# N539UW: 2009 Airbus A321-231

- Status: Valid registration
- Airframe: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (registry code 3940032, 379 seats)
- Engine: [IAE V2533-A5](https://openairdocs.org/engine/iae-v2533-a5) (registry code 34611)
- Data sheets: [TCDS A28NM](https://openairdocs.org/tcds/A28NM) (Airbus SAS), [TCDS E40NE](https://openairdocs.org/tcds/E40NE) (International Aero Engines AG (IAE)) (OpenAirDocs)
- Serial number: 4082
- Year built: 2009
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: October 31, 2009
- Certificate issued: December 30, 2015
- Expires: December 31, 2028
- Mode S code: A6D3B3
- Registered owner: [American Airlines Inc](https://openairdocs.org/faa-owner/AMERICAN%20AIRLINES%20INC)
- Location: [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth)
- Owner type: Corporation
- Owner's area on the map: 32.8240° N, 97.0491° W: Placed by OpenAirDocs at the center of ZIP code 76155, 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=539UW
- Page: https://openairdocs.org/aircraft/N539UW

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.

## ADs that may apply (OpenAirDocs): 293 in force

### Matched by airframe (Airbus A321-231)

- [AD 2026-17-04](https://openairdocs.org/ad/2026-17-04): Landing Gear · Airbus A318-111, A318-112, A318-121 and 46 more. Effective Oct 1, 2026
- [AD 2026-17-01](https://openairdocs.org/ad/2026-17-01): Fuselage · Airbus A320-211, A320-212, A320-214 and 12 more. Effective Oct 1, 2026
- [AD 2026-18-03](https://openairdocs.org/ad/2026-18-03): Wings · Airbus A318-112, A319-115, A319-132 and 14 more. Effective Sep 18, 2026
- [AD 2026-14-04](https://openairdocs.org/ad/2026-14-04): Fuselage · Airbus A319-111, A319-112, A319-113 and 56 more. Effective Aug 14, 2026
- [AD 2026-12-02](https://openairdocs.org/ad/2026-12-02): Fuselage · Airbus A318-111, A318-112, A318-121 and 46 more. Effective Jul 14, 2026
- [AD 2026-10-17](https://openairdocs.org/ad/2026-10-17): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jul 6, 2026
- [AD 2026-10-15](https://openairdocs.org/ad/2026-10-15): Fuselage · Airbus A318-111, A318-112, A318-122 and 35 more. Effective Jul 6, 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 2026-09-17](https://openairdocs.org/ad/2026-09-17): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 45 more. Effective Jun 18, 2026
- [AD 2026-09-16](https://openairdocs.org/ad/2026-09-16): Fuselage · Airbus A319-111, A319-112, A319-113 and 33 more. Effective Jun 18, 2026
- [AD 2026-11-04](https://openairdocs.org/ad/2026-11-04): Stabilizers · Airbus A319-111, A319-112, A319-113 and 40 more. Effective Jun 15, 2026
- [AD 2026-09-03](https://openairdocs.org/ad/2026-09-03): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 45 more. Effective Jun 12, 2026
- [AD 2026-03-10](https://openairdocs.org/ad/2026-03-10): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 45 more. Effective Apr 8, 2026
- [AD 2025-23-09](https://openairdocs.org/ad/2025-23-09): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jan 13, 2026
- [AD 2025-24-51](https://openairdocs.org/ad/2025-24-51): Flight controls · Airbus A319-111, A319-112, A319-113 and 37 more. Effective Jan 6, 2026
- [AD 2025-20-19](https://openairdocs.org/ad/2025-20-19): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jan 2, 2026
- [AD 2025-20-15](https://openairdocs.org/ad/2025-20-15): Fuselage · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jan 2, 2026
- [AD 2025-19-08](https://openairdocs.org/ad/2025-19-08): Wings · Airbus A319-111, A319-113, A319-112 and 17 more. Effective Dec 30, 2025
- [AD 2025-18-03](https://openairdocs.org/ad/2025-18-03): Oxygen · Airbus A318-111, A318-112, A318-121 and 70 more. Effective Oct 20, 2025
- [AD 2025-17-05](https://openairdocs.org/ad/2025-17-05): Fuselage · Airbus A321-111, A321-112, A321-131 and 5 more. Effective Oct 1, 2025
- [AD 2025-16-10](https://openairdocs.org/ad/2025-16-10): Flight controls · Airbus A318-111, A318-112, A318-121 and 44 more. Effective Sep 22, 2025
