# N932AK: 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: 44089
- Year built: 2021
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: January 4, 2022
- Certificate issued: January 5, 2022
- Expires: January 31, 2029
- Mode S code: ACED21
- 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=932AK
- Page: https://openairdocs.org/aircraft/N932AK

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 N932AK.

## FAA accident and incident reports

None matched to N932AK.

## Service difficulty reports (46)

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 ASAA2026100269043](https://openairdocs.org/sdr/ASAA2026100269043), Oct 2, 2026: BATTERY PACK. FAILED. WHILE WORKING T/C 33-055-00, BATTERY PACK M1675 FAILED. GROUNDED - YES. REPLACED BATTERY PACK M1675 REF WDM 33-51-12-1, AND AMM 33-51-06-960-802. OPS CHECK GOOD
- [SDR ASAA2025062859069](https://openairdocs.org/sdr/ASAA2025062859069), Jun 28, 2025: LENS. DETACHED. FA ADVISES EMER EXIT SIGN AT 16F COVER POPPED OFF. GROUNDED - YES. EXIT LIGHT ASSEMBLY REMOVED AND REPLACED OPS CHECK GOOD REF AMM 33-51-01.
- [SDR ASAA2023110546044](https://openairdocs.org/sdr/ASAA2023110546044), Nov 5, 2023: UNKNOWN. UNKNOWN. ENGINE CONTROL LIGHT #2. GROUNDED - YES. FOUND FAULT FOR ENG #2 OVERSPEED PROTECTION. PERFORMED ENG IDLE SYSTEM TEST IAW AMM 71-00-00-700-808-600.FAULT MESSAGES
- [SDR ASAA2023100545515](https://openairdocs.org/sdr/ASAA2023100545515), Oct 5, 2023: UNKNOWN. UNKNOWN. AT FL370 AN CRUISE, EXPERIANCED A DUEL FMC FAILURE WITH " VTK" ON CAPT. N.D LASTED FOR APPROX. 20-30 SECONDS AND THEN BOTH SIDES RESTORED. LNAV/VNAV DISCONECTED
- [SDR ASAA2023092645331](https://openairdocs.org/sdr/ASAA2023092645331), Sep 26, 2023: UNKNOWN. UNKNOWN. WHILE PERFORMING MTC 31-005-00 FOUND SMT MESSAGE. BLEED FAMV RVDT "R" FAULT CODE:361 452 42. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023091345120](https://openairdocs.org/sdr/ASAA2023091345120), Sep 13, 2023: UNKNOWN. UNKNOWN. FOUND ENG 2 EEC C1 WHILE PERFORMING T/C 05-020-01. HAD CORRELATED MSG 73-43814, COMPRESSOR DISCHARGE TEMP (T3) SENOR CHANNEL - A AND CHANNEL - B SIGNALS DO NOT 
- [SDR ASAA2023091045024](https://openairdocs.org/sdr/ASAA2023091045024), Sep 10, 2023: UNKNOWN. UNKNOWN. FOUND FAULT CODE 73-43814 ACTIVE WITH THE LATCHED MESSAGE "ENG 2 EEC C1". GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023090644992](https://openairdocs.org/sdr/ASAA2023090644992), Sep 6, 2023: NOZZLE. DEFORMED. WHILE ACCOMP T.C. 72-220-00 AND PWRPL-72EA-26028-1, FOUND #11,#12,#13 NOZZLE POSN'S DOME DEFLECTORS CIRCUMFRENTIAL CRACKS. ESN 60A073 - #1 ENG PICTURES & VIDEO 
- [SDR ASAA2023090344972](https://openairdocs.org/sdr/ASAA2023090344972), Sep 3, 2023: DEFLECTOR. DAMAGED. FOUND SEVERAL DEFLECTORS OUT OF LIMITS ACCORDING TO AMM 72-00-00-290-805-G00 AREA B. ON #1 ENGINE. GROUNDED - YES. (RESOLVED ON W/O: 1968496 TASKCARD: N/R-00001
- [SDR ASAA2023083044860](https://openairdocs.org/sdr/ASAA2023083044860), Aug 30, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C 05-020-01. FOUND SMT ENG 2 EEC C1 FAULT CODE 732 451 52 CORRELATED MESSAGE 73-43814. ENGINE-2 EEC CHANNEL A&B SIGNALS DO NOT AGREE. GROU
