# N538AS: 2012 Boeing 737-890

- Status: Valid registration
- Airframe: [Boeing 737-890](https://openairdocs.org/model/boeing-737-890) (registry code 1384527, 149 seats)
- Engine: [CFM International CFM56-7B27 series](https://openairdocs.org/engine/cfm-international-cfm56-7b27-series) (registry code 13046)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 41188
- Year built: 2012
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: May 21, 2012
- Certificate issued: May 22, 2012
- Expires: May 31, 2028
- Mode S code: A6CE36
- 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=538AS
- Page: https://openairdocs.org/aircraft/N538AS

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 CFM56-7B27 model are included.

## ADs that may apply (OpenAirDocs): 345 in force

### Matched by airframe (Boeing 737-890)

- [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 2025-05-16](https://openairdocs.org/ad/2025-05-16): Fuselage · Boeing 737-800 Series. Effective Apr 22, 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 2024-18-08](https://openairdocs.org/ad/2024-18-08): Equipment/furnishings · Boeing 737-300 Series, 737-400 Series and 737-800 Series. Effective Nov 15, 2024
- [AD 2024-18-07](https://openairdocs.org/ad/2024-18-07): Equipment/Furnishing · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Nov 12, 2024
- [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 2024-01-06](https://openairdocs.org/ad/2024-01-06): Fuselage · Boeing 737-600 Series, 737-700 Series and 737-800 Series. Effective Mar 7, 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 2022-18-13](https://openairdocs.org/ad/2022-18-13): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Oct 31, 2022
- [AD 2022-13-18](https://openairdocs.org/ad/2022-13-18): Oxygen · Boeing 737-700 Series, 737-800 Series, 747-8 Series and 3 more. Effective Sep 15, 2022
- [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 2022-08-05](https://openairdocs.org/ad/2022-08-05): Fuselage · Boeing 737-800 Series. Effective May 27, 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 2021-21-09](https://openairdocs.org/ad/2021-21-09): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Dec 13, 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 2021-02-14](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 2021-02-13](https://openairdocs.org/ad/2021-02-13): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 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 2019-22-06](https://openairdocs.org/ad/2019-22-06): Fuel · Boeing 737-800 Series with STC ST00830SE. Effective Dec 30, 2019

### Matched by engine (CFM International CFM56-7B27 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 2022-02-03](https://openairdocs.org/ad/2022-02-03): Turbine Engine Accessory Drive · CFM International CFM56-3, CFM56-3B, CFM56-3C and 34 more. Effective Mar 22, 2022
- [AD 2021-16-08](https://openairdocs.org/ad/2021-16-08): Turbine Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 55 more. Effective Sep 28, 2021
- [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 2010-13-09](https://openairdocs.org/ad/2010-13-09): Stage 3 low-pressure turbine (LPT) · CFM International CFM56-5, CFM56-5-A1/F, CFM56-5A4 and 88 more. Effective Jul 26, 2010
- [AD 2010-01-05](https://openairdocs.org/ad/2010-01-05): LP turbine rear frames · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 25 more. Effective Feb 18, 2010
- [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
- [AD 2008-03-09](https://openairdocs.org/ad/2008-03-09): Low pressure turbine rear frames (TRFs) · CFM International CFM56-7B18, CFM56-7B20, CFM56-7B22 and 10 more. Effective Mar 10, 2008
- [AD 2006-26-01](https://openairdocs.org/ad/2006-26-01): Fuel filters · CFM International CFM56-2, CFM56-2A, CFM56-2B and 93 more. Effective Jan 3, 2007
- [AD 2002-16-18](https://openairdocs.org/ad/2002-16-18): Low pressure turbine (LPT) nozzle segments · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 33 more. Effective Sep 18, 2002
- [AD 2002-13-03](https://openairdocs.org/ad/2002-13-03): Turbofan Engines · CFM International CFM56-2, CFM56-2A, CFM56-2B and 55 more. Effective Aug 1, 2002
- [AD 2001-11-05](https://openairdocs.org/ad/2001-11-05): No. 4 Bearings · CFM International CFM56-2, CFM56-2B, CFM56-3 and 45 more. Effective Jun 11, 2001
- [AD 2001-02-12](https://openairdocs.org/ad/2001-02-12): On-Wing Torque Inspection · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 11 more. Effective Feb 14, 2001
- [AD 98-21-23](https://openairdocs.org/ad/98-21-23): Electronic Engine Control · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 10 more. Effective Nov 2, 1998
- [AD 98-19-20](https://openairdocs.org/ad/98-19-20): Hydromechanical Unit · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 7 more. Effective Oct 7, 1998
- [AD 98-14-51](https://openairdocs.org/ad/98-14-51): Accessory Gearbox · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 10 more. Effective Oct 1, 1998

