# N478AS: 2015 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: 44105
- Year built: 2015
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: July 13, 2015
- Certificate issued: July 21, 2015
- Expires: July 31, 2028
- Mode S code: A5DEE3
- 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=478AS
- Page: https://openairdocs.org/aircraft/N478AS

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/N478AS/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 N478AS.

## FAA accident and incident reports

None matched to N478AS.

## Service difficulty reports (188, 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 ASAA2026032665136](https://openairdocs.org/sdr/ASAA2026032665136), Mar 26, 2026: GUST LOCK. STUCK. L1 DOOR GUST LOCK STUCK IN OPEN POSITION. GROUNDED - YES. L1 DOOR GUST LOCK OPS CHECK NORMAL PER AMM 52-11-00-200-801.
- [SDR ASAA2025060158385](https://openairdocs.org/sdr/ASAA2025060158385), Jun 1, 2025: LENS. BROKEN. SEAT 16F LOWER, DIRECTIONAL EMERGENCY EXIT LIGHT SIGN COVER BROKE OFF. GROUNDED - YES. REPLACED LENS COVER AS REQUIRED. EMERGENCY LIGHT OPERATES NORMALLY.
- [SDR ASAA2025030456424](https://openairdocs.org/sdr/ASAA2025030456424), Mar 4, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY BATTERY PACK POWER SUPPLY M2816 NEEDS TO BE REPLACED. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY BATTERY PACK POWER SUPPLY M2816, INSTALL TEST GOO
- [SDR ASAA2025030456423](https://openairdocs.org/sdr/ASAA2025030456423), Mar 4, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY BATTERY PACK POWER SUPPLY M1676 NEEDS TO BE REPLACED. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY BATTERY PACK POWER SUPPLY M1676, INSTALL TEST GOO
- [SDR ASAA2025030456422](https://openairdocs.org/sdr/ASAA2025030456422), Mar 4, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY BATTERY PACK POWER SUPPLY M1694 NEEDS TO BE REPLACED. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY BATTERY PACK POWER SUPPLY M1694, INSTALL TEST GOO
- [SDR ASAA2025030746421](https://openairdocs.org/sdr/ASAA2025030746421), Mar 4, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY BATTERY PACK POWER SUPPLY M1672 NEEDS TO BE REPLACED. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY BATTERY PACK POWER SUPPLY M1672, INSTALL TEST GOO
- [SDR ASAA2025030746420](https://openairdocs.org/sdr/ASAA2025030746420), Mar 4, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY BATTERY PACK POWER SUPPLY M2627 NEEDS TO BE REPLACED. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY BATTERY PACK POWER SUPPLY M2627, INSTALL TEST GOO
- [SDR ASAA2025022456350](https://openairdocs.org/sdr/ASAA2025022456350), Feb 24, 2025: FLOOR PANEL. CRACKED. FWD WET AREA FLOOP PANEL 141A5810-729 CORNER TAB IS BROKEN & LOWER SURFACE IS DAMAGED. GROUNDED - YES. REPAIRED BROKEN CORNER TAB USING A PERMANENT WET LAY UP R
- [SDR ASAA2025021856302](https://openairdocs.org/sdr/ASAA2025021856302), Feb 18, 2025: FLOOR PANEL. DELAMINATED. FWD WET AREA FLOOR PANEL 141A5810-303 HAS PEELING FIBERS & CORRODED INSERTS. GROUNDED - YES. COMPLETED WET LAY UP REPAIR AND REMOVED/REPLACED INSERTS ON FWD WET
- [SDR ASAA2024121854709](https://openairdocs.org/sdr/ASAA2024121854709), Dec 18, 2024: GLOWSTRIP. DETERIORATED. FA REPORTS THAT APPROX 6 INCHES OF EMERGENCY LIGHTING FLOOR STRIP AT THE AFT RIGHT SIDE B4 LAV E IS DAMAGED WILL NOT GLOW. GROUNDED - YES. REMOVED & REPLACED AF
- [SDR ASAA2024081651918](https://openairdocs.org/sdr/ASAA2024081651918), Aug 16, 2024: BATTERY PACK. INOPERATIVE. DURING EMERGENCY LIGHT OPS TEST FOUND A EMERGENCY LIGHT BATTERY PACK INOP. GROUNDED - YES. REPLACED EMERGENCY LIGHT BATTERY PACK IAW AMM 33-51-06. OPS TEST GOOD
- [SDR ASAA2024040548892](https://openairdocs.org/sdr/ASAA2024040548892), Apr 5, 2024: COVER. DETACHED. CEILING EXIT SIGN COVER CAME OFF. GROUNDED - YES. REINSTALLED EMERGENCY EXIT SIGN COVER & OK FOR SVC REF AMM 33-51-01.
