# N431AS: 2013 Boeing 737-990ER

- Status: Valid registration
- Airframe: [Boeing 737-990ER](https://openairdocs.org/model/boeing-737-990er) (registry code 13848CE, 222 seats)
- Engine: [CFM International CFM56-7B27E series](https://openairdocs.org/engine/cfm-international-cfm56-7b27e-series) (registry code 13078)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 43255
- Year built: 2013
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: October 8, 2013
- Certificate issued: October 18, 2013
- Expires: October 31, 2029
- Mode S code: A526E6
- 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=431AS
- Page: https://openairdocs.org/aircraft/N431AS

From the FAA registry file of October 22, 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 CFM56-7B27E model are included.

## ADs that may apply (OpenAirDocs): 109 in force

### Matched by airframe (Boeing 737-990ER)

- [AD 2026-20-14](https://openairdocs.org/ad/2026-20-14): Stabilizers · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Nov 23, 2026
- [AD 2026-20-13](https://openairdocs.org/ad/2026-20-13): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Nov 23, 2026
- [AD 2026-13-13](https://openairdocs.org/ad/2026-13-13): Navigation · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. 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 2025-24-02](https://openairdocs.org/ad/2025-24-02): Landing gear · Boeing 737-700 Series, 737-800 Series, 737-900 Series and 1 more. Effective Dec 10, 2025
- [AD 2025-19-12](https://openairdocs.org/ad/2025-19-12): Landing Gear · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Nov 6, 2025
- [AD 2025-15-01](https://openairdocs.org/ad/2025-15-01): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Aug 25, 2025
- [AD 2025-07-03](https://openairdocs.org/ad/2025-07-03): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective May 13, 2025
- [AD 2025-04-03](https://openairdocs.org/ad/2025-04-03): Exhaust · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 8, 2025
- [AD 2025-04-02](https://openairdocs.org/ad/2025-04-02): Powerplant · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 8, 2025
- [AD 2025-04-01](https://openairdocs.org/ad/2025-04-01): Powerplant · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 8, 2025
- [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 2024-16-10](https://openairdocs.org/ad/2024-16-10): Instruments · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 28, 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 2024-06-01](https://openairdocs.org/ad/2024-06-01): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective May 22, 2024
- [AD 2023-13-05](https://openairdocs.org/ad/2023-13-05): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 27, 2023
- [AD 2023-13-12](https://openairdocs.org/ad/2023-13-12): Oxygen · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 17 more. Effective Sep 5, 2023
- [AD 2023-12-13](https://openairdocs.org/ad/2023-12-13): Navigation · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Jun 21, 2023
- [AD 2023-06-15](https://openairdocs.org/ad/2023-06-15): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-800 Series and 2 more. Effective May 30, 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 2023-04-17](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 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 2022-15-08](https://openairdocs.org/ad/2022-15-08): Information systems · Airbus A318-111, A318-112, A319-111 and 49 more. Effective Aug 12, 2022
- [AD 2022-11-13](https://openairdocs.org/ad/2022-11-13): Fuselage · Boeing 737-700 Series, 737-800 Series and 737-900ER Series. Effective Aug 3, 2022
- [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 2021-26-17](https://openairdocs.org/ad/2021-26-17): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Feb 15, 2022
- [AD 2021-18-17](https://openairdocs.org/ad/2021-18-17): Auto flight · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Dec 20, 2021
- [AD 2021-17-08](https://openairdocs.org/ad/2021-17-08): Fuselage · Boeing 737-800 Series and 737-900ER Series with STC ST04096CH. Effective Aug 17, 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 2021-11-24](https://openairdocs.org/ad/2021-11-24): Fuel · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Jul 20, 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 2021-07-17](https://openairdocs.org/ad/2021-07-17): Electrical power · Boeing 737-900ER Series. Effective May 25, 2021
- [AD 2021-02-14](https://openairdocs.org/ad/2021-02-14): Fuel · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Mar 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 2020-21-02](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 2020-18-13](https://openairdocs.org/ad/2020-18-13): Fuel · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 29, 2020
- [AD 2020-16-51](https://openairdocs.org/ad/2020-16-51): Pneumatic · Boeing 737-300 Series, 737-400 Series, 737-500 Series and 6 more. Effective Aug 26, 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 2020-01-11](https://openairdocs.org/ad/2020-01-11): Air conditioning · Boeing 737-800 Series, 737-900 Series and 737-900ER Series. Effective Feb 21, 2020
- [AD 2019-19-10](https://openairdocs.org/ad/2019-19-10): Fuel · Boeing 737-300 Series, 737-400 Series, 737-500 Series and 21 more. Effective Jan 16, 2020
- [AD 2019-24-15](https://openairdocs.org/ad/2019-24-15): Equipment/ furnishings · Boeing 737-900ER Series. Effective Jan 14, 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 2019-14-02](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 2019-11-06](https://openairdocs.org/ad/2019-11-06): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Jul 17, 2019
- [AD 2019-11-03](https://openairdocs.org/ad/2019-11-03): Flight Controls · Boeing 737-700C Series, 737-800 Series and 737-900ER Series. Effective Jun 10, 2019
- [AD 2019-03-07](https://openairdocs.org/ad/2019-03-07): Wings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Mar 29, 2019
- [AD 2019-01-03](https://openairdocs.org/ad/2019-01-03): Landing Gear · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Mar 19, 2019
- [AD 2018-26-06](https://openairdocs.org/ad/2018-26-06): Doors · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Feb 1, 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

