# N919AK: 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: 44087
- Year built: 2021
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: February 11, 2021
- Certificate issued: May 8, 2021
- Expires: May 31, 2028
- Mode S code: ACB824
- 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=919AK
- Page: https://openairdocs.org/aircraft/N919AK

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 (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DCA24FA300](https://openairdocs.org/ntsb/DCA24FA300), Sep 12, 2024: Boeing 737-9 (N919AK), Nashville, TN, incident, minor damage, investigation ongoing

## 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 20240912019789I](https://openairdocs.org/incident/20240912019789I), Sep 12, 2024: Boeing 737-9 (N919AK), Nashville, TN, No damage. [privacy data omitted]

## Service difficulty reports (59, 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 ASAA2026092668921](https://openairdocs.org/sdr/ASAA2026092668921), Sep 26, 2026: POWER SUPPLY. INOPERATIVE. CUSTOMER WALK ITEM: R2 EMERGENCY LOWER DOOR LIGHT INOP. GROUNDED - YES. REMOVED AND REPLACED M01672 EMERGENCY POWER SUPPLY, S/N 173592. OPS CHECK GOOD, IAW B737
- [SDR ASAA2026090968864](https://openairdocs.org/sdr/ASAA2026090968864), Sep 9, 2026: TRANSITION PANEL. CORRODED. FWD PIT R/H TRANSITION PANEL IS CORRODED OUT OF LIMITS BETWEEN STA 500K AND 500L. GROUNDED - YES. REPAIRED THE FWD PIT R/H TRANSITION PANEL FROM STA 500K TO 500
- [SDR ASAA2026090968848](https://openairdocs.org/sdr/ASAA2026090968848), Sep 9, 2026: SUPPORT ANGLE. CORRODED. FWD CARGO, AFT LOWER BULKHEAD SUPPORT WAS CORRODED. GROUNDED - YES. REMOVED AND REPLACED THE SUPPORT ANGLE IAW SRM 51-40-02, UPON FURTHER EVALUATION NO ALLOWABL
- [SDR ASAA2026090968847](https://openairdocs.org/sdr/ASAA2026090968847), Sep 9, 2026: TRANSITION PANEL. CORRODED. AFT CARGO RT TRANSITION PANEL HAS MANY SPOTS OF CORROSION AT BS 727I+8 - 767. GROUNDED - YES. REMOVED CORROSION FROM AFT CARGO TRANSITION PANEL IAW SRM 53-00-53
- [SDR ASAA2026090968846](https://openairdocs.org/sdr/ASAA2026090968846), Sep 9, 2026: TRANSITION PANEL. CORRODED. AFT CARGO RT TRNASITION PANEL HAS MANY SPOTS OF CORROSION AT BS 727G+12 TO 727I+6. GROUNDED - YES. REMOVED CORROSION FROM AFT CARGO RT TRANSITION PANEL BS 727G+
- [SDR ASAA2026090968845](https://openairdocs.org/sdr/ASAA2026090968845), Sep 9, 2026: TRANSITION PANEL. CORRODED. FWD CARGO BAY, LT TRANSITION PANEL IS CORRODED OUT OF LIMITS BTWN BS 500D - 500F+4. GROUNDED - YES. REPAIRED FWD CARGO BAY, LT TRANSITION PANEL BETWEEN STA 500D
- [SDR ASAA2025011355257](https://openairdocs.org/sdr/ASAA2025011355257), Jan 13, 2025: LENS. BROKEN. ROW 16 A/C RIGHT EMER EXIT LENS COVER BROKEN. GROUNDED - YES. REMOVED AND REPLACED ROW 160 A/C RIGHT EMER. EXIT LENS IAW AMM 33-51-01-960-802, OK FOR SVC. SEAMC
- [SDR ASAA2025010255025](https://openairdocs.org/sdr/ASAA2025010255025), Jan 2, 2025: LENS. MISSING. LH FWD EMERGENCY OVERWING EXIT SIGN LENS IS MISSING. GROUNDED - YES. INSTALLED NEW LENS ON LH FWD OVERWING EXIT SIGN.