- [AD 2025-16-04](https://openairdocs.org/ad/2025-16-04): Equipment/furnishings · Airbus A318-111, A318-112, A318-121 and 46 more. Effective Sep 18, 2025
- [AD 2025-17-17](https://openairdocs.org/ad/2025-17-17): Landing Gear · Airbus A318-111, A318-112, A318-121 and 46 more. Effective Sep 17, 2025
- [AD 2025-13-10](https://openairdocs.org/ad/2025-13-10): Wings · Airbus A319-111, A319-112, A319-113 and 36 more. Effective Aug 14, 2025
- [AD 2025-10-07](https://openairdocs.org/ad/2025-10-07): Fuselage · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jun 26, 2025
- [AD 2025-10-05](https://openairdocs.org/ad/2025-10-05): Landing gear · Airbus A321-111, A321-112, A321-131 and 15 more. Effective Jun 26, 2025
- [AD 2025-09-05](https://openairdocs.org/ad/2025-09-05): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jun 5, 2025
- [AD 2025-02-04](https://openairdocs.org/ad/2025-02-04): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Mar 17, 2025
- [AD 2025-01-02](https://openairdocs.org/ad/2025-01-02): Fuselage · Airbus A319-111, A319-112, A319-113 and 20 more. Effective Mar 11, 2025
- [AD 2024-26-05](https://openairdocs.org/ad/2024-26-05): Oxygen · Airbus A300 B4-601, A300 B4-603, A300 B4-620 and 87 more. Effective Mar 11, 2025
- [AD 2024-25-12](https://openairdocs.org/ad/2024-25-12): Landing gear · Airbus A319-111, A319-112, A319-113 and 35 more. Effective Mar 7, 2025
- [AD 2025-03-08](https://openairdocs.org/ad/2025-03-08): Flight Controls · Airbus A318-111, A318-112, A318-121 and 70 more. Effective Feb 26, 2025
- [AD 2024-26-04](https://openairdocs.org/ad/2024-26-04): Pneumatic · Airbus A318-111, A318-112, A318-121 and 44 more. Effective Feb 18, 2025
- [AD 2024-24-10](https://openairdocs.org/ad/2024-24-10): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jan 13, 2025
- [AD 2024-24-09](https://openairdocs.org/ad/2024-24-09): Equipment/Furnishings · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jan 13, 2025
- [AD 2024-19-15](https://openairdocs.org/ad/2024-19-15): Oxygen · Safran Aerosystems Oxygen Cylinder, Valve Assembly, Oxygen Valve and 103 more. Effective Nov 26, 2024
- [AD 2024-12-01](https://openairdocs.org/ad/2024-12-01): Wings · Airbus A318-111, A318-112, A318-121 and 25 more. Effective Aug 13, 2024
- [AD 2024-11-01](https://openairdocs.org/ad/2024-11-01): Electrical Power · Airbus A300 B4-2C, A300 B4-103, A300 B4-203 and 94 more. Effective Jul 3, 2024
- [AD 2024-08-08](https://openairdocs.org/ad/2024-08-08): Electrical Power · Airbus A300 B4-2C, A300 B4-103, A300 B4-203 and 94 more. Effective Jun 6, 2024
- [AD 2024-06-07](https://openairdocs.org/ad/2024-06-07): Wings · Airbus A319-115, A320-214, A320-216 and 14 more. Effective May 22, 2024
- [AD 2024-04-04](https://openairdocs.org/ad/2024-04-04): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Apr 22, 2024
- [AD 2023-23-11](https://openairdocs.org/ad/2023-23-11): Landing gear · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jan 23, 2024
- [AD 2023-23-04](https://openairdocs.org/ad/2023-23-04): Wings · Airbus A321-111, A321-112, A321-131 and 5 more. Effective Jan 16, 2024
- [AD 2023-23-08](https://openairdocs.org/ad/2023-23-08): Electric and electronic common installation · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jan 5, 2024
- [AD 2023-20-12](https://openairdocs.org/ad/2023-20-12): Equipment/Furnishings · Airbus A318-111, A318-112, A318-121 and 38 more. Effective Nov 21, 2023
- [AD 2023-18-02](https://openairdocs.org/ad/2023-18-02): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Oct 24, 2023
- [AD 2023-13-03](https://openairdocs.org/ad/2023-13-03): Doors · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Sep 5, 2023
- [AD 2023-13-01](https://openairdocs.org/ad/2023-13-01): Fuel · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jul 12, 2023
- [AD 2023-09-11](https://openairdocs.org/ad/2023-09-11): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jul 10, 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

