# N494AS: 2016 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: 41729
- Year built: 2016
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: February 5, 2016
- Certificate issued: February 16, 2016
- Expires: February 28, 2029
- Mode S code: A61F05
- 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=494AS
- Page: https://openairdocs.org/aircraft/N494AS

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/N494AS/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 N494AS.

## FAA accident and incident reports

None matched to N494AS.

## Service difficulty reports (142, 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 ASAA2026091168670](https://openairdocs.org/sdr/ASAA2026091168670), Sep 11, 2026: CONVERTER. FAULTED. DURING DEPT FLIGHT DECK ONLY HAD MILD OIL SMELL. WENT AWAY AT AROUND 5000'. AGAIN DESCENDING THROUGH APPROX 5000' STRONGER OIL SMELL IN FLIGHT DECK ONLY UNTIL A
- [SDR ASAA2026051266079](https://openairdocs.org/sdr/ASAA2026051266079), May 12, 2026: HANDLE. NO DISCREPANCY. THE "A" FLIGHT ATTENDANTS REPORTED THE L1 DOOR HANDLE FELT "LOOSE" + DID NOT SET PROPERLY WHEN THE DOOR WAS CLOSED PRIOR TO PUSH. GROUNDED - YES. OPENED AND CLO
- [SDR ASAA2026030464793](https://openairdocs.org/sdr/ASAA2026030464793), Mar 4, 2026: BATTERY PACK. DISCHARGED. EMERGENCY LIGHTS OUT ON THE FOLLOWING: R/H OVERWING EXIT, ROWS 8L, 11L, CABIN CEILING EXIT LIGHT. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY S
- [SDR ASAA2026020964518](https://openairdocs.org/sdr/ASAA2026020964518), Feb 9, 2026: INTERCOSTAL. CORRODED. RIGHT AFT LAV MOUNT INTERCOSTAL IS CORRODED FOUND WHILE WORKING 947 FRAME CORROSION. GROUNDED - YES. LOCATED AND DRILLED NEW INTERCOASTAL IAW BOEING 737-900ER S
- [SDR ASAA2026020864519](https://openairdocs.org/sdr/ASAA2026020864519), Feb 8, 2026: ATTACH ANGLE. CORRODED. WEB & SHIELD ATTACH ANGLE FWD OF DOOR CUT OUT AFT PIT IS CORRODED. GROUNDED - YES. REMOVED CORROSION, MAX MAT LOSS .012 FOUND TO BE OUT OF LIMITS REMOVED AND RE
- [SDR ASAA2026020764720](https://openairdocs.org/sdr/ASAA2026020764720), Feb 7, 2026: FLOORBEAM. CORRODED. RIGHT FRAME 947 HAS CORROSION UPPER SURFACE NEAR LAV MOUNT BRACKET. GROUNDED - YES. REPAIRED FLOORBEAM STA 947 IAW BOEING SRM 53-70-51-2R-5 REPAIR 5 & EA 900ER-
- [SDR ASAA2026020464382](https://openairdocs.org/sdr/ASAA2026020464382), Feb 4, 2026: TRANSITION PANEL. CORRODED. FWD PIT LH SIDEPLATE (TRANSITION PANEL) IS CORRODED MULTIPLE SPOTS FROM STA 500A-500L. GROUNDED - YES. REPAIRED TRANSITIONAL PANEL IAW B737-900ER SRM 53-00-53-1
- [SDR ASAA2026020364808](https://openairdocs.org/sdr/ASAA2026020364808), Feb 3, 2026: TRANSITION PANEL. CORRODED. AFT PIT LH SIDEPLATE (TRANSITION PANEL) IS CORRODED MULTIPLE SPOTS STA 727-807. GROUNDED - YES. REMOVED CORROSION, DUE TO 100% MAT LOSS, FOUND TO BE OUT OF LIMI
- [SDR ASAA2026020364521](https://openairdocs.org/sdr/ASAA2026020364521), Feb 3, 2026: SHIELD. CORRODED. AFT DOOR CUT OUT, FWD RH SHIELD IS CORRODED. GROUNDED - YES. REMOVED CORROSION, MAX MAT LOSS .027, FOUND TO BE OUT OF LIMITS, REMOVED & REPLACED IAW B737-900ER 