### 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 2013-24-13](https://openairdocs.org/ad/2013-24-13) (historical): Fuselage · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 8 more. Effective Jan 7, 2014
- [AD 2013-19-04](https://openairdocs.org/ad/2013-19-04) (historical): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Nov 4, 2013
- [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 2012-21-08](https://openairdocs.org/ad/2012-21-08) (historical): Auto Flight · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Nov 27, 2012
- [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 2010-17-05](https://openairdocs.org/ad/2010-17-05) (historical): Fuel system · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Sep 22, 2010
- [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 2009-24-07](https://openairdocs.org/ad/2009-24-07) (historical): Landing gear · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 1 more. Effective Jan 4, 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 2009-01-02](https://openairdocs.org/ad/2009-01-02) (historical): Air conditioning (A/C) outlet · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Feb 27, 2009
- [AD 2008-12-04](https://openairdocs.org/ad/2008-12-04) (historical): Fuselage skin · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Jul 16, 2008
- [AD 2008-10-10](https://openairdocs.org/ad/2008-10-10) (historical): New limitations for fuel tank systems · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Jun 12, 2008
- [AD 2008-08-24](https://openairdocs.org/ad/2008-08-24) (historical): Drain tube assemblies · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective May 27, 2008
- [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 2007-06-52](https://openairdocs.org/ad/2007-06-52) (historical): Spoilers · Boeing 737-800 Series. Effective May 7, 2007
- [AD 2007-06-51](https://openairdocs.org/ad/2007-06-51) (historical): Flight spoiler actuator jams · Boeing 737-800 Series
- [AD 2006-10-17](https://openairdocs.org/ad/2006-10-17) (historical): Compass bracket assembly · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Jun 22, 2006
- [AD 2005-24-03](https://openairdocs.org/ad/2005-24-03) (historical): Nacelle support fittings and the lower wing skin panels · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 1 more. Effective Dec 28, 2005
- [AD 2005-25-03](https://openairdocs.org/ad/2005-25-03) (historical): Point "D" splice fitting · Boeing 737-700 Series, 737-700C Series and 737-800 Series. Effective Dec 21, 2005
- [AD 2005-12-05](https://openairdocs.org/ad/2005-12-05) (historical): Flight deck door · Reinforced cockpit door (Safran Cabin STC ST01335LA or 2 others). Effective Jul 19, 2005
- [AD 2005-07-20](https://openairdocs.org/ad/2005-07-20) (historical): Flight control computers · Boeing 737-600 Series, 737-700 Series, 737-800 Series and 1 more. Effective May 12, 2005
- [AD 2005-05-18](https://openairdocs.org/ad/2005-05-18) (historical): Webs of the aft pressure bulkhead · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Apr 18, 2005
- [AD 2003-14-04](https://openairdocs.org/ad/2003-14-04) (historical): Flight Deck Door Pressure Relief Latch Assemblies · Boeing 737-200 Series, 737-300 Series, 737-400 Series and 14 more. Effective Jul 25, 2003
- [AD 2003-03-01](https://openairdocs.org/ad/2003-03-01) (historical): Aft Engine Mount · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Feb 13, 2003
- [AD 2002-18-52](https://openairdocs.org/ad/2002-18-52) (historical): Fuel Pumps · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 4 more
- [AD 2002-16-03](https://openairdocs.org/ad/2002-16-03) (historical): Main landing gear (MLG) · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 2 more. Effective Aug 27, 2002
- [AD 2001-06-08](https://openairdocs.org/ad/2001-06-08) (historical): Elevator Hinge Plates · Boeing 737-600 Series, 737-700 Series and 737-800 Series. Effective Apr 9, 2001

