# N434AS: 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: 61620
- Year built: 2016
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: March 15, 2016
- Certificate issued: March 22, 2016
- Expires: March 31, 2029
- Mode S code: A5320B
- 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=434AS
- Page: https://openairdocs.org/aircraft/N434AS

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/N434AS/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 N434AS.

## FAA accident and incident reports

None matched to N434AS.

## Service difficulty reports (176, 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 ASAA2026013064061](https://openairdocs.org/sdr/ASAA2026013064061), Jan 30, 2026: DOOR. NO DISCREPANCY. CATERING REPORTS L2 DOOR HARD TO OPEN. GROUNDED - YES. OPENED AND CLOSED THE L2 DOOR 2X REF AMM 52-13-00. OPS NORMAL.
- [SDR ASAA2026012563975](https://openairdocs.org/sdr/ASAA2026012563975), Jan 25, 2026: DOOR. MALFUNCTIONED. CREW REPORTED L2 DOOR WILL NOT OPEN. GROUNDED - YES. INITIALLY FOUND DIFFICULT TO OPEN FROM INSIDE & OUTSIDE. DOOR WILL UNLOCK BUT WOULD NOT CLOCK TO ROTATE. ON
- [SDR ASAA2025122363304](https://openairdocs.org/sdr/ASAA2025122363304), Dec 23, 2025: SEAL. DETACHED. L2 DOOR CATCHING ON SEAL. DOOR WOULD NOT OPEN. GROUNDED - YES. SECURED L2 DOOR INTERIOR SEAL. NOT PRESSURIZATION SEAL WITH NON-FLAMMABLE TAPE TO PREVENT DOOR FR
- [SDR ASAA2025101361575](https://openairdocs.org/sdr/ASAA2025101361575), Oct 13, 2025: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS FAILED OPS CHECK. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PPACK M267 IAW B737-900 AMM 33-31-06-960-805 OP CHECKS GOOD IAW 
- [SDR ASAA2025100161416](https://openairdocs.org/sdr/ASAA2025100161416), Oct 1, 2025: FLOORBEAM. CRACKED. STA 540 RBL 0 PANEL BREAK IS CRACKED. GROUNDED - YES. REMOVED AND REPLACED PANEL BREAK IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2025092661317](https://openairdocs.org/sdr/ASAA2025092661317), Sep 26, 2025: RAIL. CORRODED. FWD CARGO AFT BULKHEAD R/H SUPPORT CORRODED RBL 30 TO 35 STA 500L. GROUNDED - YES. REMOVED DAMAGE FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-30-08-1A-1. RE
- [SDR ASAA2025092261316](https://openairdocs.org/sdr/ASAA2025092261316), Sep 22, 2025: FLOORBEAM. CRACKED. STA 540, LBL 0 PANEL BREAK IS CRACKED. GROUNDED - YES. REMOVED AND REPLACED PANEL BREAK ON STA 540 LBL 0, IAW B737-900 SRM 51-40-02-0G-0.
- [SDR ASAA2025091961622](https://openairdocs.org/sdr/ASAA2025091961622), Sep 19, 2025: BAFFLE. CRACKED. FWD CARGO BAFFLE CLIP CRACKED FWD SIDE STA 500K RBL 30. GROUNDED - YES. REMOVED AND REPLACED BAFFLE CLIP IAW B737-900ER SRM 51-40-02-0G-0.