- [SDR ASAA2023122847278](https://openairdocs.org/sdr/ASAA2023122847278), Dec 28, 2023: POWER SUPPLY. INOPERATIVE. EMERGENCY BATTERY PACK POWER SUPPLY M1673 FAILS CAPACITY CHECK. GROUNDED - YES. REMOVED, REPLACED AND PERFORMED INSTALLATION TEST OF EMERGENCY BATTERY PACK POWE
- [SDR ASAA2023110746065](https://openairdocs.org/sdr/ASAA2023110746065), Nov 7, 2023: UNKNOWN. UNKNOWN. WHILE PERFORMING TC 31-005-00 SCHEDULED MTX TASK DISPLAYFOUND ENG 1 EEC C2 , AND ENG 2 EEC CE SCHEDULED MTX TASK. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023110546041](https://openairdocs.org/sdr/ASAA2023110546041), Nov 5, 2023: UNKNOWN. UNKNOWN. IN CRUISE RIGHT SIDE WINDOW OVERHEAT LIGHT. RAN QRH. AFTER 5 MINUTE COOL DOWN TURNED SWITCH ON AND OVERHEAT LIGHT REMAINED. SWITCH TURNED OFF PER QRH. GROUNDED 
- [SDR ASAA2023110246061](https://openairdocs.org/sdr/ASAA2023110246061), Nov 2, 2023: VALVE. FAULTY. FOLLOW-UP TO REPORT OF #2(RH) BLEED LIGHT WITH FAULT 36-00161(RT BLEED OVER PSI SHUTDOWN) ----(#PRI1)ETOPS SIGNIFICANT SYSTEM----. GROUNDED - YES. (RESOLVED ON 
- [SDR ASAA2023102845889](https://openairdocs.org/sdr/ASAA2023102845889), Oct 28, 2023: UNKNOWN. UNKNOWN. RIGHT SIDE BLEED LIGHT CAME ON THRU 4000 AGL ON APPROACH, TRIP RESET ON GROUND, LIGHT EXTINGUISHED. GROUNDED - YES. FOUND FAULT CODE 36130142 MAINT MESSAGE 36-0
- [SDR ASAA2023102445839](https://openairdocs.org/sdr/ASAA2023102445839), Oct 24, 2023: CONTROLLER. FAULTY. AFTER STARTING ENGINE #2, THE #2 BLEED ANNUNCIATOR ILLUMINATED. WENT THROUGH QRH AND ANNUNCIATOR REMAINED ON. GROUNDED - YES. MSG 36-11051 ACCOMP B737-9 IFIM 36
- [SDR ASAA2023083144875](https://openairdocs.org/sdr/ASAA2023083144875), Aug 31, 2023: UNKNOWN. UNKNOWN. APU FAULT LIGHT ON START UP. GROUNDED - YES. ACCOMPLISHED IFIM 31-00-00-810-803. FOUND RECENT FAULT 49-41012. STARTED APU WITH NO FAULT LIGHT OBSERVED. ACCOMPLI
- [SDR ASAA2023080444443](https://openairdocs.org/sdr/ASAA2023080444443), Aug 4, 2023: UNKNOWN. UNKNOWN. CAPT LEFT FMC FAILURE, ACCOMPLISHED FMC FAIL CHECKLIST, NO VTK ONLY MAP. GROUNDED - YES. PERFORMED IFIM TASK 34-61-00-810-846, INTERMITANT FAULT, OPS CHECK NORM
- [SDR ASAA2023072944300](https://openairdocs.org/sdr/ASAA2023072944300), Jul 29, 2023: UNKNOWN. UNKNOWN. CROSSFEED VALVE CHECK FAILED. CROSSFEED VALVE OPEN REMAINS BRIGHT BLUE. GROUNDED - YES. TROUBLE SHOT PER B737-9 IFIM 28-22-00 VALVE OPEN LIGHT OPERATES CORRECTL
- [SDR ASAA2023070943946](https://openairdocs.org/sdr/ASAA2023070943946), Jul 9, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C 05-020-01 DISCOVERED MESSAGE ENG 2 EEC C2. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023070943945](https://openairdocs.org/sdr/ASAA2023070943945), Jul 9, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C 05-020-01 DISCOVERED MESSAGE ENG 1 EEC C2. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023061543584](https://openairdocs.org/sdr/ASAA2023061543584), Jun 15, 2023: ELEMENT. CLOGGED. WHILE PERFORMING ASA TSR714484 FOUND APU DIFF PRESS/ INDICATOR BUTTON POPPED. GROUNDED - YES. REPLACED LUBE FILTER ELEMENT AND APU OIL FILTER INDICATOR REF B737
- [SDR ASAA2023042943053](https://openairdocs.org/sdr/ASAA2023042943053), Apr 29, 2023: UNKNOWN. UNKNOWN. RADAR IN AUTO MODE CAPTAIN SIDE SHOWS RETURN AT 60 MILES IN CLEAR CONDITIONS FO SIDE SHOWS NO RETURN. IN MANUAL MODE RADAR WORKS NORMAL. GROUNDED - YES. CHECKED
- [SDR ASAA2023041242819](https://openairdocs.org/sdr/ASAA2023041242819), Apr 12, 2023: CHARGER. INOPERATIVE. ELEC LIGHT ON APU PANEL ILLUMINATED ON GROUND AT THE GATE. GROUNDED - YES. REPLACED AUX BAT CHARGER, REF B737-9 AMM 24-31-31.