All 408: https://openairdocs.org/aircraft/N538AS/ads.md

## Information bulletins (advisory) (19 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 2025-08](https://openairdocs.org/saib/2025-08): INDICATING/RECORDING SYSTEM, Erroneous Illumination of Cabin Altitude Warning Lights in High Altitude Landing Mode. Issued Sep 8, 2025
- [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-09-03](https://openairdocs.org/saib/NM-09-03): Engine Fuel and Control - Implementing Fuel Tank System Airworthiness Limitations. Issued Dec 11, 2008
- [SAIB NM-08-43](https://openairdocs.org/saib/NM-08-43): Cabin Equipment/Furnishings - Seats. Issued Sep 3, 2008
- [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-06-57](https://openairdocs.org/saib/NM-06-57): Reports of damage to airplanes and to property on the ground caused by blue or clear ice falling from airplanes.. Issued Jul 27, 2006
- [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
- [SAIB NE-08-17R1](https://openairdocs.org/saib/NE-08-17R1) (historical): Propulsion Technology LLC Unapproved Repair. Issued May 22, 2008
- [SAIB NE-08-17](https://openairdocs.org/saib/NE-08-17) (historical): Propulsion Technologies International Unapproved Repair. Issued May 14, 2008

## NTSB investigations

None matched to N538AS.

## FAA accident and incident reports

None matched to N538AS.