### Matched by engine (IAE V2533-A5)

- [AD 2026-17-03](https://openairdocs.org/ad/2026-17-03): Turbine Engine Compressor Section · International Aero Engines V2522-A5, V2524-A5, V2525-D5 and 7 more. Effective Sep 24, 2026
- [AD 2025-19-13](https://openairdocs.org/ad/2025-19-13): Turbine Section · International Aero Engines V2522-A5, V2524-A5, V2525-D5 and 7 more. Effective Oct 29, 2025
- [AD 2025-17-16](https://openairdocs.org/ad/2025-17-16): Turbine Engine Compressor Sections · International Aero Engines V2522-A5, V2524-A5, V2525-D5 and 7 more. Effective Oct 10, 2025
- [AD 2024-11-03](https://openairdocs.org/ad/2024-11-03): Turbine Engine · International Aero Engines V2522-A5, V2524-A5, V2525-D5 and 7 more. Effective Jun 26, 2024
- [AD 2022-02-09](https://openairdocs.org/ad/2022-02-09): Turbine Section · International Aero Engines V2522-A5, V2524-A5, V2525-D5 and 7 more. Effective Mar 15, 2022
- [AD 2021-14-19](https://openairdocs.org/ad/2021-14-19): Turbine Section · International Aero Engines V2522-A5, V2524-A5, V2525-D5 and 7 more. Effective Aug 5, 2021
- [AD 2021-11-51](https://openairdocs.org/ad/2021-11-51): Turbine Section · International Aero Engines V2522-A5, V2524-A5, V2527-A5 and 4 more. Effective Jul 19, 2021
- [AD 2021-05-18](https://openairdocs.org/ad/2021-05-18): Turbine Section · International Aero Engines V2500-A1, V2522-A5, V2524-A5 and 8 more. Effective Apr 29, 2021
- [AD 2021-01-03](https://openairdocs.org/ad/2021-01-03): Turbine Section · International Aero Engines V2500-A1, V2522-A5, V2524-A5 and 8 more. Effective Jan 21, 2021
- [AD 2020-09-03](https://openairdocs.org/ad/2020-09-03): Turbine Engine Compressor Section · International Aero Engines V2500-A1, V2522-A5, V2524-A5 and 8 more. Effective May 29, 2020
- [AD 2020-07-51](https://openairdocs.org/ad/2020-07-51): Turbine Section · International Aero Engines V2522-A5, V2524-A5, V2525-D5 and 6 more. Effective Apr 28, 2020
- [AD 2019-18-01](https://openairdocs.org/ad/2019-18-01): Turbine Section · International Aero Engines V2522-A5, V2524-A5, V2527-A5 and 4 more. Effective Oct 15, 2019
- [AD 2017-14-07](https://openairdocs.org/ad/2017-14-07): Turbine Engine · International Aero Engines V2522-A5, V2524-A5, V2525-D5 and 7 more. Effective Aug 21, 2017
- [AD 2016-25-11](https://openairdocs.org/ad/2016-25-11): No. 3 bearing · International Aero Engines V2522-A5, V2524-A5, V2525-D5 and 7 more. Effective Jan 20, 2017
- [AD 2016-18-10](https://openairdocs.org/ad/2016-18-10): High- pressure turbine (HPT) stage 2 hub · International Aero Engines V2522-A5, V2524-A5, V2525-D5 and 6 more. Effective Oct 7, 2016
- [AD 2015-10-04](https://openairdocs.org/ad/2015-10-04): HPC stage 3 to 8 drum · International Aero Engines V2500-A1, V2522-A5, V2524-A5 and 7 more. Effective Jul 1, 2015
- [AD 2011-25-08](https://openairdocs.org/ad/2011-25-08): High- pressure turbine (HPT) case burn-through events · International Aero Engines V2500-A1, V2522-A5, V2524-A5 and 7 more. Effective Jan 17, 2012
- [AD 2010-06-18](https://openairdocs.org/ad/2010-06-18): Vortex reducers · International Aero Engines V2500-A1, V2522-A5, V2524-A5 and 7 more. Effective Apr 22, 2010
- [AD 2008-14-15](https://openairdocs.org/ad/2008-14-15): No. 4 bearing oil system components · International Aero Engines V2500-A1, V2522-A5, V2524-A5 and 7 more. Effective Aug 20, 2008
- [AD 2007-21-05](https://openairdocs.org/ad/2007-21-05): Monitoring of N2 vibration on all IAE V2500 series engines · International Aero Engines V2500-A1, V2522-A5, V2524-A5 and 7 more. Effective Nov 15, 2007
- [AD 2006-25-01](https://openairdocs.org/ad/2006-25-01): Master magnetic chip detector (MCD) · International Aero Engines V2522-A5, V2524-A5, V2527-A5 and 4 more. Effective Jan 8, 2007
- [AD 2004-12-08](https://openairdocs.org/ad/2004-12-08): Airworthiness Limitations Section (ALS) · International Aero Engines V2500-A1, V2522-A5, V2524-A5 and 7 more. Effective Jul 23, 2004
- [AD 2000-22-07](https://openairdocs.org/ad/2000-22-07): High Pressure Turbine (HPT) · International Aero Engines V2522-A5, V2524-A5, V2525-D5 and 6 more. Effective Dec 6, 2000
- [AD 99-13-01](https://openairdocs.org/ad/99-13-01): High Pressure Turbine (HPT) Stage 1 Inner Rotating Airseal (TOBI ID seal) · International Aero Engines V2500-A1, V2522-A5, V2524-A5 and 4 more. Effective Jun 25, 1999
- [AD 99-04-03](https://openairdocs.org/ad/99-04-03): High Pressure Compressor (HPC) Stage 9-12 Drum · International Aero Engines V2522-A5, V2524-A5, V2525-D5 and 5 more. Effective Apr 12, 1999