- [SDR ASAA2023040442732](https://openairdocs.org/sdr/ASAA2023040442732), Apr 4, 2023: UNKNOWN. UNKNOWN. RIGHT SIDE WINDOW "OVERHEAT" LIGHT ILLUMINATED ON LANDING. GROUNDED - YES. PERFORMED WINDOW HEAT SYSTEM OPERATIONAL TEST IAW B737-9 AMM 30-41-00-710-801.
- [SDR ASAA2023031542383](https://openairdocs.org/sdr/ASAA2023031542383), Mar 15, 2023: UNKNOWN. UNKNOWN. LEFT FMC FAILED FOR APPROXIMATELY 20 SECONDS, LEFT FMC RESTORED ITSELF PRIOR TO RUNNING QRH. GROUNDED - YES. ACCOMPLISHED FMC OPS TEST REF B737-9 AMM 34-61-00 O
- [SDR ASAA2023031442347](https://openairdocs.org/sdr/ASAA2023031442347), Mar 14, 2023: UNKNOWN. UNKNOWN. AFTER LANDING FO SIDE WINDOW OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED B737-9 IFIM TASK 30-41-00-810-831. F/O'S SIDE WINDOW OPS CK GD REF B737-9 AMM
- [SDR ASAA2023012741710](https://openairdocs.org/sdr/ASAA2023012741710), Jan 27, 2023: IGNITER. INOPERATIVE. ON START, ENGINE #1 RIGHT IGNITION SELECTED NO START ON START LEVER MOVED TO "IDLE". GROUNDED - YES. REVERSED MEL 74-00-01C SP#1. ACCOMPLISHED IFIM G74-00-00-81
- [SDR ASAA2023010441415](https://openairdocs.org/sdr/ASAA2023010441415), Jan 4, 2023: DOOR. STIFF. L1 DOOR, GATE AGENT REPORTED AS DIFIICULT TO OPEN. GROUNDED - YES. INSPECTED DOOR L1, DOOR OPERATES NORMAL, NO DEFECTS NOTED.
