# N594AS: 2008 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/B3 series](https://openairdocs.org/engine/cfm-international-cfm56-7b27-b3-series) (registry code 13054)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 35191
- Year built: 2008
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: March 25, 2008
- Certificate issued: March 26, 2008
- Expires: November 30, 2029
- Mode S code: A7AC54
- 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=594AS
- Page: https://openairdocs.org/aircraft/N594AS

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/B3 model are included.

## ADs that may apply (OpenAirDocs): 343 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/B3 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

### 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 406: https://openairdocs.org/aircraft/N594AS/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 N594AS.

## FAA accident and incident reports

None matched to N594AS.

## Service difficulty reports (497, 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 ASAA2026010563597](https://openairdocs.org/sdr/ASAA2026010563597), Jan 5, 2026: DOOR. FAULTED. FA REPORT L1 DOOR DIFFICULT TO OPEN. GROUNDED - YES. ACCOMPLISHED L1 SERVICE DOOR SYSTEM TEST OPEN/CLOSE TORQUE VALUES ARE IN W/N LIMITS- OPS CHECK GOOD IN REF.
- [SDR ASAA2025050357692](https://openairdocs.org/sdr/ASAA2025050357692), May 3, 2025: SKIN. CORRODED. CORROSION ON FUSELAGE SKIN AT STGR 23R FROM STA 967 TO STA 847 IN SEVERAL PLACES SRXR430X. GROUNDED - YES. ACCOMPLISHED CATEGORY A REPAIR ON FUSELAGE SKIN P/N 1
- [SDR ASAA2025050357691](https://openairdocs.org/sdr/ASAA2025050357691), May 3, 2025: SKIN. CORRODED. SIGNS OF CORROSION FOUND BETWEEN STA 480 AND STA 500G AT STGR 24R SRXR430X. GROUNDED - YES. ACCOMPLISHED CATEGORY A REPAIR ON FUSELAGE SKIN P/N 143A3252-29 AT S
- [SDR ASAA2025050357690](https://openairdocs.org/sdr/ASAA2025050357690), May 3, 2025: SKIN. CORRODED. CORROSION AROUND SERVICE INTERPHONE CONNECTION BELOW STGR 23L BETWEEN STGR 24L-25L STA 1040 SRXR430X. GROUNDED - YES. ACCOMPLISHED CATEGORY A REPAIR ON FUSELAGE
- [SDR ASAA2025050257695](https://openairdocs.org/sdr/ASAA2025050257695), May 2, 2025: BATTERY PACK. INOPERATIVE. LH OVERWING EXTERIOR EMERGENCY LIGHT INOP. GROUNDED - YES. REMOVED AND REPLACED LH OVERWING EMERGENCY BATTERY PACK M01694 S/N 229632 AND PERFORMED OPERATIONAL T
- [SDR ASAA2025050157666](https://openairdocs.org/sdr/ASAA2025050157666), May 1, 2025: SKIN. CORRODED. CORROSION ON SKIN BETWEEN STA 887 AND STA 927 BETWEEN STGR 24L AND STGR 27L SRXR430X. GROUNDED - YES. ACCOMPLISHED CATEGORY A MINOR REPAIR ON FUSELAGE SKIN P/N 
- [SDR ASAA2025050157665](https://openairdocs.org/sdr/ASAA2025050157665), May 1, 2025: SKIN. CORRODED. SIGNS OF CORROSION FOUND BETWEEN STA 787 AND STA 867 AT STGR 14L SRXR430X. GROUNDED - YES. ACCOMPLISHED CATEGORY A MINOR REPAIR ON FUSELAGE SKIN P/N 146A3201-32