## Service difficulty reports (345, 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 ASAA2026090368923](https://openairdocs.org/sdr/ASAA2026090368923), Sep 3, 2026: WEB. CORRODED. AFT PIT CARGO SILL WEB HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FOUND TO BE OUT LIMITS, REMOVED AND REPLACED AFT PIT CARGO SILL WEB IAW B737-800 SRM 51-40-
- [SDR ASAA2026090368922](https://openairdocs.org/sdr/ASAA2026090368922), Sep 3, 2026: CARGO TRACK. CORRODED. AFT CARGO TRACK INBD OF SILL WEB HAD CORROSION. GROUNDED - YES. REMOVED DAMAGE, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2, REPAIRED AFT CARGO TRACK INBD O
- [SDR ASAA2026090368753](https://openairdocs.org/sdr/ASAA2026090368753), Sep 3, 2026: DOOR SILL. CORRODED. FWD CARGO SILL WEB HAS CORROSION. GROUNDED - YES. REMOVED AND REPLACED FWD CARGO SILL WEB P/N 654A0003-58 T/N AS62881 IAW SRM 51-40-02-0G-0.
- [SDR ASAA2026050765947](https://openairdocs.org/sdr/ASAA2026050765947), May 7, 2026: POWER SUPPLY. INOPERATIVE. FORWARD RT GALLEY EMERGENCY LIGHTS INOP. GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M02816 REF AMM 33-51-06. FORWARD R/H GALLEY EMERGENCY LIGHTS OPS CHEC
- [SDR ASAA2026050765946](https://openairdocs.org/sdr/ASAA2026050765946), May 7, 2026: POWER SUPPLY. INOPERATIVE. LEFT HAND OVERWING EMERGENCY EXIT SIGNS ABOVE DOORS, FORWARD LEFT-HAND LOWER EXIT LIGHT AND FORWARD RIGHT-HAND LOWER EXIT LIGHT INOP. GROUNDED - YES. REMOVED AN
- [SDR ASAA2025110462085](https://openairdocs.org/sdr/ASAA2025110462085), Nov 4, 2025: COVER. MISSING. DURING DEPLANING, FOUND EMERGENCY EXIT LIGHT COVER MISSING ON ROW 16A. GROUNDED - YES. REPLACED EMERGENCY EXIT LIGHT REF AMM 33-51-01. OK FOR SVC.
- [SDR ASAA2025101761713](https://openairdocs.org/sdr/ASAA2025101761713), Oct 17, 2025: LIGHT. NO DISCREPANCY. EMERGENCY LIGHTS ON WHEN EMERGENCY LIGHT SWITCH IN ARMED POSITION. GROUNDED - YES. C/W EMERGENCY LIGHT OPS CK+ NO DEFECTS NOTED REF AMM 33-51-00. SEAMC WILL NOT
- [SDR ASAA2025082960921](https://openairdocs.org/sdr/ASAA2025082960921), Aug 29, 2025: ANGLE. CORRODED. WHILE GAINING ACCESS FOR REPAIR IN AFT CARGO FOUND AREAS OF CORROSION ON LH TRANSITION FROM FS727 TO FS 849. GROUNDED - YES. REMOVED CORROISON FOUND TO BE OUT O
- [SDR ASAA2025082860922](https://openairdocs.org/sdr/ASAA2025082860922), Aug 28, 2025: TRANSITION PANEL. CORRODED. WHILE GAINING ACCESS FOR REPAIR IN AFT CARGO FOUND AREAS OF CORROSION ON RH TRANSITION FROM FS 727 TO FS 767. GROUNDED - YES. REPAIRED TRANSITION FROM F.S 727 T
- [SDR ASAA2025070559190](https://openairdocs.org/sdr/ASAA2025070559190), Jul 5, 2025: COVER. MISSING. MID CABIN EXIT SIGN BACKSIDE OF SIGN IS MISSING. GROUNDED - YES. FOUND EXIT SIGN COVER. RE-INSTALLED EXIT SIGN COVER AND OP CHECK GOOD PER AMM 25-21-20.
- [SDR ASAA2025060358436](https://openairdocs.org/sdr/ASAA2025060358436), Jun 3, 2025: HANDLE. BINDING. L1 DOOR HANDLE OPENING FORCE TOO HIGH- 480 LBS. GROUNDED - YES. REMOVED L1 DOOR SLIDE ASSY AND LINER. ADJUSTED HORIZ CONTROL ROD. REF AMM 52-11-00-820-801 STEP 
- [SDR ASAA2025052158106](https://openairdocs.org/sdr/ASAA2025052158106), May 21, 2025: COVER. DETACHED. EXIT COVER IS OFF FROM EMRG ROW. GROUNDED - YES. REINSTALLED SIGN AS REQ'D NO DEFECTS NOTED.