- [SDR ASAA2026020364520](https://openairdocs.org/sdr/ASAA2026020364520), Feb 3, 2026: TRANSITION PANEL. CORRODED. AFT CARGO RT SIDEPLATE (TRANSITION PANEL) IS CORRODED MULTIPLE SPOTS STA 727-787. GROUNDED - YES. REMOVED CORROSION, DUE TO 100% MAT LASS, FOUND TO BE OUT OF LI
- [SDR ASAA2025101361550](https://openairdocs.org/sdr/ASAA2025101361550), Oct 13, 2025: LIGHT. BROKEN. OVERWING LT FWD, INTERIOR EMERGENCY LIGHT ASSY BROKEN. GROUNDED - YES. REMOVED & REPLACED OVERWING LH FWD, INTERIOR EMERGENCY LIGHT ASSY REF AMM 33-51-01, OPS C
- [SDR ASAA2025081960222](https://openairdocs.org/sdr/ASAA2025081960222), Aug 19, 2025: ELEC CONNECTOR. DAMAGED. WIRE HANGING FROM CEILING OF AFT CABIN. GROUNDED - YES. REVERSED SP NR 2 MAINT. PROCEDURES- INSPECTED CONN'S AND FOUND NO ISSUES. REF SWPM 20-63-02. FULLY ATTAC
- [SDR ASAA2025060658678](https://openairdocs.org/sdr/ASAA2025060658678), Jun 6, 2025: FLOORBEAM. CRACKED. AT OK TO INSTALL FOUND BREAKER PANEL RBL-0 AT STA. 540 CRACKED (MARKED). GROUNDED - YES. REMOVED AND REPLACED PANEL BREAK IAW B737-900 SRM 51-40-02-0G-0.
- [SDR ASAA2025053058679](https://openairdocs.org/sdr/ASAA2025053058679), May 30, 2025: FLOORBEAM. CRACKED. PANEL BRAK AT STA 540 BL 0 TO LBL 24 IS CRACKED. GROUNDED - YES. REMOVED AND REPLACED PANEL BREAK IAW B737-900 SRM 51-40-02-0G-0.
- [SDR ASAA2025052858797](https://openairdocs.org/sdr/ASAA2025052858797), May 28, 2025: BATTERY PACK. INOPERATIVE. AISLE AREA EMERGENCY LIGHTS AT SEATS ROWS 17, 19, 21, 23, AND L/H AND R/H AFT OVERWING LIGHTS FAILED OPS. GROUNDED - YES. REPLACED BATTERY PACKS EMERGENCY LIGHT
- [SDR ASAA2023110646121](https://openairdocs.org/sdr/ASAA2023110646121), Nov 6, 2023: MODULE. FAULTY. FOLLOW-UP TO REPORT OF APU NOT STARTING IN FLIGHT WITH FAULT 49-41010. (#PRI2/ETOPS)ETOPS SIGNIFICANT SYSTEM TASK AFFECTS APU ON DEMAND IN-FLIGHT START CAPABILI
- [SDR ASAA2023110246021](https://openairdocs.org/sdr/ASAA2023110246021), Nov 2, 2023: UNKNOWN. UNKNOWN. FAULT LIGHT ILLUMINATED DURING APU START ATTEMPT AT FL340 DURING FIRST AND SECOND TRY. SUCCESSFUL CSS ACCOMPLISHED AFTER FAULT LIGHT EXTINGUISHED AT FL300. GROU
- [SDR ASAA2023103145949](https://openairdocs.org/sdr/ASAA2023103145949), Oct 31, 2023: UNKNOWN. UNKNOWN. FAULT LIGHT ILLUMINATED DURING APU START ATTEMPT AT FL360. SUCESSFUL CSS ACCOMPLISHED AFTER FAULT LIGHT EXTINGUISHED. GROUNDED - YES. INFO NOTED CSS UNSUCCESSFU
- [SDR ASAA2023102945922](https://openairdocs.org/sdr/ASAA2023102945922), Oct 29, 2023: UNKNOWN. UNKNOWN. FAULT LIGHT ILLUMINATED DURING APU START ATTEMPT AT FL 340. SUCCESSFUL CSS ACCOMPLISHED AFTER FAULT LIGHT EXTINGUISHED AT FL 340. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023101445652](https://openairdocs.org/sdr/ASAA2023101445652), Oct 14, 2023: UNKNOWN. UNKNOWN. EXIT LIGHT/SING COVER FELL OFF NEAR THE L1 DOOR. GROUNDED - YES. RESECURE AS REQUIRED EXIT LIGHT/SING COVER LI DOOR REF AMM 250-51-01.