- [SDR ASAA2025042257700](https://openairdocs.org/sdr/ASAA2025042257700), Apr 22, 2025: SKIN. CORRODED. SIGNS OF CORROSION FOUND AT STR 10 R/H BETWEEN STA 727A AND STA 887. SRXR430X. GROUNDED - YES. ACCOMPLISHED CATEGORY "A" REPAIR ON FUSELAGE SKIN PN# 146A3131-10
- [SDR ASAA2025042257699](https://openairdocs.org/sdr/ASAA2025042257699), Apr 22, 2025: SKIN. CORRODED. SIGNS OF CORROSION FOUND AT STR 10 R/H BETWEEN STA 727A AND STA 887. SRXR430X. GROUNDED - YES. ACCOMPLISHED CATEGORY "A" REPAIR ON FUSELAGE SKIN PN# 146A3131-10
- [SDR ASAA2025042057698](https://openairdocs.org/sdr/ASAA2025042057698), Apr 20, 2025: SKIN. CORRODED. WATER SERVICE PANEL HAS CORROSION ON THE SKIN ON FWD SIDE BETWEEN STR-25R AND STR-26R. SRXR430X. GROUNDED - YES. ACCOMPLISHED CATEGORY "B" REPAIR ON FUSELAGE SK
- [SDR ASAA2025042057646](https://openairdocs.org/sdr/ASAA2025042057646), Apr 20, 2025: SKIN PANEL. CORRODED. RIGHT SIDE OF AIRPLANE AT STR-23R BETWEEN STA-727H AND STA727F HAS CORROSION IN SEVERAL PLACES. GROUNDED - YES. ACCOMPLISHED CATEGORY "A" REPAIR ON FUSELAGE SKI
- [SDR ASAA2025042057602](https://openairdocs.org/sdr/ASAA2025042057602), Apr 20, 2025: SKIN PANEL. CORRODED. CORROSION ON THE SKIN AT STR-23L FROM STA-787 TO STA-887 SEVERAL PLACES. SRXR430X. GROUNDED - YES. ACCOMPLISHED CATEGORY A MINOR REPAIR TO FUSELAGE SKIN PANEL 1
- [SDR ASAA2025042057601](https://openairdocs.org/sdr/ASAA2025042057601), Apr 20, 2025: SKIN PANEL. CORRODED. CORROSION ON SKIN AT STA-927 BETWEEN STR-24L AND STR-25L. SRXR430X. GROUNDED - YES. ACCOMPLISHED CATEFORY A MINOR REPAIR TO FUSELAGE SKIN PANEL 147A3400-4 AT ST
- [SDR ASAA2025042057600](https://openairdocs.org/sdr/ASAA2025042057600), Apr 20, 2025: SKIN PANEL. CORRODED. HOT WATER DRAIN BETWEEN STR-24L AND STR 25L HAS CORROSION AT THE BASE ON INBOARD SIDE. SRXR430X. GROUNDED - YES. ACCOMPLISHED CATEGORY A MINOR REPAIR TO FUSELAG
- [SDR ASAA2024102553433](https://openairdocs.org/sdr/ASAA2024102553433), Oct 25, 2024: LIGHT. MALFUNCTIONED. EMER EXIT LIGHT ON L1 DOOR IS ILLUMINATED WHEN IT SHOULD BE OUT. GROUNDED - YES. PERFORMED OPS CHECK OF EMER EXIT LIGHT BY L1 DOOR OPS CHECK NORMAL. REF AMM 33-
- [SDR ASAA2024101453164](https://openairdocs.org/sdr/ASAA2024101453164), Oct 14, 2024: LAMP. INOPERATIVE. RH FWD OVERWING EMERGENCY EXTERIOR LIGHT INOP. GROUNDED - YES. REMOVED & REPLACED RH FWD OVERWING EMERGENCY EXTERIOR LIGHTIAW AMM 33-51-04. OPS CHECK GOOD.
- [SDR ASAA2024061750495](https://openairdocs.org/sdr/ASAA2024061750495), Jun 17, 2024: POWER SUPPLY. INOPERATIVE. EMERGENCY LIGHTS ASSOCIATED WITH POWER SUPPLY M1674 (R1 DOOR) ARE INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY UNIT M1674 PERFORMED O
- [SDR ASAA2024061750494](https://openairdocs.org/sdr/ASAA2024061750494), Jun 17, 2024: LIGHT. INOPERATIVE. LEFT FWD OVERWING EMERGENCY EXIT SIGN IS INOP. GROUNDED - YES. REMOVED AND REPLACED LEFT FWD OVERWING EMERGENCY EXIT SIGN LIGHT ASSY. PERFORMED OPS CHECK. OPS C