### Matched by engine (CFM International CFM56-7B27E series)

- [AD 2023-05-05](https://openairdocs.org/ad/2023-05-05): Turbine Engine Compressor Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 98 more. Effective May 10, 2023
- [AD 2018-26-01](https://openairdocs.org/ad/2018-26-01): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jan 10, 2019
- [AD 2018-09-51](https://openairdocs.org/ad/2018-09-51): Engine · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jun 7, 2018
- [AD 2015-18-04](https://openairdocs.org/ad/2015-18-04): 73-tooth gearshaft located in the engine accessory gearbox (AGB) · CFM International CFM56-3, CFM56-7B20, CFM56-7B20/2 and 47 more. Effective Oct 20, 2015
- [AD 2015-04-02](https://openairdocs.org/ad/2015-04-02): Dual engine thrust instability event · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Mar 31, 2015
- [AD 2009-11-02](https://openairdocs.org/ad/2009-11-02): HPC 4-9 spools · CFM International CFM56-2, CFM56-2A, CFM56-2B and 109 more. Effective Jun 23, 2009

### Historical (superseded or no longer in force)

- [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 2022-05-04](https://openairdocs.org/ad/2022-05-04) (historical): Navigation · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Feb 24, 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 2021-09-06](https://openairdocs.org/ad/2021-09-06) (historical): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Jun 8, 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 2019-25-17](https://openairdocs.org/ad/2019-25-17) (historical): Indicating/ recording system · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Dec 27, 2019
- [AD 2019-20-03](https://openairdocs.org/ad/2019-20-03) (historical): Information systems · Airbus A340-312, A340-313, A318-111 and 48 more. Effective Nov 19, 2019
- [AD 2019-22-10](https://openairdocs.org/ad/2019-22-10) (historical): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Nov 13, 2019
- [AD 2019-20-02](https://openairdocs.org/ad/2019-20-02) (historical): Fuselage · Boeing Airplane Company, Wichita Division 75 (Army PT-13), 737-600 Series, 737-700 Series and 4 more. Effective Oct 3, 2019
- [AD 2019-03-26](https://openairdocs.org/ad/2019-03-26) (historical): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 8, 2019
- [AD 2017-16-05](https://openairdocs.org/ad/2017-16-05) (historical): Wings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Sep 22, 2017
- [AD 2017-14-13](https://openairdocs.org/ad/2017-14-13) (historical): Equipment and Furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Aug 23, 2017
- [AD 2017-12-07](https://openairdocs.org/ad/2017-12-07) (historical): Air conditioning · Boeing 737-800 Series, 737-900 Series and 737-900ER Series. Effective Jul 20, 2017
- [AD 2016-18-01](https://openairdocs.org/ad/2016-18-01) (historical): Landing Gear · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 5, 2016
- [AD 2016-13-16](https://openairdocs.org/ad/2016-13-16) (historical): Stabilizers · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Aug 12, 2016
- [AD 2015-19-03](https://openairdocs.org/ad/2015-19-03) (historical): Fuel Selector/Shutoff Valve · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 21, 2015
- [AD 2015-16-01](https://openairdocs.org/ad/2015-16-01) (historical): Air Conditioning · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Sep 15, 2015
- [AD 2013-26-08](https://openairdocs.org/ad/2013-26-08) (historical): Ice and Rain Protection · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Feb 10, 2014
- [AD 2013-18-09](https://openairdocs.org/ad/2013-18-09) (historical): Communications · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 137 more. Effective Oct 3, 2013
- [AD 2013-07-09](https://openairdocs.org/ad/2013-07-09) (historical): Oxygen · Boeing 737-700 Series, 737-700C Series, 737-800 Series and 4 more. Effective May 20, 2013
- [AD 2013-07-07](https://openairdocs.org/ad/2013-07-07) (historical): Stabilizers · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective May 20, 2013
- [AD 2012-19-11](https://openairdocs.org/ad/2012-19-11) (historical): Air Conditioning · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Nov 7, 2012
- [AD 2010-17-19](https://openairdocs.org/ad/2010-17-19) (historical): Flight controls · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Sep 9, 2010
- [AD 2010-09-05](https://openairdocs.org/ad/2010-09-05) (historical): Flight controls · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 29, 2010
- [AD 2010-06-51](https://openairdocs.org/ad/2010-06-51) (historical): Flight controls · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 7, 2010
- [AD 2009-21-10](https://openairdocs.org/ad/2009-21-10) (historical): Oxygen · Airbus A300, Model B4-605R, A300, Model B4-620, A300, Model B4-622 and 138 more. Effective Dec 17, 2009
- [AD 2007-18-52](https://openairdocs.org/ad/2007-18-52) (historical): Main slat track downstop assemblies · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Sep 26, 2007
- [AD 2007-18-51](https://openairdocs.org/ad/2007-18-51) (historical): Main slat track downstop assembly · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Aug 25, 2007
- [AD 2021-10-09](https://openairdocs.org/ad/2021-10-09) (historical): Turbine Engine Compressor Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 82 more. Effective Jun 24, 2021
- [AD 2018-18-01](https://openairdocs.org/ad/2018-18-01) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Oct 16, 2018
- [AD 2018-10-11](https://openairdocs.org/ad/2018-10-11) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jun 1, 2018
- [AD 2018-09-10](https://openairdocs.org/ad/2018-09-10) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective May 14, 2018
- [AD 2013-26-01](https://openairdocs.org/ad/2013-26-01) (historical): Oil dynamic seal assembly · CFM International CFM56-3, CFM56-3B, CFM56-3C and 52 more. Effective Feb 3, 2014

