# N928AK: 2022 Boeing 737-9

- Status: Valid registration
- Airframe: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (registry code 138469A, 48 seats)
- Engine: [CFM International LEAP-1B28 series](https://openairdocs.org/engine/cfm-international-leap-1b28-series) (registry code 13120)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company), [TCDS E00088EN](https://openairdocs.org/tcds/E00088EN) (CFM International S.A.) (OpenAirDocs)
- Serial number: 44099
- Year built: 2022
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: February 8, 2022
- Certificate issued: February 17, 2022
- Expires: February 28, 2029
- Mode S code: ACDBEC
- 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=928AK
- Page: https://openairdocs.org/aircraft/N928AK

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 N928AK.

## FAA accident and incident reports

None matched to N928AK.

## Service difficulty reports (37)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR ASAA2025111662363](https://openairdocs.org/sdr/ASAA2025111662363), Nov 16, 2025: LAMP. INOPERATIVE. R2 DOOR EMERGENCY SLIDE LIGHT INOP. GROUNDED - YES. RELAMPED R2 DOOR EMERGENCY LIGHT, OPS CHECK GOOD REF B737 MAX AMM 33-51-04.P.O 1056359.1.
- [SDR ASAA2024062550530](https://openairdocs.org/sdr/ASAA2024062550530), Jun 25, 2024: LENS. WRONG PART. EXIT SIGN @ 16ABC DOES NOT HAVE ARROW POINTING TOWARDS DOOR. GROUNDED - YES. REMOVED AND REPLACED EXIT SIGN AT 16ABC AS REQ'D.
- [SDR ASAA2023102845904](https://openairdocs.org/sdr/ASAA2023102845904), Oct 28, 2023: UNKNOWN. UNKNOWN. R FWD WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. ACCOMPLISHED IFIM 30-41-00-810-829. OPS NORMAL REF AMM 33-41-00-710-801.
- [SDR ASAA2023100645485](https://openairdocs.org/sdr/ASAA2023100645485), Oct 6, 2023: UNKNOWN. UNKNOWN. WHILE PERFORMING TASK CARD # 31-005-00 FOUND ACTIVE MAINTENANCE MESSAGE 21-55341 FOR IASC-R (AIR COND) HAS AN AIR/GND DISCRETE INPUT ERROR. GROUNDED - YES. PERF
- [SDR ASAA2023092645340](https://openairdocs.org/sdr/ASAA2023092645340), Sep 26, 2023: PACKING. DAMAGED. OVERHEAD "MAIN" LIGHT ILLUMINATED UPON LANDING/ROLLOUT. GROUNDED - YES. (RESOLVED ON W/O: 1970377 TASKCARD: N/R-00005 ) PERFORMED #1 ENGINE ODMS SENSOR INSPECTI
- [SDR ASAA2023092345274](https://openairdocs.org/sdr/ASAA2023092345274), Sep 23, 2023: UNKNOWN. UNKNOWN. HF 1 INOP AND NO SELCAL PRIOR TO EEP. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023091345133](https://openairdocs.org/sdr/ASAA2023091345133), Sep 13, 2023: UNKNOWN. UNKNOWN. RESET LIGHTS FOR CAPT A/T,A/P, FMC DO NOT ILLUM ON TEST(ABOVE CAPT RT PFD). GROUNDED - YES. FOUND C/B D1 ON P18-1 PANEL OPEN RESET C/B REF. A.M.M. 20-60-61 VERI