- [SDR ASAA2023071043958](https://openairdocs.org/sdr/ASAA2023071043958), Jul 10, 2023: UNKNOWN. UNKNOWN. VS SELECTOR WHEN YOU SCROLL IT GOES OPPOSITE DIRECTION EXAMPLE START UP -500FPM, YOU WENT -1000FPM AND SCROL DOWN IT WILL GO TO -250FPM. GROUNDED - YES. DFCS BI
- [SDR ASAA2023070243820](https://openairdocs.org/sdr/ASAA2023070243820), Jul 2, 2023: BATTERY. INOPERATIVE. ROW 27 BIN EMERGENCY LIGHT INOP. GROUNDED - YES. REPLACED BATTERY S/N 410836 FOR ROW #27 EMERGENCY LIGHT OPS CHECK GOOD IAW B737-900 AMM 33-51-06-960-805.
- [SDR ASAA2023062744146](https://openairdocs.org/sdr/ASAA2023062744146), Jun 27, 2023: BATTERY PACK. INOPERATIVE. L-1 AND R1 EMERGENCY LIGHTS INOP. GROUNDED - YES. REMOVED, REPLACED, AND OPS CHECKED GOOD L1 AND R1 EMERGENCY LIGHT BATTERY PACKS IAW B737-900 AMM 33-51-06-960-
- [SDR ASAA2023062743819](https://openairdocs.org/sdr/ASAA2023062743819), Jun 27, 2023: BATTERY PACK. INOPERATIVE. EMERGENCY AISLE LIGHTS AT SEATS 9, 13, 25 AND 29 INOP. GROUNDED - YES. REMOVED, REPLACED BATTERY PACKS S/N 411938 / 411873 AND OP CHECKED GOOD EMERGENCY AISLE L
- [SDR ASAA2023051043221](https://openairdocs.org/sdr/ASAA2023051043221), May 10, 2023: HARNESS. CHAFED. ENG #1 FIRE LOOP "B" INOP. GROUNDED - YES. REMOVED AND REPLACED CORE FIRE DETECTOR HARNESS MW0326 REF B737-900 AMM 26-11-02.
- [SDR ASAA2023021741984](https://openairdocs.org/sdr/ASAA2023021741984), Feb 17, 2023: TRANSMITTER. FAULTY. UNSUCCESFUL AUTOLAND APPROX 100 FT AGI. A/P DRIFTED LEFT OF COURSE, APPROX 75 FT. GROUNDED - YES. DFCS 1 & 2 BITE SHOWS NO FAULTS LOGGED. HGS SHOWS APP WARN XTK
- [SDR ASAA2023021241926](https://openairdocs.org/sdr/ASAA2023021241926), Feb 12, 2023: UNKNOWN. UNKNOWN. LEFT PACK LIGHT ILLUMINATES ON MASTER CAUTION RECALL. LEFT RAM DOOR FULL OPEN LIGHT ILLUMINATED AT CRUISE. GROUNDED - YES. COMPLIED WITH PACK TEMP CONTROLLER BI
- [SDR ASAA2023020441864](https://openairdocs.org/sdr/ASAA2023020441864), Feb 4, 2023: SPINNER. DAMAGED. WHILE PERFORMING INLET INSP #1 ENGINE TC 78472000 FRONT SPINNER CONE MISSING MORE THAN 50% OF SPIRAL MARKING. GROUNDED - YES. REMOVED AND REPLACED SPINNER CONE 
- [SDR ASAA2023013081700](https://openairdocs.org/sdr/ASAA2023013081700), Jan 28, 2023: HF COMM. FALSE INDICATION. HF1 DISPLAS FAIL/FAIL. GROUNDED - YES. COMPLY WITH BITE CHECK HF1, REF FIM TASK 23-11-80, OP CHK GOOD FAIL LIGHT EXTINGUISHED.