- [SDR ASAA2024013197594](https://openairdocs.org/sdr/ASAA2024013197594), Jan 29, 2024: SIGN. BROKEN. FA REPORTS BROKEN EXIT SIGN AT MID-CABIN. GROUNDED - YES. CHECKED ALL EMERGENCY EXIT SIGNS AT AND AROUND MID CABIN, AS WELL AS THROUGHOUT A/C. ALL SIGNS FOUND S
- [SDR ASAA2023110546020](https://openairdocs.org/sdr/ASAA2023110546020), Nov 5, 2023: UNKNOWN. UNKNOWN. DURING PRE-FLIGHT HF-2 "FAIL-FAIL ANNUNCIATED ON ACP. GROUNDED - YES. PERFORMED RESET AND OPS TEST PER AMM 23-11-21-860-006, OK FOR SERVICE.
- [SDR ASAA2023102245800](https://openairdocs.org/sdr/ASAA2023102245800), Oct 22, 2023: UNKNOWN. UNKNOWN. ELEC LIGHT ON GROUND. GROUNDED - YES. CARRIED OUT FIM TASK 24-31 TASK 801. PERFORMED BITE TEST PROC, FAULT CLEARED. NO OTHER MAINT PROC REQUIRED.
- [SDR ASAA2023090444947](https://openairdocs.org/sdr/ASAA2023090444947), Sep 4, 2023: FMC. FAULTY. LEFT FMC INTERMITTENTLY FAILS AND RESTORES ITSELF FROM LANDING UNTIL PARKED AT THE GATE. LASTED APPROXIMATELY 20 MINUTES. AFTER SHUTDOWN LEFT FMC FAILED AND WOU
- [SDR ASAA2023082444753](https://openairdocs.org/sdr/ASAA2023082444753), Aug 24, 2023: HEATER. LEAKING. WHILE PERFORMING IDLE POWER LEAK CHECK ON #1 ENG FOUND FULE LEAK AT TOP BACK SIDE OF THE FUEL HEATER SERVO. GROUNDED - YES. REMOVED & REPLACED #1 ENG SERVO FUEL
- [SDR ASAA2023082044669](https://openairdocs.org/sdr/ASAA2023082044669), Aug 20, 2023: UNKNOWN. UNKNOWN. RIGHT PACK LIGHT ILLUMINATES ON RECALL, EXTINGUISHES WHEN RESET. GROUNDED - YES. INITIAL EVAL, RH PACK LT ILLUMINATED ON P5 OVERHEAD WITH MASTER RECALL. PERFORM
- [SDR ASAA2023081844667](https://openairdocs.org/sdr/ASAA2023081844667), Aug 18, 2023: UNKNOWN. UNKNOWN. ON RECALL CONT CABIN ZONE TEMP LIGHT ILLUMINATES EXTINGUISHED ON MASTER RECALL RESET. GROUNDED - YES. ACCOMPLISHED PZTC BITE REF MM 21-61-00-700-806-002. LAST F
- [SDR ASAA2023080744485](https://openairdocs.org/sdr/ASAA2023080744485), Aug 7, 2023: WINDSHIELD. DAMAGED. R1 WINDSHIELD HAS EVIDENCE OF ARCING ON UPPER RIGHT CORNER NEAR SOLDER JOINT. GROUNDED - YES. REPLACED R1 WINDOW IAW AMM 56-11-11-4020-801 STEP 3.H(1-14) JM 531
- [SDR ASAA2023072244182](https://openairdocs.org/sdr/ASAA2023072244182), Jul 22, 2023: UNKNOWN. UNKNOWN. EMERGENCY LIGHT AFT OF L2 DOOR INOP. GROUNDED - YES. RELAMPED AS REQUIRED. OPS TEST GOOD.