- [SDR ASAA2025010555110](https://openairdocs.org/sdr/ASAA2025010555110), Jan 5, 2025: ROD. DISCONNECTED. L1 DOOR WILL NOT OPEN. GROUNDED - YES. FOUND L1 DOOR ROD ASSY DISCONNECTED FROM LATCH TORQUE TUBE. RE-INSTALLED L1 DOOR LOWER ROD ASSY PER IPC 52-11-11-03A, AND
- [SDR ASAA202401247452](https://openairdocs.org/sdr/ASAA202401247452), Jan 22, 2024: SIGN. DETACHED. R1 EXIT SIGN FELL OFF. GROUNDED - YES. FOUND R-1 DOOR EMERGENCY EXIT LIGHT ASSEMBLY BROKEN, REMOVED AND REPLACED ASSEMBLY REF AMM 33-51-01, OPS CKECK GOOD. REFM
- [SDR ASAA2023112146334](https://openairdocs.org/sdr/ASAA2023112146334), Nov 21, 2023: UNKNOWN. UNKNOWN. AFT GALLEY A/C LEFT LIGHT COVER BROKEN. GROUNDED - YES. REPLACED LAV D AFT BULKHEAD FWD FACING WORK/EMERGENCY LIGHT ASSY AS REQ. OPS CHECKED GOOD REF AMM 33-51-
- [SDR ASAA2023110746068](https://openairdocs.org/sdr/ASAA2023110746068), Nov 7, 2023: RELAY. FAULTY. WHILE ACCOMPLISHING T/C 78273000, FOUND ENG. 2 LONG TIME FAULT MSG.# 76-31362, THE START LEVER SIGNALS DISAGREE. GROUNDED - YES. (RESOLVED ON W/O: 1976254 TASKC
- [SDR ASAA2023110546008](https://openairdocs.org/sdr/ASAA2023110546008), Nov 5, 2023: UNKNOWN. UNKNOWN. ZONE TEMP CAUTION ILLUMINATED ON MASTER RECALL CHECK. EXTINGUISHED UPON MASTER CAUTION RESET. GROUNDED - YES. (RESOLVED ON W/O: 1976284 TASKCARD: N/R-00001 ) PE
- [SDR ASAA2023102345793](https://openairdocs.org/sdr/ASAA2023102345793), Oct 23, 2023: UNKNOWN. UNKNOWN. REF TC 78273000. #1 ENG FAULT DISPLAYS SHORT TERM 75-30451, THE VBV POSTITION SIGNALS DISAGREE. GROUNDED - YES. (RESOLVED ON W/O: 1975071 TASKCARD: N/R-00001 ) 
- [SDR ASAA2023100945547](https://openairdocs.org/sdr/ASAA2023100945547), Oct 9, 2023: UNKNOWN. UNKNOWN. ENGINE #2 LONG TIME FAULT MSG #76-31362 THE START LEVER SIGNALS DISAGREE. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023100745480](https://openairdocs.org/sdr/ASAA2023100745480), Oct 7, 2023: CONTROL MODULE. FAULTY. UNABLE TO SELECT LANDING ALTITUDE. LANDING ALTITUDE FROZEN WITH KNOB SELECTOR MOVING. GROUNDED - YES. REMOVED AND REPLACED PRESSURE SELECTOR UNIT REF B737-800 A
- [SDR ASAA2023100445442](https://openairdocs.org/sdr/ASAA2023100445442), Oct 4, 2023: UNKNOWN. UNKNOWN. ON ENG #2; LONG TIME FAULT 76-31362 THE START LEVER SIGNALS DISAGREE. GROUNDED - YES. (RESOLVED ON W/O: 1971953 TASKCARD: N/R-00005 ) REF L/P 60165285, ACCOMPLI
- [SDR ASAA2023100445441](https://openairdocs.org/sdr/ASAA2023100445441), Oct 4, 2023: UNKNOWN. UNKNOWN. ON ENG #1; SHORT TIME FAULT 75-20451 THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. (RESOLVED ON W/O: 1972527 TASKCARD: N/R-00001 ) PERFORMED FIM 75-32 TASK
- [SDR ASAA2023100245431](https://openairdocs.org/sdr/ASAA2023100245431), Oct 2, 2023: UNKNOWN. UNKNOWN. AT CRUISE FL320 CA "LDG ALT" FLAG AND CA "NO VTK" FLAG ILLUMINATED. CLEARED W/IN 15 SECONDS W/O INTERVENTION. GROUNDED - YES. FOUND TO BE AN INTERMITTENT FAULT.
- [SDR ASAA2023092545295](https://openairdocs.org/sdr/ASAA2023092545295), Sep 25, 2023: UNKNOWN. UNKNOWN. ENG LOOP "B" (FIRE LOOP) SHOWS FAULT DURING TEST. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023092445300](https://openairdocs.org/sdr/ASAA2023092445300), Sep 24, 2023: UNKNOWN. UNKNOWN. F/O'S DME IS INOP. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023090745047](https://openairdocs.org/sdr/ASAA2023090745047), Sep 7, 2023: FLOOR PANEL. PUNCTURED. MAIN CABIN FLOOR BOARD P/N 143A5810-517 R/H SIDE JUST AFT OF FWD WET AREA HAS PUNCTURE. GROUNDED - YES. EVALUATED MAIN CABIN FLOOR BOARD P/N 143A5810-517 AND FO