- [SDR ASAA2022122741362](https://openairdocs.org/sdr/ASAA2022122741362), Dec 27, 2022: IGNITER. FAULTED. DURING CROSS-BLEED START ON ENGINE #2 NO FUEL FLOW ONCE THE START LEVEL WAS ADVANCED TO IDLE. GROUNDED - YES. REMOVED AND REPLACED RIGHT IGNITER PLUG REF B737-9
- [SDR ASAA2022121841207](https://openairdocs.org/sdr/ASAA2022121841207), Dec 18, 2022: GENERATOR. FAULTED. AT APU START ATTEMPT ON TAXI INTO GATE THE APU AMBER MAINT OVERHEAD LIGHTS ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED APU STARTER-GENERATOR IAW B737-9 AM
- [SDR ASAA2022120741058](https://openairdocs.org/sdr/ASAA2022120741058), Dec 7, 2022: FMC. FAULTED. AT CRUISE, HAD A MOMENTARY DUAL FMC FAILURE, A/P DISCONNECTED WITHOUT AURAL WARNING. FMC 'S RESTORED IN LESS THAN 10 SECONDS. GROUNDED - YES. NO FAULTS AT THIS 
- [SDR ASAA2022112040878](https://openairdocs.org/sdr/ASAA2022112040878), Nov 20, 2022: SATCOM. UNKNOWN. BOTH SATCOM RECEIVERS HAD A VERY LOW VOLUME, WHICH MADE COMMUNICATION RECEPTION IMPOSSIBLE, FMC MENU OPS CHECK OK. GROUNDED - YES. PERFORMED SAT #1 & SAT #2 VOI
- [SDR ASAA2022111140775](https://openairdocs.org/sdr/ASAA2022111140775), Nov 11, 2022: EXCITER. INOPERATIVE. AMBER MAINT LIGHT ON OVERHEAD PANEL ILLUMINATED ON LANDING. GROUNDED - YES. MAINT LIGHT ILLUMINATED DUE TO ENG 2 IGNITION FAULTS. REMOVED & REPLACED RIGHT EXCIT
- [SDR ASAA2022111040759](https://openairdocs.org/sdr/ASAA2022111040759), Nov 10, 2022: EXCITER. INOPERATIVE. #2 ENGINE FAILED TO START AFTER PUSHBACK. START LEVER WAS IN IDLE FOR 15 SECONDS WITH NO EGT RISE. GROUNDED - YES. REMOVED & REPLACED RIGHT EXCITER IAW B737-9 A
- [SDR ASAA2022110940698](https://openairdocs.org/sdr/ASAA2022110940698), Nov 9, 2022: NOZZLE. COKED. GE DIAGNOSTICS REPORTS #2 ENGINE TREND DATA SHOWS EXCESS COKING OF THE FUEL NOZZLE MAIN ORIFICES. (FULL SET FUEL NOZZLE REPLACEMENT 737MAX T/C 73-ASA-02) NO EXT
- [SDR ASAA2022110440648](https://openairdocs.org/sdr/ASAA2022110440648), Nov 4, 2022: ANTI-ICE VALVE. FAULTED. WHEN WING ANTI-ICE TURNED ON, L VALVE LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED L/H WING ANTI-ICE VALVE REF B737-9 AMM 30-11-11.
- [SDR ASAA2022102740534](https://openairdocs.org/sdr/ASAA2022102740534), Oct 27, 2022: EXCITER. FAULTY. STARTING #2 ENG, MOTORED FOR A FEW SECONDS, N2 BEGAN TO RISE AT 36 SECONDS, FUEL WAS INTRODUCED AND N2 HUNG AROUND 32.0 (STAYED AT 32.0), STOPPED START - REPEAT
- [SDR ASAA2022102740530](https://openairdocs.org/sdr/ASAA2022102740530), Oct 27, 2022: FMC. MALFUNCTIONED. VTK DISPLAYED CN CAPTAINS NAV DISPLAY FOR 10 SECONDS FMC DISAPPEARED FOR A COUPLE OF SECONDS ON F/O FMC. NO OTHER SYSTEM CHANGES. ALL SYSTEMS NORMAL. GROUNDED -
- [SDR ASAA2022100140126](https://openairdocs.org/sdr/ASAA2022100140126), Oct 1, 2022: ANTI-ICE VALVE. FAULTY. DURING DESCENT "L-VALVE" LIGHT WHILE USING WING ANTI ICE. GROUNDED - YES. REMOVED & REPLACED LH WING THERMAL ANTI ICE VALVE IAW B737-9 AMM 30-11-11.
- [SDR ASAA2022092940128](https://openairdocs.org/sdr/ASAA2022092940128), Sep 29, 2022: FMC. FAULTED. CAPTAIN'S FMC INOP. GROUNDED - YES. L/H FMC SHOWS DISAGREE ON BITE TEST. RE-SYNCED L/H & R/H FMC'S REF B737-9 FIM TASK 34-61-00-810-918 NO CURRENT FAULTS ON OMF
- [SDR ASAA2022090439884](https://openairdocs.org/sdr/ASAA2022090439884), Sep 4, 2022: BLEED VALVE. INOPERATIVE. WHILE PERFORMING TASK CARD 31-005-00, FOUND SCHEDULED MAINTENANCE TASK MESSAGE "BLEED FAN AIR MODULATION VALVE (FAMV) ROTARY VARIABLE DIFFERENTIAL TRANSFORMER (
- [SDR ASAA2022080939434](https://openairdocs.org/sdr/ASAA2022080939434), Aug 9, 2022: SHUTOFF VALVE. DAMAGED. WHILE LOCKING CLOSED THE HPSOV BOLT BROKE OFF. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE HPSOV REF B737-9 AMM 36-11-07.