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

- [AD 2025-17-07](https://openairdocs.org/ad/2025-17-07) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 44 more. Effective Oct 1, 2025
- [AD 2025-10-12](https://openairdocs.org/ad/2025-10-12) (historical): Fuselage · Airbus A319-111, A319-112, A319-113 and 55 more. Effective Jul 2, 2025
- [AD 2025-03-07](https://openairdocs.org/ad/2025-03-07) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Mar 21, 2025
- [AD 2025-03-06](https://openairdocs.org/ad/2025-03-06) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Mar 21, 2025
- [AD 2024-25-06](https://openairdocs.org/ad/2024-25-06) (historical): Landing Gear · Airbus A318-111, A318-112, A318-121 and 44 more. Effective Dec 30, 2024
- [AD 2024-19-13](https://openairdocs.org/ad/2024-19-13) (historical): Time Limits/Maintenance Checks · Airbus A320-211, A320-212, A320-214 and 43 more. Effective Nov 26, 2024
- [AD 2024-04-07](https://openairdocs.org/ad/2024-04-07) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Apr 22, 2024
- [AD 2024-04-03](https://openairdocs.org/ad/2024-04-03) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Apr 19, 2024
- [AD 2023-25-09](https://openairdocs.org/ad/2023-25-09) (historical): Oxygen · Airbus A318-111, A318-112, A318-121 and 69 more. Effective Feb 7, 2024
- [AD 2023-13-11](https://openairdocs.org/ad/2023-13-11) (historical): Oxygen · AVOX Systems Oxygen valve assemblies (body and gage assemblies), Oxygen cylinder and valve assemblies, A300 B2-1A and 102 more. Effective Sep 5, 2023
- [AD 2023-13-10](https://openairdocs.org/ad/2023-13-10) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Sep 5, 2023
- [AD 2023-09-01](https://openairdocs.org/ad/2023-09-01) (historical): Pneumatic · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jun 26, 2023
- [AD 2023-05-02](https://openairdocs.org/ad/2023-05-02) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Apr 18, 2023
- [AD 2023-04-06](https://openairdocs.org/ad/2023-04-06) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Apr 10, 2023
- [AD 2022-24-05](https://openairdocs.org/ad/2022-24-05) (historical): Equipment/Furnishings · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jan 9, 2023
- [AD 2022-22-10](https://openairdocs.org/ad/2022-22-10) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Dec 30, 2022
- [AD 2022-18-09](https://openairdocs.org/ad/2022-18-09) (historical): Equipment/Furnishings · Airbus A319-111, A319-112, A319-113 and 24 more. Effective Oct 20, 2022
- [AD 2022-15-05](https://openairdocs.org/ad/2022-15-05) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Aug 31, 2022
- [AD 2022-14-10](https://openairdocs.org/ad/2022-14-10) (historical): Wings · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Aug 19, 2022
- [AD 2022-09-16](https://openairdocs.org/ad/2022-09-16) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Jun 30, 2022
- [AD 2022-08-08](https://openairdocs.org/ad/2022-08-08) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective May 26, 2022
- [AD 2022-07-08](https://openairdocs.org/ad/2022-07-08) (historical): Time Limits/Maintenance Checks, Flight Controls · Airbus A318-111, A318-112, A318-121 and 43 more. Effective May 19, 2022
- [AD 2022-07-15](https://openairdocs.org/ad/2022-07-15) (historical): Landing gear · Airbus A318-111, A318-112, A318-121 and 43 more. Effective May 2, 2022
- [AD 2022-06-02](https://openairdocs.org/ad/2022-06-02) (historical): Equipment/furnishings · Airbus A318-111, A318-112, A319-111 and 22 more. Effective Apr 26, 2022
- [AD 2022-04-09](https://openairdocs.org/ad/2022-04-09) (historical): Oxygen System · Airbus A300 B2-1A, A300 B2-1C, A300 B2K-3C and 94 more. Effective Apr 4, 2022
- [AD 2022-04-03](https://openairdocs.org/ad/2022-04-03) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Mar 30, 2022
- [AD 2022-02-11](https://openairdocs.org/ad/2022-02-11) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Mar 15, 2022
- [AD 2021-23-15](https://openairdocs.org/ad/2021-23-15) (historical): Equipment/Furnishings · Airbus A319-111, A319-112, A319-113 and 20 more. Effective Jan 10, 2022
- [AD 2021-25-14](https://openairdocs.org/ad/2021-25-14) (historical): Wings · Airbus A319-111, A319-112, A319-113 and 20 more. Effective Jan 5, 2022
- [AD 2021-22-04](https://openairdocs.org/ad/2021-22-04) (historical): Wings · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Dec 27, 2021
- [AD 2021-20-08](https://openairdocs.org/ad/2021-20-08) (historical): Electrical Power · Airbus A318-111, A318-112, A318-121 and 72 more. Effective Nov 18, 2021
- [AD 2021-16-01](https://openairdocs.org/ad/2021-16-01) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Sep 28, 2021
- [AD 2020-25-03](https://openairdocs.org/ad/2020-25-03) (historical): Equipment/furnishings · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Dec 28, 2020
- [AD 2020-22-16](https://openairdocs.org/ad/2020-22-16) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Dec 10, 2020
- [AD 2020-21-11](https://openairdocs.org/ad/2020-21-11) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Nov 20, 2020
- [AD 2020-21-10](https://openairdocs.org/ad/2020-21-10) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Nov 19, 2020
- [AD 2020-20-05](https://openairdocs.org/ad/2020-20-05) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Nov 19, 2020
- [AD 2020-16-01](https://openairdocs.org/ad/2020-16-01) (historical): Fire protection · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Aug 19, 2020
- [AD 2020-06-10](https://openairdocs.org/ad/2020-06-10) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective May 4, 2020
- [AD 2020-05-16](https://openairdocs.org/ad/2020-05-16) (historical): Wings · Airbus A319-115, A320-214, A320-216 and 11 more. Effective Apr 24, 2020
- [AD 2020-06-18](https://openairdocs.org/ad/2020-06-18) (historical): Flight controls · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Apr 2, 2020
- [AD 2019-26-11](https://openairdocs.org/ad/2019-26-11) (historical): Equipment/ furnishings · Airbus A318-112, A319-115, A319-132 and 11 more. Effective Mar 12, 2020
- [AD 2020-01-17](https://openairdocs.org/ad/2020-01-17) (historical): Equipment/ furnishings · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Feb 14, 2020
- [AD 2019-24-13](https://openairdocs.org/ad/2019-24-13) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Feb 3, 2020
- [AD 2019-23-01](https://openairdocs.org/ad/2019-23-01) (historical): Time Limits/ Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 37 more. Effective Jan 9, 2020
- [AD 2019-21-10](https://openairdocs.org/ad/2019-21-10) (historical): Wings · Airbus A321-111, A321-112, A321-131 and 5 more. Effective Dec 24, 2019
- [AD 2019-20-10](https://openairdocs.org/ad/2019-20-10) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Dec 18, 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 2019-19-15](https://openairdocs.org/ad/2019-19-15) (historical): Time Limits/ Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 36 more. Effective Nov 14, 2019
- [AD 2019-18-07](https://openairdocs.org/ad/2019-18-07) (historical): Fuselage · Airbus A319-111, A319-112, A319-113 and 20 more. Effective Oct 31, 2019

