# N936AK: 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: 43379
- Year built: 2022
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: June 3, 2022
- Certificate issued: June 15, 2022
- Expires: June 30, 2029
- Mode S code: ACFBFD
- Registered owner: [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Corporation
- Owner's area on the map: 40.7558° N, 111.8843° W: Placed by OpenAirDocs at the center of ZIP code 84111, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=936AK
- Page: https://openairdocs.org/aircraft/N936AK

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 N936AK.

## FAA accident and incident reports

None matched to N936AK.

## Service difficulty reports (41)

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 ASAA2025072259648](https://openairdocs.org/sdr/ASAA2025072259648), Jul 22, 2025: COVER. MISSING. FA REPORTS 16DEF ROW IS MISSING EXIT ROW SMALL PLASTIC COVER. GROUNDED - YES. REPLACED RT FWD EMERGENCY EXIT LIGHT COVER. OPS CK NRML. REF 33-51-01-960-801.
- [SDR ASAA2025060758526](https://openairdocs.org/sdr/ASAA2025060758526), Jun 7, 2025: PLACARD. MISSING. FA REPORTS SEAT 17A NO-SMOKING PLACARD IS MISSING. GROUNDED - YES. FOUND TO BE 17A EMERGENCY EXIT SIGN ABOVE THE CABIN FLOOR. REPLACED EMERGENCY EXIT COVER AS R
- [SDR ASAA2025052358224](https://openairdocs.org/sdr/ASAA2025052358224), May 23, 2025: LENS. DETACHED. FLOORBOARD EMERGENCY EXIT LIGHT COVER FELL OFF AT ROW 16 D-F. GROUNDED - YES. REMOVED AND REPLACED EXIT FLOOR LIGHTING LENS AT 16 DEF REF AMM 33-51-01-960-801.
- [SDR ASAA2025051366261](https://openairdocs.org/sdr/ASAA2025051366261), May 13, 2025: SKIN PANEL. DENTED. FOUND DENT AT APPROX STA 787 + 10.0" NEAR STR 23 APPROX 52" FWD OF LAV SVC DOOR CUTOUT. GROUNDED - YES. REINFORCING MAJOR REPAIR, CATEGORY "B", HAS BEEN ACCOMPL
- [SDR ASAA2025010855167](https://openairdocs.org/sdr/ASAA2025010855167), Jan 8, 2025: LIGHT. MALFUNCTIONED. CABIN WRITE UP- FWD GALLEY EMER LIGHT STRIP INTERMITTENT. GROUNDED - YES. REF AMM 33-51-00 AND 33-51-01. FA NOTES STATE LIGHT INTERMITTENTLY FLICKERED DURING FL
- [SDR ASAA2023123047069](https://openairdocs.org/sdr/ASAA2023123047069), Dec 30, 2023: BULB. INOPERATIVE. PER TABLE CARD 33-010-00 EMERGENCY LIGHTS FOUND L2 SLIDE LIGHT INOP. GROUNDED - YES. RE-LAMPED L2 EMERGENCY SLIDE LIGHT OPS TEST GOOD REF AMM 33-51-04-960-801.
- [SDR ASAA2023102145774](https://openairdocs.org/sdr/ASAA2023102145774), Oct 21, 2023: UNKNOWN. UNKNOWN. WHEN ACTIVATING WING HEAT THE "L VALVE" AMBER LIGHT ILLUMINATED. GROUNDED - YES. ACCOMP WING THERMAL ANTI-ICE VALVE OPS CHECK ON BOTH 3 TIMES ALL PASS REF B737-
- [SDR ASAA2023101345625](https://openairdocs.org/sdr/ASAA2023101345625), Oct 13, 2023: UNKNOWN. UNKNOWN. WHILE PERFORMING TASKCARD 31-005-00 FOUND FAULT CODE PACK CONTROL CHANNEL R. GROUNDED - YES. FOUND MAINTENANCE MESSAGE 21-55341. TROUBLESHOT PER IFIM 21-51-00-8
- [SDR ASAA2023092545307](https://openairdocs.org/sdr/ASAA2023092545307), Sep 25, 2023: UNKNOWN. UNKNOWN. SPEED TRIM FAIL LIGHT ON MASTER CAUTION RECALL. GROUNDED - YES. PERFORMED B737-9 AMM TASK 22-11-00-740-815 OPS CK GOOD NOT DEFECTS NOTED A/C OK FOR SVC.