All 142: https://openairdocs.org/aircraft/N431AS/ads.md

## Information bulletins (advisory) (15 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 AIR-21-12](https://openairdocs.org/saib/AIR-21-12): Thrust Reversers. Issued Aug 3, 2021
- [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
- [SAIB NM-18-18](https://openairdocs.org/saib/NM-18-18): Equipment/Furnishings - First Observer's Seat Cup Holder. Issued Jul 2, 2018
- [SAIB NM-17-17](https://openairdocs.org/saib/NM-17-17): Oxygen System. Issued Jun 19, 2017
- [SAIB NM-17-10](https://openairdocs.org/saib/NM-17-10): Maintenance Practices. Issued Apr 13, 2017
- [SAIB NM-16-21](https://openairdocs.org/saib/NM-16-21): Flight Controls. Issued Aug 8, 2016
- [SAIB NM-15-03](https://openairdocs.org/saib/NM-15-03): Flight Controls. Issued Nov 24, 2014
- [SAIB NM-15-02](https://openairdocs.org/saib/NM-15-02): Cabin Equipment/Furnishings. Issued Nov 6, 2014
- [SAIB NM-12-11](https://openairdocs.org/saib/NM-12-11): Equipment/Furnishings: Buffet/Galleys. Issued Jan 10, 2012
- [SAIB NM-08-24](https://openairdocs.org/saib/NM-08-24): Water/Waste: Freezing Potable Water Lines. Issued May 22, 2008
- [SAIB NM-07-47](https://openairdocs.org/saib/NM-07-47): Boeing Model 737 Series Forward Airstairs. Issued Sep 6, 2007
- [SAIB NM-06-56](https://openairdocs.org/saib/NM-06-56): . Issued Jul 19, 2006
- [SAIB NE-08-17R3](https://openairdocs.org/saib/NE-08-17R3): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued May 28, 2014
- [SAIB NE-08-17R2](https://openairdocs.org/saib/NE-08-17R2) (historical): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued Mar 7, 2011

## NTSB investigations

None matched to N431AS.

## FAA accident and incident reports

None matched to N431AS.