- [SDR ASAA2023010141342](https://openairdocs.org/sdr/ASAA2023010141342), Jan 1, 2023: WARNING LIGHT. FALSE ACTIVATION. AMBER "ELEC" LIGHT ILLUMINATED ON THE OVERHEAD ELECTRICAL PANEL. GROUNDED - YES. HAD AUX BATTERY CHARGER MESSAGE PERFORMED B737-900 FIM 24-31 TASK 801 FAULT CLE
- [SDR ASAA2022100840207](https://openairdocs.org/sdr/ASAA2022100840207), Oct 8, 2022: NOZZLE. COKED. APU TREND DATA SHOWS CT5ATP TEMP IS APPROACHING THE 605 DEGREES THRESHOLD AGAIN. ETOPS SIGNIFICANT SYSTEM TASK AFFECTS APU ON DEMAND IN-FLIGHT START CAPABILITY.
- [SDR ASAA2022080639394](https://openairdocs.org/sdr/ASAA2022080639394), Aug 6, 2022: BATTERY PACK. FAILED. WHILE PERFORMING ASA T.C. # 78233001, EMERGENCY LTS IN AFT GALLEY OVERHEAD AND L2 DOOR DID NOT PASS CAPACITY CHECK. GROUNDED - YES. REMOVED AND REPLACED BATTERY
- [SDR ASAA2022062238775](https://openairdocs.org/sdr/ASAA2022062238775), Jun 22, 2022: EXCITER. INOPERATIVE. #1 ENG NO LIGHT OFF WITH RIGHT IGNITION. SUCCESSFULLY STARTED WITH LEFT IGNITION. GROUNDED - YES. REMOVED AND REPLACED IGNITER PLUG, HARNESS AND EXCITER BOX REF
- [SDR ASAA2022061738689](https://openairdocs.org/sdr/ASAA2022061738689), Jun 17, 2022: AUTOTHROTTLE SYS. FALSE INDICATION. AUTO THROTTLE DISCONNECTED WHEN TOGA PUSHED ON TAKEOFF. GROUNDED - YES. PERFORMED AUTOTHROTTLE BITE TEST IAW B737-900 FIM TASK 23-31 TASK 801. NO DEFECTS NOTED.
- [SDR ASAA2022061038605](https://openairdocs.org/sdr/ASAA2022061038605), Jun 10, 2022: ECU. FAULTY. APU TREND DATA SHOWS CT5ATP TEMP IS AT OR ABOVE THE THRESHOLD 593 DEGREES BUT LESS THAN 605 DEGREES. GROUNDED - YES. REF B737-900 AMM 49-61-12 REMOVED AND REPLA
- [SDR ASAA2022051838389](https://openairdocs.org/sdr/ASAA2022051838389), May 18, 2022: FMS. FAULTY. VTK DISPLAYED ON F/O ND DURING TAXI IN. GROUNDED - YES. PER B737-900 FIM 34-61 TASK 836, ACCOMPLISHED INITIAL EVALUATION, SYSTEM RESET. VTK FLAG ON F/O ND IS NO
- [SDR ASAA2022051738346](https://openairdocs.org/sdr/ASAA2022051738346), May 17, 2022: SENSOR. FAILED. FOLLOWUP TO HISTORY OF APU OVERSPEED LIGHT AND SHUTDOWN. ETOPS SIGNIFICANT SYSTEM TASK AFFECTS APU ON DEMAND IN-FLIGHT START CAPABILITY. UPON COMPLETION, CONTAC
- [SDR ASAA2022050538214](https://openairdocs.org/sdr/ASAA2022050538214), May 5, 2022: MODULATING VALVE. FAULTY. RIGHT PACK LIGHT ON RECALL CLEARS W/ MASTER CAUTION RESET. GROUNDED - YES. FOUND RIGHT PACK TCV CONTINOUSLY RUNNING A/C MOTOR VERY HOT WITH NO BLEED LOAD APPLIE
- [SDR ASAA2022042438114](https://openairdocs.org/sdr/ASAA2022042438114), Apr 24, 2022: TUNING UNIT. FAULTY. HF #1 RADIO INTERMITTENTLY + AUTOMATICALLY CHANGES THE " ACTIVE" FREQ FROM WHAT WAS MANUALLY SET(8843) TO 3254 WITH NO PILOT INPUT. HF#1 CONFIRMED TO WORK FINE 
- [SDR ASAA2022040537902](https://openairdocs.org/sdr/ASAA2022040537902), Apr 5, 2022: BULB. INOPERATIVE. R1 DOOR EXTERIOR EMERGENCY LIGHT INOP. GROUNDED - YES. RELAMPED R1 EXTERIOR EMERGENCY LIGHT REF B737-900 AMM 33-51-04. OPS TEST GOOD.