- [SDR ASAA2023092445241](https://openairdocs.org/sdr/ASAA2023092445241), Sep 24, 2023: IGNITER. DAMAGED. STARTING ENG 2, NO IGN ON "IGN L". GROUNDED - YES. (RESOLVED ON W/O: 1967156 TASKCARD: N/R-00001 ) FOUND FAULT CODE 74-42493 IN HISTORY WITH NO CORRELATED FAULT
- [SDR ASAA2023092045232](https://openairdocs.org/sdr/ASAA2023092045232), Sep 20, 2023: UNKNOWN. UNKNOWN. WHILE STARTING #2, NO LIGHT OFF AFTER 3 ATTEMPTS IGN L. GROUNDED - YES. (RESOLVED ON W/O: 1970426 TASKCARD: N/R-00001 ) FOUND FAULT CODE 74-42493 IN HISTORY WIT
- [SDR ASAA2023091345108](https://openairdocs.org/sdr/ASAA2023091345108), Sep 13, 2023: STATIC INVERTER. FAULTY. WHILE ACCOMPLISHING TC 24-100-00, STANDBY POWER WOULD NOT TURN OFF IN THE OFF POSITION. "STANDBY POWER OFF" LIGHT WILL NOT ILLUMINATE AND DOES NOT DROP OFF. GRO
- [SDR ASAA2023091245115](https://openairdocs.org/sdr/ASAA2023091245115), Sep 12, 2023: POWER UNIT. MALFUNCTIONED. UPON ARRIVAL IN SEA WE ATTEMPTED TO START THE APU. SHORTLY THERE AFTER THE FAULT LIGHT ILLUMINATED. WE TURNED THE APU START SWITCH OFF AND PER THE QRH WAITED FO
- [SDR ASAA2023081444595](https://openairdocs.org/sdr/ASAA2023081444595), Aug 14, 2023: UNKNOWN. UNKNOWN. FMC DISAGREE MESSAGE DIDPLAYED, IT DISAPPEARED AFTER SWITCHING FROM GPU TO APU POWER. GROUNDED - YES. PERFORMED FMC DISAGREE FAULT ISOLATION PER IFIM 34-61-00-8
- [SDR ASAA2023072244151](https://openairdocs.org/sdr/ASAA2023072244151), Jul 22, 2023: UNKNOWN. UNKNOWN. FOUND LATCH FAULT PACK CONTROL CHANNEL R. GROUNDED - YES. FOUND FAULT CODE 21-55341 PERFORMED IFIM TASK 21-51-00 SEC B INITIAL EVALUATION TO STEP 3. THIS CLEARE
- [SDR ASAA2023071444044](https://openairdocs.org/sdr/ASAA2023071444044), Jul 14, 2023: UNKNOWN. UNKNOWN. EXPERIENCED DUAL FMC FAILURE @ FL340 1 MIN THEN WENT BACK TO NORMAL. GROUNDED - YES. PERFORMED FMC RESET PER B737-9 IFIM 34-61-00 OPS CHECK NORMAL.
- [SDR ASAA2023070343863](https://openairdocs.org/sdr/ASAA2023070343863), Jul 3, 2023: UNKNOWN. UNKNOWN. MCP PANEL IS BLANK. GROUNDED - YES. RE-POWERED A/C OPS TEST MODE CNTRL PANEL OPS NORMAL REF B737-9 IFIM 22-10-00, GRND VERIFICATION SUCCESSFUL.
- [SDR ASAA2023051843295](https://openairdocs.org/sdr/ASAA2023051843295), May 18, 2023: UNKNOWN. UNKNOWN. FO'S MFD NOT DISPLAYING ROUT UNTIL CYCLING FMC SWITH TO BOTH ON L. GROUNDED - YES. ACCOMPLISHED B737-9 IFIM 34-61-00 L & R FMC OPS CHECK NORMAL.