- [SDR ASAA2022072939271](https://openairdocs.org/sdr/ASAA2022072939271), Jul 29, 2022: OVERHEAT. WARNING LIGHT. R FWD WINDOW OVERHEAT ILLUMINATED DURING TAXI. GROUNDED - YES. ACCOMPLISHED QRH ITEMS AND OVERHEAT HEAT LIGHT EXTINGUISHED. CONTINUED NORMAL OPERATIONS.
- [SDR ASAA2022072439172](https://openairdocs.org/sdr/ASAA2022072439172), Jul 24, 2022: OVERHEAT. ILLUMINATED. THE WINDOW HEAT RIGHT SIDE SIDE ON LIGHT IS NOT ON WITH SWITCH ON. GROUNDED - YES. TURNED ON R/H SIDE WINDOW SWITCH AND 'ON' LIGHT OPERATES NORMALLY. ACCOMPLISH
- [SDR ASAA2022051938402](https://openairdocs.org/sdr/ASAA2022051938402), May 19, 2022: DATALINK. FAILED. APPROACHING THE EEP APPROXIMATELY 1 HR INTO FLIGHT THE HF + VHF DATA LINK BOTH FAILED. NO COMM MESSAGE REMAINED UNTIL APPROXIMATELY 180NM FROM COAST LINE. GROUN
- [SDR ASAA2022032837817](https://openairdocs.org/sdr/ASAA2022032837817), Mar 28, 2022: UNKNOWN. UNKNOWN. SINGLE CHANNEL SPEED TRIM FALIURE (EXTINGUISHES ON MASTER CAUTION RESET). GROUNDED - YES. RAN B737-9 FIM TASK 22-11-00-810 LOGGED FAULT MSG 22-11176 RAN IFIM TA
- [SDR ASAA2022031037670](https://openairdocs.org/sdr/ASAA2022031037670), Mar 10, 2022: UNKNOWN. UNKNOWN. APPROXIMATLEY 1.5 HOURS AFTER TAKEOFF RECEIVED "NO COMM " MESSAGE DISLAYED UNABLE TO SEND/RECEIVE ACARS DATA THROUGH SATQRHF. ACARS WORKS FINE ON VHF. GROUNDED 
- [SDR ASAA2022021537437](https://openairdocs.org/sdr/ASAA2022021537437), Feb 15, 2022: UNKNOWN. UNKNOWN. WXR FAIL. GROUNDED - YES. ACCOMPLISHED WXR OPERATIONAL TEST REF B737-9 AMM 34-41-00-710-801 GROUND VERIFICATION TEST PASS.
- [SDR ASAA2022020237330](https://openairdocs.org/sdr/ASAA2022020237330), Feb 2, 2022: MODULATING VALVE. INOPERATIVE. MAINT ANNUNCIATOR ILLUMINATED ON LANDING. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE FAN AIR MODULATING VALVE IAW B737-9 AMM 36-12-03. 4 BREAKERS PULLED AND
- [SDR ASAA2021122236984](https://openairdocs.org/sdr/ASAA2021122236984), Dec 22, 2021: UNKNOWN. UNKNOWN. HF NO 2 APPEARS TO BE INOPERATIVE/UNUSABLE. RECEPTIONS ARE UNREADABLE AND TRANSMISSIONS GO UNANSWERED ON ALL FREQUENCIES. GROUNDED - YES. PERFORMED BITE TEST ON
- [SDR ASAA2021122236983](https://openairdocs.org/sdr/ASAA2021122236983), Dec 22, 2021: NONE. INOPERATIVE. HF NO 1 APPEARS TO BE UNUSABLE/INOPERATIVE RECEPTION IS UNREADABLE AND TRANSMISSIONS GO UNANSWERED ON ALL FREQUENCIES. GROUNDED - YES. PERFORMED BITE TEST ON HF

All 59: https://openairdocs.org/aircraft/N919AK/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/N919AK/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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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.