# N8509U: 2016 Boeing 737-800

- Status: Valid registration
- Airframe: [Boeing 737-800](https://openairdocs.org/model/boeing-737-800) (registry code 1384414, 175 seats)
- Engine: [CFM International CFM56-7B27E/F series](https://openairdocs.org/engine/cfm-international-cfm56-7b27e-f-series) (registry code 13100)
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE) (The Boeing Company) (OpenAirDocs)
- Serial number: 36925
- Year built: 2016
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: November 8, 2016
- Certificate issued: December 8, 2016
- Expires: December 31, 2029
- Mode S code: ABAAFE
- Registered owner: [Southwest Airlines Co](https://openairdocs.org/faa-owner/SOUTHWEST%20AIRLINES%20CO)
- Location: [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas)
- Owner type: Corporation
- Owner's area on the map: 32.8326° N, 96.8491° W: Placed by OpenAirDocs at the center of ZIP code 75235, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8509U
- Page: https://openairdocs.org/aircraft/N8509U

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every CFM International CFM56-7B27E/F model are included.

## ADs that may apply (OpenAirDocs): 332 in force

### Matched by airframe (Boeing 737-800)

- [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 CFM56-7B27E/F series)

- [AD 2023-05-05](https://openairdocs.org/ad/2023-05-05): Turbine Engine Compressor Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 98 more. Effective May 10, 2023
- [AD 2018-26-01](https://openairdocs.org/ad/2018-26-01): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jan 10, 2019
- [AD 2018-09-51](https://openairdocs.org/ad/2018-09-51): Engine · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jun 7, 2018
- [AD 2015-18-04](https://openairdocs.org/ad/2015-18-04): 73-tooth gearshaft located in the engine accessory gearbox (AGB) · CFM International CFM56-3, CFM56-7B20, CFM56-7B20/2 and 47 more. Effective Oct 20, 2015
- [AD 2015-04-02](https://openairdocs.org/ad/2015-04-02): Dual engine thrust instability event · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Mar 31, 2015
- [AD 2009-11-02](https://openairdocs.org/ad/2009-11-02): HPC 4-9 spools · CFM International CFM56-2, CFM56-2A, CFM56-2B and 109 more. Effective Jun 23, 2009

### Historical (superseded or no longer in force)

- [AD 2023-09-04](https://openairdocs.org/ad/2023-09-04) (historical): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 5 more. Effective Jun 29, 2023
- [AD 2022-05-04](https://openairdocs.org/ad/2022-05-04) (historical): Navigation · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Feb 24, 2022
- [AD 2021-14-20](https://openairdocs.org/ad/2021-14-20) (historical): Cabin Altitude Pressure Switches · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 12 more. Effective Jul 20, 2021
- [AD 2021-09-06](https://openairdocs.org/ad/2021-09-06) (historical): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Jun 8, 2021
- [AD 2020-03-20](https://openairdocs.org/ad/2020-03-20) (historical): Navigation · Modification of Rockwell Collins, Inc. Multi-Mode Receiver (STC ST01883WI or 4 others). Effective Feb 18, 2020
- [AD 2019-25-17](https://openairdocs.org/ad/2019-25-17) (historical): Indicating/ recording system · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Dec 27, 2019
- [AD 2019-20-03](https://openairdocs.org/ad/2019-20-03) (historical): Information systems · Airbus A340-312, A340-313, A318-111 and 48 more. Effective Nov 19, 2019
- [AD 2019-22-10](https://openairdocs.org/ad/2019-22-10) (historical): Fuselage · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Nov 13, 2019
- [AD 2019-20-02](https://openairdocs.org/ad/2019-20-02) (historical): Fuselage · Boeing Airplane Company, Wichita Division 75 (Army PT-13), 737-600 Series, 737-700 Series and 4 more. Effective Oct 3, 2019
- [AD 2019-03-26](https://openairdocs.org/ad/2019-03-26) (historical): Equipment/furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Apr 8, 2019
- [AD 2017-16-05](https://openairdocs.org/ad/2017-16-05) (historical): Wings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Sep 22, 2017
- [AD 2017-14-13](https://openairdocs.org/ad/2017-14-13) (historical): Equipment and Furnishings · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Aug 23, 2017
- [AD 2017-12-07](https://openairdocs.org/ad/2017-12-07) (historical): Air conditioning · Boeing 737-800 Series, 737-900 Series and 737-900ER Series. Effective Jul 20, 2017
- [AD 2016-18-01](https://openairdocs.org/ad/2016-18-01) (historical): Landing Gear · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 5, 2016
- [AD 2016-13-16](https://openairdocs.org/ad/2016-13-16) (historical): Stabilizers · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Aug 12, 2016
- [AD 2015-19-03](https://openairdocs.org/ad/2015-19-03) (historical): Fuel Selector/Shutoff Valve · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Oct 21, 2015
- [AD 2015-16-01](https://openairdocs.org/ad/2015-16-01) (historical): Air Conditioning · Boeing 737-100 Series, 737-200 Series, 737-200C Series and 9 more. Effective Sep 15, 2015
- [AD 2013-26-08](https://openairdocs.org/ad/2013-26-08) (historical): Ice and Rain Protection · Boeing 737-600 Series, 737-700 Series, 737-700C Series and 3 more. Effective Feb 10, 2014
- [AD 2013-24-13](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 393: https://openairdocs.org/aircraft/N8509U/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