- [SDR ASAA2024060350203](https://openairdocs.org/sdr/ASAA2024060350203), Jun 3, 2024: FLOOR SUPPORT. CORRODED. WHILE PERFORMING REPAIR TO STA 986 FLOOR STRUCTURE FOUND FLOOR SUPPORT @ STA 967-STA 986 RBL 16 TO HAVE CORROSION. P/N 140A9872-10. GROUNDED - YES. REMOVED AND 
- [SDR ASAA2024053150497](https://openairdocs.org/sdr/ASAA2024053150497), May 31, 2024: RIB. CRACKED. L/H HORIZONTAL STAB AROUND SS 102, AFT VERT. RIB HAS CRACK. GROUNDED - YES. REMOVED DAMAGED AREA. FABRICATED REAPIR PARTS P/N: BAC1490-2793 EXTRUSION 7075T6 PO:
- [SDR ASAA2024052150498](https://openairdocs.org/sdr/ASAA2024052150498), May 21, 2024: RIB. CRACKED. LEFT HORZ. STAB INTERNAL LOCATED ABOUT SS 139, BETWEEN FRONT AND REAR SPAR ATTACH RIB CRACKED. GROUNDED - YES. REMOVED 2(EA) FWD SPAR WEBS, REMOVED DAMAGED AREA
- [SDR ASAA2024052150496](https://openairdocs.org/sdr/ASAA2024052150496), May 21, 2024: RIB. CRACKED. LEFT HORZ. STAB INTERNAL LOCATED ABOUT SS 102, BETWEEN FRONT AND REAR SPAR ATTACH RIB HAS FWD CRACKS. (STREAMER AND DOT ATTACH). GROUNDED - YES. REMOVED DAMAGED
- [SDR ASAA2024052150183](https://openairdocs.org/sdr/ASAA2024052150183), May 21, 2024: FLOOR PANEL. DAMAGED. FLOOR PANEL 141A5810-728 HAS 8 BAD INSERTS AND EDGE DAMAGE. GROUNDED - YES. REPAIRED FLOOR PANEL 141A5810-728 AND REMOVED AND REPLACED ALL INSERTS IAW B737-800 
- [SDR ASAA2024052150182](https://openairdocs.org/sdr/ASAA2024052150182), May 21, 2024: FLOOR PANEL. DAMAGED. FLOOR PANEL 147A5810-28 HAS COMPOSITE DAMAGE AND BAD INSERTS. GROUNDED - YES. REPAIRED FLOOR PANEL 147A5810-28 AND REPLACED INSERTS IAW B737-800 SRM 53-00-50-2R
- [SDR ASAA2024052150181](https://openairdocs.org/sdr/ASAA2024052150181), May 21, 2024: FLOOR PANEL. DAMAGED. FLOOR PANEL 147A5810-23 HAS COMPOSITE DAMAGE AND BAD INSERTS. GROUNDED - YES. REPAIRED FLOOR PANEL 147A5810-23 AND REPLACED INSERTS IAW B737-800 SRM 53-00-50-2R
- [SDR ASAA2024052150180](https://openairdocs.org/sdr/ASAA2024052150180), May 21, 2024: FLOOR PANEL. DAMAGED. FLOOR PANEL 146A5810-512 HAS COMPOSITE DAMAGE. GROUNDED - YES. REPAIRED FLOOR PANEL 146A5810-512 AND REPLACED INSERTS IAW B737-800 SRM 53-00-50-2R-4.
- [SDR ASAA2024052150179](https://openairdocs.org/sdr/ASAA2024052150179), May 21, 2024: FLOOR PANEL. DAMAGED. FLOOR PANEL 144A5810-126 HAS COMPOSITE DAMAGE AND BAD INSERTS. GROUNDED - YES. REPAIRED FLOOR PANEL 144A5810-126 AND REPLACED 3EA INSERTS IAW B737-800 SRM 53-00
- [SDR ASAA2024052050375](https://openairdocs.org/sdr/ASAA2024052050375), May 20, 2024: WEB. GOUGED. AREA BETWEEN STA 500A-500B LBL64 HAS A GOUGE ON LOWER SIDE AROUND FASTENER HOLE. GROUNDED - YES. ACCOMPLISHED REPAIR PER EA#800-53EA-27094, ORIGINAL THICKNESS .
- [SDR ASAA2024052050185](https://openairdocs.org/sdr/ASAA2024052050185), May 20, 2024: FLOORBEAM. CORRODED. STA 986 BETWEEN LBL 9 AND RBL 27.5 UPPER T-CAP HAS SCRIBE MARKS. GROUNDED - YES. UPON EVALUATION OF SCRIBE LINES ON STA 986 UPPER T-CAP. FOUND UNDERLYING CORROS