## Service difficulty reports (360, newest 50)

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

- [SDR ASAA2026061866890](https://openairdocs.org/sdr/ASAA2026061866890), Jun 18, 2026: SMOKE DETECTOR. FALSE ACTIVATION. LAVATORY D SMOKE DETECTOR TRIGGERED IN FLT . NO EVIDENCE OF SMOKE OR SMELLS. WENT ON/OFF TWICE. GROUNDED - YES. DET TESTS GOOD - NO DEFECTS FOUND.
- [SDR ASAA2026012063881](https://openairdocs.org/sdr/ASAA2026012063881), Jan 20, 2026: WHEEL. FAILED. ON TAKEOFF, APPROACHING V1, LOUD BANG AND SHUDDERING EXPERIENCED. SUSPECTED TIRE FAILURE. GROUNDED - YES. (RESOLVED ON W/O: 2087248 TASKCARD: N/R-00003 ) REF L/
- [SDR ASAA2025060258411](https://openairdocs.org/sdr/ASAA2025060258411), Jun 2, 2025: SIGN. DETACHED. CLEANERS REPORT THAT WHILE CLEANING CEILING THE MID CABIN EMERGENCY EXIT SIGN FELL DOWN. GROUNDED - YES. FOUND 2 OF THE 4 ATTACHING SCREWS MISSING & THE EXISTIN
- [SDR ASAA2025050957886](https://openairdocs.org/sdr/ASAA2025050957886), May 9, 2025: LENS. MISSING. EXIT PLACARD MISSING AT SEAT 16D. GROUNDED - YES. REPLACED MISSING EXIT LENS LIGHT COVER AT ROW 16D. REF IAPC 33-51-01-06F.
- [SDR ASAA2025031757371](https://openairdocs.org/sdr/ASAA2025031757371), Mar 17, 2025: FLOORBEAM. CORRODED. FLOOR BEAM STA.947.5 RBL.48 AND RBL.52 HAVE AREAS OF CORROSION. (MARKED IN RED). GROUNDED - YES. EVALUATED CORROSION-CORROSION IS OUT OF LIMITS DUE TO PROXIMITY
- [SDR ASAA2025031757368](https://openairdocs.org/sdr/ASAA2025031757368), Mar 17, 2025: FLOOR SUPPORT. CORRODED. INTERCOSTAL BETWEEN STA.294.5 AND STA.312 LBL.12 HAS AREA OF CORROSION. (MARKED IN RED). GROUNDED - YES. REMOVED AND REPLACED INTERCOSTAL P/N 141A5690U1 PO# 111
- [SDR ASAA2025031757367](https://openairdocs.org/sdr/ASAA2025031757367), Mar 17, 2025: FLOOR SUPPORT. CORRODED. INTERCOSTAL AT STA 947.5 FLOOR BEAM LBL 51 HAS AREA OF CORROSION. GROUNDED - YES. REMOVED INTERCOSTAL IAW B737-900ER SRM 51-40-02. CHECKED LIMITS AND FOUND OUT 
- [SDR ASAA2025031757366](https://openairdocs.org/sdr/ASAA2025031757366), Mar 17, 2025: FLOORBEAM. CORRODED. FLOOR BEAM @ STA 947.5 LBL 54 HAS AREA OF CORROSION. GROUNDED - YES. EVALUATED CORROSION-CORROSION IS OUT OF LIMITS DUE TO PROXIMITY TO A HARD POINT IAW B737-90
- [SDR ASAA2025031757004](https://openairdocs.org/sdr/ASAA2025031757004), Mar 17, 2025: FLOOR PANEL. PEELING. CABIN FLOOR PANEL 141A5810-142 HAS PEELING FIBER. GROUNDED - YES. ACCOMPLISHED PERMANENT REPAIR TO CABIN FLOOR PANEL 141A5810-142. IAW B737-900 ER SRM 53-00-50-
- [SDR ASAA2025031756920](https://openairdocs.org/sdr/ASAA2025031756920), Mar 17, 2025: FLOOR PANEL. DELAMINATED. CABIN FLOOR PANEL 143A5810-594 HAS BROKEN INSERT & PEELING FIBER ON BOTTOM. GROUNDED - YES. REPAIRED FLOOR PANEL 143A5810-594 IAW B737-900ER SRM 53-00-50-1A-1, 
- [SDR ASAA2025031457111](https://openairdocs.org/sdr/ASAA2025031457111), Mar 14, 2025: FLOOR PANEL. DELAMINATED. CABIN AFT WET AREA FLOOR PANEL 147A5810-439 HAS PEELING FIBERS & CORRODED INSERTS. GROUNDED - YES. REPAIRED 147A5810-489 FLOORBOARD OF PEELING FIBERS & CORRODED
- [SDR ASAA2025031457110](https://openairdocs.org/sdr/ASAA2025031457110), Mar 14, 2025: FLOOR PANEL. DELAMINATED. CABIN FWD WET AREA FLOOR PANEL 141A5810-763 HAS TAB BROKEN, EDGE DAMAGE & CORRODED INSERTS. GROUNDED - YES. REPAIRED CABIN FWD WET AREA FLOOR PANEL 141A5810-763
- [SDR ASAA2025031457056](https://openairdocs.org/sdr/ASAA2025031457056), Mar 14, 2025: FLOOR PANEL. BROKEN. CABIN FLOOR PANEL143A5810-516 CORNER IS BROKEN. GROUNDED - YES. ACCOMPLISHED PERMANENT REPAIR TO CABIN FLOOR PANEL 143A5810-516 IAW ASA B737 SRM 53-00-50-2R-5 &
- [SDR ASAA2025031457055](https://openairdocs.org/sdr/ASAA2025031457055), Mar 14, 2025: FLOOR PANEL. DELAMINATED. CABIN FWD WET AREA FLOOR PANEL 141A5810-155 HAS PEELING FIBERS & CORRODED INSERTS. GROUNDED - YES. REPAIRED FLOOR PANEL 141A5810-155 PEELING FIBERS AND REPLACED
- [SDR ASAA2025031457005](https://openairdocs.org/sdr/ASAA2025031457005), Mar 14, 2025: SKIN. PEELING. CABIN FWD WET AREA FLOOR PANEL 141A5810-767 HAS CORRODED INSERTS & PEELING FIBERS. GROUNDED - YES. REPAIRED CABIN FWD WET AREA FLOOR PANEL 141A5810-767 CORRODED
- [SDR ASAA2025031457003](https://openairdocs.org/sdr/ASAA2025031457003), Mar 14, 2025: FLOOR PANEL. DELAMINATED. CABIN FWD WET AREA FLOOR PANEL 141A5810-454 HAS PEELING FIBERS. GROUNDED - YES. REPAIRED FLOOR PANEL 141A5810-454 PEELING FIBERS IAW B737-900ER SRM 53-00-50-2R-