- [SDR ASAA2023082244733](https://openairdocs.org/sdr/ASAA2023082244733), Aug 22, 2023: UNKNOWN. UNKNOWN. #2 IDG DRIVE LIGHT DOES NOT ILLUMINATE WITH THE #2 ENGINE SHUTDOWN. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023080244376](https://openairdocs.org/sdr/ASAA2023080244376), Aug 2, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C 31-005-00, FOUND SMT MSG "BLEED FAMV RVDT L". GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023073044304](https://openairdocs.org/sdr/ASAA2023073044304), Jul 30, 2023: UNKNOWN. UNKNOWN. AFTER LANDING WINDOW HEAT OVERHEAT: LEFT SIDE AND RIGHT FRONT. GROUNDED - YES. PERFORMED BITE TEST ON WHCU BITE TEST GOOD. NO FAULT NOTED THIS TIME. REF B737-9 
- [SDR ASAA2023062443779](https://openairdocs.org/sdr/ASAA2023062443779), Jun 24, 2023: UNKNOWN. UNKNOWN. FOUND MULTIPLE LOCATIONS OF #1 ENG STAGE 1 HPT SHROUD WEAR EXPOSING BASE METAL. VIDEO UPLOADED TO INSPECTION SERVER. POWERPLANT ENGINEERING NOTIFIED. GROUNDED -
- [SDR ASAA2023062443721](https://openairdocs.org/sdr/ASAA2023062443721), Jun 24, 2023: UNKNOWN. UNKNOWN. FOUND CRACK IN DEFLECTION PLATE OF #1 ENG COMBUSTION CHAMBER. IMAGE UPLOADED TO INSPECTION SERVER. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023062443720](https://openairdocs.org/sdr/ASAA2023062443720), Jun 24, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING #1 ENG COMBUSTION CHAMBER BORO FOUND BURN THROUGH HOLE APPROX .056 SQUARE INCHES ON DEFLECTOR PLATE. IMAGES AND VIDEO UPLOADED TO INSPECTION
- [SDR ASAA2023041842927](https://openairdocs.org/sdr/ASAA2023041842927), Apr 18, 2023: TRANSCEIVER. FAULTY. HF # 2 RTP INDICATES FAIL. GROUNDED - YES. INTIAL TROUBLESHOOTING REVEALED MAINTENANCE MESSAGE 23-21042 UNDER PRESENT LEG FAULTS. FOUND 5 INTERMITTENT FAULTS, A
- [SDR ASAA2023040242743](https://openairdocs.org/sdr/ASAA2023040242743), Apr 2, 2023: UNKNOWN. UNKNOWN. CONT CAB ZONE TEMP ILLUMINATED ON RECALL AND EXTINGUISHED ON MASTER CAUTION RESET. GROUNDED - YES. PERFORMED PACK ZONE CONTROLLED BITE TEST AND OPERATIONAL TEST
- [SDR ASAA2023033042649](https://openairdocs.org/sdr/ASAA2023033042649), Mar 30, 2023: UNKNOWN. UNKNOWN. MOMENTARY LOSS OF BOTH FMC'S. LNAV DISENGAGED, VTK ON CAPTAINS DISPLAY, BOTH MCDU'S LOST FMC DATE. CONDITION CORRECTED ITSELF W/IN 20 SECONDS BEFORE QRH COULD B
- [SDR ASAA2023030942310](https://openairdocs.org/sdr/ASAA2023030942310), Mar 9, 2023: VALVE. FAULTY. "MAINT" LIGHT ILLUMINATED ON LANDING ALTERNATE DEACTIVATION PROCEDURES USED PER CHAP 5 TABLE 3 ITEM 7. GROUNDED - YES. FAMV L FAULTED. REMOVED AND REPLACED FAMV
- [SDR ASAA2023030842250](https://openairdocs.org/sdr/ASAA2023030842250), Mar 8, 2023: FILTER. FAULTY. CAUTION OVERHEAD LIGHT ILLUMINATED FOR "MAINT" AFTER LANDING. GROUNDED - YES. FOUND LATCHED FAULT BLEED FAMV L. ACCOMPLISHED B737-9 IFIM 36-12020 STEP A-STEP C(
- [SDR ASAA2023030742232](https://openairdocs.org/sdr/ASAA2023030742232), Mar 7, 2023: UNKNOWN. UNKNOWN. ON LANDING ROLL MASTER CAUTION OVERHEAD MAINT LIGHT ILLUMINATED. GROUNDED - YES. A/C STATUS SHOWED BLEED FAMV L. CORRELATED MX MSG 36-12020 ENG 1 FAMV IS NOT IN