- [SDR ASAA2025091961320](https://openairdocs.org/sdr/ASAA2025091961320), Sep 19, 2025: TRANSITION PANEL. CORRODED. AFT CARGO TRANSITION CORRODED STA 787 TO 727B RBL 30. GROUNDED - YES. REMOVED CORROSION TRANSITION FOUND TO BE OUT OF LIITS, REMVOED AND REPLACED TRANSITION IAW
- [SDR ASAA2025091961319](https://openairdocs.org/sdr/ASAA2025091961319), Sep 19, 2025: RAIL. CORRODED. FWD CARGO AFT BULKHEAD LOWER SUPPORT CORRODED STA 500L RBL 30 TO LBL 30. GROUNDED - YES. REMOVED CORROSION ON LOWER RAIL FOUND TO BE OUT OF LIMITS, REMOVED AND 
- [SDR ASAA2025091961318](https://openairdocs.org/sdr/ASAA2025091961318), Sep 19, 2025: TRANSITION PANEL. CORRODED. AFT CARGO TRANSITION CORRODED STA 787 TO 727B LBL 30. GROUNDED - YES. REMOVED CORROSION TRANSITION FOUND TO BE OUT OF LIMITS, REMOVED AND REPLACED TRANSTITION P
- [SDR ASAA2025091961184](https://openairdocs.org/sdr/ASAA2025091961184), Sep 19, 2025: WEB. CORRODED. AFT CARGO SCUFF PLATE WEB CORRODED STA 847 TO 787 RBL 40. GROUNDED - YES. REMOVED CORROSION ON AFT CARGO DOOR SCUFF PLATE WEB AND FOUND TO BE OUT OF LIITS IAW B
- [SDR ASAA2025091961183](https://openairdocs.org/sdr/ASAA2025091961183), Sep 19, 2025: SHIELD. CORRODED. AFT CARGO FWD SHEILD CORRODED STA 787 TO 767 RBL 30. GROUNDED - YES. REMOVED AND REPLACED AFT CARGO FWD SHIELD AT STA 787 TO 767 RBL 30 IAW BOEING 737-900ER SRM
- [SDR ASAA2025091961112](https://openairdocs.org/sdr/ASAA2025091961112), Sep 19, 2025: SHIELD. CORRODED. AFT CARGO AFT SHIELD CORRODED STA 847 TO 867 RBL 30. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT LIMITS REMOVED AND REPLACED SHIELD IAW B737-900ER SRM 51-
- [SDR ASAA2025091662033](https://openairdocs.org/sdr/ASAA2025091662033), Sep 16, 2025: POWER SUPPLY. INOPERATIVE. FCF INDUCTION FLIGHT DISC 12 - AFTER RIGHT SECTION OF EMERGENCY EXIT LIGHTS INOP ROW 17FED THROUGHJ ROW 29FED. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY BA
- [SDR ASAA2025052858311](https://openairdocs.org/sdr/ASAA2025052858311), May 28, 2025: POWER SUPPLY. INOPERATIVE. LH OVERWING & 2 LH MID CABIN AISLE EMERGENCY LIGHTS INOP. GROUNDED - YES. REMOVED + REPLACED L/H SIDE EMERGENCY EXIT POWER SUPPLY BY 10ABC IAW AMM 33-51-06. OPS
- [SDR ASAA2025020655794](https://openairdocs.org/sdr/ASAA2025020655794), Feb 6, 2025: DOOR. BINDING. FA'S REPORT L2 DOOR IS DIFFICULT TO OPERATE. GROUNDED - YES. PERFORMED GVI OF DOOR AND SURROUND NO DEFECTS NOTED. COMPLETED AFT ENTRY DOOR SYSTEM TEST AMM 52-13
- [SDR ASAA2025010755129](https://openairdocs.org/sdr/ASAA2025010755129), Jan 7, 2025: BATTERY PACK. DISCHARGED. FOUND AFT F/A EMERGENCY LIGHT SWITCH IN THE "ON" POSITION. GROUNDED - YES. CHARGED BATTERY PACKS REF AMM 33-51-06 FOUND BATTERY PACK M1670 DEAD. REPLACED M1670 
- [SDR ASAA2023103045917](https://openairdocs.org/sdr/ASAA2023103045917), Oct 30, 2023: POWER SUPPLY. MALFUNCTIONED. EMERGENCY LIGHTING ABOVE ROW 25DEF AND 29DEF FLICKERED ON/OFF DURING FLIGHT. GROUNDED - YES. COULD NOT VERIFY FLICKERING. ALL INTERIOR EMERGENCY LTS STAY ON WHE
- [SDR ASAA2023101945782](https://openairdocs.org/sdr/ASAA2023101945782), Oct 19, 2023: UNKNOWN. UNKNOWN. EMERGENCY AISLE LIGHT ABOVE OVERHEAD BINS AT SEATS 25 AND 29, RIGHT SIDE, ARE FLASHING CONTINUOUSLY. GROUNDED - YES. VERIFIED EMERGENCY LIGHT SECURED CHECK OKAY
- [SDR ASAA2023101945744](https://openairdocs.org/sdr/ASAA2023101945744), Oct 19, 2023: UNKNOWN. UNKNOWN. ROW 25 + 29 AC RIGHT OVERHD EMGNCY LIGHTS FLASHING INTERMINTTENTLY. GROUNDED - YES. OPS CHECKED EMERGENCY LIGHT SYS AMM 33-51-00-710-801 CHECKED GOOD.