- [SDR ASAA2023071043977](https://openairdocs.org/sdr/ASAA2023071043977), Jul 10, 2023: UNKNOWN. UNKNOWN. APU MAINT LIGHT ILLUMINATES INTERMITENTLY. GROUNDED - YES. PERFORMED APU BITE TEST PER FIM 49-60 TASK 801 NO FAULT FOUND APU MAINT LIGHT IS OFF SEAMC DAN NOTIFI
- [SDR ASAA2023062243666](https://openairdocs.org/sdr/ASAA2023062243666), Jun 22, 2023: UNKNOWN. UNKNOWN. CONT CAB MASTER CAUTION, RESETS ON RESET. GROUNDED - YES. PERFORMED PACK/ZONE TEMPERATURE CONTROLLER BITE TEST REF AMM TASK 21-61-00-700-806-002. TEST PASSED.
- [SDR ASAA2023060943530](https://openairdocs.org/sdr/ASAA2023060943530), Jun 9, 2023: POWER STRIP. FAULTY. FA REPORTS EXIT S1GNS/LIGHTS ABOVE L2,R2 & AFT GALLEY WHERE INTERMITTENTLY FLASHING DURING BOARDING. GROUNDED - YES. VERIFIED DEFECT EMERGENCY LTS RANDOMLY ILLU
- [SDR ASAA2023060843529](https://openairdocs.org/sdr/ASAA2023060843529), Jun 8, 2023: UNKNOWN. UNKNOWN. FLT ATT REPORTS EXIT SIGNS/LIGHTS ABOVE L2,R2, & AFT GALLEY CEILING WERE INTERMITTENTLY FLASHING DURING BOARDING, FLIGHT AND AFTER ARRIVAL. GROUNDED - YES. ACCO
- [SDR ASAA2023041742914](https://openairdocs.org/sdr/ASAA2023041742914), Apr 17, 2023: UNKNOWN. UNKNOWN. SPEED TRIM LIGHT ILLUMINATED ON MASTER CAUTION RECALL AFTER FCF TEST. ABLE TO RESET WITH MASTER CAUTION RESET. GROUNDED - YES. PERFORMED B737-900 FIM 22-11 TASK
- [SDR ASAA2023041242847](https://openairdocs.org/sdr/ASAA2023041242847), Apr 12, 2023: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS COMMON TO POWER SUPPLY M1675 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY M1675 & INSTALLATION TEST GOOD IAW B73
- [SDR ASAA2023033042834](https://openairdocs.org/sdr/ASAA2023033042834), Mar 30, 2023: WEB. PUNCTURED. E&E ACCESS BAY: PUNCTURE ON LH SIDE OF E&E ACCESS DOOR FRAME ABOVE LATCH REVEIVER. GROUNDED - YES. REMOVED DAMAGED WEB PER B737-900 SRM 51-40-02LOCATED MAT ID A
- [SDR ASAA2023030842265](https://openairdocs.org/sdr/ASAA2023030842265), Mar 8, 2023: UNKNOWN. UNKNOWN. AFTER LANDING PRESSURE CONTROLLER DISPLAYED AUTO FAIL + ALTN. SELECTED ALTN WITH PRESSURIZATION MODE SELECTOR AND AUTO FAIL EXTINGUISHED. GROUNDED - YES. CPC 1 
- [SDR ASAA2023030442183](https://openairdocs.org/sdr/ASAA2023030442183), Mar 4, 2023: BATTERY PACK. INTERMITTENT. EMERGENCY EXIT SIGNS LOCATED AT THE AFT LOWERED CEILING AND ABOVE THE AFT AFT ENTRY AND AFT SERVICE DOOR WITH EMERGENCY EXIT LIGHT SWITCH IN ARMED POSITION, CYC
