# N975AK: 2021 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: 64960
- Year built: 2021
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: February 10, 2022
- Certificate issued: May 10, 2022
- Expires: May 31, 2029
- Mode S code: AD9642
- 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=975AK
- Page: https://openairdocs.org/aircraft/N975AK

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 N975AK.

## FAA accident and incident reports

None matched to N975AK.

## Service difficulty reports (32)

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 ASAA2025101261574](https://openairdocs.org/sdr/ASAA2025101261574), Oct 12, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY EXIT LIGHTS INTERNAL AND THE EXTERNAL LIGHT FOR FOR RIGHT HAND R2 DOOR FAILED CAPACITY TEST. SRXR430X. GROUNDED - YES. REMOVED AND REPLACED M1672 BATT
- [SDR ASAA2025091360895](https://openairdocs.org/sdr/ASAA2025091360895), Sep 13, 2025: LENS. MISSING. 17DEF EXIT PLACARD EXIT/LIGHT PLACARD IS MISSING. GROUNDED - YES. REPLACED EXIT SIGN LIGHT ASSEMBLY AT SEAT 17DEF REF AMM 33-51-01-960-802. OPS CHECK GOOD.
- [SDR ASAA2024050849512](https://openairdocs.org/sdr/ASAA2024050849512), May 8, 2024: SIGN. DETACHED. CONTER AISLE EMERGENCY EXIT SIGN HANGING DOWN. GROUNDED - YES. RESECURED EMER EXIT SIGN @ MID CABIN OVERHEAD AS REQUIRED. OPS CHK NORMAL.
- [SDR ASAA2024030148198](https://openairdocs.org/sdr/ASAA2024030148198), Mar 1, 2024: SIGN. DETACHED. ROW 16 EMERGENCY EXIT SIGN DISCONNECTED FROM MOUNT. GROUNDED - YES. RE-SECURED ROW 16 EMERGENCY EXIT SIGN. OPS CK OK.
- [SDR ASAA2024021747914](https://openairdocs.org/sdr/ASAA2024021747914), Feb 17, 2024: SIGN. DETACHED. CENTER EMERGENCY EXIT SIGN DETACHED FROM CEILING. GROUNDED - YES. SECURED SIGN IAW AMM 33-51-01.
- [SDR ASAA2023111246158](https://openairdocs.org/sdr/ASAA2023111246158), Nov 12, 2023: UNKNOWN. UNKNOWN. SPEED TRIM FAIL ILLUMINATED ON MASTER CAUTION RECALL PRIOR TO TOP OF DESCENT. GROUNDED - YES. REF FIM 22-11-00-810-D73 PERFORMED SURFACE TEST 60.32 ALL TESTS PA
- [SDR ASAA2023102845910](https://openairdocs.org/sdr/ASAA2023102845910), Oct 28, 2023: PUMP. MALFUNCTIONED. AT CRUISE MASTER CAUTION ENG 2 HYD LOW PRESSURE ACCOMPANIED BY ENGINE VIBRATION. GROUNDED - YES. AIR TURNBACK - PERFORMED CONDITIONAL INSPECTION PER MM 05-51-35
- [SDR ASAA2023102745896](https://openairdocs.org/sdr/ASAA2023102745896), Oct 27, 2023: UNKNOWN. UNKNOWN. WINDSHEAR AHEAD ALERT ON TO ROLL FOLLOWED BY ACTIVATION OF RADAT TEST MODE. RTO INITIATED AT APPROX 65KTS (TERRAIN BUTTON WAS SELECTED ON BOTH EFIS PANELS_). GR
- [SDR ASAA2023102445834](https://openairdocs.org/sdr/ASAA2023102445834), Oct 24, 2023: UNKNOWN. UNKNOWN. WING ANTI-ICE R VALVE CAUTION LIGHT. GROUNDED - YES. ACCOMPLISHED ANTI-ICE VALVE L/H & R/H HEALTH CHECK PER T/C MAX-30EO-25962-1. NO FAULT FOUND.
- [SDR ASAA2023091245118](https://openairdocs.org/sdr/ASAA2023091245118), Sep 12, 2023: TURBINE WHEEL. DAMAGED. WHILE DOING T/C 1967893 - HPT STAGE 1 SHROUD BOROSCOPE INSPECTION, FOUND DAMAGE ON BORO PORT # Q (#2 ENG, S/N 602959). GROUNDED - YES. REMOVED #2 ENGINE ESN 602
