# N493AS: 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: 41727
- Year built: 2016
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: January 29, 2016
- Certificate issued: February 2, 2016
- Expires: February 28, 2029
- Mode S code: A61B4E
- 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=493AS
- Page: https://openairdocs.org/aircraft/N493AS

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every CFM International 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/N493AS/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 N493AS.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20170310002639I](https://openairdocs.org/incident/20170310002639I), Mar 10, 2017: Boeing B-737 (N493AS), Boston, MA, Minor damage. On March 10, 2017, Alaska airlines flight 769, a B737-900ER, scheduled to fly from Boston Logan international airport (bos) to san diego (san) collided with a…

## Service difficulty reports (213, 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 ASAA2025111962623](https://openairdocs.org/sdr/ASAA2025111962623), Nov 19, 2025: TRANSITION PANEL. CORRODED. RIGHT TRANSITION SIDEPLATE IS CORRODED BETWEEN BS 727G+12 TO 767. GROUNDED - YES. REPAIRED TRANSITION SIDEPLATE BS 727G+12 TO 767 IAW SRM 53-00-53-2R-5. W 1, O 
- [SDR ASAA2025111962622](https://openairdocs.org/sdr/ASAA2025111962622), Nov 19, 2025: TRANSITION PANEL. CORRODED. LEFT TRANSITION SIDEPLATE IS CORRODED BETWEEN STA 727G+12 TO 747+12. GROUNDED - YES. REPAIRED LT TRANSITION SIDEPLATE STA 727F+12 TO 747+12 IAW B737-900 SRM 53-
- [SDR ASAA2025071259470](https://openairdocs.org/sdr/ASAA2025071259470), Jul 12, 2025: BATTERY. INOPERATIVE. EMERGENCY LIGHT BATTERY M1675 INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY M1675 IAW B737 AMM 33-51-06-960-806. (S/N 82958)
- [SDR ASAA2025071259469](https://openairdocs.org/sdr/ASAA2025071259469), Jul 12, 2025: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHT BATTERY M1676 INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY M1676 IAW B737 AMM 33-51-06-960-806. (S/N 129042)
- [SDR ASAA2025030656478](https://openairdocs.org/sdr/ASAA2025030656478), Mar 6, 2025: DOOR. BINDING. CSA REPORTS L1 DOOR DIFFICULT TO OPEN + CLOSE. GROUNDED - YES. OPS CHECK L1 DOOR OPEN + CLOSE. DOOR OPERATION GOOD AT THIS TIME. REF AMM 52-11-00.
- [SDR ASAA2025030656470](https://openairdocs.org/sdr/ASAA2025030656470), Mar 6, 2025: LIGHT. DETACHED. FA'S REPORT ROW 13 FLOOR LIGHTING BUBBLED @ ROW 13. GROUNDED - YES. REMOVED + REINSTALLED A/C RIGHT FLOOR PHOTOLUMINESCENT STRIP BETWEEN ROWS 12DEF AND 15DEF. F
- [SDR ASAA2024111453898](https://openairdocs.org/sdr/ASAA2024111453898), Nov 14, 2024: LIGHT. DETACHED. EMERGENCY LIGHT ABOVE 27ABC POPPED OUT. GROUNDED - YES. REINSTALLED EMERGENCY AISLE LIGHT ABOVE SEAT 27ABC, OPS CHECK NORMAL PER AMM 33-51-03.
- [SDR ASAA2024082652105](https://openairdocs.org/sdr/ASAA2024082652105), Aug 26, 2024: LENS. MISSING. FA FOUND EMERGENCY COVER AIRCRAFT RIGHT ON THE FLOOR. GROUNDED - YES. (RESOLVED ON W/O: 2012360 TASKCARD: N/R-00001 ) REPLACED EMERGENCY EXIT LIGHT LENS AT SEAT
- [SDR ASAA2024050749490](https://openairdocs.org/sdr/ASAA2024050749490), May 7, 2024: LENS. MISSING. THE LENS FOR THE EMERGENCY AISLE LIGHT AT ROW 4 IS MISSING. GROUNDED - YES. INSTALLED EMERGENCY AISLE LIGHT LENS COVER AT ROW 4 REF AMM 33-51-03.