## NTSB investigations

None matched to N8509U.

## FAA accident and incident reports

None matched to N8509U.

## Service difficulty reports (102, 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 SWAA2026091569081](https://openairdocs.org/sdr/SWAA2026091569081), Sep 5, 2026: FLOOR PANEL. CRACKED. FLOOR PANEL 221GF CRACKED RECEIVED NEW FLOOR PANEL P/N 141A5810-181 FLOOR PANEL WILL BE INSTALLED ON TASK CARD 730672 INTERIOR 2290 TTG8Q01DPYXR RECEIVED NEW FL
- [SDR SWAA2026072344101](https://openairdocs.org/sdr/SWAA2026072344101), Jul 22, 2026: VALVE. LEAKING. NR 1 ENGINE STEADY FUEL LEAK AFTER ENGINE START. REMOVED AND REPLACED HTPACC PER AMM 75-21-01.
- [SDR SWAA2026062916540](https://openairdocs.org/sdr/SWAA2026062916540), Jun 26, 2026: SLIDE. LOOSE. FWD L1 ENTRY DOOR EMERGENCY EXIT SLIDE NOT SECURE. RESECURED L1 FWD ENTRY DOOR SLIDE IAW AMM 25-66-01.
- [SDR SWAA2026012965241](https://openairdocs.org/sdr/SWAA2026012965241), Jan 28, 2026: GIRT BAR. OUT OF ADJUST. FORWARD ENTRY DOOR GIRT BAR REQUIRES ADJUSTMENT. BAR COMES OUT OF ITS HOLDER. REMOVED & INSTALLED THE GIRT BAR IAW AMM 25-66-02. FOUND RETENTION TO BE SATISFACT
- [SDR SWAA2025120442290](https://openairdocs.org/sdr/SWAA2025120442290), Dec 3, 2025: BOOT. CRACKED. NOSE RADOME BOOT CRACKED. REPLACED NOSE RADOME BOOT IAW AMM 53-52-00.
- [SDR SWAA2025111333402](https://openairdocs.org/sdr/SWAA2025111333402), Nov 9, 2025: SUPPORT. CORRODED. LEFT WING LEADING EDGE; NR 3 SLAT TAI DUCT, OTBD SUPPORT STRUCTURE IS CORRODED. WING STATION OFSS 418. REPLACED TAI SUPPORT ASSY PER SRM 51-10-02.;[02] C/W INSP
- [SDR SWAA2025111330742](https://openairdocs.org/sdr/SWAA2025111330742), Nov 1, 2025: BATTERY PACK. INOPERATIVE. OVERWING FORWARD L/H AND R/H EMERGENCY ESCAPE HATCH LIGHTS INOPERATIVE. REMOVED AND REPLACED THE EMERGANCY LIGHT BATTERY PACK ON THE LT SIDE. OPS CHECKED GOOD I
- [SDR SWAA2025111328441](https://openairdocs.org/sdr/SWAA2025111328441), Oct 25, 2025: NUT PLATE. DEBONDED. AFT CARGO LEFT FLOOR TRANSITION ANGLE FROM BS 727I TO 787, DISBONDED NUTPLATES (QTY.10).<[01] INSTALLED BONDED NUTPLATES (QTY.10) ON AFT CARGO L/H FLOOR TRANSIT
- [SDR SWAA2025111328439](https://openairdocs.org/sdr/SWAA2025111328439), Oct 25, 2025: ANGLE. DEBONDED. AFT CARGO RT FLOOR TRANSITION ANGLE FROM STA 727J TO STA 767 DISBONDED NUTPLATES (QTY.6). INSTALLED BONDED NUTPLATES (QTY.6) ON AFT CARGO R/H FLOOR TRANSITION A
- [SDR SWAA2025111328440](https://openairdocs.org/sdr/SWAA2025111328440), Oct 25, 2025: SUPPORT ANGLE. CRACKED. #1 ENGINE I/B FAN COWL OIL ACCESS DOOR 414AR INNER SUPPORT ANGLE CRACKED. REMOVED AND REPLACED INNER SUPPORT ANGLE PER SRM 51-40-02.