All 436: https://openairdocs.org/aircraft/N539UW/ads.md

## Information bulletins (advisory) (5 in force)

- [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-14-21](https://openairdocs.org/saib/NM-14-21): Communications: Honeywell RTA 44D VHF Transceivers. Issued Jun 3, 2014
- [SAIB NM-13-03](https://openairdocs.org/saib/NM-13-03): Hydraulic Power System: Power Transfer Unit. Issued Oct 23, 2012
- [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 2026-11](https://openairdocs.org/saib/2026-11): Theft of Turbofan Engine Parts before Mutilation. Issued Jun 8, 2026

## NTSB investigations

None matched to N539UW.

## FAA accident and incident reports

None matched to N539UW.

## Service difficulty reports (158, 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 AALA202609230984](https://openairdocs.org/sdr/AALA202609230984), Sep 22, 2026: OVEN. SMOKE. AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTS SMOKE FROM FORWARD GALLEY OVEN 2 AND THE SMOKE DISSIPATED WHEN THE OVEN WAS TURNED OFF - MAINTENANCE REPLACE
- [SDR AALA202609211179](https://openairdocs.org/sdr/AALA202609211179), Sep 20, 2026: LIFE VEST. MISSING. AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK JUMP SEAT DOES NOT HAVE THE LIFE VEST. - MAINTENANCE INSTALLED LIFEVEST PER AMM 25-66-00
- [SDR AALA202609061034](https://openairdocs.org/sdr/AALA202609061034), Sep 3, 2026: PRESSURE SWITCH. FAULTED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO DFW DUE TO THE FLIGHT CREW REPORTING WITH ENGINE 1 IDG INOPERATIVE AND ON MEL THE 
- [SDR AALA202608132921](https://openairdocs.org/sdr/AALA202608132921), Aug 12, 2026: A/C PACK. ODOR. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO CLT DUE TO THE FLIGHT CREW REPORTING A FUME EVENT STARTING AT SEAT ROW 32 AND EXTE
- [SDR AALA202607217011](https://openairdocs.org/sdr/AALA202607217011), Jul 18, 2026: HANDLE. LOOSE. AIRCRAFT WAS NOT GROUNDED: L2 DOOR ARM LEVER LOOSE REPORTED BY FLIGHT ATTENDANT. MAINTENANCE REATTACHED L2 SLIDE CONTROL HANDLE PER AMM 52-22-00 AND ACCOMPLISHE
- [SDR AALA202607092646](https://openairdocs.org/sdr/AALA202607092646), Jul 6, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: CHECK DOOR PRESSURE ON DOOR 3R MESSAGE DISPALYED ON FLIGHT ATTENDANTS PANEL. MAINTENANCE SERVICED THE 3R DOOR DAMOER AND EMERGENCY OP
- [SDR AALA202506092436](https://openairdocs.org/sdr/AALA202506092436), Jun 8, 2025: TIE CLIP. BROKEN. AIRCRAFT IN BASE MAINTENANCE: L1 DOOR SLIDE HAS BROKEN COVER CLIP. REPLACED SLIDE ASSEMBLY PER TASK CARD 26L00025010.
- [SDR AALA202505224253](https://openairdocs.org/sdr/AALA202505224253), May 22, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R3 EMERGENCY EXIT DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PE
- [SDR AALA202502271912](https://openairdocs.org/sdr/AALA202502271912), Feb 26, 2025: HANDLE. LOOSE. AIRCRAFT WAS NOT GROUNDED: DOOR 2R SLIDE DISARMED INDICATOR IS LOOSE. MAINTENANCE TIGHTENED THE R2 SLIDE ARM/DISARM TARGET HANDLE AND ACCOMPLISHED A SATISFACTOR
- [SDR AALA202502177670](https://openairdocs.org/sdr/AALA202502177670), Feb 14, 2025: BATTERY. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: AFT RIGHT FLIGHT ATTENDANT JUMPSEAT FLASHLIGHT CHARGE INDICATION LIGHT IS NOT FLASHING. MAINTENANCE REPLACED FLASHLIGHT BATTERY AND A
- [SDR AALA202410284595](https://openairdocs.org/sdr/AALA202410284595), Oct 26, 2024: LEVER. LOOSE. AIRCRAFT WAS NOT GROUNDED: DOOR 2R ARMING HANDLE NEEDS TO BE TIGHTENED. TIGHTENED YELLOW ARM/DISARM LEVER.