- [SDR ASAA2023091245117](https://openairdocs.org/sdr/ASAA2023091245117), Sep 12, 2023: COMBUST CHAMBER. DAMAGED. WHILE DOING T/C 72-220-00 BOROSCOPE THE ENGINE COMBUSTION CHAMBER FOUND #2 ENG COMBUSTION CHAMBER DEFECTOR PLATE # 11,12,13 HAVE CIRCUMFRENCIAL CRACKS. ENG S/N 
- [SDR ASAA2023090945025](https://openairdocs.org/sdr/ASAA2023090945025), Sep 9, 2023: UNKNOWN. UNKNOWN. SPEED TRIM FAIL LIGHT ILLUMINATES ON MASTER CAUTION RECALL. LIGHT EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. CHANNEL A SET LAST-LEG FAILURE MESSAGE 2
- [SDR ASAA2023073144331](https://openairdocs.org/sdr/ASAA2023073144331), Jul 31, 2023: EXCITER. FAULTY. #2 ENGINE NO LIGHT OFF, NO FUEL FLOW OBSERVED. GROUNDED - YES. (RESOLVED ON W/O: 1960968 TASKCARD: N/R-00001 ) REMOVED AND REPLACED LH IGN PLUG REF AMM 74-21-02
- [SDR ASAA2023071544056](https://openairdocs.org/sdr/ASAA2023071544056), Jul 15, 2023: UNKNOWN. UNKNOWN. NO DUCT PRESSURE WITH APU BLEED AIR SWITCH ON. GROUNDED - YES. PERFORMED B737-9 FIM TASK 49-52-00. CYCLE POWER BLEED AIR BACK TO NORMAL.
- [SDR ASAA2023062643776](https://openairdocs.org/sdr/ASAA2023062643776), Jun 26, 2023: UNKNOWN. UNKNOWN. SINGLE CHANNEL SPEED TRIM FAIL ANNUNCIATION W/ RECALL @ 34,000 FT. GROUNDED - YES. PERFORMED IFIM 22-11-00-740-874 AND TASK 22-11-00-810 MAINT LIGHT EXTINGUISHE
- [SDR ASAA2023062443768](https://openairdocs.org/sdr/ASAA2023062443768), Jun 24, 2023: UNKNOWN. UNKNOWN. SMT MESSAGE, ENG 1 EEC C2. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023062443767](https://openairdocs.org/sdr/ASAA2023062443767), Jun 24, 2023: UNKNOWN. UNKNOWN. SMT MESSAGE, ENG 2 EEC C2. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023061443581](https://openairdocs.org/sdr/ASAA2023061443581), Jun 14, 2023: MODULE. FAULTY. INTERMITTENT ANOMALIES ON WX RADAR DISPLAY INTERMITTENT PWS & WXR FAIL MSGS. GROUNDED - YES. REF B737-9 AMM 34-41-41 REMOVED AND REPLACED WX RADAR RECEIVER/TRAN
- [SDR ASAA2023052243311](https://openairdocs.org/sdr/ASAA2023052243311), May 22, 2023: UNKNOWN. UNKNOWN. SPEED TRIM FAIL LIGHT ILLUMINATES DURING MASTER CAUTION RECALL AND EXTINGUISHES DURING MASTER CAUTION RESET. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM 22-11-00-8
- [SDR ASAA2023050343123](https://openairdocs.org/sdr/ASAA2023050343123), May 3, 2023: UNKNOWN. UNKNOWN. "SPEED TRIM FAIL" LIGHT COMES ON DURING MASTER CAUTION RECALL ON DESCENT. GROUNDED - YES. "ONLY" CHAN A FAULT MSG 22-11186 IN FLI HISTORY ON DFCS. ACCOMP B737-9
- [SDR ASAA2023042342975](https://openairdocs.org/sdr/ASAA2023042342975), Apr 23, 2023: FUEL NOZZLE. COKED. GE DIAGNOSTICS REPORTS #1 ENGINE (SN 602946) TREND DATA SHOWS EXCESS COKING OF THE FUEL NOZZLE MAIN ORIFICES. GROUNDED - YES. ACCOMPLISHED FUEL NOZZLE REPLACEME