- [SDR ASAA2024052050184](https://openairdocs.org/sdr/ASAA2024052050184), May 20, 2024: FLOOR SUPPORT. CORRODED. 950(RH HAND SIDE) INTERCOSTAL / FLOOR SUPPORT HAS CORROSION AT HOLE. GROUNDED - YES. BLENDED CORROSION ORINGINAL THICKNESS, FROM PART, .080, MAT LOSS .018, NEW 
- [SDR ASAA2024061250204](https://openairdocs.org/sdr/ASAA2024061250204), May 18, 2024: STRAP. CORRODED. AFT CARGO PIT STRAP, I/B OF THRESHOLD WWEB HAS CORROSION. GROUNDED - YES. REMOVED CORROSION, ORIG. THICKNESS=.100" REOVED=.044" REMAINING=.056" FOUND TO BE OUT 
- [SDR ASAA2024051850202](https://openairdocs.org/sdr/ASAA2024051850202), May 18, 2024: TRANSITION PANEL. CORRODED. AFT CARGO PIT R/H TRANSITION PANEL STA 727- STA 767 HAS MULTIPLE SPOTS OF CORROSION. GROUNDED - YES. REMOVED CORROSION. ORIG THICKNESS= .040, REMOVED .040. REMA
- [SDR ASAA2024051850186](https://openairdocs.org/sdr/ASAA2024051850186), May 18, 2024: TRANSITION PANEL. CORRODED. AFT CARGO PIT L/H TRANSITION PANEL STA 727- STA 847 HAS MULTIPLE SPOTS OF CORROSION. GROUNDED - YES. REMOVED CORROSION ORIG THICKNESS = .040. REMOVED = .040". R
- [SDR ASAA2024051849928](https://openairdocs.org/sdr/ASAA2024051849928), May 18, 2024: FRAME. CORRODED. AFT CARGO PIT R/H FRAME @ STA 787 PREVIOUS REPAIR CORRODED. GROUNDED - YES. EVALUATED AFT CARGO R/H FRAME AT STA 787, FOUND TO BE FACTORY SPLICE, FOUND TO BE OU
- [SDR ASAA2024042449242](https://openairdocs.org/sdr/ASAA2024042449242), Apr 24, 2024: LIGHT. LOOSE. GALLEY 4 (AIRCRAFT LEFT) EXIT SIGN IS LOOSE. GROUNDED - YES. REMOVED & REPLACED EXIT LIGHT ASSY REF AMM 33-51-01 OPS NORMAL.
- [SDR ASAA2024030748297](https://openairdocs.org/sdr/ASAA2024030748297), Mar 7, 2024: COVER. DAMAGED. R/H FWD EMERGENCY EXIT LIGHT COVER DAMAGED. GROUNDED - YES. ON DEFERRAL.
- [SDR ASAA2024030748296](https://openairdocs.org/sdr/ASAA2024030748296), Mar 7, 2024: BATTERY PACK. INOPERATIVE. R/H EXTERIOR OVER WING EMERGENCY EXIT LIGHTS INOP. GROUNDED - YES. REPLACED BATTERY PACK IAW AMM 33-51-06. OPS TEST GOOD.
- [SDR ASAA2024022148018](https://openairdocs.org/sdr/ASAA2024022148018), Feb 21, 2024: LIGHT. DAMAGED. FA REPORTS AFT FLOOR LIGHT STRIP BY LAV BROKEN. GROUNDED - YES. REPLACED FLOOR PHOTOLUMINESCENT STRIP REF AMM 33-51-15. OPS TEST GOOD.
- [SDR ASAA2023102945918](https://openairdocs.org/sdr/ASAA2023102945918), Oct 29, 2023: UNKNOWN. UNKNOWN. RIGHT FMC FAILED ENROUTE. GROUNDED - YES. PERFORMED FIM 34-61- TASK 836. NO FAULTS NOTED. NO HISTORY PASSED 30DAYS. SEAMC: ANDY NOTIFIED.
- [SDR ASAA2023101445657](https://openairdocs.org/sdr/ASAA2023101445657), Oct 14, 2023: UNKNOWN. UNKNOWN. 'EXIT SALIDA" SIGN FELL OFF THE LIGHTED SIGN ON OVERHEAD AT EXIT ROW. GROUNDED - YES. RESECURED EXIT SIGN AT ROW 17 AMM 33-51-01OK FOR SERVICE ROW 17.
- [SDR ASAA2023092445299](https://openairdocs.org/sdr/ASAA2023092445299), Sep 24, 2023: UNKNOWN. UNKNOWN. WX RADAR FAILED MULTIPLE TIMES AND RESET DURING FLIGHT. GROUNDED - YES. PERFORMED WEATHER RADAR OPERATIONAL TEST REF AMM 34-43-00. TEST OK. NO DEFECTS NOTED.
