# N913AK: 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: 44079
- Year built: 2021
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: January 20, 2021
- Certificate issued: February 8, 2021
- Expires: February 29, 2028
- Mode S code: ACA1DA
- 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=913AK
- Page: https://openairdocs.org/aircraft/N913AK

From the FAA registry file of October 27, 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): 49 in force

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

- [AD 2026-21-07](https://openairdocs.org/ad/2026-21-07): Wings · Boeing 737-8, 737-9 and 737-8200. Effective Dec 1, 2026
- [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 N913AK.

## FAA accident and incident reports

None matched to N913AK.

## Service difficulty reports (72, 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 ASAA2026081168263](https://openairdocs.org/sdr/ASAA2026081168263), Aug 11, 2026: ANGLE. CORRODED. AFT CARGO RT LOWER FRAME BS 727L AT TRANSITION PANEL CORRODED AT NUTPLATE. GROUNDED - YES. REMOVED CORROSION FROM THE AFT PIT R/H LOWER FRAME LINER BRACKET AT S
- [SDR ASAA2026081168187](https://openairdocs.org/sdr/ASAA2026081168187), Aug 11, 2026: TRANSITION PANEL. CORRODED. AFT CARGO RT TRANSITION PANEL CORRODED FROM BS 727+4 TO STA 727I+8. GROUNDED - YES. REMOVED CORROSION FROM THE AFT PIT RT TRANSITION PANEL AT BS 727+4 - 727I+8 
- [SDR ASAA2026081168186](https://openairdocs.org/sdr/ASAA2026081168186), Aug 11, 2026: TRANSITION PANEL. CORRODED. AFT CARGO RT TRANSITION PANEL CORRODED FROM BS 727I+8 - 767. GROUNDED - YES. REMOVED CORROSION FROM THE AFT PIT RT TRANSITION PANEL AT BS 727I+8 - 767 IAW SRM 5
- [SDR ASAA2026081168185](https://openairdocs.org/sdr/ASAA2026081168185), Aug 11, 2026: TRANSITION PANEL. CORRODED. AFT CARGO LT TRANSITION PANEL CORRODED FROM BS 727I+8 TO 847. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT LT SIDE TRANSITION PANEL FROM BS 727I+8 - 847 IAW S
- [SDR ASAA2026081168184](https://openairdocs.org/sdr/ASAA2026081168184), Aug 11, 2026: TRANSITION PANEL. CORRODED. AFT CARGO LT TRANSITION PANEL CORRODED FROM STA 727+4 TO 727I+8. GROUNDED - YES. REMOVED CORROSION FROM AFT PIT L/H SIDE TRANSITION PANEL FROM BS 727+4 TO 727I+
- [SDR ASAA2026080768183](https://openairdocs.org/sdr/ASAA2026080768183), Aug 7, 2026: SUPPORT ANGLE. CORRODED. FWD CARGO AFT BULKHEAD LOWER SUPPORT HAS CORROSION. GROUNDED - YES. UPON FURTHER EVAL OF FWD PIT LOWER BULKHEAD SUPPORT FOUND TO BE OUT OF LIMITS DUE TO NO LIMI
- [SDR ASAA2025110462086](https://openairdocs.org/sdr/ASAA2025110462086), Nov 4, 2025: BATTERY PACK. NO TEST. IN REFERENCE TASK CARD 33-055-00, EMERGENCY LIGHTS BATTERY PACK M1673 FAILED CAPACITY FUNCTIONAL CHECK. GROUNDED - YES. M1673 FAILED RETEST PER TASK CARD. REMOV
- [SDR ASAA2024101653899](https://openairdocs.org/sdr/ASAA2024101653899), Oct 16, 2024: LIGHT. DAMAGED. FLOOR STRIP REFLECTIVE LIGHTING AT ROW 1AC BROKEN AND TRIP HAZARD. GROUNDED - YES. REMOVED AND REPLACED BROKEN PHOTOLUMINESCENT STRIP IAW B737 AMM 33-51-15-960-