- [SDR ASAA2023021841982](https://openairdocs.org/sdr/ASAA2023021841982), Feb 18, 2023: UNKNOWN. UNKNOWN. ON APPROACH FO'S FLIGHT DIRECTOR LATERAL DEVIATION BAR DISAPPEARED AFTER LOC CAPTURE, THEN AFTER G/S CAPTURE LOST VERTICAL FLIGHT DIRECTOR BAR AS WELL AND A/P D
- [SDR ASAA2023020741872](https://openairdocs.org/sdr/ASAA2023020741872), Feb 7, 2023: TRANSCEIVER. FAILED. WHEN SELECTED HF #1 SHOWS FAIL ON RADIO TUNING PANELS. GROUNDED - YES. VERIFIED, CYCLED HF#1 C/B, FREQS APPEARS WITH NO AUDIO SIDE TONE THEN CHANGE BACK TO FAIL
- [SDR ASAA2023020241776](https://openairdocs.org/sdr/ASAA2023020241776), Feb 2, 2023: NOT REPORTED. NOT REPORTED. DURING T/O ROLL AND AGAIN CLIMBING THRU FL250 AFT GALLEY EMERGENCY LIGHTS WENT ON AND EXTINGUISHED AFTER 1MIN. AFT GALLEY EMERG LT. SW WORKS AS ADVERTISED. GROU
- [SDR ASAA2023012841724](https://openairdocs.org/sdr/ASAA2023012841724), Jan 28, 2023: SEAL. LEAKING. #1 ENGINE OIL TREND DATA SHOWS OIL CONSUMPTION TO GREATER THAN EXPECTED. ENGINE POWER RUN REQUIRED. GROUNDED - YES. BAGGED APPLICABLE OIL DRAIN LINES FOR POWER 
- [SDR ASAA2023011741554](https://openairdocs.org/sdr/ASAA2023011741554), Jan 17, 2023: BLEED VALVE. FAULTED. WHILE WORKING T/C N84360001, FOUND #1 ENG BLEED AIR REGULATOR DEFECTIVE. FAILED DURING SUBTASK 836-201. OVER PRESSURE SWITCH TEST. GROUNDED - YES. REMOVED AND R
- [SDR ASAA2023011741553](https://openairdocs.org/sdr/ASAA2023011741553), Jan 17, 2023: BLEED VALVE. FAULTED. WHILE WORKING T/C N8436001 FOUND #1 ENG HIGH STAGE REGULATOR DEFECTIVE FAILED DURING SUBTASK 839-415. REVERSE FLOW TEST. GROUNDED - YES. REMOVED AND REPLACED TH
- [SDR ASAA2023011741550](https://openairdocs.org/sdr/ASAA2023011741550), Jan 17, 2023: SOLENOID. INOPERATIVE. #2 ENG GROUND WING TAI SOLENOID VALVE INOP. GROUNDED - YES. REPLACED SOLENOID VALVE, OPS/LEAK CHECK OK. REF. B737-900 AMM 30-11-12-400-801.
- [SDR ASAA2022091439944](https://openairdocs.org/sdr/ASAA2022091439944), Sep 14, 2022: CONTROL PANEL. INOPERATIVE. AUTOTHROTTLE DISENGAGE LIGHT INOP. GROUNDED - YES. REMOVED AND REPLACED MCP REF B737-900 AMM 22-11-34.
- [SDR ASAA2022091439943](https://openairdocs.org/sdr/ASAA2022091439943), Sep 14, 2022: CONTROL PANEL. INOPERATIVE. AUTOPILOT ORAL WARNING INOP. GROUNDED - YES. REMOVED AND REPLACED MCP REF B737-900 AMM 22-11-34.
- [SDR ASAA2022090139755](https://openairdocs.org/sdr/ASAA2022090139755), Sep 1, 2022: UNKNOWN. FAILED. AURAL WAILER DOES NOT SOUND WHEN EITHER AUTOPILOT IS DISCONNECTED. GROUNDED - YES. REF B737-900 AMM 22-11-41, REMOVED/REPLACED F/O'S YOKE A/P DISENGAGE SWITCH.