- [SDR AALA202408139102](https://openairdocs.org/sdr/AALA202408139102), Aug 12, 2024: CONNECTOR. DIRTY. AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 15WL FAILED SYSTEM TEST. MAINTENANCE CLEANED CONNECTOR ON EMERGENCY POWER SUPPLY UNIT 15WL AND ACCOMPLISH
- [SDR AALA202408131335](https://openairdocs.org/sdr/AALA202408131335), Aug 12, 2024: CONNECTOR. DIRTY. AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 14WL FAILED SYSTEM TEST. MAINTENANCE CLEANED CONNECTOR ON EMERGENCY POWER SUPPLY UNIT 14WL AND ACCOMPLISH
- [SDR AALA202406113786](https://openairdocs.org/sdr/AALA202406113786), Jun 10, 2024: RELAY. FAULTED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PHL DUE TO THE FLIGHT CREW REPORTED AN ENGINE 1 EPR MODE FAULT IN FLIGHT, WITH DEG
- [SDR AALA202402065531](https://openairdocs.org/sdr/AALA202402065531), Feb 3, 2024: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L/H AFT EMERGENCY DOOR DAMPER PRESSURE LOW. SERVICED L/H EMERGENCY DOOR DAMPER AS REQUIRED.
- [SDR AALA202402069095](https://openairdocs.org/sdr/AALA202402069095), Feb 3, 2024: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R/H AFT EMERGENCY DOOR DAMPER PRESSURE LOW. SERVICED R/H AFT DOOR DAMPER.
- [SDR AALA202401129719](https://openairdocs.org/sdr/AALA202401129719), Jan 11, 2024: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: DOOR 4L DOES NOT INDICATE ARMED ON FLIGHT ATTENDENT PANEL. IT DOES SHOW ARMED ON DOOR/OXYGEN PAGE IN FLIGHTDECK. SERVICE DOOR L4 DAMP
- [SDR AALA202401168446](https://openairdocs.org/sdr/AALA202401168446), Jan 7, 2024: DAMPER. LEAKING. AIRCRAFT WAS NOT GROUNDED: L4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER REQUIRED SERVICING 3 TIMES IN 12 DAYS. **SUPPLEMENTAL REPORT FOR AALA202401108446: MA
- [SDR AALA202401108446](https://openairdocs.org/sdr/AALA202401108446), Jan 7, 2024: UNKNOWN. UNKNOWN. AIRCRAFT WAS NOT GROUNDED: L4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER REQUIRED SERVICING 3 TIMES IN 12 DAYS. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPE
- [SDR AALA202401088172](https://openairdocs.org/sdr/AALA202401088172), Jan 7, 2024: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: 4L DOOR HAS CHECK DOOR PRESSURE ALERT DISPLAYED ON FAP. SERVICED 4L DOOR.
- [SDR AALA202401034149](https://openairdocs.org/sdr/AALA202401034149), Dec 31, 2023: DAMPER. LOW PRESSURE. AIRCRAFT WAS GROUNDED: ON FLIGHT ATTENDANT DOOR PANEL BY 1L DOOR. THE "CHECK DOOR PRESSURE" AMBER NOTE WAS DISPLAYED BY 4L DOOR. SERVICED 4L DOOR DAMPER PER TAS
- [SDR AALA202312205356](https://openairdocs.org/sdr/AALA202312205356), Dec 19, 2023: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: CIDS INDICATES CHECK DOOR PRESSURE, ON L4. MAINTENANCE SERVICED THE L4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-13-00.
- [SDR AALA202312150212](https://openairdocs.org/sdr/AALA202312150212), Dec 13, 2023: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: BOTTLE PRESSURE FOR 4L DOOR INDICATES LOW ON CIDS PANEL. ACTUAL BOTTLE PRESSURE AT 4L DOOR IN THE GREEN. MAINTENANCE SERVICED THE DOO
- [SDR AALA202311201507](https://openairdocs.org/sdr/AALA202311201507), Nov 17, 2023: FLASHLIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: FLASHLIGHT AT FLIGHT ATTENDANT JUMPSEAT BY 3L NEEDS TO BE RECHARGED. REPLACED FLASHLIGHT AT FLIGHT ATTENDANT JUMP SEAT 3L WITH NEW FL