- [SDR SWAA2025111327538](https://openairdocs.org/sdr/SWAA2025111327538), Oct 23, 2025: ATTACH ANGLE. CRACKED. SEAT TRACK NR 1 ATTACH ANGLE CRACKED ON INBD SIDE OF SEAT TRACK IN RADIUS AT BS 727B UNDER FLOORBOARD 241EF. REMOVED DAMAGED SPLICE STRAP AT BS 727B; LBL 45.5 P
- [SDR SWAA2025111327424](https://openairdocs.org/sdr/SWAA2025111327424), Oct 23, 2025: ATTACH ANGLE. CRACKED. RIGHT VAPOR BARRIER ATTACH ANGLE BS 663 CRACKED AT FASTENER RBL 31. REMOVED DAMAGED SECTION OF RH STA 663 VAPOR BARRIER ATTACH ANGLE FROM RBL 31 TO RBL 65 PER S
- [SDR SWAA2025111327044](https://openairdocs.org/sdr/SWAA2025111327044), Oct 22, 2025: ATTACH BRACKET. CRACKED. SEAT TRACK NR 4 ATTACH BRACKET CRACKED AT BS 727B UNDER FLOORBOARD 242DF. REMOVED DAMAGED SPLICE STRAP AT BS 727B; RBL 45.5 IAW SRM 51-40-02. LOCATED AND DRILLE
- [SDR SWAA2025082909598](https://openairdocs.org/sdr/SWAA2025082909598), Aug 28, 2025: FLASHLIGHT. INOPERATIVE. FLASHLIGHT FWD FLIGHT ATTENDANT JUMP SEAT INOP. CHECKED BOTH FWD FLIGHT ATTENDANT SEAT FLASHLIGHTS; BOTH OPS CHECK GOOD. REINSTALLED IAW SIP.
- [SDR SWAA2025070787977](https://openairdocs.org/sdr/SWAA2025070787977), Jul 3, 2025: FLASHLIGHT. NOT SEATED. 2 AFT STATION EMERGENCY FLASHLIGHTS INOP. RESTEATED FLASHLIGHTS OPS CHECK GOOD ER AMM 25-64-00 MEL CLEARED.
- [SDR SWAA2025070387523](https://openairdocs.org/sdr/SWAA2025070387523), Jul 2, 2025: CHARGER. OVERHEATED. FWD GALLEY EMERGENCY LIGHT BATTERY PACK CHARGER (M02816) OVERHEATING/SMOKING<[01] REMOVED AND REPLACED M02816 POWER SUPPLY CHARGER AND BATTERY PACK. DEEP CYCLE 
- [SDR SWAA2025022097337](https://openairdocs.org/sdr/SWAA2025022097337), Feb 18, 2025: BRACKET. CONTAMINATED. AFTER LANDING ATC REPORTED POSSIBLE SMOKE FROM LEFT MAIN LANDING GEAR. ARFF CAME TO THE A/C AND AFTER 10 MINUTES CLEARED US TO PARK AT THE GATE.MECHANIC ON SITE
- [SDR SWAA2025012087711](https://openairdocs.org/sdr/SWAA2025012087711), Jan 19, 2025: LAMP. INOPERATIVE. LIGHTBULB IN AFT SEATBELT SIGN NOT WORKING.<[01] RELAMPED IAW AMM 33-51-14.
- [SDR SWAA2024112560399](https://openairdocs.org/sdr/SWAA2024112560399), Nov 16, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS CONTROLLED BY BATTERY PACK M2816 ARE INOP.<[01] 01 - REMOVED AND REPLACED PER [AMM 33-51-06-960-805-NG (POWER SUPPLY - BATTERY PACK REPLACEMENT
- [SDR SWAA2024112560396](https://openairdocs.org/sdr/SWAA2024112560396), Nov 16, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS CONTROLLED BY BATTERY PACK M2335 ARE INOP.<[01] 01 - REMOVED AND REPLACED BATTERY PACK; OP CK GOOD PER [AMM 33-51-06-960-805-NG (POWER SUPPLY -