- [SDR ASAA2024041649131](https://openairdocs.org/sdr/ASAA2024041649131), Apr 16, 2024: RIB. DAMAGED. TRAILING EDGE OF LOWER FLANGE ON HORIZONTAL STAB O/B CLOSURE RIB ON R/H SIDE HAS EVIDENCE OF HEAT DAMAGE. (LAST NUTPLATE AREA). GROUNDED - YES. ACCOMP HFEL PEV 
- [SDR ASAA2024012547527](https://openairdocs.org/sdr/ASAA2024012547527), Jan 25, 2024: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHT POWER SUPPLY M1694 AND M1670 INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLIES M1694 AND M1670 OPS CHECK GOOD REF AMM 33
- [SDR ASAA2024012547525](https://openairdocs.org/sdr/ASAA2024012547525), Jan 25, 2024: LAMP. INOPERATIVE. R2 DOOR EXTERIOR EMERGENCY LIGHT INOP. GROUNDED - YES. REPLAMPED R2 DOOR EXTERIOR EMERGENCY LIGHT REF AMM 33-51-04 OPS GOOD.
- [SDR ASAA2023110145971](https://openairdocs.org/sdr/ASAA2023110145971), Nov 1, 2023: BLADE. WORN. FOUND EXCESSIVE WEAR / DAMAGE ON MULTIPLE FAN BLADE PLATFORMS ON #1 ENGINE. GROUNDED - YES. REF W/O 1969863REF T/C SBCFM56-7B-72-1033-1. REMOVED AND REPLACED AL
- [SDR ASAA2023103145942](https://openairdocs.org/sdr/ASAA2023103145942), Oct 31, 2023: MODULATING VALVE. FAULTY. RIGHT PACK LIGHT ILLUMINATED. EXTINGUISHES WHEN CLEARING MASTER CAUTION. GROUNDED - YES. (RESOLVED ON W/O: 1969863 TASKCARD: N/R-00006 ) PERFORMED PACK TEMPCONT
- [SDR ASAA2023102345816](https://openairdocs.org/sdr/ASAA2023102345816), Oct 23, 2023: UNKNOWN. UNKNOWN. FOUND 4 ECONOMIC FAULTS ON #2 ENG HPTACC SIGNALS RECORDED FAULTS: 75-10462, 75-20412, 75-10412, 75-10362. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023101645679](https://openairdocs.org/sdr/ASAA2023101645679), Oct 16, 2023: UNKNOWN. UNKNOWN. RIGHT "RAM DOOR FULL OPEN" LIGHT WAS ILLUMINATED THE ENTIRE FLIGHT. PACKS, A/C, PRESSURIZATION ALL NORMAL. GROUNDED - YES. PERFORMED B737-900 FIM 21-51 TASK 803
- [SDR ASAA2023092345250](https://openairdocs.org/sdr/ASAA2023092345250), Sep 23, 2023: UNKNOWN. UNKNOWN. DURING TC 78273000 FOUND ECONOMIC FAULT 75-10242 AND 75-20412 HPTACC SIGNAL DISAGREE. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023092345246](https://openairdocs.org/sdr/ASAA2023092345246), Sep 23, 2023: UNKNOWN. UNKNOWN. DURING TC 7827300 FOUND ECONOMIC FAULT 75-10462 AND 75-20462 HPTACC DEMAND AND POSITION SIGNALS DISAGREE. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023092345245](https://openairdocs.org/sdr/ASAA2023092345245), Sep 23, 2023: UNKNOWN. UNKNOWN. DURING TC 78273000 FOUND ECONOMIC FAULT 75-10362 HPTACC POSITION OUT OF RANGE. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023091945222](https://openairdocs.org/sdr/ASAA2023091945222), Sep 19, 2023: UNKNOWN. UNKNOWN. DURING PERFORMING T/C 78273000 FOUND ENG #1 MSG BR: 73-10191 INTERVAL EEC FAULT, LONG TIME. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023082344750](https://openairdocs.org/sdr/ASAA2023082344750), Aug 23, 2023: UNKNOWN. UNKNOWN. LT PACK LIGHT ILLUMINATES ON RECALL. GROUNDED - YES. PERFORMED #1 ZONE PACK TEMP CONTROLLER BITE REF AMM 21-61-00. NO FAULTS FOUND, APPEARS TO BE AN INTERMITTEN