- [SDR ASAA2023011141523](https://openairdocs.org/sdr/ASAA2023011141523), Jan 11, 2023: HF COMM. FAULTED. UNABLE TO OBTAIN SELCAL CHECK ON HF 1 OR 2. LARGE AMOUNT OF ENGINE NOISE FEEDBACK COMING THROUGH RADIOS MAKING COMMUNICATIONS UNINTELLIGIBLE. GROUNDED - YES. PE
- [SDR ASAA2022122981287](https://openairdocs.org/sdr/ASAA2022122981287), Dec 28, 2022: ACTUATOR. FAULTED. #1 ENG SPAR VALVE CLOSED LIGHT ILLUMINATED BRIGHT BLUE DURING CLIMB OUT. GROUNDED - YES. AIR TURNBACK -- REMOVED #1 ENG SPAR VALVE ACTUATOR PER B737-9 AMM 28-22
- [SDR ASAA2022121741165](https://openairdocs.org/sdr/ASAA2022121741165), Dec 17, 2022: ANTI-ICE VALVE. FAULTED. ON DESCENT IN ICING CONDITIONS, GOT A ENG #2 ANTI-ICE CAUTION AND A COWL VALVE CAUTION. GROUNDED - YES. R/R #2 PRSOV IAW B737-9 AMM 36-11-04. OPS CHECK GOOD. NO
- [SDR ASAA2022121641192](https://openairdocs.org/sdr/ASAA2022121641192), Dec 16, 2022: SHUTOFF VALVE. OUT OF TOLERANCE. WHILE PERFORMING ASA T.C. 31-005-00, #2 ENG HAS FAULT 36-11041 ENG 2 PRSOV TORQUE MOTOR SIGNAL OUT OF RANGE. "BLEED PRSOV CTRL R" ON SMT, NON ERASABLE MSG PRESE
- [SDR ASAA2022121141112](https://openairdocs.org/sdr/ASAA2022121141112), Dec 11, 2022: SENSOR. FAILED. RIGHT #2 "ENG ANTI-ICE" AND "COWL VALVE" CAUTION LIGHTS ILLUMINATED IN DESCENT WITH ENGINE ANTI-ICE ON. GROUNDED - YES. FOUND STATUS MSG BLEED P1 SENSOR R WITH 
- [SDR ASAA2022120841045](https://openairdocs.org/sdr/ASAA2022120841045), Dec 8, 2022: BLEED VALVE. WARNING LIGHT. FOLLOW-UP TO REPORT OF #2(RH) HIGH DUCT PRESSURE WITH AERMETRIC FAULT 36-11041(PRSOV TORQUE MOTOR SIGNAL OUT OF RANGE). GROUNDED - YES. ACCOMPLISHED ASA TSR 713
- [SDR ASAA2022120241013](https://openairdocs.org/sdr/ASAA2022120241013), Dec 2, 2022: LRU. FAULTED. JUST AFTER T.O. RIGHT DUCT PRESSURE WAS ABOUT 75 PSI WITH LEFT ABOUT 40 PSI. PRESSURE WOULD DECREASE AS THE THROTTLE WAS DECREASED. PRESSURE IN RIGHT DUCT REMAI
- [SDR ASAA2022112540937](https://openairdocs.org/sdr/ASAA2022112540937), Nov 25, 2022: WARNING MESSAGE. FALSE ACTIVATION. JUST PRIOR TO LEVEL OFF AT FL330 "VTK" APPEARED ON NAV DISPLAYS. BOTH "FMC" PROMPTS ON FMC CDU MENU PAGE DISAPPEARED NAV DATA ON MAP DISPLAYS DISAPPEARED BLANKI
- [SDR ASAA2022110240565](https://openairdocs.org/sdr/ASAA2022110240565), Nov 2, 2022: FMC. FAULTED. FMC DISAGREE ON GROUND. GROUNDED - YES. COMPLETED ASA CHECKLIST, PULLED & RESET CB'S, RESOLVED.
- [SDR ASAA2022100140127](https://openairdocs.org/sdr/ASAA2022100140127), Oct 1, 2022: FMC. FAULTED. MOMENTARY VTK ON F.O. SIDE. CLEARED IN LESS THAN 10 SECONDS WITHOUT PILOT INTERVENTION. GROUNDED - YES. PERFORMED TASK B737-9 IFIM 31-00-00-810-803. NO MAINTENA
- [SDR ASAA2022092540076](https://openairdocs.org/sdr/ASAA2022092540076), Sep 25, 2022: IGNITION UNIT. FAILED. APU FAULT LIGHT CAME ON AFTER FAILED START. GROUNDED - YES. REMOVED AND REPLACED IGNITION UNIT REF B737-9 AMM 49-41-31.
- [SDR ASAA2022091339938](https://openairdocs.org/sdr/ASAA2022091339938), Sep 13, 2022: UNKNOWN. UNKNOWN. FMC DISAGREE MSG ON NAV DISPLAY. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM 34-61-00-810-918. FMC RESTORED.