- [SDR AALA202311201627](https://openairdocs.org/sdr/AALA202311201627), Nov 17, 2023: BATTERY. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: FLASHLIGHT AT FLIGHT ATTENDANT JUMPSEAT BY 3L NEEDS TO BE RECHARGED. REPLACED FLASHLIGHT AT FLIGHT ATTENDANT JUMP SEAT 3L WITH NEW FL
- [SDR AALA202310027536](https://openairdocs.org/sdr/AALA202310027536), Oct 1, 2023: SWITCH. UNSECURE. AIRCRAFT WAS NOT GROUNDED: 3L DOOR JUMPSEAT EVACUATION BUTTON POPPED OFF. MAINTENANCE RESECURED SWITCH PER AMM 23-73-00.
- [SDR AALA202309252426](https://openairdocs.org/sdr/AALA202309252426), Sep 24, 2023: HANDLE. LOOSE. AIRCRAFT WAS NOT GROUNDED: DOOR 2R ARMING LEVER / HANDLE LOOSE. MAINTENANCE RE-SECURED R2 DOOR ARMING LEVER / HANDLE.
- [SDR AALA202308159920](https://openairdocs.org/sdr/AALA202308159920), Aug 14, 2023: FLASHLIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTS INOPERATIVE FLASHLIGHT AT 3L JUMP SEAT. REPLACED FLIGHT ATTENDANT 3L JUMP SEAT EMERGENCY FLASHLIGHT PER AMM 
- [SDR AALA202307064888](https://openairdocs.org/sdr/AALA202307064888), Jul 3, 2023: LEVER. LOOSE. AIRCRAFT WAS NOT GROUNDED: 2R DOOR ARMING LEVER LOOSE. SECURED ARMING LEVER PER AMM 52-13-00.
- [SDR AALA202303283088](https://openairdocs.org/sdr/AALA202303283088), Mar 26, 2023: BUTTON. LOOSE. AIRCRAFT WAS NOT GROUNDED: EVACUATION BUTTON AT DOOR 3L IS LOOSE PROTRUDING. RESURED EVACUATION BUTTON AT 3L PER AMM 25-63-00.
- [SDR AALA202208168167](https://openairdocs.org/sdr/AALA202208168167), Aug 16, 2022: BATTERY. NONE. AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 15WL BATTERY FAILED SYSTEM TEST. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER A
- [SDR AALA202208161903](https://openairdocs.org/sdr/AALA202208161903), Aug 16, 2022: BATTERY. NONE. AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 12WL BATTERY FAILED SYSTEM TEST. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER A
- [SDR AALA202208166820](https://openairdocs.org/sdr/AALA202208166820), Aug 16, 2022: BATTERY. NONE. AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 10WL BATTERY FAILED SYSTEM TEST. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER A
- [SDR AALA202203231437](https://openairdocs.org/sdr/AALA202203231437), Mar 22, 2022: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: 4L DOOR ASSIST BOTTLE PRESSURE LOW. SERVICED 4L DOOR ASSIST BOTTLE PER AMM 52-10-00.
- [SDR AALA202202283208](https://openairdocs.org/sdr/AALA202202283208), Feb 26, 2022: BOTTLE. LOW. AIRCRAFT WAS NOT GROUNDED: L4 DOOR ASSIST BOTTLE LOW ON CIDS PANEL. SERVICED DOOR ASSIST BOTTLE PER AMM 52-10-00.
- [SDR AALA202202158836](https://openairdocs.org/sdr/AALA202202158836), Feb 14, 2022: LATCH. STICKING. AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR DIFFICULT TO OPERATE. APPLIED SOME LUBE TO LAVATORY DOOR LATCH.
- [SDR AALA202201246130](https://openairdocs.org/sdr/AALA202201246130), Jan 23, 2022: HANDLE. LOOSE. AIRCRAFT WAS NOT GROUNDED: SLIDE ARMING LEVER AT DOOR 2R IS LOOSE. SECURE R2 DOOR ARM LEVER HANDLE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK
- [SDR AALA202201051209](https://openairdocs.org/sdr/AALA202201051209), Jan 2, 2022: BATTERY. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: 10WL EMERGENCY POWER SUPPLY UNIT NEEDS REPLACEMENT. TO BE REPLACED PER CARD NUMBER 26C00033004 DUE BELOW REQUIRED VOLTAGE ON CHECK. *