- [SDR ASAA2024051849718](https://openairdocs.org/sdr/ASAA2024051849718), May 18, 2024: MODULE. FAULTY. ENROUTE WITH CENTER PUMP, LOW PRESSURE LIGHT ILLUMINATION THE FIRE WARNING LIGHT ALSO ILLUMINATED. WITH CENTER PUMPS OFF, THE FIRE WARNING LIGHT EXTINGUISHED. N
- [SDR ASAA2023110746076](https://openairdocs.org/sdr/ASAA2023110746076), Nov 7, 2023: MODULATING VALVE. FAULTY. MAINT LIGHT ILLUMINATED. STATUS BLEED FAMV R. GROUNDED - YES. OPENED #2 FANCOWLS, T/R. REF. CHAPTER 5-07-01 PG3, TABLE 3, ITEM 7. REPLACED RIGHT FAN AIR MODULAT
- [SDR ASAA2023110546042](https://openairdocs.org/sdr/ASAA2023110546042), Nov 5, 2023: UNKNOWN. UNKNOWN. ON LANDING ROLL, MAINT LIGHT ILLUMINATED. GROUNDED - YES. REF FIM TASK 31-65-00-810-835, FOUND BLEED FAMV R STATUS MESSAGE, MAINT LIGHT STILL ON 39042 11/05/202
- [SDR ASAA2023110446026](https://openairdocs.org/sdr/ASAA2023110446026), Nov 4, 2023: UNKNOWN. UNKNOWN. MAINT LIGHT ON OVERHEAD. GROUNDED - YES. VERIFIED FAULT STATUS BLEED FAMV R. MSSG 36-12021. ACCOMP INITIAL EVALUATION USING BOTH TEST LRU REPLACEMENT TEST, TEST
- [SDR ASAA2023102945895](https://openairdocs.org/sdr/ASAA2023102945895), Oct 29, 2023: UNKNOWN. UNKNOWN. DURING ENG WASH FOR # 2 ENGINE, SMT MESSAGE DURING FIRST ENG RUN "ENGINE 2 MANIFOLD DUCT PRESSURE SENSOR 1 SIGNAL IS OUT OF RANGE". GROUNDED - YES. PERFORMED IF
- [SDR ASAA2023102445836](https://openairdocs.org/sdr/ASAA2023102445836), Oct 24, 2023: UNKNOWN. UNKNOWN. FMC DISAGREE MESSAGE ON MAP DISPLAY. GROUNDED - YES. PERFORMED FMC DISAGREE QRH CHECKLIST AND FMC DISAGREE MESSAGE NO LONGER DISPLAYED.
- [SDR ASAA2023101145576](https://openairdocs.org/sdr/ASAA2023101145576), Oct 11, 2023: UNKNOWN. UNKNOWN. FMC DISAGREE ON GROUND. GROUNDED - YES. RAN QRH, LIGHT WENT AWAY.
- [SDR ASAA2023100845494](https://openairdocs.org/sdr/ASAA2023100845494), Oct 8, 2023: UNKNOWN. UNKNOWN. HF #1 SHOWS FAIL / FAIL. GROUNDED - YES. RESET C/B AND PERFORMED BITE TEST REF B737-9 AMM 23-11-21 OPS CK GOOD.
- [SDR ASAA2023100745476](https://openairdocs.org/sdr/ASAA2023100745476), Oct 7, 2023: EEC. FAULTY. CFM IS REPORTING A POTENTIAL PROBLEM WITH #1 ENGINE EEC CHANNEL A VIBRATION ANALYSIS HEALTH MODULE, WITHIN THE EEC. GROUNDED - YES. REMOVED AND REPLACED EEC PER
- [SDR ASAA2023092645327](https://openairdocs.org/sdr/ASAA2023092645327), Sep 26, 2023: UNKNOWN. UNKNOWN. "FMC DISAGREE" MESSAGE APPEARED DURING PREFLIGHT. GROUNDED - YES. PERFORMED RESET PROCEDURE PER QRH.
- [SDR ASAA2023092445289](https://openairdocs.org/sdr/ASAA2023092445289), Sep 24, 2023: UNKNOWN. UNKNOWN. FOUND LATCHED MESSAGE IN UNSCHEDULED MAINT,BLEED PM SENSOR 1R, FAULT CODE 361 453 42MESSAGE 36-21021. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023092145258](https://openairdocs.org/sdr/ASAA2023092145258), Sep 21, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C 31-005-00, FOUND SMT BLEED PM SENSOR 1R MX MSG 36-21021 ENGINE 2 MANIFOLD DUCT PRESSURE SENSOR 1 SIGNAL IS OUT OF RANGE. GROUNDED - YES.
