWN. MAINTENANCE LIGHT ILLUMINATED. GROUNDED - YES. FOUND FAULT CODE 36-12020. COMPLIED WITH AMM 36-00-00-730-801. ALL FAULT INDICATIONS CLEARED. AIRCRAFT OK FOR SER
- [SDR ASAA2023092645348](https://openairdocs.org/sdr/ASAA2023092645348), Sep 26, 2023: UNKNOWN. UNKNOWN. AFTER LANDING MAINTENANCE CAUTION ILLUMINATED. GROUNDED - YES. FOUND FAULT CODE 36-12020. COMPLIED WITH AMM 36-00-00-730-801 ALL FAULT INDICATIONS CLEARED. AIRC
- [SDR ASAA2023092445301](https://openairdocs.org/sdr/ASAA2023092445301), Sep 24, 2023: UNKNOWN. UNKNOWN. AFTER LANDING, OVERHEAD "MAINT" LIGHT ILLUMINATED. SYSTEM STATUS MESSAGE READS " BLEED FAMV L". GROUNDED - YES. INTERAGATED OMF FOUND 2 MX MSG'S 36-12020 & 36-2
- [SDR ASAA2023092445294](https://openairdocs.org/sdr/ASAA2023092445294), Sep 24, 2023: CONTACTOR. FAULTY. ON PREFLIGHT FOUND THE SOURCE OFF WITH APU SELECTED ON LEFT / #1. GROUNDED - YES. REMOVED AND REPLACED AUXILIARY POWER BREAKER C803- P91 AND PERFORMED GOOD TEST
- [SDR ASAA2023082944834](https://openairdocs.org/sdr/ASAA2023082944834), Aug 29, 2023: UNKNOWN. UNKNOWN. DURING HYBRID AUTOLAND TO RWY 16R IN SEATTLE, FO'S HGS PANEL DID NOT DISPLAY "FLARE" UNTIL 50' ABOVE RUNWAY. CAPTAIN SIDE ANNUNCIATOR SHOWED "FLARE" ARMED FROM 
- [SDR ASAA2023082644789](https://openairdocs.org/sdr/ASAA2023082644789), Aug 26, 2023: PRESSURE VALVE. FAULTY. DURING CLIMB R/H DUCT PRESSURE 67 PSI, L/H 43 PSI (BELOW 10K' N1-85.0)DURING CLIMB ABOVE 18K' R/H DUCK PX 65-70 PSI, L/H 46 PSI N1 - 92.0)DURING CRUISE FL350 BO
- [SDR ASAA2023082544806](https://openairdocs.org/sdr/ASAA2023082544806), Aug 25, 2023: UNKNOWN. UNKNOWN. GE DIAGNOSTICS REPORTS THE #1 ENGINE IS GENERATING ALERTS FOR PS3 OUT OF RANGE, PS3 PRESSURE DISAGREE FAULT, P3B OUT OF RANGE, P3B PRESSURE DISAGREE FAULT, OR P
- [SDR ASAA2023082344745](https://openairdocs.org/sdr/ASAA2023082344745), Aug 23, 2023: UNKNOWN. UNKNOWN. OVERHEAD MAINT LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. OPENED ENG #2 FAN COWLING. REMOVED AND INSPECTED ODMS SENSOR = SENSOR FOUND CLEAN WITH NO DEBRIS
- [SDR ASAA2023082344744](https://openairdocs.org/sdr/ASAA2023082344744), Aug 23, 2023: UNKNOWN. UNKNOWN. OVERHEAD LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. REF LP 60901976. ENG #2 ODMS CHIP COUNT RESET TO ZERO. OPENED ENG #2 FAN COWLING. REMOVED AND INSPECTE
- [SDR ASAA2023082244729](https://openairdocs.org/sdr/ASAA2023082244729), Aug 22, 2023: IDG. FAULTY. DURING THE COMPLETION OF TASK CARD 31-005-00, FOUND SCHEDULED MAINT TASK MESSAGE "BLEED FAMV RVDT R". GROUNDED - YES. C/W TECH SERVICES REQUEST - CONTINUITY CHE
- [SDR ASAA2023080544523](https://openairdocs.org/sdr/ASAA2023080544523), Aug 5, 2023: POWER UNIT. FAULTY. TECHNICAL SERVICES REQUEST APU FAULT REVIEW----(#PRI2/ETOPS)----. GROUNDED - YES. 49 FAULT HISTORY: FAULT 49-41255, START POWER UNIT SHOWS HIGH TEMP DETECTED BY
- [SDR ASAA2023080544436](https://openairdocs.org/sdr/ASAA2023080544436), Aug 5, 2023: PRESSURE VALVE. FAULTY. RT ENG BLEED CAUTION LT ILLUMINATED SOON AFTER TOP OF DESCENT @ APPROX FL290 AT THRUST IDLE. COMPLETED QRH PROCEDURES AND LIGHT REMAINED ON. GROUNDED - YES. STA