- [SDR ASAA2023050643151](https://openairdocs.org/sdr/ASAA2023050643151), May 6, 2023: UNKNOWN. UNKNOWN. 'MAINT' LT ON. STATUS SHOWS- 'BLEED FAMV R'. GROUNDED - YES. 'BLEED FAMV R' MAINT. MSG 36-12021, PERFORMED B737-9 IFIM TASK 36-12-00-810-802 PNEUMATIC ENGINE ON
- [SDR ASAA2023050643149](https://openairdocs.org/sdr/ASAA2023050643149), May 6, 2023: UNKNOWN. UNKNOWN. AFTER LANDING, UPON EXITING RWY, "MAINT" LIGHT ILLUMINATED. GROUNDED - YES. INTERROGATED FAULTS, FOUND THE BLEED FAMV R AND MAINTENANCE MESSAGE 36-12-021 PER B7
- [SDR ASAA2023041942931](https://openairdocs.org/sdr/ASAA2023041942931), Apr 19, 2023: UNKNOWN. UNKNOWN. OVERHEAD MAINT LIGHT ILLUMINATED. GROUNDED - YES. FOUND MX MSG 36-11011 ON #2 ENG HPSOV TORQUE MOTOR SIGNAL IS OUT OF RANGE, PERFORMED SYSTEM TEST ON IASC RIGHT
- [SDR ASAA2023041842922](https://openairdocs.org/sdr/ASAA2023041842922), Apr 18, 2023: VALVE. FAILED. UPON PERFORMING ASA T/C 72-ASA-03. FOUND DEFECTIVE HELICOIL ON LOCK-OUT OF #2 ENG HPSOV. GROUNDED - YES. PERFORMED ALT-LOCKOUT PROCEDURE IAW B737-9 CHPT 5, 05-0
- [SDR ASAA2023041142824](https://openairdocs.org/sdr/ASAA2023041142824), Apr 11, 2023: PROBE. FAILED. WHILE IN FLIGHT TEMP PROBE ANNUNCIATOR LIGHT AND MASTER CAUTION ILLUMINATED. COMPLETED PROBE HEAT QRH PROCEDURE. GROUNDED - YES. REMOVED AND REPLACED TOTAL AIR 
- [SDR ASAA2023032542605](https://openairdocs.org/sdr/ASAA2023032542605), Mar 25, 2023: EXCITER. FAILED. #2 ENGINE NEGATIVE IGNITION ON TWO STARTS WITH LEFT IGNITER SELECTED. GROUNDED - YES. LEFT IGNITOR PLUG REPLACED REF B737-9 AMM 74-21-02. LEFT IGNITION EXCITER 
- [SDR ASAA2023032442553](https://openairdocs.org/sdr/ASAA2023032442553), Mar 24, 2023: SENSOR. FAULTY. WHILE ACCOMPLISHING T/C 31-005-00 SMTPACK CONTROL CHANNEL L: MX MSG 21-55130 LEFT AIR CONDITIONING PACK INLET PRESSURE SENSOR IS OUT OF RANGE "MAINT" LIGHT ILLU
- [SDR ASAA2023030742233](https://openairdocs.org/sdr/ASAA2023030742233), Mar 7, 2023: ELECTRONIC UNIT. FAILED. FOLLOWUP TO HISTORY OF APU SHUTDOWN WITH ECU FAILURE MESSAGE. GROUNDED - YES. REMOVED AND REPLACED APU ELEC. CONTROL UNIT REF B737-9 AMM 49-61-12-000-801 AND 49
- [SDR ASAA2023030542255](https://openairdocs.org/sdr/ASAA2023030542255), Mar 5, 2023: UNKNOWN. UNKNOWN. DURING APU START AT GATE, AUTO-SHUTDOWN AND APU FAULT LIGHT ILLUMINATED. EXTINGUISHED AFTER 4 MINUTES. GROUNDED - YES. ATTEMPTED 2ND START- START SUCCESSFUL-PER
- [SDR ASAA2023020741911](https://openairdocs.org/sdr/ASAA2023020741911), Feb 7, 2023: SENSOR. FAILED. DURING ASA TSR713760 FOUND ENG 1 FAULT 73-44632 FAN SPEED N1 SENSOR LOW TOOTH SIGNAL IS INVALID DETECTED BY ENG 1 EEC CH. B UNDER PRESENT LEG FAULTS/ FAULT HIST
- [SDR ASAA2023010141361](https://openairdocs.org/sdr/ASAA2023010141361), Jan 1, 2023: HEATER. INOPERATIVE. AFTER LANDING AUX PITOT PROBE LIGHT ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED AUXILIARY PITOT PROBE PER B737-9 AMM 34-11-01. LEAK TEST PER AMM 34-11-08-
- [SDR ASAA2022121441132](https://openairdocs.org/sdr/ASAA2022121441132), Dec 14, 2022: DRAIN MAST. LEAKING. OIL LEAKING FROM BOTH ENGINES. GROUNDED - YES. VERIFIED OIL CAPS SECURED. PERFORMED ENGINE VENTS AND DRAIN INSPECTION PER B737-9 AMM 71-71-00-200-801-G00. FOUND
- [SDR ASAA2022120140999](https://openairdocs.org/sdr/ASAA2022120140999), Dec 1, 2022: PRESSURE SENSOR. OUT OF TOLERANCE. WHILE ACCOMPLISHING ASA T/C 31-005-00. FOUND SMT PACK CONTROL CHANNEL L MAINT MESSAGE 21-55230 FAULT CODE 21545141. LEFT AIR CONDITIONING INLET PRESSURE SENSOR 
- [SDR ASAA2022111740819](https://openairdocs.org/sdr/ASAA2022111740819), Nov 17, 2022: LAMP. INOPERATIVE. R2 EXT EMERGENCY LIGHT INOP. GROUNDED - YES. REMOVED AND REPLACED R2 EXT EMERGENCY LIGHT, REF AMM 33-51-04. OPS CHECKS GOOD.