- [SDR ASAA2023090244937](https://openairdocs.org/sdr/ASAA2023090244937), Sep 2, 2023: TIRE. DAMAGED. DURING WALK AROUND FOUND #2 TIRE TREAD DAMAGED (TREAD PLY SEPARATED FROM TIRE). REPORTED BLEW UP ON LANDING. GROUNDED - YES. REMOVED AND REPLACED MLG TIRE ASSY 
- [SDR ASAA2023083145181](https://openairdocs.org/sdr/ASAA2023083145181), Aug 31, 2023: FUEL NOZZLE. DIRTY. GE DIAGNOSTICS REPORTS #1 ENGINE TREND DATA SHOWS EXCESS COKING OF THE FUEL NOZZLE MAIN ORIFICES. (#PRI3/ETOPS) (FULL SET FUEL NOZZLE REPLACEMENT)NO EXTENSION A
- [SDR ASAA2023060943528](https://openairdocs.org/sdr/ASAA2023060943528), Jun 9, 2023: UNKNOWN. UNKNOWN. LEFT SIDE #2 WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023060443450](https://openairdocs.org/sdr/ASAA2023060443450), Jun 4, 2023: VALVE. WORN. DURING ENGINE WASH OF #1 ENG FOUND BOLT ON HPSOV LOCKOUT WORN. GROUNDED - YES. REMOVED AND REPLACED HPSOV PER B737-9 AMM 36-11-07. PERFORMED OPS CHECK AND LEAK 
- [SDR ASAA2023050943194](https://openairdocs.org/sdr/ASAA2023050943194), May 9, 2023: UNKNOWN. UNKNOWN. MAINT LIGHT ON AFTER LANDING. GROUNDED - YES. CK'D AND FOUND FAULT MSG 73-41401-ENG 1 EEC CHANNEL A NO ARINC-429 INPUT. ACCOMPLISHED EEC TEST ON # 1 ENG TEST PA
- [SDR ASAA2023040242661](https://openairdocs.org/sdr/ASAA2023040242661), Apr 2, 2023: UNKNOWN. UNKNOWN. "MAINT" LIGHT ILLUMINATED. GROUNDED - YES. INTERROGATED FAULTS AND FOUND FAULT 21-65151, CONTROL CABIN TRIM VALVE SIGNAL IS OUT OF RANGE OR VALVE IS NOT IN COMM
- [SDR ASAA2023030842251](https://openairdocs.org/sdr/ASAA2023030842251), Mar 8, 2023: FILTER. CLOGGED. APU LUBE FILTER DPI EXTENDED. GROUNDED - YES. REMOVED AND REPLACED APU LUBE FILTER AND RESET FILTER HOUSING DPI PER B737-9 AMM 49-91-12.
- [SDR ASAA2023021942013](https://openairdocs.org/sdr/ASAA2023021942013), Feb 19, 2023: SENSOR. FAULTY. #1 ENGINE IS ALERTING FOR OIL FILTER DELTA PRESSURE INCREASE AND APPROACHING OIL FILTER BYPASS INDICATION. GROUNDED - YES. COMPLETED TSR STEPS 1, 5, 6, NO DEBRI
- [SDR ASAA2023021541969](https://openairdocs.org/sdr/ASAA2023021541969), Feb 15, 2023: STRIP. INOPERATIVE. FA REPORTS PHOTOLUMINESCENT FLOOR LIGHTS ARE NOT ILLUMINATING. GROUNDED - YES. VERIFIED PHOTOLUMINESCENT STRIP/FLOOR PROXIMITY LIGHT INOP AT LAV D, AND BOTH AT 
- [SDR ASAA2023021441939](https://openairdocs.org/sdr/ASAA2023021441939), Feb 14, 2023: UNKNOWN. UNKNOWN. APU FAULT ILLUMINATED DURING START ON FIRST AND SECOND ATTEMPT. GROUNDED - YES. FOUND MAINT MSG 49-61002 & 49-61144 IN FAULT HISTORY. ACCOMPLISHED B737-9 IFIM T
- [SDR ASAA2023020741871](https://openairdocs.org/sdr/ASAA2023020741871), Feb 7, 2023: UNKNOWN. UNKNOWN. LEFT WING ANTI-ICE "L-VALVE" MASTER CAUTION LIGHT ILLUMINATED WITH THE WING ANTI-ICE SWITCH IN THE ON POSITION THE "LVALVE" MASTER CAUTION LIGHT WENT OUT WHEN T