- [SDR ASAA2023082544983](https://openairdocs.org/sdr/ASAA2023082544983), Aug 25, 2023: INTERCOSTAL. CORRODED. MAIN CABIN FWD WEB AREA STA 300 LBL 11 INTERCOSTAL HAS CORROSION ON UPPER SURFACE. GROUNDED - YES. REMOVED CORROSION ON INTERCOSTAL. ORIG THICKNESS IS .071",REM
- [SDR ASAA2023082444881](https://openairdocs.org/sdr/ASAA2023082444881), Aug 24, 2023: FLOORBOARD. DELAMINATED. FWD WET AREA BOARD DELAM P/N 141A5810Y183. GROUNDED - YES. EVALUATED & ACCOMPLISH PERMANENT REPAIR TO FWD WET AREA FLOOR BOARD P/N 141A5801Y183 IAW B737-800 SRM
- [SDR ASAA2023082244982](https://openairdocs.org/sdr/ASAA2023082244982), Aug 22, 2023: FRAME. GOUGED. AFTER REMOVAL OF LOWER SEAL RETAINER/LOCATOR AND SEALANT ON L1 DOR FOUND GOUGED FRAME. GROUNDED - YES. REMOVED DAMAGED FRAME, REFERENCE B737-800 SRM 51-40-02, L
- [SDR ASAA2023082244869](https://openairdocs.org/sdr/ASAA2023082244869), Aug 22, 2023: FLOORBEAM. CORRODED. MAIN CABIN AFT WET AREA STA986.5 FLOOR BEAM AT LBL 43 HAS CORROSION AT FASTENER HOLE. GROUNDED - YES. REMOVED CORROSION.ORIGINAL THICKNESS 0.150 IAW B737-800 SR
- [SDR ASAA2023082244868](https://openairdocs.org/sdr/ASAA2023082244868), Aug 22, 2023: FLOORBEAM. CORRODED. MAIN CABIN AFT WET AREA STA 986.5 FLOOR BEAM AT RBL43 HAS CORROSION AT FASTENER HOLE. GROUNDED - YES. REMOVED CORROSION.ORIGINAL THICKNESS 0.150 IAW B737-800 SR
- [SDR ASAA2023081945127](https://openairdocs.org/sdr/ASAA2023081945127), Aug 19, 2023: FLOOR SUPPORT. CORRODED. AFT PIT FLOOR SUPPORT STA 787 TO 832 RBL 13.84 IS CORRODED. GROUNDED - YES. REMOVED THE CORROSION FROM THE AFT PIT FLOOR SUPPORT STA 787 TO 832, RBL 13.84 IAW B
- [SDR ASAA2023081944981](https://openairdocs.org/sdr/ASAA2023081944981), Aug 19, 2023: TRANSITION PANEL. CORRODED. AFT PIT L/H TRANSITION PANEL STA 727I+10 TO 835 IS CORRODED GROUNDED - YES. EVALUATED AFT PIT L/H TRANSITION PANEL STA 727I+10 TO 835 ORIGINAL MAT'L THKS .040 P
- [SDR ASAA2023081944980](https://openairdocs.org/sdr/ASAA2023081944980), Aug 19, 2023: TRANSITION PANEL. CORRODED. AFT PIT L/H TRANSITION PANEL STA 727E+18 TO 727I+10 IS CORRODED. GROUNDED - YES. EVALUATED AFT PIT L/H TRANSITION PNL FROM ST 727E+18 TO 727I+10 ORIGINAL MATERI
- [SDR ASAA2023081944884](https://openairdocs.org/sdr/ASAA2023081944884), Aug 19, 2023: TRANSITION PANEL. CORRODED. AFT PIT L/H TRANSITION PANEL STA 727B+10 TO 727E+18 IS CORRODED GROUNDED - YES. EVALUATED AFT CARGO L/H TRANSITION PANEL FROM STA 727B+10 TO 727E+18. ORIG THICK
- [SDR ASAA2023081944883](https://openairdocs.org/sdr/ASAA2023081944883), Aug 19, 2023: TRANSITION PANEL. CORRODED. AFT PIT R/H TRANSITION PANEL STA 727E+14 TO 727H+12 IS CORRODEDDOT T222. GROUNDED - YES. EVALUATED AFT CARGO R/H TRANSITION PANEL FROM STA 727E+14 TO 727H+12 OR
- [SDR ASAA2023081944882](https://openairdocs.org/sdr/ASAA2023081944882), Aug 19, 2023: TRANSITION PANEL. CORRODED. AFT PIT R/H TRANSITION PANEL STA 737 TO 767 IS CORRODEDDOT J164. GROUNDED - YES. EVALUATED AFT CARGO R/H TRANSITION PANEL FROM STA 737 TO 767. ORIG THICKNESS .0
- [SDR ASAA2023081844867](https://openairdocs.org/sdr/ASAA2023081844867), Aug 18, 2023: TRANSITION PANEL. CORRODED. FWD PIT R/H TRANSITION PANEL STA 500+12 TO 500F+10 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FROM FWD PIT R/H TRANSITION PANEL IAW B737-800 SRM 53-00-53-1A-