- [SDR ASAA2023092545364](https://openairdocs.org/sdr/ASAA2023092545364), Sep 25, 2023: POWER SUPPLY. INOPERATIVE. BATTERY WON'T HOLD CHARGE AND CHARGER WON'T CHARGE BATTERY GROUNDED - YES. REPLACED POWER SUPPLY S/N 129757.
- [SDR ASAA2023092245311](https://openairdocs.org/sdr/ASAA2023092245311), Sep 22, 2023: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS AT L1 DOOR AND INSIDE CABIN NOT WORKING. GROUNDED - YES. REPLACED ALL APPLICABLE EMERGENCY LIGHT POWER SUPPLY OPS CHECK GOOD IAW 737-900 AMM 33
- [SDR ASAA2023082044668](https://openairdocs.org/sdr/ASAA2023082044668), Aug 20, 2023: OUTFLOW VALVE. NOISE. ON DESCENT FROM 18,000 TO LANDING, FA'S NOTED L2 DOOR SQUEAL, FA COMMUNICATIONS WERE NOT EFFECTED AND NO AIRCRAFT PRESSURIZATION ISSUES NOTED. GROUNDED - YES. R
- [SDR ASAA2023080544505](https://openairdocs.org/sdr/ASAA2023080544505), Aug 5, 2023: LINE. LEAKING. #2 ENGINE OIL TREND DATA SHOWS OIL CONSUMPTION TO GREATER THAN EXPECTED.(#PRI2) ENGINE POWER RUN REQUIRED. GROUNDED - YES. (RESOLVED ON W/O: 1964524 TASKCARD: N
- [SDR ASAA2023080544449](https://openairdocs.org/sdr/ASAA2023080544449), Aug 5, 2023: UNKNOWN. UNKNOWN. REFUEL PANEL INDICATORS SHOWING BLANK. GROUNDED - YES. (RESOLVED ON W/O: 1964524 TASKCARD: N/R-00002 ) COULD NOT DUPLICATE FOUND POWER CONTROL SWITCH TARGET OUT
- [SDR ASAA2023072544232](https://openairdocs.org/sdr/ASAA2023072544232), Jul 25, 2023: SWITCH. FAULTY. REF. T/C 78273000 #1 ENG. HAS FAULT MESSAGE 73-303111 " THE START SWITCH SIGNAL AND ARINC BUS DATA DISAGREE" SHORT TIME FAULT. GROUNDED - YES. (RESOLVED ON W/O:
- [SDR ASAA2023072044145](https://openairdocs.org/sdr/ASAA2023072044145), Jul 20, 2023: OUTFLOW VALVE. LEAKING. WHISTLE OF AIR/SQEALING SOUND COMING FROM L2 DOOR: STARTED AT TAKEOFF & STOPPED AT LANDING. NO ABNORMAL LIGHTS OR INDICATIONS FROM FLIGHT DECK. DIDNT EFFECT A/C
- [SDR ASAA2023071644075](https://openairdocs.org/sdr/ASAA2023071644075), Jul 16, 2023: UNKNOWN. UNKNOWN. FUELING PANEL HAS NO POWER, CYCLED A/C POWER WITH NO CHANGE. GROUNDED - YES. PERFORMED OP CHECK OF REFUELING PANEL, CHECKED GOOD REF AMM 28-41-01 (C/B WAS RESET
- [SDR ASAA2023071544035](https://openairdocs.org/sdr/ASAA2023071544035), Jul 15, 2023: UNKNOWN. UNKNOWN. PER TC 78273000 INTERROGATION OF FMC CDU ENGINE #2 FAULT SHOWS FAULT CODE 75-30452, VBV POSITION SIGNALS DISAGREE ON FLIGHT LEG 3 SHORT TIME FAULT. GROUNDED - Y
- [SDR ASAA2023052943388](https://openairdocs.org/sdr/ASAA2023052943388), May 29, 2023: GUIDE VANE. NICKED. FOUND #2 ENG OGV AT 12 O'CLOCK HAS A NICK ON THE LEADING EDGE. GROUNDED - YES. REPLACED #2 ENG OGV AT 12 O'CLOCK POSITION IAW B737-900 AMM 72-23-01.