- [SDR ASAA2022120841088](https://openairdocs.org/sdr/ASAA2022120841088), Dec 8, 2022: ANTI-ICE VALVE. UNKNOWN. LEFT WING ANTI ICE VALVE DID NOT EXTINGUISH WHEN ANTI ICE VALVE TURNED ON. LEFT WING REMAINED ICED UP, RIGHT WING WAS CLEAN. GROUNDED - YES. IT WAS A HARD FAIL 
- [SDR ASAA2022120741044](https://openairdocs.org/sdr/ASAA2022120741044), Dec 7, 2022: DISPLAY. FAULTED. LNAV AND VNAV NOT ENGAGED ON GROUND IN PDX ON TAXI OUT. ALSO FO AMBER FLAGS OF MAP ON PFD AND NO VSPD AND LND ALT O ND. GROUNDED - YES. MX CONTROL ADVISED TO RU
- [SDR ASAA2022103140547](https://openairdocs.org/sdr/ASAA2022103140547), Oct 31, 2022: ANTI-ICE VALVE. FAULTED. L VALVE R VALVE WING ANTI - ICE CAUTION LIGHTS ILLUMINATED IN FLIGHT. GROUNDED - YES. REMOVED L WING ANTI-ICE VALVE REF B737-9 AMM 30-11-11-000-801 STEPS E, F (
- [SDR ASAA2022092240012](https://openairdocs.org/sdr/ASAA2022092240012), Sep 22, 2022: MODULATING VALVE. DEGRADED. ASA TECH SERVICES REQUEST FOR REPLACEMENT OF THE #1 FAN AIR MODULATING VALVE (FAMV) DUE TO AERMETRIC TRENDS. GROUNDED - YES. REF ASA T/C M9-36CMPT-24668-1. REMO
- [SDR ASAA2022091939997](https://openairdocs.org/sdr/ASAA2022091939997), Sep 19, 2022: APU. WARNING LIGHT. APU FAULT LIGHT ON START UP AFTER LANDING. GROUNDED - YES. FOUND FAULT CODE 49130100 WITH CORRELATED MTX MESSAGE. 49-41254 START CONV. SHOWS START SYSTEM INOP. 
- [SDR ASAA2022081839572](https://openairdocs.org/sdr/ASAA2022081839572), Aug 18, 2022: UNKNOWN. UNKNOWN. IN CRUISE, F/O SIDE VTK ILLUMINATED ALONG WITH A/P P/RST LIGHT AND LOST LNAV/VNAV. WENT TO CWS. SINGLE FMC MESSAGE ON SCRATCHPAD. CONDIDTIONS RESOLVED ITSLEF IN
- [SDR ASAA2022081639541](https://openairdocs.org/sdr/ASAA2022081639541), Aug 16, 2022: PRESSURE VALVE. FAULTED. ON CLIMB OUT FROM SPOKANE, THE RIGHT BLEED AIR DUCT INDICATED 64 PSI. THE LEFT INDICATED 45 PSI. BOTH ENGINES PRODUCING 89.7% N1. IN CRUISE FLIGHT BOTH BLEED AI
- [SDR ASAA2022081339487](https://openairdocs.org/sdr/ASAA2022081339487), Aug 13, 2022: AUTOPILOT SYS. INTERMITTENT. FLIGHT LEVEL 340, APROX 3:50 INTO FLIGHT, AP"A" DISENGAGED. CWR BELOW FMA RED A/P P/RST AND FMC P/RST YELLOW WERE FLICKERING ON & OFF AP WOULD NOT RE-ENGAGE CYC
- [SDR ASAA2022080839432](https://openairdocs.org/sdr/ASAA2022080839432), Aug 8, 2022: UNKNOWN. UNKNOWN. INFO ONLY, ON JJSON2 ARRIVAL AT ABOUT 11,OOO' DUAL FMC FAILURE, VTK ON CA SIDE SELF CORRECTED IN ABOUT 30 SECONDS. NO OTHER ANOMALIES ON APPROACH. GROUNDED - YE
- [SDR ASAA2022072139154](https://openairdocs.org/sdr/ASAA2022072139154), Jul 21, 2022: MODULATING VALVE. FAULTY. OVERHEAD MAINT LIGHT ILLUMINATED ON LANDING ROLLOUT. GROUNDED - YES. STATUS MESSAGE PRESENT "BLEED FAMV R" FAULT CODE 361 12542 MAINT MESSAGE 36-12021 LATCHED. 