- [SDR ASAA2023081844866](https://openairdocs.org/sdr/ASAA2023081844866), Aug 18, 2023: TRANSITION PANEL. CORRODED. FWD PIT R/H TRANSITION PANEL STA 500H+10 TO 500H+18 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FROM FWD PIT R/H TRANSITION PANEL IAW B737-800 SRM 53-00-531A-
- [SDR ASAA2023081844864](https://openairdocs.org/sdr/ASAA2023081844864), Aug 18, 2023: TRANSITION PANEL. CORRODED. FWD PIT R/H TRANSITION PANEL STA 500B+10 TO 500C+14 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE ON FWD PIT TRANSITION PANEL @ STA 500B+10 TO 500C+14 IAW B737-
- [SDR ASAA2023081844761](https://openairdocs.org/sdr/ASAA2023081844761), Aug 18, 2023: TRANSITION PANEL. CORRODED. FWD PIT L/H TRANSITION PANEL STA 500B+18 TO 500D+10 HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FROM FWD PIT L/H TRANSITION PANEL @ STA 500B+18 - 500D+10 IAW 
- [SDR ASAA2023081144553](https://openairdocs.org/sdr/ASAA2023081144553), Aug 11, 2023: UNKNOWN. UNKNOWN. ENGINE 1 FAULT CODE 75-20451 VBV POSITION SIGNALS DISAGREE SHORT TIME FAULT DISCOVERED WHILE ACCOMPLISHING T/C 78273000. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023081144552](https://openairdocs.org/sdr/ASAA2023081144552), Aug 11, 2023: UNKNOWN. UNKNOWN. ENGINE FAULT CODE 75-10451 VBV POSITION SIGNALS DISAGREE SHORT TIME FAULT DISCOVERED WHILE ACCOMPLISHING T/C 78273000. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023072044144](https://openairdocs.org/sdr/ASAA2023072044144), Jul 20, 2023: UNKNOWN. UNKNOWN. #2 ENG LONG TIME FAULT. FAULT CODE 76-31362. THE START LEVER SIGNALS DISAGREE. GROUNDED - YES. ACCOMPLISHED TC 78273000, FAULT IS GONE, AND NO HISTORY THIS CLEA
- [SDR ASAA2023071444048](https://openairdocs.org/sdr/ASAA2023071444048), Jul 14, 2023: INDICATOR. INOPERATIVE. FUELER REPORTS REFUEL PANEL INDICATOR FOR CENTER TANK READS "FAIL". GROUNDED - YES. VERIFIED CNTR TANK REFUEL INDICATOR SHOWS "FAIL" ACCOMPLISHED WIRE CHECKS PE
- [SDR ASAA2023071143994](https://openairdocs.org/sdr/ASAA2023071143994), Jul 11, 2023: UNKNOWN. UNKNOWN. DURING TC 78273000 FOUND TWO SHORT TIME FAULTS CODES FOR # 1 ENGINE. CODE 75-20451 " VBV POSITION SIGNALS DISAGREE." AND CODE 75-10451 " VBV POSITION SIGNALS DI
- [SDR ASAA2023062643773](https://openairdocs.org/sdr/ASAA2023062643773), Jun 26, 2023: UNKNOWN. UNKNOWN. DURING TASK CARD 78273000 FOUND #1 ENG SHORT TIME FAULT MSG #75-30451THE VBV POSITION SIGNALS DISAGREE. GROUNDED - YES. PERFORMED T/C 78273000, VERIFIED FAULT M
- [SDR ASAA2023060943518](https://openairdocs.org/sdr/ASAA2023060943518), Jun 9, 2023: INDICATOR. FAILED. CENTER FUEL TANK QUANTITY BLANK. GROUNDED - YES. PERFORMED B737-800 FIM 28-41 TASK 810 REMOVED AND REPLACED CENTER REFUEL QUANTITY INDICATOR ASSY REF B737-800 A
- [SDR ASAA2023051343227](https://openairdocs.org/sdr/ASAA2023051343227), May 13, 2023: UNKNOWN. UNKNOWN. L/H AFT BODY VORTEX GENERATOR ABOVE H/STAB BROKEN OFF AT BASE. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2023050443143](https://openairdocs.org/sdr/ASAA2023050443143), May 4, 2023: FMC. FAULTY. REF LP 60591300-FMC SINGLE OPERATION ON SCRATCH PAD, FO MAP FIGURE FLAG AND VTR ON NAV DISPLAY. GROUNDED - YES. REMOVED AND REPLACED R/H FMC COMPUTER PER B737-8