- [SDR ASAA2023050943188](https://openairdocs.org/sdr/ASAA2023050943188), May 9, 2023: UNKNOWN. UNKNOWN. SATCOM LOCK-UP GROUNDED - YES. QRH SATCOM LOCK-UP PROCEDURE PERFORMED.
- [SDR ASAA2023050143126](https://openairdocs.org/sdr/ASAA2023050143126), May 1, 2023: SWITCH. DEFECTIVE. HF/SAT XFER SWITCH WILL NOT GO INTO SAT ON HF/SAT #1. GROUNDED - YES. REMOVED & REPLACED HF/SAT TRANSFER PANEL, B737-900 AMM REF 23-15-00/401.
- [SDR ASAA2023031742419](https://openairdocs.org/sdr/ASAA2023031742419), Mar 17, 2023: UNKNOWN. UNKNOWN. #6 BLADE ON THE #1 ENGINE HAS A KNICK. GROUNDED - YES. ACCOMPLISHED FOD INSPECTION #1 ENGINE REF B737-900 AMM 05-52-00/601 AND ACCOMPLISHED GVI OF THE #1 ENGINE
- [SDR ASAA2023031242316](https://openairdocs.org/sdr/ASAA2023031242316), Mar 12, 2023: CHARGER. ARCED. REF ASA LP 60513046, REF B737-900 AMM 24-31-21 ATTEMPTED REPLACEMENT OF MAIN BATTERY CHARGER(M5) BP FROM SWA, FOUND BURN MARKS ON FLOOR PANEL BELOW AUX BATTERY 
- [SDR ASAA2023030942292](https://openairdocs.org/sdr/ASAA2023030942292), Mar 9, 2023: BATTERY. FAULTY. AFTER START ELEC LIGHT ILLUMINATED ON OVHD PANEL AND BATTERY DISCHARGE LIGHT ILLUMINATED ON SHUTDOWN. GROUNDED - YES. REMOVED AND REPLACED MAIN BATTERY CHARGER 
- [SDR ASAA2023030742227](https://openairdocs.org/sdr/ASAA2023030742227), Mar 7, 2023: PANEL. NONE. MODE CONTROL PANEL HEADING WINDOW HAS DISTORTION NEAR CENTER OF DISPLAY. GROUNDED - YES. REMOVED AND REPLACED MCP. REF B737-900 AMM 22-11-34
- [SDR ASAA2023022642080](https://openairdocs.org/sdr/ASAA2023022642080), Feb 26, 2023: UNKNOWN. UNKNOWN. LEFT FMC FAILED THAN CAME BACK AFTER A MINUTE. GROUNDED - YES. LEFT FMC RECOVERED, RESET BOTH FMC'S PER B737-900 FIM 34-61 TASK 836NO FAULTS NOTED.