- [SDR ASAA2022081739533](https://openairdocs.org/sdr/ASAA2022081739533), Aug 17, 2022: CONTROL VALVE. WARNING LIGHT. RT PACK LIGHT ON. GROUNDED - YES. BITE SHOWS #2 CONTROLLER HAS TCV FAULT. RT PACK LIGHT ON STEARD WILL NOT RESET. TURNED PACK OFF AND LET COOL. TRIP RESET GOOD.
- [SDR ASAA2022060638579](https://openairdocs.org/sdr/ASAA2022060638579), Jun 6, 2022: PLUG. DETACHED. AFTER PERFORMING A NO BLEED TAKEOFF AND WHILE REESTABLISHING NORMAL CONFIGURATION, THE LEFT DUCT WAS PRESSURIZED REGARDLESS OF SWITCH POSITIONS, - ISOLATION VAL
- [SDR ASAA2022060438553](https://openairdocs.org/sdr/ASAA2022060438553), Jun 4, 2022: TRANSCEIVER. FAILED. HF RADIO 1 DISPLAYING FAIL. GROUNDED - YES. REMOVED AND REPLACED HF TRANSCEIVER HF1. OPS CHECKED GOOD. REF B737-900 AMM TASK 23-11-21-400-801. REF B737-900 FIM 
- [SDR ASAA2022060338546](https://openairdocs.org/sdr/ASAA2022060338546), Jun 3, 2022: BRAKE ASSY. FAILED. REPORTS OF #2 ENGINE FAIL MESSAGE AT ENGINE SHUTDOWN. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE START BRAKE ASSEMBLY REF B737-900 AMM 76-11-10/401. OPERATI
- [SDR ASAA2022052638508](https://openairdocs.org/sdr/ASAA2022052638508), May 26, 2022: RELAY. FAULTY. AT GATE DURING ENGINE SHUTDOWN WITH START LEVERS CUTOFF THE #2 ENGINE SHOWED "ENGINE FAILURE" MOMENTARILY. GROUNDED - YES. ACCOMP B737-900 FIM 73-05 TASK 805, S
- [SDR ASAA2022052438436](https://openairdocs.org/sdr/ASAA2022052438436), May 24, 2022: CHIP DETECTOR. PLUGGED. DURING INSPECTION OF #2 ENG STARTER CHIP DETECTOR, FOUND UNACCEPTABLE AMOUNT OF MAGNETIC PARTICLES. GROUNDED - YES. REMOVED AND REPLACED #2 ENG STARTER REF B737
- [SDR ASAA2022050438207](https://openairdocs.org/sdr/ASAA2022050438207), May 4, 2022: CIRCUIT BREAKER. FAILED. WHILE CRUISING AT FL360 THE LEFT FRONT WINDOW OVERHEAT LIGHT ILLUMINATED. TURNED L FWD WINDOW HEAT SWITCH OFF FOR 5 MINUTES AND THEN TURNED IT BACK ON PER QRH P
- [SDR ASAA2022031437703](https://openairdocs.org/sdr/ASAA2022031437703), Mar 14, 2022: MODULATING VALVE. FAULTY. CONT CAB ZONE TEMP LIGHT ON RECALL. GROUNDED - YES. PERFORMED BITE CHECK OF PACK/ZONE TEMP CONTROLLER REF B737-900 AMM 21-61-00-700-806-002, FOUND FAULT FLT DEC
- [SDR ASAA2022022337538](https://openairdocs.org/sdr/ASAA2022022337538), Feb 23, 2022: TRANSCEIVER. INOPERATIVE. HF 2 SHOWING "FAIL" ON COM PANEL. GROUNDED - YES. REMOVED AND REPLACED #2 HF XCEIVER REF B737-900 AMM 23-11-21. OPS CHECK NORMAL PER SAME, NO FAULTS NOTED AT TH
- [SDR ASAA2021112536771](https://openairdocs.org/sdr/ASAA2021112536771), Nov 25, 2021: MODULATING VALVE. FAULTED. LEFT PACK LIGHT ILLUMINATES ON RECALL EXTINGUISHED ON MASTER RESET. GROUNDED - YES. REMOVED AND REPLACED LH TEMPERATURE CONTROL VALVE IAW AMM 21-51-10-000-801 A

All 188: https://openairdocs.org/aircraft/N478AS/reports.md

## 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/N478AS/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

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.