- [SDR ASAA2023090145390](https://openairdocs.org/sdr/ASAA2023090145390), Sep 1, 2023: EEC. FAULTY. APU REPORTS SHOW A RAPID RISE IN CT5ATP TEMP AND HAS SURPASSED THE 605 DEGREE THRESHOLD. (#PRI1/ETOPS) CONTACT ETOPS MAINTENANCE CONTROL AND REPORT THAT THIS TA
- [SDR ASAA2023073044327](https://openairdocs.org/sdr/ASAA2023073044327), Jul 30, 2023: UNKNOWN. UNKNOWN. APU FAILED TO START, FAULT LIGHT ILLUMINATED. GROUNDED - YES. UNDER THE AUTHORIZATION OF SEAMC PHIL, MEL 49-99A CLEARED. T/S NOTES 7/30/23: SERVICED OIL APU. AT
- [SDR ASAA2023061643611](https://openairdocs.org/sdr/ASAA2023061643611), Jun 16, 2023: UNKNOWN. UNKNOWN. RIGHT WING FUEL TANK ACCESS PANELS 632FB AND 632GB ARE LEAKING FUEL. GROUNDED - YES. RETORQUED PANELS 632FB AND 632GB. NO LEAKS FOUND. REF B737-800 AMM 28-11-11
- [SDR ASAA2023061543624](https://openairdocs.org/sdr/ASAA2023061543624), Jun 15, 2023: HMU. FAILED. WHILE TAXIING FOR ENGINE HIGH POWER RUN, EXPERIENCED ENGINE #2 ELECTRICAL 6 PACK ANNUNCIATOR LIGHT ILLUMINATED. THEN HYDRAULIC 6 PACK ANNUNCIATOR LIGHT THEN ENG
- [SDR ASAA2023032442579](https://openairdocs.org/sdr/ASAA2023032442579), Mar 24, 2023: EXCITER. INOPERATIVE. APU FAULT LIGHT CAME ON AT START UP. GROUNDED - YES. REMOVED AND REPLACED IGNITION EXCITER UNIT REF B737-800 AMM 49-41-31. OPERATIONAL TEST PASS. APU OPERATES N
- [SDR ASAA2023030842296](https://openairdocs.org/sdr/ASAA2023030842296), Mar 8, 2023: MODULATING VALVE. FAULTED. "ZONE TEMP" MASTER CAUTION ON CONT. CAB. RESETS WITH MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED FLIGHT COMPARTMENT ZONE TRIM AIR MODULATING VALV
- [SDR ASAA2023030642212](https://openairdocs.org/sdr/ASAA2023030642212), Mar 6, 2023: UNKNOWN. UNKNOWN. #1 ENGINE COWL VALVE FAILED IN CLOSED POSITION. BLUE LIGHT STAYS ON IN ON POSITION OF SWITCH. GROUNDED - YES. FLT CREW REPORTS #1 ENG COWL VALVE STARTED WORKING
- [SDR ASAA2023022642110](https://openairdocs.org/sdr/ASAA2023022642110), Feb 26, 2023: UNKNOWN. UNKNOWN. CONT CAB ZONE TEMP LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED PACK TEMP CONTROL BITE REF B737-800 FIM 21-62 TASK 801. FOUND "FLT DECK TRIM VALVE" FAULTING ON 
- [SDR ASAA2023022042020](https://openairdocs.org/sdr/ASAA2023022042020), Feb 20, 2023: SWITCH. STICKING. CAPT AUTO-PILOT DISENGAGE BUTTON STICKS. GROUNDED - YES. REPLACED CAPT'S A/P DISCONNECT SWITCH PER B737-800 AMM 22-11-41, SYS OPS CKS NML PER SAME.

All 497: https://openairdocs.org/aircraft/N594AS/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/N594AS/stcs.md

## Related

- Other Boeing 737-890 aircraft: https://openairdocs.org/model/boeing-737-890/aircraft.md
- The CFM International CFM56-7B27/B3 series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b27-b3-series.md

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