- [SDR ASAA2023010741457](https://openairdocs.org/sdr/ASAA2023010741457), Jan 7, 2023: SPACER. DEBONDED. WHILE ACCOMPLISHING T/C 78472010, #2 ENG FAN LUBE, 6 EA. SPACERS FOUND DISBONDED. GROUNDED - YES. REMOVED & REPLACED SPACERS (6,7,10, 15, 20, & 21) PER T/C 7847
- [SDR ASAA2022123141335](https://openairdocs.org/sdr/ASAA2022123141335), Dec 31, 2022: WINDOW. FAULTED. LT SIDE WINDOW OVERHEAT LIGHT CAME ON CYCLED AND CAME BACK ON. GROUNDED - YES. REMOVED AND REPLACED L2 WINDOW REF B737-900 AMM 56-12-11-400-801, OPS AND LEAK CH
- [SDR ASAA2022122941310](https://openairdocs.org/sdr/ASAA2022122941310), Dec 29, 2022: WIRE. FAULTED. AFTER ROTATION, THE MASTER CAUTION AND L SIDE (L20) WINDOW OVERHEAT ILLUMINATED. WE RAN THE QRH AND THE CAUTION EXTINGUISHED. 30 SECS LATER, CAUTION ILLUMINATED
- [SDR ASAA2022121041100](https://openairdocs.org/sdr/ASAA2022121041100), Dec 10, 2022: SPACER. WORN. WHILE DOING T/C # 78472010 FAN BLADE LUBE. FOUND #1 ENG SPACERS AT #12,17,18,20,21,23, AND 24 POSITION WORN. GROUNDED - YES. REMOVED AND REPLACED #1 ENG SPACERS
- [SDR ASAA2022111340755](https://openairdocs.org/sdr/ASAA2022111340755), Nov 13, 2022: SPACER. DEBONDED. WHILE ACCOMPLISHING T/C #78472010, FAN BLADE LUBRICATION, FOUND ELASTOMER ON SPACERS # 1,2,4,7,8,9,13,16 AND 19 DISBONDED. REQUIRE REPLACEMENT. GROUNDED - YES. 
- [SDR ASAA2022101340311](https://openairdocs.org/sdr/ASAA2022101340311), Oct 13, 2022: PRESSURE PANEL. FAULTED. AUTO FAIL LIGHT ILLUMINATED ON PRESSURIZATION PANEL ALONG WITH ALTN LIGHT, MOVED SELECTOR TO ALTN PER QRH. PRESSURIZATION NORMAL. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2022091039914](https://openairdocs.org/sdr/ASAA2022091039914), Sep 10, 2022: FLOW SENSOR. FAULTY. CLIMBING TO FL350 PRESSURE CABIN CLIMB RATE WOULD CLIMB AND DESCEND BACK & FOURTH RAPIDLY TO A RATE OF 500FT TO 2,000 FT PROBLEM SEEMED TO INCREASE WITH FULL PO
- [SDR ASAA2022090839907](https://openairdocs.org/sdr/ASAA2022090839907), Sep 8, 2022: CONTROL VALVE. FAILED. AT CRUISE FL380, NUMEROUS PRESSURIZATION BUMPS EXPERIENCED OVER 1-2 HOUR PERIOD. CABIN CLIMB INDICATOR WOULD FLUCTUATE BETWEEN 500-700 FPM CLIMB AND 500-1000 FP
- [SDR ASAA2022082139601](https://openairdocs.org/sdr/ASAA2022082139601), Aug 21, 2022: CONTROL VALVE. LEAKING. AT FL350 CABIN RATE OF CLIMB CONSTANTLY CLIMBS / DESCENDS +/- 500 FPM WITH OCCASIONAL SPIKE OF 1700 FPM. N1 STABLE AT 89.2, CABIN DIFF AT 7.8, CABIN ALT 7000FT.
- [SDR ASAA2022081139473](https://openairdocs.org/sdr/ASAA2022081139473), Aug 11, 2022: SOFTWARE. OUT OF DATE. NAV DATA BASE OUT OF DATE. GROUNDED - YES. ACCOMPLISHED ASA TASK CARD N1920483, NAV DATABASE IS NOW CURRENT.
- [SDR ASAA2022080239322](https://openairdocs.org/sdr/ASAA2022080239322), Aug 2, 2022: MCU. FAILED. NO SAT PROMPT ON CA SIDE MCDU MENU. APPEARS AS NORMAL ON FO SIDE ALONG WITH ALL SELECTABLE SAT OPTIONS. GROUNDED - YES. PREFORMED SATCOM COMMUNICATION SYSTEM CH
- [SDR ASAA2022062638854](https://openairdocs.org/sdr/ASAA2022062638854), Jun 26, 2022: EEC. FAULT MESSAGE. DURING ACCOMPLISHMENT OF T/C78273000 #2 ENG HAS SHORT TIME FAULT MSG 73-21282. THIS IS A 50 FLT HOUR SHORT TIME FAULT. GROUNDED - YES. PERFORMED B737-900 FIM 73

All 176: https://openairdocs.org/aircraft/N434AS/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/N434AS/stcs.md

## Related

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

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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.