- [SDR SWAA2024112560397](https://openairdocs.org/sdr/SWAA2024112560397), Nov 16, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS CONTROLLED BY BATTERY PACK M1695 ARE INOP.<[01] 01 - REMOVED AND REPLACED BATTERY PACK; OP CK GOOD PER [AMM 33-51-06-960-805-NG (POWER SUPPLY -
- [SDR SWAA2024112560400](https://openairdocs.org/sdr/SWAA2024112560400), Nov 16, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS CONTROLLED BY BATTERY PACK M1670 ARE INOP.<[01] 01 - REMOVED AND REPLACED BATTERY PACK; OP CK GOOD PER [AMM 33-51-06-960-805-NG (POWER SUPPLY -
- [SDR SWAA2024112560398](https://openairdocs.org/sdr/SWAA2024112560398), Nov 16, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS CONTROLLED BY BATTERY PACK M1671 ARE INOP.<[01] 01 - REMOVED AND REPLACED BATTERY PACK; OP CK GOOD PER [AMM 33-51-06-960-805-NG (POWER SUPPLY -
- [SDR SWAA2024112560402](https://openairdocs.org/sdr/SWAA2024112560402), Nov 16, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHTS CONTROLLED BY BATTERY PACK M1672 ARE INOP.<[01] REMOVED AND REPLACED EMERGENCY LIGHTS BATTERY PACK M1672 IAW AMM 33-51-06. OPS CHECK GOOD.;[02]
- [SDR SWAA2024112556598](https://openairdocs.org/sdr/SWAA2024112556598), Nov 4, 2024: FLOOR PANEL. CORRODED. FLOOR PANEL HOLE AT STA 947 LBL 4.5 & LBK 12 ON THE AFT FLANGE OF THE T REQUIRE RELOCATION DUE TO BEING IN THE RADIUS<[01] REPAIRED PANEL FASTENER HOLE AND INST
- [SDR SWAA2024112155827](https://openairdocs.org/sdr/SWAA2024112155827), Nov 1, 2024: ANGLE. ELONGATED. IN THE AFT CARGO BAY RIGHT HAND SIDE AFT OF THE DOOR; THE SHIELD ASSEMBLY FWD INBD SUPPORT/MOUNT ANGLE HAS AN ELONGATED HOLE WITH AN INDICATION OF A CRACK.<[01]
- [SDR SWAA2024112553572](https://openairdocs.org/sdr/SWAA2024112553572), Oct 25, 2024: INTERCOSTAL. CRACKED. PASSENGER CABIN; FLOOR PANEL INTERCOSTAL (BREAK ASSY.) CRACKED AT STA.540 BL-0 TO LBL24<[01] REMOVED AND REPLACED L/H INTERCOSTAL PER SRM 51-40-02;[02] INSPECTI
- [SDR SWAA2024112153571](https://openairdocs.org/sdr/SWAA2024112153571), Oct 25, 2024: INTERCOSTAL. CRACKED. PASSENGER CABIN; FLOOR PANEL INTERCOSTAL (BREAK ASSY.)CRACKED AT STA.540 BL-0 TO RBL24<[01] REMOVED AND REPLACED R/H INTERCOSTAL PER SRM 51-40-02;[02] INSPECTIO
- [SDR SWAA2024112551779](https://openairdocs.org/sdr/SWAA2024112551779), Oct 22, 2024: INTERCOSTAL. CORRODED. CORROSION ON FLOOR INTERCOSTAL AT B/S 947 LBL51<[01] FOUND INTERCOSTAL TO BE OUT OF LIMITS PER SRM 53-70-51-1A-1. INTERCOSTAL TO BE REMOVED AND REPLACED ON [TTG
- [SDR SWAA2024112550978](https://openairdocs.org/sdr/SWAA2024112550978), Oct 20, 2024: ANGLE. CORRODED. FORWARD PASSENGER COMPARTMENT FLOOR STRUCTURE WET AREA UNDER FWD ENTRY DOOR THRESHOLD HAS MULTIPLE LARGE AREAS OF CORROSION ON CREASE BEAM. (MARKED)<[01] REMOVE