- [SDR ASAA2023091245119](https://openairdocs.org/sdr/ASAA2023091245119), Sep 12, 2023: SENSOR. FAULTY. GE DIAGNOSTICS REPORTS #1 ENGINE (SN 603281) FUEL FILTER DELTA PRESSURE IS EXPERIENCING AN INCREASE,INDICATING A POTENTIAL FUTURE IMPENDING FUEL FILTER BYPASS. 
- [SDR ASAA2023082444793](https://openairdocs.org/sdr/ASAA2023082444793), Aug 24, 2023: SENSOR. FAULTY. GE DIAGNOSTICS REPORTS #2 ENGINE (SN 603335) FUEL FILTER DELTA PRESSURE IS EXPERIENCING AN INCREASE,INDICATING A POTENTIAL FUTURE IMPENDING FUEL FILTER BYPASS. 
- [SDR ASAA2023071544041](https://openairdocs.org/sdr/ASAA2023071544041), Jul 15, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C 31-005-00, FOUND SMT "BLEED FAMV RVDT L"MAINT. MSG. 36-12030 "ENG-1 FAMV RVDT SIGNAL IS OUT OF RANGE". GROUNDED - YES. (RESOLVED ON W/O:
- [SDR ASAA2023061743727](https://openairdocs.org/sdr/ASAA2023061743727), Jun 17, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C 31-005-00 FOUND SMT "BLEED PM SENSOR 1L ENG 1". MAINT MSG 36-21020 "MANIFOLD DUCT PRESSURE SENSOR SIGNAL OUT OF RANGE". GROUNDED - YES. 
- [SDR ASAA2023051843298](https://openairdocs.org/sdr/ASAA2023051843298), May 18, 2023: UNKNOWN. UNKNOWN. FMC DISAGREE ON THE GROUND, QRH PROCEDURE ACCOMPLISHED WITH SATISFACTORY RESULT. GROUNDED - YES. PERFORMED B737-9 IFIM 34-61-00-810-918, NO FAULT. PERFORMED GOO
- [SDR ASAA2023050443141](https://openairdocs.org/sdr/ASAA2023050443141), May 4, 2023: UNKNOWN. UNKNOWN. ENROUTE AT 350, BOTH FMC'S FAILED FOR APPROXIMATELY 2 MINUTES. VTK ON BOTH ND'S LNAV/ VNAV DISENGAGE. BOTH FMC'S RECOVERED AND WORKED NORMALLY FOR REMAINDER OF 
- [SDR ASAA2023050243087](https://openairdocs.org/sdr/ASAA2023050243087), May 2, 2023: UNKNOWN. UNKNOWN. FMC DISAGREE ON POWER UP. GROUNDED - YES. PERFORMED B737-9 IFIM 34-61-00-810-918, FMC DISAGREE MSG DID NOT RETURN, NO FAULTS NOTED AT THIS TIME.
- [SDR ASAA2023031942447](https://openairdocs.org/sdr/ASAA2023031942447), Mar 19, 2023: UNKNOWN. UNKNOWN. REFUEL INDICATION, ALL 3 IND SHOWS (ARINC) WITH BATTERY SWITCH IN OFF POSITION. GROUNDED - YES. RESEATED PIN XA3 WIRE # W6572-6001-20 ON TB3044, OPS NML REF B73
- [SDR ASAA2022123141349](https://openairdocs.org/sdr/ASAA2022123141349), Dec 31, 2022: FMC. FAULTED. RIGHT FMC FAILURE RAN QRH, OPS RESTORED TO NORMAL. GROUNDED - YES. CHECKED LAST FLT FAULTS NO FAULTS FOR EITHER FMC. ACCOMP FMC SENSOR STATUS SHOWS OK FOR BOTH 
- [SDR ASAA2022121341116](https://openairdocs.org/sdr/ASAA2022121341116), Dec 13, 2022: WARNING MESSAGE. FALSE INDICATION. R2 WINDSHIELD OVERHEAT GROUNDED - YES. RESET PER ASA CHECKLIST, OPS NORMAL.