- [SDR ASAA2025031457002](https://openairdocs.org/sdr/ASAA2025031457002), Mar 14, 2025: FLOOR PANEL. DAMAGED. CABIN FWD WET AREA FLOOR PANEL 141A5810-769 HAS PEELING FIBERS & CORRODED INSERTS. GROUNDED - YES. ACCOMPLISHED PERMANENT REPAIR TO CABIN FWD WET AREA FLOOR PAN
- [SDR ASAA2025031457001](https://openairdocs.org/sdr/ASAA2025031457001), Mar 14, 2025: FLOOR PANEL. DELAMINATED. CABIN AFT WET AREA FLOOR PANEL 147A5810-440 HAS PEELING FIBERS & CORRODED INSERTS. GROUNDED - YES. REPAIRED FLOOR PANEL 147A5810-440 IAW B737-900ER SRM 53-00-50
- [SDR ASAA2025031456924](https://openairdocs.org/sdr/ASAA2025031456924), Mar 14, 2025: FLOOR PANEL. PEELING. CABIN FWD WET AREA FLOOR PANEL 141A5810-157 HAS PEELING FIBERS. GROUNDED - YES. ACCOMPLISHED PERMANENT REPAIR TO CABIN FWD WET AREA FLOOR PANEL 141A5810-157 IAW
- [SDR ASAA2025031456923](https://openairdocs.org/sdr/ASAA2025031456923), Mar 14, 2025: FLOOR PANEL. PEELING. CABIN FWD WET AREA FLOOR PANEL 141A5810-558 HAS PEELING FIBERS. GROUNDED - YES. ACCOMPLISHED PERMANENT REPAIR TO CABIN FWD WET AREA FLOOR PANEL 141A5810-558 IAW
- [SDR ASAA2025031456922](https://openairdocs.org/sdr/ASAA2025031456922), Mar 14, 2025: FLOOR PANEL. DAMAGED. CABIN FWD WET AREA FLOOR PANEL 141A5810-766 HAS CORRODED INSERTS & EDGE DAMAGE. GROUNDED - YES. REPAIRED CABIN FWD WET AREA FLOOR PANEL 141A5810-766 IAW ASA B73
- [SDR ASAA2025031456921](https://openairdocs.org/sdr/ASAA2025031456921), Mar 14, 2025: FLOOR PANEL. DELAMINATED. CABIN FWD WET AREA FLOOR PANEL 141A5802-183 HAS BROKEN TAB. GROUNDED - YES. REPAIRED FWD WET AREA FLOOR PANEL 141A5802-183 IAW B737-900 SRM 53-00-50-1A-1, SRM 5
- [SDR ASAA2024090252248](https://openairdocs.org/sdr/ASAA2024090252248), Sep 2, 2024: SIGN. DETACHED. MID-CABIN EXIT SIGN IS DANGLING FROM CABIN CEILING. GROUNDED - YES. REATTACHED AND RE-SECURED MID-CABIN CEILING EMERGENCY EXIT SIGN. NO DEFECTS NOTED. OPS CKS N
- [SDR ASAA2024032048557](https://openairdocs.org/sdr/ASAA2024032048557), Mar 20, 2024: DOOR. NONE. F/A REPORTS R-2 DOOR HARD TO OPEN. GROUNDED - YES. LUBED R-2 DOOR. OPS CHECKS NORMAL. REF AMM 52-13-00.
- [SDR ASAA2024031148375](https://openairdocs.org/sdr/ASAA2024031148375), Mar 11, 2024: BATTERY PACK. FAILED. DURING T/C 78233001 BATTERY PACK M1673 FAILED. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK M1673 REF WDM 33-51-14-3 AND AMM 33-51-06. OPS CHECK GOOD,.
- [SDR ASAA2023111046129](https://openairdocs.org/sdr/ASAA2023111046129), Nov 10, 2023: UNKNOWN. UNKNOWN. DURING ENGINE START ON #2 EGT SPIKED TO APPROX 500 C, EGT BOX STARTED BLINKING ENGINE AUTO SHUTDOWN. RAN QRC FOLLOW BY QRH. GROUNDED - YES. PERFORMED EEC BITE C
- [SDR ASAA2023110346032](https://openairdocs.org/sdr/ASAA2023110346032), Nov 3, 2023: LENS. DETACHED. FRONT GALLEY EXIT SIGN ABOVE R1 DOOR FELL OFF ( NOT ATTACHED). GROUNDED - YES. R/R EMERGENCY EXIT SIGN REF AMM 33-51-01 OPS GOOD.
- [SDR ASAA2023102645849](https://openairdocs.org/sdr/ASAA2023102645849), Oct 26, 2023: UNKNOWN. UNKNOWN. GE DIAGNOSTICS REPORTS #1 ENGINE TREND DATA SHOWS A DELTA EGT INCREASE AND EGT HOT DAY MARGIN DECREASE. EGT INDICATION ERRORS ARE SUSPECTED. GROUNDED - YES. PER
- [SDR ASAA2023102245778](https://openairdocs.org/sdr/ASAA2023102245778), Oct 22, 2023: UNKNOWN. UNKNOWN. #1 ENG START SW WILL NOT STAY ENGAGED IN GRD POSITION. WHEN HOLDING START SW MANUALLY -NO-US. GROUNDED - YES. PERFORMED OPS CHECK ON NORMAL ENGINE PROCEDURES FO
- [SDR ASAA2023101445613](https://openairdocs.org/sdr/ASAA2023101445613), Oct 14, 2023: UNKNOWN. UNKNOWN. REF TASK CARD 78273000MAINTENANCE MESSAGE 77-10841,TOP RIGHT EGT OUT OF RANGE.ECONOMIC FAULT ON ENGINE 1. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023100945524](https://openairdocs.org/sdr/ASAA2023100945524), Oct 9, 2023: UNKNOWN. UNKNOWN. RIGHT RAM DOOR FULL OPEN BLUE LIGHT ILLUMINATED ENTIRE FLIGHT. GROUNDED - YES. (RESOLVED ON W/O: 1972773 TASKCARD: N/R-00001 ) REVERSED MEL PROCEDURE FOR FRONT 
- [SDR ASAA2023100545511](https://openairdocs.org/sdr/ASAA2023100545511), Oct 5, 2023: UNKNOWN. UNKNOWN. CPDLC DATA FAIL MESSAGE SHOWING. GROUNDED - YES. ACCOMPLISHED CPDLC FUNCTIONAL TEST REF. AMM 34-61-00.OPS. CK. GOOD. DATA FAIL MSG. IS NOW GONE.
- [SDR ASAA2023090945012](https://openairdocs.org/sdr/ASAA2023090945012), Sep 9, 2023: CONTROL PANEL. FAULTY. APPROX 10 MINUTES AFTER LEVELING AT FL380, THE AUTOFAIL LIGHT ILLUMINATED. WE COMPLIED W. QRH. QHR DIRECTED US TO UTILIZE MANUAL MODE AFTER ALTN MODE DID NOT RE