- [SDR SWAA2024112550976](https://openairdocs.org/sdr/SWAA2024112550976), Oct 20, 2024: ANGLE. ELONGATED. IN THE AFT CARGO BAY RIGHT HAND SIDED AFT OF THE DOOR; THE SHIELD ASSEMBLY FWD INBD SUPPORT/MOUNT ANGLE HAS AN ELONGATED HOLE. STATION 847+6 RBL15.<[01] LOCATED
- [SDR SWAA2024112550872](https://openairdocs.org/sdr/SWAA2024112550872), Oct 19, 2024: INTERCOSTAL. CORRODED. PASSENGER AREA STA 947; LBL 24 UNDER AFT LAV MOUNT HAS EVIDENT OF CORROSION.<[01] FOUND INTERCOSTAL TO BE OUT OF LIMITS PER SRM 53-70-51-1A-1. INTERCOSTAL TO BE
- [SDR SWAA2024112550868](https://openairdocs.org/sdr/SWAA2024112550868), Oct 19, 2024: ANGLE. CORRODED. SURFACE CORROSION FOUND ON CREASE BEAM ANGLE IN FWD PASSENGER CABIN FLOOR STRUCTURE WET AREA ON LEFT SIDE NEAR L1 ENTRY THRESHOLD; AT STA 294.5 +8'. (MARKED)<[0
- [SDR SWAA2024112550873](https://openairdocs.org/sdr/SWAA2024112550873), Oct 19, 2024: INTERCOSTAL. CORRODED. 'PASSENGER AREA STA947 LBL 24 INTERCOSTAL TOP SURFACE HAS CORROSION.<[01] FOUND INTERCOSTAL TO BE OUT OF LIMITS PER SRM 53-70-51-1A-1. INTERCOSTAL TO BE REMOVED
- [SDR SWAA2024112550875](https://openairdocs.org/sdr/SWAA2024112550875), Oct 19, 2024: ANGLE. CORRODED. PASSSENGER AREA STA 984 ; LBL47 CREASE BEAM HAS CORROSION ON VERTICAL SURFACE .<[01] CORROSION FOUND TO BE OUT OF LIMITS PER SRM 53-70-15-1A-1. <BR><BR>Z ANGLE 
- [SDR SWAA2024112550871](https://openairdocs.org/sdr/SWAA2024112550871), Oct 19, 2024: FLOORBEAM. CORRODED. .PASSENGER AREA STA 947;LBL16 FLOOR BEAM TOP CAP HAS CORROSION..<[01] CORROSION FOUND OUT OF LIMITS PER SRM 53-70-15-1A-1. REMOVED DAMAGED SECTION OF FLOOR BEAM
- [SDR SWAA2024112150874](https://openairdocs.org/sdr/SWAA2024112150874), Oct 19, 2024: INTERCOSTAL. CORRODED. PASSENGER AREA STA 949; LBL50 FLOOR SUPPORT UNDER LAV MOUNT HAS CORROSION .<[01] FOUND INTERCOSTAL TO BE OUT OF LIMITS PER SRM 53-70-51-1A-1. INTERCOSTAL TO BE 
- [SDR SWAA2024112550158](https://openairdocs.org/sdr/SWAA2024112550158), Oct 18, 2024: ANGLE. CORRODED. FWD CARGO R/H TRANSITION ANGLE HAS CORROSION BS 492-500A<[01] REMOVED FWD CARGO R/H TRANSITION ANGLE (AFT DOOR CUTOUT SHIELD) BS 492-500A PER SRM 51-40-02.;[02]
- [SDR SWAA2024112550161](https://openairdocs.org/sdr/SWAA2024112550161), Oct 18, 2024: ANGLE. CORRODED. AFT CARGO L/H TRANSITION ANGLE HAS CORROSION AT N/P HOLES STA.727H +2;+6;+9++13+16+20. MRKD<[01] REMOVED L/H TRANSITION ANGLE PER SRM 51-40-02;[02] UPDATED MEAS
- [SDR SWAA2024112550178](https://openairdocs.org/sdr/SWAA2024112550178), Oct 18, 2024: ANGLE. CORRODED. AFT CARGO R/H TRANSITION ANGLE HAS CORROSION AT N/P HOLES UNDERSIDE STA.849-850. MRKD<[01] BLENDED CORROSION AND FOUND TO BE OUT OF LIMITS IN REFERENCE TO SRM 5