- [SDR ASAA2022120941086](https://openairdocs.org/sdr/ASAA2022120941086), Dec 9, 2022: GAUGE. UNKNOWN. FUELER REPORTS FUEL GAUGES IN WING DIGITS UNREADABLE. GROUNDED - YES. PERFORMED OPS CK OF REFUEL QTY INDICATORS PER B737-9 AMM 28-41-61. OPS CK NORMAL.
- [SDR ASAA2022102740480](https://openairdocs.org/sdr/ASAA2022102740480), Oct 27, 2022: TAT PROBE. FAULTED. CLIMBING THROUGH 16000 FT VNAV DISCONNECTED. TAT TEMP WAS CLIMBING TO 99 DEGREE AND TO 15 DEGREE CAUSING AT LIM ANNUNCIATOR INTERMITENTLY. ALL ASSOCIATED SYSTEM
- [SDR ASAA2022100240152](https://openairdocs.org/sdr/ASAA2022100240152), Oct 2, 2022: MODULATING VALVE. FAULTY. ON LANDING THE MAINT LIGHT ILLUMINATED ON THE OVERHEAD PANEL. GROUNDED - YES. REMOVED THE #1 ENGINE FAMV PER B737-9 AMM 36-12-03-000-801. INSTALLED NEW FAMV. RE
- [SDR ASAA2022100140132](https://openairdocs.org/sdr/ASAA2022100140132), Oct 1, 2022: MODULATING VALVE. FAULT MESSAGE. "MAINT" LIGHT ON OVERHEAD PANEL CAME ON DURING LANDING ROLLOUT. GROUNDED - YES. A/C GIVING FAULT BLEED FAMV LEFT MAINT STATUS MESSAGE, C/O B737-9 IFIM TASK 36-1
- [SDR ASAA2022081939569](https://openairdocs.org/sdr/ASAA2022081939569), Aug 19, 2022: INDICATOR. FAILED. REFUEL PANEL FUEL QTY INDICATORS SHOWING ARINC FAULT WITH NO QTY INDICATION. GROUNDED - YES. REMOVD/INSTALLED NEW FQIS UNIT. REF B737-9 AMM 28-41-81-401.
- [SDR ASAA2022081739542](https://openairdocs.org/sdr/ASAA2022081739542), Aug 17, 2022: MODULATING VALVE. FAULTY. REF RECENT HISTORY ON MAINTENNACE LIGHT, AFT OVERHEAD AND THE CORRELATED MAINTENANCE MESSAGE 'R FAMV. GROUNDED - YES. REMOVED AND REPLACED H/H FAMV REF. B737-9 
- [SDR ASAA2022081639540](https://openairdocs.org/sdr/ASAA2022081639540), Aug 16, 2022: WARNING LIGHT. FALSE ACTIVATION. MAINT LIGHT ON AFT OVERHEAD PANEL ILLUMINATED ON LANDING. GROUNDED - YES. FOUND CODE BLEED FAMVR MESSAGE ON STATUS PAGE 36-12021, PERFORMED PNEUMATIC ENGINE ON 
- [SDR ASAA2022081539526](https://openairdocs.org/sdr/ASAA2022081539526), Aug 15, 2022: MODULATING VALVE. WARNING LIGHT. AFTER LANDING MAINT LIGHT ON OVERHEAD PANNEL ILLUMINATED. GROUNDED - YES. MAINT MSG 36-12021 FOUND ON INBOUND FLIGHT DECK EFFECT STATUS MSG BLEED FAMU. C/W MAIN
- [SDR ASAA2022081239488](https://openairdocs.org/sdr/ASAA2022081239488), Aug 12, 2022: CONTROL PANEL. FAILED. MCP ALTITUDE WINDOW HAS MULTIPLE WHITE DOTS MAKING SELECTED ALTITUDE DIFFICULT TO READ. GROUNDED - YES. REMOVED/ INSTALLED NEW MCP REF B737-9 AMM 22-11-34/401.