- [SDR ASAA2023082344718](https://openairdocs.org/sdr/ASAA2023082344718), Aug 23, 2023: CONTROL VALVE. FAULTED. TECH SERVICES REQUEST REPLACEMENT OF THE #1(LEFT)V18 FLOW CONTROL VALVE DUE TO REPORT LEFT PACK CYCLING FROM HIGH TO LOW FLOW. GROUNDED - YES. REMOVED AND REPLA
- [SDR ASAA2023081644640](https://openairdocs.org/sdr/ASAA2023081644640), Aug 16, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C 78273000 FAULT CODE APPEARED ON #2 ENGINE 75-20462 THE HPTACC DEMAND AND POSITION SIGNALS DISAGREE, ECONOMIC FAULT. MUST BE CORRECTED IN
- [SDR ASAA2023081644639](https://openairdocs.org/sdr/ASAA2023081644639), Aug 16, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C78273000 FAULT CODE 75-10462 APPEARED ON #2 ENGINE. THE HPTACC DEMAND AND POSITION SIGNALS DISAGREE, ECONOMIC FAULT MUST BE CORRECTED IN 
- [SDR ASAA2023081644638](https://openairdocs.org/sdr/ASAA2023081644638), Aug 16, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C78273000 FAULT CODE 75-10362 APPEARED ON #2 ENGINE, THE HPTACC POSITION SIGNAL IS OUT OF RANGE, ECONOMIC FAULT. MUST BE CORRECTED IN 500 
- [SDR ASAA2023081644637](https://openairdocs.org/sdr/ASAA2023081644637), Aug 16, 2023: UNKNOWN. UNKNOWN. WHILE ACCOMPLISHING T/C78273000 FAULT CODE 75-30412 APPEARED ON #2 ENGINE, THE HPTACC POSITION SIGNAL DISAGREE, ECONOMIC FAULT. MUST BE CORRECTED IN 500 HOURS. 
- [SDR ASAA2023080244382](https://openairdocs.org/sdr/ASAA2023080244382), Aug 2, 2023: POWER SUPPLY. FAILED. EMERGENCY LIGHT SYSTEM BATTERY PACK M2627 FAILED OPERATIONAL CHECK. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY POWER SUPPLY M2627 IAW B737 AMM 33-51-06. OP 
- [SDR ASAA2023071744076](https://openairdocs.org/sdr/ASAA2023071744076), Jul 17, 2023: UNKNOWN. UNKNOWN. FMC DISAGREE DURING PUSHBACK. GROUNDED - YES. MESSAGE CLEARED WITHOUT USE OF THE QRH.
- [SDR ASAA2023062843815](https://openairdocs.org/sdr/ASAA2023062843815), Jun 28, 2023: UNKNOWN. UNKNOWN. #2 ENG FAULT CODE 75-10462 THE HPTACC DEMAND AND POSITION SIGNALS DISAGREE ECO FAULT. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023062543754](https://openairdocs.org/sdr/ASAA2023062543754), Jun 25, 2023: ACTUATOR. FAULTY. RIGHT RAM DOOR (BLUE) LIGHT ILLUMINATED IN CRZ. GROUNDED - YES. REVERSED MEL CONFIG FOR MEL 21-5D. AFT RAM AIR LOUVERS AND INLET ACTUATOR BACK TO NORMAL CONFIG.