- [SDR SWAA2024112150177](https://openairdocs.org/sdr/SWAA2024112150177), Oct 18, 2024: ANGLE. CORRODED. AFT CARGO R/H TRANSITION ANGLE HAS CORROSION AT N/P HOLES ON UNDERSIDE STA.767-794. MRKD<[01] BLENDED CORROSION AND FOUND TO BE OUT OF LIMIT IN REFERENCE TO SRM
- [SDR SWAA2024112150157](https://openairdocs.org/sdr/SWAA2024112150157), Oct 18, 2024: ANGLE. CORRODED. AFT CARGO L/H TRANSITION ANGLE HAS CORROSION AT N/P HOLE STA.727F+16. MRKD<[01] UPDATED CORRODED ELEMENT PART NUMBER;[02] COMPLETED ON TTG8Q00WHFNR;[03] COMPLET
- [SDR SWAA2024112150170](https://openairdocs.org/sdr/SWAA2024112150170), Oct 18, 2024: ANGLE. CORRODED. FWD CARGO L/H TRANSITION ANGLE HAS CORROSION AT NUMERUS NUT PLATE HOLES BS 500A - 500H (SEE ATTACHED PICS)<[01] BLENDED THE CORROSION AND FOUND TO BE OUT OF LIM
- [SDR SWAA2024112150160](https://openairdocs.org/sdr/SWAA2024112150160), Oct 18, 2024: FLOOR PANEL. CORRODED. FWD CARGO; AFT BULKHEAD TO FLOOR CORD HAS CORROSION BS 500I LBL 16<[01] BLENDED THE CORROSION AND FOUND TO BE OUT OF LIMIT PER SRM 53-30-08-1A-1.;[02] REMOVED F
- [SDR SWAA2024112150171](https://openairdocs.org/sdr/SWAA2024112150171), Oct 18, 2024: ANGLE. CORRODED. AFT CARGO L/H TRANSITION ANGLE HAS CORROSION AT N/P HOLES STA.727I +3+8+10.5+14.5+18.5. MRKD<[01] UPDATED CORRODED ELEMENT PART NUMBER;[02] COMPLETED ON TTG8Q00
- [SDR SWAA2024112150172](https://openairdocs.org/sdr/SWAA2024112150172), Oct 18, 2024: ANGLE. CORRODED. AFT CARGO L/H TRANSITION ANGLE HAS CORROSION AT N/P HOLES STA.727J +6+10=14.5. MRKD<[01] UPDATED CORRODED ELEMENT PART NUMBER;[02] COMPLETED ON TTG8Q00WHFNR;[03
- [SDR SWAA2024112150162](https://openairdocs.org/sdr/SWAA2024112150162), Oct 18, 2024: ANGLE. CORRODED. AFT CARGO L/H TRANSITION ANGLE HAS CORROSION AT N/P HOLES STA.747-767. MRKD<[01] UPDATED CORRODED ELEMENT PART NUMBER;[02] COMPLETED ON TTG8Q00WHFNR;[03] COMPLE
- [SDR SWAA2024112150173](https://openairdocs.org/sdr/SWAA2024112150173), Oct 18, 2024: ANGLE. CORRODED. AFT CARGO L/H TRANSITION ANGLE HAS CORROSION AT N/P HOLES STA.767-787. MRKD<[01] UPDATED CORRODED ELEMENT PART NUMBER;[02] COMPLETED ON TTG8Q00WHFNR;[03] COMPLE
- [SDR SWAA2024112150174](https://openairdocs.org/sdr/SWAA2024112150174), Oct 18, 2024: ANGLE. CORRODED. AFT CARGO L/H TRANSITION ANGLE HAS CORROSION AT N/P HOLES STA.787-807. MRKD<[01] UPDATED CORRODED ELEMENT PART NUMBER;[02] COMPLETED ON CARD TTG8Q00WHFNR;[03] C
- [SDR SWAA2024112150163](https://openairdocs.org/sdr/SWAA2024112150163), Oct 18, 2024: ANGLE. CORRODED. AFT CARGO R/H TRANSITION ANGLE HAS CORROSION AT N/P HOLE STA.727E+20.MRKD<[01] REMOVED R/H TRANSITION ANGLE STA 727-767. IAW SRM 51-40-02.;[02] LOCATED AND DRIL