- [SDR ASAA2022061838751](https://openairdocs.org/sdr/ASAA2022061838751), Jun 18, 2022: ACTUATOR. FAULTY. MACH TRIM FAIL UPON RECALL DURING AFTER START CHECK. GROUNDED - YES. PERFORMED B737-9 IFIM 22-11-00-810-074, FOUND FAULT CODE 22-11191, 22-11276 AND 22-11202. F
- [SDR ASAA2022052038409](https://openairdocs.org/sdr/ASAA2022052038409), May 20, 2022: FMC. INTERMITTENT. DURING CRUISE, L FMC FAILURE LASTING FOR 30 SECONDS. GROUNDED - YES. NO ACTIVE FAULTS LOGGED ON OMF. ACCOMPLISHED FMC OPERATIONAL TEST REF. B737-9 AMM 34-61-00.
- [SDR ASAA2022050538220](https://openairdocs.org/sdr/ASAA2022050538220), May 5, 2022: ANTI-ICE VALVE. FAULTY. HAD ANTI-ICE MASTER CAUTION ON TAKE OFF ROLL N1 91.4, 28K ENGINE ANTI-ICE ON. GROUNDED - YES. PERFORMED ENGINE HIGH POWER RUN TAXI PER B737-9 AMM 71-00-00 DURIN
- [SDR ASAA2022042938171](https://openairdocs.org/sdr/ASAA2022042938171), Apr 29, 2022: WARNING LIGHT. FALSE INDICATION. PROBE HEAT TEMP PROBE LIGHT ILLUMINATED AFTER LANDING. GROUNDED - YES. PERFORMED PITOT PROBE, AOA SENSOR, AND TAT PROBE HEATER SYSTEM TEST REF B737-9 AMM 30-31-
- [SDR ASAA2022042738149](https://openairdocs.org/sdr/ASAA2022042738149), Apr 27, 2022: UNKNOWN. UNKNOWN. IN CRUISE THE LNAV/VNAV DISENGAGED AND BOTH CDU'S WENT TO MENU MODE WITH THE FMS MISSING ON THE MENU. CAPTAIN DISPLAY BRIEFLY SHOWED A MAP FLAG WE SELECTED A/P 
- [SDR ASAA2022042738148](https://openairdocs.org/sdr/ASAA2022042738148), Apr 27, 2022: UNKNOWN. UNKNOWN. THE ATC LOGON/STATUS MENU SHOWS DATA LINK FAIL AND WE WERE UNABLE TO RE-LOGON TO CPDLC. GROUNDED - YES. REBOOTED ACARS CMU REBOOTED #1 FMC COMPUTER DUE TPO LOCK
- [SDR ASAA2022030537639](https://openairdocs.org/sdr/ASAA2022030537639), Mar 5, 2022: ANTI-ICE VALVE. FAULTY. ENGINE #2 AMBER COWL-ANTI-ICE CAUTION LIGHT ILLUMINATED DURING CLIMB WITH THE ENG ANTI-ICE SWITCHES ON. GROUNDED - YES. REMOVED #2 ENG ANTI-ICE VALVE REF B737-9
- [SDR ASAA2022022637582](https://openairdocs.org/sdr/ASAA2022022637582), Feb 26, 2022: SENSOR. FAULTY. APU AUTO SHUTDOWN AND DISPLAYED "FAULT" LIGHT AFTER TAXI IN. GROUNDED - YES. REMOVED AND REPLACED INLET TEMP SENSOR REF B737-9 AMM 49-61-31. RAN APU, OPS CHECK 
- [SDR ASAA2022022437577](https://openairdocs.org/sdr/ASAA2022022437577), Feb 24, 2022: UNKNOWN. UNKNOWN. APU FAULT ILLUMINATED A FEW MINUTES AFTER NORMAL START AND APU SHUTDOWN. GROUNDED - YES. INTERROGATED FAULT HISTORY FOUND INLET OVERHEAT SHUTDOWN, SENSOR FAILUR

## 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/N928AK/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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