- [SDR ASAA2023062243695](https://openairdocs.org/sdr/ASAA2023062243695), Jun 22, 2023: UNKNOWN. UNKNOWN. # 2 ENG FAULT CODE 75-20462, THE HPTACC DEMAND AND POSITION SIGNALS DISAGREE. ECO FAULT. # 2 ENG FAULT CODE 75-30412. THE HPTACC POSITION SIGNALS DISAGREE. ECO 
- [SDR ASAA2023061543573](https://openairdocs.org/sdr/ASAA2023061543573), Jun 14, 2023: UNKNOWN. UNKNOWN. SATCOM PROMPT WAS MISSING ON THE MCDU MENU GROUNDED - YES. QRH RESET PROCEDURE WAS SUCCESSFUL.
- [SDR ASAA2023052443343](https://openairdocs.org/sdr/ASAA2023052443343), May 24, 2023: SPINNER. WORN. ENGINE #2 SPINNER CONE WORN. GROUNDED - YES. REPLACED ENGINE SPINNER REF ASA TASK CARD 78472010.
- [SDR ASAA2023042943047](https://openairdocs.org/sdr/ASAA2023042943047), Apr 29, 2023: UNKNOWN. UNKNOWN. INFLIGHT SATCOM LOCK-UP. GROUNDED - YES. QRH PROCEDURE PERFORMED. SATCOM RESTORED.
- [SDR ASAA2023041742911](https://openairdocs.org/sdr/ASAA2023041742911), Apr 17, 2023: UNKNOWN. UNKNOWN. SATCOM LOCKUP. GROUNDED - YES. QRH COMPLETED SUCCESSFULLY.
- [SDR ASAA2023022442083](https://openairdocs.org/sdr/ASAA2023022442083), Feb 24, 2023: UNKNOWN. UNKNOWN. PREDICTIVE WINDSHEAR ALERT FAIL (PWS FAIL) DURING TAKE OFF ROLL. RADAR WORKED GOOD IN CRUISE. GROUNDED - YES. ACCOMP B737-900 FIM 34-43 TASKS 815 & 801, SYS OPS
- [SDR ASAA2023011041957](https://openairdocs.org/sdr/ASAA2023011041957), Jan 10, 2023: LEVER. FAULTY. ENGINE 1 LONG TIME FAULT MSG # 73-10191 INTERNAL EEC FAULT. GROUNDED - YES. REPLACED #1 ENGINE START LEVER REF B737-900 AMM 76-11-02.
- [SDR ASAA2023010951435](https://openairdocs.org/sdr/ASAA2023010951435), Jan 5, 2023: WARNING LIGHT. FALSE ACTIVATION. CONT CABIN ZONE TEMP LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. GROUNDED - YES. REF B737-900 FIM 21-62 TASK 848 NO FAULTS DETECTED AT THIS TIME.
- [SDR ASAA2023010541442](https://openairdocs.org/sdr/ASAA2023010541442), Jan 5, 2023: ANTI-ICE VALVE. STUCK. ON DESCENT IN TO SEATTLE, THE LEFT COWL VALVE GOT STUCK CLOSED. WHEN WE TRIED LATER, THE VALVE WORKED AS IT IS SUPPOSED TO. GROUNDED - YES. REMOVED AND REPLACED
- [SDR ASAA2022123141330](https://openairdocs.org/sdr/ASAA2022123141330), Dec 31, 2022: SATCOM. LOCKED. SATCOM LOCK UP GROUNDED - YES. SATCOM DISPLAY RE-ESTABLISHED VIA QRH.