All 345: https://openairdocs.org/aircraft/N538AS/reports.md

## STCs that may be installed (OpenAirDocs) (786, 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 737-890)

- [STC ST03438NY](https://openairdocs.org/stc/ST03438NY): Installation of Adams Rite Lavatory Equipment. Delta Engineering Corporation
- [STC ST04116NY](https://openairdocs.org/stc/ST04116NY): Update of a Cabin Interior. Delta Engineering Corporation
- [STC ST04669CH](https://openairdocs.org/stc/ST04669CH): Installation of Honeywell Advanced Communications and Entertainment System (ACES). Honeywell Aerospace
- [STC ST09933AC](https://openairdocs.org/stc/ST09933AC): Expansion of parameters in the digital flight data acquisition unit (DFDAU). L2 Aviation
- [STC ST02269NY](https://openairdocs.org/stc/ST02269NY): Installation of Self Illuminating Floor Path Marking System. Lufthansa Technik AG
- [STC ST12461IB](https://openairdocs.org/stc/ST12461IB): Installation of Cockpit Voice Recorder with optional RIPS Upgrade. Mid- Canada Mod Center
- [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 ST02528LA](https://openairdocs.org/stc/ST02528LA): Installation of the Thales Avionics, Inc. Data Transfer Device (DTD) or Solid State Drive (SSD) into the existing Cabin Media Loader (CML). Thales Avionics Inc
- [STC ST12443LA](https://openairdocs.org/stc/ST12443LA): Installation of Teledyne Controls Edge Computing Platform (ECP). Teledyne Controls, LLC
- [STC ST12432IB](https://openairdocs.org/stc/ST12432IB): Installation of Acro Series 9 Seats Economy Class Seats in 189 Y/C layout. KNSI AVIATION ENGINEERING EUROPE LTD
- [STC ST10477SC](https://openairdocs.org/stc/ST10477SC): Installation of two Interior configurations in Boeing 737-8EX (MSN 33473). Jet Aviation St. Louis Inc
- [STC ST09853DS](https://openairdocs.org/stc/ST09853DS): Dual Radome Aerodynamic Validation. United Airlines
- [STC ST04254NY](https://openairdocs.org/stc/ST04254NY): Installation of Viasat Satcom Software. ALOFT AeroArchitects
- [STC ST02666LA](https://openairdocs.org/stc/ST02666LA): Installation of main deck cargo loading system. Ancra International LLC
- [STC ST04281NY](https://openairdocs.org/stc/ST04281NY): Replacement of Aft Lavatories. B/E Aerospace Limited
- [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 ST02690LA](https://openairdocs.org/stc/ST02690LA): Conversion of a Boeing 737-800 series passenger configuration to a freighter configuration, incorporating a new main deck cargo door, interior, and associated systems. Aeronautical Engineers Inc
- [STC ST00197IB](https://openairdocs.org/stc/ST00197IB): Installation of the Universal Quick Access Recorder (uQAR). Flight Data Technologies Inc
- [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 ST02747LA](https://openairdocs.org/stc/ST02747LA): Installation of the Thales Digital Server Unit. Thales Avionics, Inc
- [STC ST00555AT](https://openairdocs.org/stc/ST00555AT): Installation of Airshow 210 system. AIRCRAFT RECONFIG TECHNOLOGIES, LLC. Lists 737 Series
- [STC ST02347AT-D](https://openairdocs.org/stc/ST02347AT-D): Installation of Collins HF Transceivers. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03197AT](https://openairdocs.org/stc/ST03197AT): Interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03200AT](https://openairdocs.org/stc/ST03200AT): Complete interior reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03631AT-D](https://openairdocs.org/stc/ST03631AT-D): Installation of Windscreen with Stretcher Access and Stowage Box., Aft of the L1 Entry Door. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST03816AT-D](https://openairdocs.org/stc/ST03816AT-D): Installation of an Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04167AT](https://openairdocs.org/stc/ST04167AT): Interior Reconfiguration. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04197AT](https://openairdocs.org/stc/ST04197AT): Cabin interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04207AT](https://openairdocs.org/stc/ST04207AT): Cabin interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04208AT](https://openairdocs.org/stc/ST04208AT): Panasonic IFE Upgrade installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04250AT](https://openairdocs.org/stc/ST04250AT): Interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04271AT](https://openairdocs.org/stc/ST04271AT): Interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04280AT](https://openairdocs.org/stc/ST04280AT): Interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04363AT](https://openairdocs.org/stc/ST04363AT): Interior reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04383AT](https://openairdocs.org/stc/ST04383AT): Interior reconfiguration installation on a Boeing 737-800 Series aircraft. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04389AT](https://openairdocs.org/stc/ST04389AT): 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 ST04395AT](https://openairdocs.org/stc/ST04395AT): Interior Reconfiguration installation. ZIM Aircraft Cabin Solutions LLC
- [STC ST04396AT](https://openairdocs.org/stc/ST04396AT): Interior Reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04397AT](https://openairdocs.org/stc/ST04397AT): Interior Reconfiguration installation. AIRCRAFT RECONFIG TECHNOLOGIES, LLC
- [STC ST04496AT](https://openairdocs.org/stc/ST04496AT): Interior Reconfiguration. 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 ST04667CH](https://openairdocs.org/stc/ST04667CH): Installation of Southwest Airlines Interior Reconfiguration for Extended Leg Room (ELR) Cabin. Astronics Connectivity Systems and Certification Corp
- [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 ST04593CH](https://openairdocs.org/stc/ST04593CH): Installation of Astronics EmPower In-Seat Power System. Astronics Connectivity Systems and Certification Corp
- [STC ST03875NY](https://openairdocs.org/stc/ST03875NY): Installation of interior placards, signs and markings. Libellule Monde Inc
- [STC ST03405NY](https://openairdocs.org/stc/ST03405NY): Installation (with demod option) of an Connectivity Antenna. Delta Engineering Corporation
- [STC ST02575SE](https://openairdocs.org/stc/ST02575SE): Installation of an In-Seat Power Supply System. Northwest Aerospace Technologies Inc

All 786: https://openairdocs.org/aircraft/N538AS/stcs.md

## Related

- Other Boeing 737-890 aircraft: https://openairdocs.org/model/boeing-737-890/aircraft.md
- The CFM International CFM56-7B27 series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b27-series.md

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