- [SDR ASAA2022020837376](https://openairdocs.org/sdr/ASAA2022020837376), Feb 8, 2022: DISPLAY. FAULTY. 2 HOURS PART TAKEOFF WE GOT MASTER CAUTION ENGINE LIGHT. BOTH ENGINE EEC ALTN LIGHT ILLUMINATED COMPLIED W/ QRH. NO FURTHER ANOMALIES NOTED. DIVERTED BACK TO KS
- [SDR ASAA2022011437169](https://openairdocs.org/sdr/ASAA2022011437169), Jan 14, 2022: FMC. FAULTED. NO VSPEED AND LDG AIT FLAPS ON FO'S PFD. LNAV AND VNAV WON'T ENGAGE. GROUNDED - YES. PERFORMED OPS CHK ON FMC REF B737-900 AMM 34-61-04 OPS GOOD. OK FOR SVC.
- [SDR ASAA2022011037123](https://openairdocs.org/sdr/ASAA2022011037123), Jan 10, 2022: DISPLAY. DAMAGED. L/H FMCS CONTROL DISPLAY UNIT (CDU) HAS DAMAGED HARDWARE. GROUNDED - YES. REMOVED AND REPLACED FMCS (#1 - L/H SIDE) CONTROL DISPLAY UNIT REF B737-900 AMM 34-61-
- [SDR ASAA2021112236692](https://openairdocs.org/sdr/ASAA2021112236692), Nov 22, 2021: UNKNOWN. UNKNOWN. AUTOTHROTTLE DISENGAGED DURING FLIGHT WILL NOT RE-ENGAGE. GROUNDED - YES. NO CURRENT FAULTS. BITE HISTORY SHOWED MSG 22-31687 CHANNEL A RATE AND SPEED MONITOR A
- [SDR ASAA2021111736631](https://openairdocs.org/sdr/ASAA2021111736631), Nov 17, 2021: UNKNOWN. UNKNOWN. AFTER LANDING, RIGHT FMC CYCLES IN AND OUT (VTK DISPLAYED). GROUNDED - YES. DFCS CHANNEL B FAULT REVIEW RESULTED IN MSG 22-11822 FMC DATA INV FOR THIS LEG. ACCO
- [SDR ASAA2021111436588](https://openairdocs.org/sdr/ASAA2021111436588), Nov 14, 2021: SLIDING WINDOW. FAULTY. RIGHT WINDOW HEAT "OVERHEAT" ILLUMINATED DURING DESCENT. QRH DID NOT CLEAR THE OVERHEAT. GROUNDED - YES. COMPLETED STEPS (F)6 AND 7 OF B737-900 AMM TASK 56-12-1
- [SDR ASAA2021111336587](https://openairdocs.org/sdr/ASAA2021111336587), Nov 13, 2021: UNKNOWN. UNKNOWN. RT SIDE WINDOW HEAT LIGHT ILLUMINATED (OVERHEAT). GROUNDED - YES. RAN QRH AND RESET. LIGHT (OVERHEAT) WENT AWAY.
- [SDR ASAA2021101736332](https://openairdocs.org/sdr/ASAA2021101736332), Oct 17, 2021: BLOWER. NONE. LOUD BUZZING SOUND COMING FROM CNETER CONSOLE. SOUND IS SIMILAR TO A FAN WITH BEARINGS THAT ARE FAILING. GROUNDED - YES. FOUND WEATHER RADAR R/T MOUNT BLOWER AS
- [SDR ASAA2021090435857](https://openairdocs.org/sdr/ASAA2021090435857), Sep 4, 2021: BULB. BURNED OUT. FOUND EXTERIOR LIGHT BY L2 DOOR INOP. GROUNDED - YES. REPLACED LAMP OF EXTERIOR EMERGENCY LIGHT BY L2 DOOR. OPS CHECK GOOD REF B737-900 AMM 33-51-04-960-801.
- [SDR ASAA2021080235570](https://openairdocs.org/sdr/ASAA2021080235570), Jul 20, 2021: TRANSITION PANEL. CORRODED. FWD PIT FLOOR STRUCTURE, TRANSITION PANEL CORRODED AT UPPER SURFACE AT APPROX. LBL-24 BETWEEN BS 500D AND 5001. DOT:H394 GROUNDED - YES. EVALUATION OF L/H TRANS

All 142: https://openairdocs.org/aircraft/N494AS/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/N494AS/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.