- [SDR ASAA2023090544960](https://openairdocs.org/sdr/ASAA2023090544960), Sep 5, 2023: MODULATING VALVE. FAULTY. ON MASTER RECALL R PACK LIGHT ILLUMINATES. OFF WHEN RESET WITH MASTER CAUTION. GROUNDED - YES. REMOVED AND REPLACED RH TEMPERATURE CONTROL VALVE IAW AMM 21-51-1
- [SDR ASAA2023082444803](https://openairdocs.org/sdr/ASAA2023082444803), Aug 24, 2023: PACKING. WORN. #1 ENG OIL FILLER CAP O-RING WORN. GROUNDED - YES. REMOVED AND REPLACED #1 ENG OIL FILLER CAP O-RING REF AMM 79-11-01.
- [SDR ASAA2023081544609](https://openairdocs.org/sdr/ASAA2023081544609), Aug 15, 2023: UNKNOWN. UNKNOWN. ON PREFLIGHT, FOUND BREAKER OPEN: ENGINE 1 & WING ANTI ICE CONTROL LOCATION P18 - 3 GRID A6 FOUND POPPED. GROUNDED - YES. GVI CB AND ACCESS WIRING, NO DEFECTS N
- [SDR ASAA2023081144566](https://openairdocs.org/sdr/ASAA2023081144566), Aug 11, 2023: UNKNOWN. UNKNOWN. PRIOR TO TAKEOFF, FMC DISAGREE MSG ON BOTH FMCS + MAP DISPLAYS. GROUNDED - YES. AS PER CHECKLIST, RESET FMCS CMPTR 1 AND FMCS CMPTR 2 CBS. MSG NO LONGER DISPLAY
- [SDR ASAA2023080344414](https://openairdocs.org/sdr/ASAA2023080344414), Aug 3, 2023: UNKNOWN. UNKNOWN. RIGHT PACK ILLUMINATES ON RECALL, GOES OUT WITH M/C RESET. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023072944288](https://openairdocs.org/sdr/ASAA2023072944288), Jul 29, 2023: UNKNOWN. UNKNOWN. AFTER ENGINE START, RIGHT PACK LIGHT ILLUMINATED DURING RECALL WOULD NOT RESET WITH MASTER CAUTION RESET. GROUNDED - YES. (RESOLVED ON W/O: 1953891 TASKCARD: N/
- [SDR ASAA2023072744269](https://openairdocs.org/sdr/ASAA2023072744269), Jul 27, 2023: MAGNETIC PLUG. MALFUNCTIONED. #2 ENG STARTED MAG PLUG WILL NOT REMOVE REF TC N2480001. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE AIR STARTER MAG PLUG AND HOUSING REF AMM 80-11-01 TC N24
- [SDR ASAA2023071043970](https://openairdocs.org/sdr/ASAA2023071043970), Jul 10, 2023: BATTERY PACK. INOPERATIVE. STA 727C+13 WL 212 LBL 68 EMERGENCY LIGHT BATTERY PACK INOP. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK REF AMM TASK 33-51-06-960-805, OPS CHECK GOOD. OK
- [SDR ASAA2023070443896](https://openairdocs.org/sdr/ASAA2023070443896), Jul 4, 2023: REGULATOR. FAULTY. AT IDLE WITH BOTH ENGINES RUNNING, ON ENGINE BLEED AIR. LEFT DUCT PRESSURE READS ONLY 9 PSI. GROUNDED - YES. CONFIRMED PRESSURE READING, WITH PHOTO OF GAUGE AT 
- [SDR ASAA2023062743806](https://openairdocs.org/sdr/ASAA2023062743806), Jun 27, 2023: UNKNOWN. UNKNOWN. UPON ARRIVAL IN SEA, APU WOULD NOT START AND WE GOT A FAULT LIGHT. GROUNDED - YES. CK'D AND REL PER MEL 49-99A. MAINT MSG #49-41012. STARTED APU REF MM 49-11-00
- [SDR ASAA2023062543707](https://openairdocs.org/sdr/ASAA2023062543707), Jun 25, 2023: BATTERY PACK. INOPERATIVE. LH SIDE EMER LIGHTS CABIN AND OVERWING EXTERIOR EMER LIGHTS NOT WORKING. GROUNDED - YES. REPLACED EMER LIGHTS BATTERY PACKS AS REQUIRED REF B737-900 AMM 33-57-0
- [SDR ASAA2023052443338](https://openairdocs.org/sdr/ASAA2023052443338), May 24, 2023: CONTROL PANEL. FAULTED. IAS/ MACH LED DISPLAY BURNT OUT PIXES ON MCP PANEL. GROUNDED - YES. REMOVED & REPLACED MODE CONTROL PANEL REF B737-900 AMM 22-11-34.
- [SDR ASAA2023051643244](https://openairdocs.org/sdr/ASAA2023051643244), May 16, 2023: UNKNOWN. UNKNOWN. AIR TURN BACK FOR LOW PRESSURE HYD LIGHT ILLUMINATED AFTER ROTATION. PRESSURE DROPPED TO 1600 PSI. LIGHT EXTINGUISHED AND PRESSURE RETURN 2900 PSI. AFTER GEAR U
- [SDR ASAA2023042042928](https://openairdocs.org/sdr/ASAA2023042042928), Apr 20, 2023: SOLENOID. FAULTY. FOLLOW-UP TO HISTORY OF P18-3 A6 ANTI-ICE & RAIN ENG 1, WING CONT CB TRIPPING. GROUNDED - YES. REPLACED GRD WING TAI SOLENOID VALVE, REF. B737-900 AMM 30-11-12.
- [SDR ASAA2023041342884](https://openairdocs.org/sdr/ASAA2023041342884), Apr 13, 2023: UNKNOWN. UNKNOWN. ENGINE CONTROL #2 CIRCUIT BREAKER POPPED BEHIND CAPTAIN SEAT ON P18 (A-6) LOCATION (ENGINE ANTI-ICE CONTROL). GROUNDED - YES. RESET ANTI ICE AND RAIN CONTROL EN
- [SDR ASAA2023040342757](https://openairdocs.org/sdr/ASAA2023040342757), Apr 3, 2023: UNKNOWN. UNKNOWN. DURING MASTER CAUTION RECALL, AIR COND INDICATION AND ZONE TEMP CAUTION LIGHT ON OVERHEAD. GROUNDED - YES. PERFORMED BITE TEST PER MM 21-61-00, SHOWED FLT DECK 
- [SDR ASAA2023040342747](https://openairdocs.org/sdr/ASAA2023040342747), Apr 3, 2023: UNKNOWN. UNKNOWN. CONT CAB ZONE TEMP ILLUMINATED ON RECALL AND EXTINGUISHED ON MASTER CAUTION RESET. GROUNDED - YES. ON DEFERRAL.