- [SDR ASAA2023080444466](https://openairdocs.org/sdr/ASAA2023080444466), Aug 4, 2023: UNKNOWN. UNKNOWN. APU ON START AFTER LANDING RAN QRH-OFF FOR MINUTES RESTART SUCCESSFULL. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023071544057](https://openairdocs.org/sdr/ASAA2023071544057), Jul 15, 2023: UNKNOWN. UNKNOWN. APU FAULT LIGHT ILLUMINATED DURING FIRST START ATTEMPT AFTER LANDING. SECOND ATTEMPT WAS SUCCESSFUL. GROUNDED - YES. INTERROGATED CDU FOUND NO EXISTING APU FAUL
- [SDR ASAA2023062343723](https://openairdocs.org/sdr/ASAA2023062343723), Jun 23, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C 05-020-01, DISCOVERED (SMT) MESSAGE ENG 1 EEC C2. GROUNDED - YES. ACCOMPLISHED IFIM TASK G73-10-00-810-803. NO COORELATED MSG'S FOUND. E
- [SDR ASAA2023062343722](https://openairdocs.org/sdr/ASAA2023062343722), Jun 23, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C 05-020-01 DISCOVERED (SMT) MESSAGE ENG 2 EEC C2. GROUNDED - YES. ACCOMPLISHED IFIM TASK G73-10-00-810-804. NO COORELATED MSG'S FOUND. ID
- [SDR ASAA2023062343692](https://openairdocs.org/sdr/ASAA2023062343692), Jun 23, 2023: MODULE. FAULTY. SOURCE OFF LIGHT ON GEN 1 SIDE WHEN TRANSFERRING FROM GROUND POWER TO APU GEN. GROUNDED - YES. OMF SHOWS NO FAULTS, GCU & BPCU NO FAULTS, ELECTRICAL PANEL MODUL
- [SDR ASAA2023050443153](https://openairdocs.org/sdr/ASAA2023050443153), May 4, 2023: VALVE. UNKNOWN. AFTER X-BLEED START ON ENG #2 AND ENG #2 STARTER CUTOUT LIGHT EXTINGUISHED, THE L BLEED LIGHT AND L ENG ANTI ICE LIGHT CAME ON. DID QRH FOR BLEED LIGHT AND PRES
- [SDR ASAA2023050343162](https://openairdocs.org/sdr/ASAA2023050343162), May 3, 2023: UNKNOWN. UNKNOWN. APU FAULT LIGHT ILLUMINATED WHEN ATTEMPTING TO START THE APU AFTER LANDING. GROUNDED - YES. FOUND MAINT MSG 49-41254 START CONVERTER UNIT SHOWS START SYS INOP. 
- [SDR ASAA2023031542373](https://openairdocs.org/sdr/ASAA2023031542373), Mar 15, 2023: UNKNOWN. UNKNOWN. ON ROLLOUT AFTER LANDING, MASTER CAUTION, OVERHEAD, ILLUM AMBER "MAINT" LIGHT. GROUNDED - YES. FOUND FAULT CODE 36-12020 FAN AIR MODULATING VALVE IS NOT IN COMM
- [SDR ASAA2023030442180](https://openairdocs.org/sdr/ASAA2023030442180), Mar 4, 2023: SENSOR. FAULTY. #1 ENGINE ENG ANTI ICE COWL VALVE LIGHT ILLUMINATED TWICE. TURNED OFF WENT OUT. TURNED ON CAME BACK. GROUNDED - YES. CHECKED OMF FOR ANY EXISTING FAULT AND FOUN
- [SDR ASAA2023030342172](https://openairdocs.org/sdr/ASAA2023030342172), Mar 3, 2023: UNKNOWN. UNKNOWN. ON INITIALLY SETTING POWER (AT APPROX 50%) "STAB OUT OF TRIM" LIGHT ILLUM. (LOW SPEED <10 KTS). WE ABORTED AND DID A CONFIG CHECK - WE RECEIVED A TAKEOFF WARNIN
- [SDR ASAA2023022342072](https://openairdocs.org/sdr/ASAA2023022342072), Feb 23, 2023: VALVE. FAULTY. LEFT COWL ANTI-ICE MASTER CAUTION ILLUMINATED AT 90 KTS ON TAKEOFF ROLL. EXTINGUISHED ON ITS OWN CLIMBING THROUGH 2000 FT. GROUNDED - YES. REMOVED ENGINE ANTI I
- [SDR ASAA2023021041897](https://openairdocs.org/sdr/ASAA2023021041897), Feb 10, 2023: UNKNOWN. UNKNOWN. DURING FLIGHT UNABLE TO TRANSMIT ON SAT RADIO TO MEDLINK OR DISPATCH. INBOUND COMMUNICATION WAS WEAK. LATER IN FLIGHT POSITIVE COMM ESTABLISHED OVER BZN. GROUND
- [SDR ASAA2022122741301](https://openairdocs.org/sdr/ASAA2022122741301), Dec 27, 2022: HEATER. INOPERATIVE. "TEMP PROBE" AMBER LIGHT IS ILLUMINATED ON THE OVERHEAD PANEL. GROUNDED - YES. REMOVED AND REPLACED TAT PROBE REF B737-9 AMM 34-21-06.