All 102: https://openairdocs.org/aircraft/N8509U/reports.md

## STCs that may be installed (OpenAirDocs) (785, 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 737-800)

- [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 785: https://openairdocs.org/aircraft/N8509U/stcs.md

## Earlier aircraft with N8509U

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N8509U before.

- [Cancelled 2008-09-18](https://openairdocs.org/deregistered/N8509U-2008-09-18): Coggins-Ehmig-Levy MONNETT-MONERAI, S/N 00269, built 1986. Triennial form not returned. Owner: [Robertson James E](https://openairdocs.org/faa-owner/ROBERTSON%20JAMES%20E), [Minooka, IL](https://openairdocs.org/faa-place/IL/Minooka)
- [Cancelled 1974-01-29](https://openairdocs.org/deregistered/N8509U-1974-01-29): Cessna 172F, S/N 17252409. Owner: [Lynn Mcelroy DBA Mcelroy Aircraft Salvage](https://openairdocs.org/faa-owner/LYNN%20MCELROY%20DBA%20MCELROY%20AIRCRAFT%20SALVAGE), [Shelbyville, IL](https://openairdocs.org/faa-place/IL/Shelbyville)

## Related

- Other Boeing 737-800 aircraft: https://openairdocs.org/model/boeing-737-800/aircraft.md
- The CFM International CFM56-7B27E/F series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b27e-f-series.md

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