All 360: https://openairdocs.org/aircraft/N431AS/reports.md

## Service difficulty reports on N431AS not matched to an aircraft (7)

They name N431AS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR DELA200720007](https://openairdocs.org/sdr/DELA200720007), Sep 27, 2007: CONNECTOR. DIRTY. NOSE GEAR UNSAFE LIGHT ILLUMINATED ON APPROACH. FLY BY TOWER INDICATED GEAR WAS DOWN. LANDED UNEVENTFULLY. TROUBLESHOT WIRING TO NLG DOWNLOCK SWITCH, FOUND CONT
- [SDR DELA200700006](https://openairdocs.org/sdr/DELA200700006), Aug 20, 2007: DOWNLOCK SENSOR. FALSE INDICATION. ON APPROACH, LOWERED LANDING GEAR AND HAD RED LIGHT ON RT MLG. RECYCLED GEAR, SAME RESULT. PERFORMED ELECTRICAL MALFUNCTION ALTERNATE GEAR EXTENSION, SAME RESUL
- [SDR DELA200700005](https://openairdocs.org/sdr/DELA200700005), Jun 27, 2007: WIRE HARNESS. DAMAGED. LT ENGINE N1 LAGGED BEHIND RT ENGINE N1 ON TAKEOFF ROLL, AND ALSO LT ENGINE COMPUTER LIGHT CAME ON. FOUND (B) SOLENOID OF SERVO VALVE CONNECTOR HAD EXPOSED WIRE
- [SDR 2005FA0000096](https://openairdocs.org/sdr/2005FA0000096), Dec 6, 2004: BOLT. CORRODED. BOLT SHEARED AT THREADS DURING REMOVAL. SIGNS OF INTERNAL CORROSION ON BOLT.
- [SDR MXI2002F00000](https://openairdocs.org/sdr/MXI2002F00000), Jun 24, 2002: ACTUATOR. LEAKING. RIGHT MAIN LANDING GEAR ACTUATOR LEAKING HYDRAULIC FLUID. PLUNGER O-RING PART NUMBER M83461/1-146 FAILED BY ROLLING IN THE ACTUATOR. INSTALLED ACTUATOR REPAIR K
- [SDR MXI2001F00000](https://openairdocs.org/sdr/MXI2001F00000), Aug 8, 2001: VALVE. DEFECTIVE. OIL PRESSURE GAUGE INDICATES IN THE RED ZONE (HIGH) AT TAKE OFF POWER. OIL PRESSURE FOLLOWS THE POWER LEVER.
- [SDR 98ZZZX4135](https://openairdocs.org/sdr/98ZZZX4135), Oct 7, 1998: RETAINER. FAILED. DURING ENGINE DISASSEMBLY, DISCOVERED ONE TANG OF RING, RETAINING HAD SEPARATED FROM RING. SEPARATED PIECE WAS FOUND LODGED IN THE FAN GEARBOX ELEMENT OF OIL PU