- [SDR ASAA2022122541300](https://openairdocs.org/sdr/ASAA2022122541300), Dec 25, 2022: SEPARATOR. FAULTED. ON LANDING MASTER CAUTION OVERHEAD ILLUMINATED. MAINT ILLUMINATED ON OVERHEAD. MASTER CAUTION LIGHT GOES OUT WHEN PUSHED. GROUNDED - YES. REMOVED OIL DEBRIS MON
- [SDR ASAA2022121441128](https://openairdocs.org/sdr/ASAA2022121441128), Dec 14, 2022: FMC. FAULTED. FMC DISAGREE BOTH FMC'S. GROUNDED - YES. ACCOMPLISHED IFIM 34-61-00-810-918. INITIAL EVALUATION PASSES.
- [SDR ASAA2022113041005](https://openairdocs.org/sdr/ASAA2022113041005), Nov 30, 2022: AUTOTHROTTLE SYS. FAULTED. DURING INITIAL CLIMB AIRCRAFT WAS INITIALLY ACCELERATING TO COMMANDED SPEEDS, BUT A/T P/RST AMBER LIGHT WAS FLASHING CONTINUOUSLY FOR 15 SECONDS. AS WE RETRACTE
- [SDR ASAA2022112640927](https://openairdocs.org/sdr/ASAA2022112640927), Nov 26, 2022: FMC. MALFUNCTIONED. FMC DISAGREE SHOWN ON SCRATCHPAD ON THE GROUND. GROUNDED - YES. QRH PROCEDURE COMPLIED WITH AND PROBLEM RESOLVED.
- [SDR ASAA2022111640800](https://openairdocs.org/sdr/ASAA2022111640800), Nov 16, 2022: CHIP DETECTOR. FAULTY. CFM DIAGNOSTICS IS SHOWING #1 ENGINE ODMS CUMULATIVE CHIP COUNT IS STILL REPORTING ELEVATED AFTER RECENT MAINTENANCE/INSPECTION WITH REPORT OF NO CHIPS. ODMS CH
- [SDR ASAA2022111440787](https://openairdocs.org/sdr/ASAA2022111440787), Nov 14, 2022: WARNING MESSAGE. FALSE ACTIVATION. MAINT LIGHT ON AFTER LANDING. GROUNDED - YES. FOUND LATCH FAULT CODE 79210351 & 79-42862 PERFORMED B737-9 FIM 679-21-00-810-803. INSPECTED ODMS SENSOR IAW B737-
- [SDR ASAA2022110440649](https://openairdocs.org/sdr/ASAA2022110440649), Nov 4, 2022: ANTI-ICE VALVE. FAILED. LEFT WING ANTI-ICE FAILED CLOSED. GROUNDED - YES. REMOVED AND REPLACED L/H WING ANTI-ICE REF B737-9 AMM 30-11-11 OPS CHECK GOOD.
- [SDR ASAA2022102740491](https://openairdocs.org/sdr/ASAA2022102740491), Oct 27, 2022: FMC. FAILED. RIGHT FMC FAILED IN CRUISE FLIGHT. GROUNDED - YES. FOLLOWED B737-9 IFIM TASK 34-61-00-810-883, FMC-2 HAS AN INTERNAL FAULT. PERFORMED INITIAL EVALUATION STEP "B
- [SDR ASAA2022100440208](https://openairdocs.org/sdr/ASAA2022100440208), Oct 4, 2022: PRESSURE SENSOR. OUT OF LIMITS. WHILE PERFORMING ASA T/C 31-005-00, FOUND SMT MESSAGE FAULT BLEED PM SENSOR 1 L. UNDER PRESENT LEG MAINT MSG 36-21020. ENGINE START. ENGINE -1 MANIFOLD DUCT PRE

## 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/N948AK/stcs.md

## Related

- Other Boeing 737-9 aircraft: https://openairdocs.org/model/boeing-737-9/aircraft.md
- The CFM International LEAP-1B28 series engine: https://openairdocs.org/engine/cfm-international-leap-1b28-series.md

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