- [SDR ASAA2022090239772](https://openairdocs.org/sdr/ASAA2022090239772), Sep 2, 2022: TRIM SYSTEM. FAULTED. SPEED TRIM FAIL ILLUMINATED DURING MASTER CAUTION RECALL. LIGHT EXTINGUISHED WHEN MASTER CAUTION SYSTEM WAS RESET. GROUNDED - YES. PERFORMED B737-9 IFIM 22-11-0
- [SDR ASAA2022080339344](https://openairdocs.org/sdr/ASAA2022080339344), Aug 3, 2022: FMC. FAULTED. FMC DISAGREE DISPLAYED ON BOTH ND'S AFTER ALIGNMENT. GROUNDED - YES. PERFORMED MAX DISPLAY OPS TEST REF B737-9 AMM 31-65-00-710-801 OPS CK GOOD. PERFORMED FMC D
- [SDR ASAA2022060938619](https://openairdocs.org/sdr/ASAA2022060938619), Jun 9, 2022: MODULATING VALVE. FAULTY. MAINT LIGHT ILLUMINATED ON LANDING. GROUNDED - YES. REMOVED AND REPLACED FAN AIR MODULATING VALVE REF B737-9 AMM 36-12-03. OPS CHECK GOOD.
- [SDR ASAA2022060938609](https://openairdocs.org/sdr/ASAA2022060938609), Jun 9, 2022: MODULATING VALVE. WARNING LIGHT. AMBER "MAINT" LIGHT ILLUMINATED. GROUNDED - YES. FOUND FAULT MESSAGE 36-12012. #2 ENGINE FAMV IS NOT IN COMMANDED POSITION. ACCOMPLISHED TASK B737-9 IFIM 36-12-
- [SDR ASAA2022060538574](https://openairdocs.org/sdr/ASAA2022060538574), Jun 5, 2022: MODULATING VALVE. WARNING LIGHT. OVERHEAD MAINT LIGHT ILLUMINATED UPON LANDING. GROUNDED - YES. FAULT CODE: 361 125 42, MAINT MESSAGE: 36-12021 (ENG 2 FAMV IS NOT IN COMMANDED POSITION). ACCOMP
- [SDR ASAA2022060238540](https://openairdocs.org/sdr/ASAA2022060238540), Jun 2, 2022: DFGS. FAULTY. REF ASA TSR 711982, WHILE ACCOMPLISHING DFCS BITE FOR CONNECTOR D40470P DISCONNECT DFCS BITE FAILS BITE LIBRARY TEST 60.35. MSG 22-11191 & MSG 22-11194. GROUNDE
- [SDR ASAA2022042738151](https://openairdocs.org/sdr/ASAA2022042738151), Apr 27, 2022: UNKNOWN. UNKNOWN. ON TAXI IN WINDOW HEAT R SIDE OVERHEAT LIGHT ILLUMINATED COMPLIED WITH QRH AND LIGHT STAYED EXTINGUISHED. GROUNDED - YES. PERFORMED OPS CHECK REF B737-9 IFIM 30
- [SDR ASAA2022040437895](https://openairdocs.org/sdr/ASAA2022040437895), Apr 4, 2022: UNKNOWN. UNKNOWN. (L) FWD WINDOW OVERHEAT LIGHT ILLUMINATED ON LANDING. GROUNDED - YES. PERFORMED WHCU SYSTEM TEST REF B737-9 AMM 30-41-11-710-801 OPS CHECK GOOD NO DEFECTS NOTED
- [SDR ASAA2022031837721](https://openairdocs.org/sdr/ASAA2022031837721), Mar 18, 2022: PUMP. LEAKING. FUEL LEAKING UNDERNEATH #1 ENG. STOPPED WITHIN 10 MINUTES. GROUNDED - YES. HAD FLT CREW RUN ENG #1, IDENTIFIED LEAK COMING FROM FUEL PUMP DRAIN. REF B737-9 AMM 
- [SDR ASAA2022022037509](https://openairdocs.org/sdr/ASAA2022022037509), Feb 20, 2022: UNKNOWN. UNKNOWN. FMC DISAGREE ON GROUND, RAN QRH, MESSAGE NO LONGER DISPLAYED. GROUNDED - YES. REF B737-9 IFIM 34-61-00-810-918, INITIAL EVALUATION GOOD. INTERMITTENT FAULT.
- [SDR ASAA2022021737512](https://openairdocs.org/sdr/ASAA2022021737512), Feb 17, 2022: FMC. FAULTY. WHEN A/P A IS ENGAGED VNAV DISCONNECTS FMA DISPLAYS CWP REVERTS TO MCP SPD/LNAV/ALT HOLD. AMBER LOW A/S BAND CONT FLUCTUATES. A/P B OPERATES NORMAL, CAPT AMBER 
- [SDR ASAA2022020537351](https://openairdocs.org/sdr/ASAA2022020537351), Feb 5, 2022: UNKNOWN. UNKNOWN. HF 1 FAIL ON PREFLIGHT. GROUNDED - YES. REMOVED AND REPLACED AIRCRAFT EXTERNAL POWER PER B737-9 AMM 24-41-00 AS A RESET PROCEDURE. SYSTEM OPS CHECK NORMAL.

## 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/N932AK/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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