- [SDR ASAA2022081039478](https://openairdocs.org/sdr/ASAA2022081039478), Aug 10, 2022: SEAL. LEAKING. #2 ENG DRIVEN PUMP DRIVE PAD LEAKING OIL BEYOND LIMITS (REF ASA TSR 7127748). GROUNDED - YES. REPLACED #2 ENG HYD PUMP AGB SEALS REF B737-9 AMM 72-64-01-400-801
- [SDR ASAA2022081039460](https://openairdocs.org/sdr/ASAA2022081039460), Aug 10, 2022: SENSOR. FAULTY. #2 ENGINE OIL TREND DATA SHOWS OIL CONSUMPTION RATE IS INCREASING AGAIN. ENGINE POWER RUN REQUIRED. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE OIL LEVEL SEN
- [SDR ASAA2022070438932](https://openairdocs.org/sdr/ASAA2022070438932), Jul 4, 2022: OVERHEAT. WARNING LIGHT. THE RIGHT FWD (R1) WINDOW OVERHEAT LIGHT ILLUMINATED ON THE GROUND IN SEATTLE. RAN QRH PROCEDURE, LIGHT EXTINGUISHED AND STAYED EXTINGUISHED. GROUNDED - YES. PE
- [SDR ASAA2022070238898](https://openairdocs.org/sdr/ASAA2022070238898), Jul 2, 2022: CONTROL PANEL. INTERMITTENT. MCP BLANK. GROUNDED - YES. PERFORMED B737-9 IFIM 22-10-00-810-821MCP RETURNED TO NORMAL.
- [SDR ASAA2022062138808](https://openairdocs.org/sdr/ASAA2022062138808), Jun 21, 2022: PACKING. WORN. #2 ENGINE SHOWS EVIDENCE OF EXTERNAL OIL LEAKAGE WITH OIL ON COWLING. GROUNDED - YES. PERFORMED BOTH EXTERNAL SURFACES AND OIL SYSTEM INSPECTION REF B737-9 AMM 
- [SDR ASAA2022060838607](https://openairdocs.org/sdr/ASAA2022060838607), Jun 8, 2022: BLADE. NICKED. #2 ENGINE, NICK FOUND ON LEADING EDGE OF FAN BLADE. GROUNDED - YES. PERFORMED FAN BLADE INSPECTION ON THE ENG #2, BLADE #3 DEPTH MEASUREMENT 0.0225 IN. PERMITTE
- [SDR ASAA2022053038482](https://openairdocs.org/sdr/ASAA2022053038482), May 30, 2022: SENSOR. FAULTY. FO #2 WINDOW HEATER INOP. GROUNDED - YES. WHCU BITE FOR WINDOW #2 RIGHT LAST LEG INDICATES SENSOR #1 FAULT. REMOVED AND REPLACED FO #2 WNDOW REF B737-9 AMM 56-1
- [SDR ASAA2022051338324](https://openairdocs.org/sdr/ASAA2022051338324), May 13, 2022: HEATER. FAILED. RH SIDE #2 HEAT INOP. GROUNDED - YES. ON DEFERRAL. RH SIDE #2 HEAT INOP. GROUNDED - YES. ACCOMPLISHED WHCU TEST REF B737-9 AMM 30-41-11. NO FAULTS FOUND. ACCOMP
- [SDR ASAA2022051138262](https://openairdocs.org/sdr/ASAA2022051138262), May 11, 2022: FMC. FAULTED. MOMENTARY LEFT FMC FAIL, VTK CAPTAIN'S ND. RAN QRH, FMC OPS RESTORED AFTER 30 SECONDS, (BEFORE MOVING FMC SOURCE SWITCH). GROUNDED - YES. NO HISTORY- LEFT FMC F
- [SDR ASAA2022042738144](https://openairdocs.org/sdr/ASAA2022042738144), Apr 27, 2022: UNKNOWN. UNKNOWN. MODE CONTROL PANEL INOP. NO LIGHTS SHOWN. GROUNDED - YES. RESET POWER TO MODE CONTROL PANEL REF B737-9 FIM 22-10-00.
- [SDR ASAA2022041137951](https://openairdocs.org/sdr/ASAA2022041137951), Apr 11, 2022: CIRCUIT BREAKER. FAULTED. MCP BLANK. GROUNDED - YES. PERFORMED B737-9 IFIM 22-10-00-810-821. RESET CB P18-1, D5 AND P6-2, C3. OPS CHECK NORMAL. MCP INSTALLATION TEST PASS REF B737-9 AMM 

All 72: https://openairdocs.org/aircraft/N913AK/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/N913AK/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

---
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.