## STCs that may be installed (OpenAirDocs) (429, 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 737-990ER)

- [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 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 ST12424CH](https://openairdocs.org/stc/ST12424CH): Installation of NGAS Provisions Installation. Astronics Connectivity Systems and Certification Corp
- [STC ST02174SE](https://openairdocs.org/stc/ST02174SE): Installation of a B/E Aerospace lavatory. B/E Aerospace, Inc. - FSI. Lists 737-900 Series
- [STC ST09927AC](https://openairdocs.org/stc/ST09927AC): Installation of a Gables Audio Management System. L2 Aviation
- [STC ST10928SC](https://openairdocs.org/stc/ST10928SC): Installation of an Iridium Communications System. L2 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 ST02329AT-D](https://openairdocs.org/stc/ST02329AT-D): Installation of TCC AERIS FX IFE system. AIRCRAFT RECONFIG TECHNOLOGIES, LLC. Lists 737-900 Series
- [STC ST02389AT-D](https://openairdocs.org/stc/ST02389AT-D): Installation of Collins High Frequency Radio. AIRCRAFT RECONFIG TECHNOLOGIES, LLC. Lists 737-900 Series
- [STC ST04159AT](https://openairdocs.org/stc/ST04159AT): Installation of PED Power. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04272AT](https://openairdocs.org/stc/ST04272AT): Interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04392AT](https://openairdocs.org/stc/ST04392AT): Main Cabin Cargo Carry Provisions 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 ST03735NY](https://openairdocs.org/stc/ST03735NY): Installation of a ViaSat KA SATCOM Antenna System. ALOFT AeroArchitects
- [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 ST09945AC](https://openairdocs.org/stc/ST09945AC): Installation of the Spacex Starlink Aviation Satcom System. Space Exploration Technologies Corp./Starlink Aviation
- [STC ST04831NY](https://openairdocs.org/stc/ST04831NY): Installation of Vortex Control Technologies Finlets. Kilroy Aviation LLC
- [STC ST04758NY](https://openairdocs.org/stc/ST04758NY): Installation of single cockpit USB charger. Eirtech Aviation Services Inc
- [STC ST09839DS](https://openairdocs.org/stc/ST09839DS): Aircraft G4 Galley Chiller Installation. United Airlines
- [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 ST02643LA](https://openairdocs.org/stc/ST02643LA): Installation of Stow Bin Protective Wear Strip. Vogt Aero LLC
- [STC ST02746NY](https://openairdocs.org/stc/ST02746NY): Installation of an advertisement container on the bottom of a seat back tray table. Atin OOH LLC
- [STC ST03218CH](https://openairdocs.org/stc/ST03218CH): Modify aircraft interior to match standard passenger cofigurations, IAW Global Onboard Partners MDL # 252013-737-MDL-02, Rev. N, dtd 1/4/22 or later FAA approved revisions. Atin OOH LLC
- [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 ST02829CH](https://openairdocs.org/stc/ST02829CH): Installation of Row 44 Broadband Antenna System Provisions. Anuvu IFC Corporation
- [STC ST02836CH-D](https://openairdocs.org/stc/ST02836CH-D): Installation and activation of a Row 44 Broadband System. Anuvu IFC Corporation
- [STC ST03235CH](https://openairdocs.org/stc/ST03235CH): Certification of Compatibility with Wireless Data Technologies. Anuvu IFC Corporation. Lists 737-900 Series
- [STC ST03301NY](https://openairdocs.org/stc/ST03301NY): Installation and activation of a new Row 44 Wireless Broadband System. Anuvu IFC Corporation
- [STC ST04324CH](https://openairdocs.org/stc/ST04324CH): Installation of a retrofit satellite antenna and associated power supply unit on aircraft previously fitted with the Row 44 Broadband System. Anuvu IFC Corporation
- [STC ST00892LA](https://openairdocs.org/stc/ST00892LA): Installation of Emergency Vision Assurance System (EVAS). VisionSafe LLC. Lists 737-900 Series
- [STC ST00030IB](https://openairdocs.org/stc/ST00030IB): Installation of Test Tech ELT. APTOZ EHF
- [STC ST12200IB](https://openairdocs.org/stc/ST12200IB): Istallation of the AFIRS Edge+ system. FLYHT Aerospace Solutions Ltd
- [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 ST11396DS](https://openairdocs.org/stc/ST11396DS): Installation of an Avionica aviONS (Onboard Network System). Aircraft Systems and Manufacturing Inc
- [STC ST01335LA](https://openairdocs.org/stc/ST01335LA): Installation of a reinforced cockpit door. Safran Cabin Inc. Lists 737-900 Series
- [STC ST01492LA](https://openairdocs.org/stc/ST01492LA): Installation of Galley G3A and 6A. Safran Cabin Inc. Lists 737-900 Series
- [STC ST01783LA](https://openairdocs.org/stc/ST01783LA): Installation of a Closet, P/N 501227-1. Safran Cabin Inc. Lists 737-900 Series
- [STC ST02081LA](https://openairdocs.org/stc/ST02081LA): Installation of Divider and Curtain Assembly. Safran Cabin Inc. Lists 737-900 Series
- [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 ST02172SE](https://openairdocs.org/stc/ST02172SE): Installation of new ovens. B/E Aerospace Inc. - FSI
- [STC ST09865AC](https://openairdocs.org/stc/ST09865AC): Installation of Panasonic FlightLink. L2 Aviation
- [STC ST04798NY](https://openairdocs.org/stc/ST04798NY): AAR Engineering Services Seat Re-pitch. Delta Engineering Corporation
- [STC ST04668CH](https://openairdocs.org/stc/ST04668CH): Installation of Honeywell HCR-25 Cockpit Voice Recorder (CVR). Honeywell Aerospace Inc
- [STC ST01479CH](https://openairdocs.org/stc/ST01479CH): Installation of Smiths Industries Flight Management System data bus portable computing device recorder. Amphenol Cable and Interconnect Technologies, Inc. Lists 737-900 Series

All 429: https://openairdocs.org/aircraft/N431AS/stcs.md

## Related

- Other Boeing 737-990ER aircraft: https://openairdocs.org/model/boeing-737-990er/aircraft.md
- The CFM International CFM56-7B27E series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b27e-series.md

---
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