- [SDR ASAA2023041642904](https://openairdocs.org/sdr/ASAA2023041642904), Apr 16, 2023: ANTI-ICE VALVE. FAULTY. ON TO ROLL AT APPROXIMATELY 60 KTS LEFT COWL ANTI ICE CAUTION ILLUMINATED. REJECTED TAKEOFF ROLL. GROUNDED - YES. REMOVED AND REPLACED #1 ENG ANTI ICE VALVE REF
- [SDR ASAA2023031442367](https://openairdocs.org/sdr/ASAA2023031442367), Mar 14, 2023: UNKNOWN. UNKNOWN. ON DESCENT AT 12000 FEET TURNED WING ANTI ICE ON. THE LEFT AMBER ANTI ICE VALVE LIGHT ILLUMINATED. GROUNDED - YES. COMPLETED TASK CARD MAX-30EA-25064 WING THERM
- [SDR ASAA2023031442366](https://openairdocs.org/sdr/ASAA2023031442366), Mar 14, 2023: UNKNOWN. UNKNOWN. ON DESCENT WITH POWER AT IDLE "L VALVE" LIGHT FOR WING ANTI ICE CAME ON. TRIED AGAIN WITH POWER AT 65% N1 AND LIGHT REMAINED ON. GROUNDED - YES. ACCOMPLISHED B7
- [SDR ASAA2023030742229](https://openairdocs.org/sdr/ASAA2023030742229), Mar 7, 2023: UNKNOWN. UNKNOWN. SPEED TRIM LIGHT ILLUMINATED ON RECALL CHECK DURING DESCENT. RAN QRH CHECK. FOUND SINGLE CHANNEL FAULT. GROUNDED - YES. FOLLOWED B737-9 IFIM 22-11-00-810-071. P
- [SDR ASAA2023030342178](https://openairdocs.org/sdr/ASAA2023030342178), Mar 3, 2023: VALVE. FAILED. WING ANTI-ICE= R VALVE= ILLUMINATED WITH SWITCH ON- EXTINGUISHED WITH SWITCH OFF. VALVE FAILED TO OPEN. GROUNDED - YES. REMOVED AND REPLACED RH WING THERMAL ANT
- [SDR ASAA2023022842106](https://openairdocs.org/sdr/ASAA2023022842106), Feb 28, 2023: UNKNOWN. UNKNOWN. R VALVE LIGHT ON WING ANTI ICE SYSTEM ILLUMINATED WITH MASTER CAUTION LIGHT. GROUNDED - YES. ACCOMPLISHED DATA SUPP FOR B737-9 AMM 30-11-11-710-801 LIGHT EXTING
- [SDR ASAA2023012311585](https://openairdocs.org/sdr/ASAA2023012311585), Jan 21, 2023: WARNING LIGHT. FALSE ACTIVATION. PRIOR TO DESCENT SPEEDTRIM LIGHT ILLUM UPON MASTER CAUTION RECALL. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM 22-11-00-810-D71, ALL TEST PASSED, FAILED LIGHT EXTI
- [SDR ASAA2023010841465](https://openairdocs.org/sdr/ASAA2023010841465), Jan 8, 2023: AOA. INOPERATIVE. AUTOPILOT A INOP. GROUNDED - YES. FCC-A LOGGED 75 FAULTS AT FL360. MOST PERTAINING TO LEFT ADIRU. LEFT ADIRU LOGGED 34-21023, AOA SIGNAL FAIL FOR THREE LEGS.REM
- [SDR ASAA2023010971448](https://openairdocs.org/sdr/ASAA2023010971448), Jan 7, 2023: FMC. FAULTED. FMC ERROR WHEN LOADING PERF DATA. GROUNDED - YES. REBOOTED FMC 1& 2. OPS CHECK NORMAL REF B737-9 AMM 34-61-00-710-801.
- [SDR ASAA2022090639869](https://openairdocs.org/sdr/ASAA2022090639869), Sep 6, 2022: UNKNOWN. UNKNOWN. SPEED TRIM FAIL LIGHT LIGHT ON RECALL PRIOR TO DESCENT. RAN QRH, SUSPECT SINGLE CHANNEL FAULT. GROUNDED - YES. PERFORMED B737-9 IFIM TASK 22-11-00-810-D71 AND D
- [SDR ASAA2022090439793](https://openairdocs.org/sdr/ASAA2022090439793), Sep 4, 2022: UNKNOWN. UNKNOWN. FMC DISAGREE IN FMC SCRATCH PAD. GROUNDED - YES. CYCLED #1 AND #2 FMC POWER 2EA C/B OPENED AND CLOSED. P6-1 D16 AND P18-2 A6. NO FAULTS AFTER RESET REF B737-9 I

## 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/N975AK/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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