- [SDR ASAA2022121841200](https://openairdocs.org/sdr/ASAA2022121841200), Dec 18, 2022: MODULATING VALVE. FAILED. LEFT PACK LIGHT COMES ON WITH RECALL. IT EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. CONFIRMED FAULT, NR 1 PACK/ZONE TEMP CONTROLLER SHOWS HARD FAIL
- [SDR ASAA2022121941150](https://openairdocs.org/sdr/ASAA2022121941150), Dec 14, 2022: MODULATING VALVE. FAILED. CONT CAB ZONE TEMP ON RECALL. GOES OUT WITH RESET. GROUNDED - YES. CONFIRMED FAULT, NR 2 PACK/ZONE TEMP CONTROLLER SHOWS HARD FAIL "FLIGHT DECK" TCV (V143). REM
- [SDR ASAA2022121041092](https://openairdocs.org/sdr/ASAA2022121041092), Dec 10, 2022: ANTI-ICE VALVE. INOPERATIVE. #1 ENGINE ANTI-ICE VALVE DOES NOT ACTUATE WITH THRUST AT IDLE. THRUST NEEDS TO BE INCREASED TO GET VALVE TO MOVE. GROUNDED - YES. PERFORMED ENG#1 IDLE RUN PER B
- [SDR ASAA2022120141002](https://openairdocs.org/sdr/ASAA2022120141002), Dec 1, 2022: WARNING MESSAGE. FALSE ACTIVATION. ZONE TEMP CONT CAB. RESET WITH RECALL. GROUNDED - YES. ON FIRST BITE ATTEMPT, "FLT DECK TRIM VALVE" LIGHT ILLUMINATED ON "BIT" STEP AND "PREV FLT" STEP, BUT EXT
- [SDR ASAA2022112940977](https://openairdocs.org/sdr/ASAA2022112940977), Nov 29, 2022: ACCESS DOOR. LEAKING. RH WING CENTER TANK PANEL 631BB ACCESS DOOR (6), HAS A SMALL FUEL LEAK. GROUNDED - YES. RETORQUED RH CENTER FUEL TANK PANEL LWR 631BB ACCESS DOOR (6) IN REF TO 
- [SDR ASAA2022112840978](https://openairdocs.org/sdr/ASAA2022112840978), Nov 28, 2022: GASKET. LEAKING. RH WING FUEL PANEL 632KB SMALL FUEL LEAK. GROUNDED - YES. REMOVED PANEL #632KB ON RH WING. REPLACED GASKET & REINSTALLED RH WING LOWER FUEL 632KB IN REF TO B737
- [SDR ASAA2022112040857](https://openairdocs.org/sdr/ASAA2022112040857), Nov 20, 2022: BATTERY PACK. DISCHARGED. DURING ACCOMPLISHMENT OF ASA T/C 78233008 OPS CHECK OF EMERGENCY LIGHTS AISLE EMERGENCY LIGHT AT SEAT ROW 27ABC IS INOP. GROUNDED - YES. VERIFIED- INSTALLED NEW
- [SDR ASAA2022110640657](https://openairdocs.org/sdr/ASAA2022110640657), Nov 6, 2022: OUTFLOW VALVE. LEAKING. ASA TECH SERVICE REQUEST. FOLLOW UP TO CONTINUING REPORTS OF SQUEALING NOISE IN AFT GALLEY BY R-2 DOOR. GROUNDED - YES. REMOVED AND REPLACED OUTFLOW VALVE WITH 
- [SDR ASAA2022110540650](https://openairdocs.org/sdr/ASAA2022110540650), Nov 5, 2022: WARNING LIGHT. FALSE ACTIVATION. WITH ENGINE ANTI-ICE ON L/H ENG ANTI-ICE COWL VALVE OPEN LIGHT REMAINS BRIGHT BLUE AND L/H TAI AMBER LIGHT ILLUMINATES. GROUNDED - YES. PERFORMED B737-900 FIM 3
- [SDR ASAA2022110440627](https://openairdocs.org/sdr/ASAA2022110440627), Nov 4, 2022: OUTFLOW VALVE. LEAKING. FLIGHT ATTENDANTS REPORT LOUD SQUEALING SOUND ENROUTE AT ALTITUDE. PRESSURIZATION NORMAL. SQUEAL DIMINISHED @ 4 PSI DIFFERENTIAL. GROUNDED - YES. REMOVED AND RE

All 213: https://openairdocs.org/aircraft/N493AS/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/N493AS/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.