- [SDR ASAA2022110740683](https://openairdocs.org/sdr/ASAA2022110740683), Nov 7, 2022: CIRCUIT BREAKER. FAULTED. AC TRANSER BUS 1 AND 2 WILL NOT POWER ON. (IE NO HYDRAULICS (ELECTRIC) 1 AND 2 NORMAL EQUIP COOLING INOP) OTHER INDICATIONS AS WELL. GROUNDED - YES. FOUND C/B'S
- [SDR ASAA2022100740202](https://openairdocs.org/sdr/ASAA2022100740202), Oct 7, 2022: PITOT TUBE. FAULTY. AFTER LANDING EXITING THE RUNWAY - MASTER CAUTION AND F/O PITOT LIGHT ON. GROUNDED - YES. REPLACED F/O'S PITOT PROBE, ALL OPS NML. ALL TEST PASS. REF B737-9 AMM
- [SDR ASAA2022100440201](https://openairdocs.org/sdr/ASAA2022100440201), Oct 4, 2022: PITOT TUBE. FAULTY. "L ELEV PITOT" CAUTION LIGHT ILLUMINATED AFTER START UP. GROUNDED - YES. REMOVED AND REPLACED L ELEVATOR PITOT PROBE B737-9 AMM 27-31-94 (ASA L/P 60403052), L E
- [SDR ASAA2022092240024](https://openairdocs.org/sdr/ASAA2022092240024), Sep 22, 2022: FMC. DISCHARGED. DURING PRE FLIGHT FMC DISCHARGE ON BOTH ND. GROUNDED - YES. OPERATION TEST ACCOMPLISHED PER B737-9 AMM 22-96-00-710-001-AOPS TEST GOOD. ASA QRH-FMC OPS GOOD.
- [SDR ASAA2022090439783](https://openairdocs.org/sdr/ASAA2022090439783), Sep 4, 2022: UNKNOWN. UNKNOWN. L ELEV PITOT LIGHT ILLUMINATED DURING CRUISE. GROUNDED - YES. INSPECTED AND FOUND CB OPEN C4 P18-3. PERFORMED CB WIRING INSPECTION REF B737-9 AMM 20-60-01. NO F
- [SDR ASAA2022082739710](https://openairdocs.org/sdr/ASAA2022082739710), Aug 27, 2022: UNKNOWN. FAULTY. ENG #2 DRIVE LIGHT NOT ILLUMINATED AT GATE WITH ENG NOT RUNNING. DOES PRESS-TO-TEST. GROUNDED - YES. REMOVED AND REPLACED #2 IDG REF B737-9 AMM 24-11-11. OPS CH
- [SDR ASAA2022081739536](https://openairdocs.org/sdr/ASAA2022081739536), Aug 17, 2022: SIGN. DETACHED. EXIT SIGN CAME OFF WING EMERG. EXIT DOOR 16DEF ROW. GROUNDED - YES. RESCURED EMERG EXIT SIGN AT ROW 16DEF PER B737-9 AMM 33-51-04.
- [SDR ASAA2022072239176](https://openairdocs.org/sdr/ASAA2022072239176), Jul 22, 2022: OVERHEAT. WARNING LIGHT. AFTER LANDING L2 WINDOW OVERHEAT LIGHT ILLUMINATED. GROUNDED - YES. RESET SYSTEM, TESTED PER B737-9 AMM 30-41-00-710-801, ETOPS GROUND FUNCTIONAL CHECK GOOD PER
- [SDR ASAA2022061538674](https://openairdocs.org/sdr/ASAA2022061538674), Jun 15, 2022: SENSOR. OUT OF LIMITS. #1 ENG ANTI ICE AMBER LIGHT ILLUMIATED. GROUNDED - YES. FOUND MAINTENCE MESSAGE 36-21010. #1 ENG INTERMEDIATE DUCT PRESSURE SENSOR SIGNAL IS OUT OF RANGE. REMOV

## 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/N936AK/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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