- [SDR AALA202201041209](https://openairdocs.org/sdr/AALA202201041209), Jan 2, 2022: NONE. NONE. AIRCRAFT WAS NOT GROUNDED: 10WL EMERGENCY POWER SUPPLY UNIT NEEDS REPLACEMENT. TO BE REPLACED PER CARD NUMBER 26C00033004 DUE BELOW REQUIRED VOLTAGE ON CHECK. *
- [SDR AALA202112287087](https://openairdocs.org/sdr/AALA202112287087), Dec 27, 2021: DIAPHRAGM. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: PASSENGER DOOR 4L HAS RECENT HISTORY OF LOW PRESSURE. REMOVED AND REPLACED DIAPHRAGM AND 2 PACKING OF DOOR ASSIST AND EMERGENCY OPERA
- [SDR AALA202112285105](https://openairdocs.org/sdr/AALA202112285105), Dec 27, 2021: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: DOOR 4L HYDRAULIC ASSIST PRESSURE IN YELLOW. SERVICED L4 DOOR DAMPER PER AMM 52-10-00.
- [SDR AALA202112179744](https://openairdocs.org/sdr/AALA202112179744), Dec 16, 2021: CYLINDER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: CHECK DOOR PRESSURE ILLUMINATED ON DOOR 4L AFTER ARMING DOORS. SERVICED EMERGENCY OPERATION CYLINDER PER AMM 52-10-00,
- [SDR AALA202111299297](https://openairdocs.org/sdr/AALA202111299297), Nov 25, 2021: BOTTLE. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: 4L DOOR INDICATION ON CABIN INTERCOMMUNICATION DATA SYSTEM PANEL "CHECK DOOR PRESSURE". SERVICE L4 DOOR ASSIST BOTTLE TO THE GREEN PE
- [SDR AALA202111154757](https://openairdocs.org/sdr/AALA202111154757), Nov 12, 2021: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: DURING FLIGHT THE 4L DOOR DISPLAYED AMBER ON THE FLIGHT ATTENDANT PANEL WITH ASSOCIATED "CHECK DOOR PRESSURE AMBER VERBIAGE ILLUMINAT
- [SDR AALA202110287571](https://openairdocs.org/sdr/AALA202110287571), Oct 27, 2021: NONE. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORRODED AREA FOUND ON LOWER SILL LOCATED AT STR 23L. LENGTH = 1.234 INCHES WIDTH = 0.817 INCHES DEPTH = 0.004 INCHES CORRODED SHI
- [SDR AALA202110283688](https://openairdocs.org/sdr/AALA202110283688), Oct 27, 2021: NONE. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORRODED AREA FOUND ON CONNECTING SECTION ON SEAT TRACK LOCATED AT STA FR66, AND BUTT LINE Y1292. LENGTH = 0.579 INCHES WIDTH = 0.
- [SDR AALA202110202431](https://openairdocs.org/sdr/AALA202110202431), Oct 19, 2021: PRESSURE PLATE. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK IN PASSENGER CABIN PRESSURE PLATE LOCATED ON FR 42 TO FR 43 AND -Y1292 TO -Y1650. REPLACED PRESSURE PLATE PER SRM 51-42-11-8
- [SDR AALA202110201647](https://openairdocs.org/sdr/AALA202110201647), Oct 19, 2021: NONE. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON LEFT HAND AFT PASSENGER / CREW DOOR CUT OUT LOWER SILL CENTER FITTING BETWEEN FR 66 AND FR 68 AT S23L. REPLACED CENTE
- [SDR AALA202110185088](https://openairdocs.org/sdr/AALA202110185088), Oct 14, 2021: FLOOR PANEL. CRACKED. AIRCRAFT IN BASE MAINTENANCE: AFT GALLEY AREA FLOOR PANEL 261PF CRACKED. REPLACED FLOOR PANEL PER SRM 53-02-00-300-011 AND IRM 9701 R.
- [SDR AALA202110125126](https://openairdocs.org/sdr/AALA202110125126), Oct 9, 2021: FLOOR PANEL. DELAMINATED. AIRCRAFT IN BASE MAINTENANCE: FORWARD GALLEY AREA FLOOR PANEL 231AF DELAMINATED. REPLACED FLOOR PANEL PER SRM 53-02-00-300-011 AND IRM 9701.

All 158: https://openairdocs.org/aircraft/N539UW/reports.md

## STCs that may be installed (OpenAirDocs) (217, 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 (Airbus A321-231)

- [STC ST03438NY](https://openairdocs.org/stc/ST03438NY): Installation of Adams Rite Lavatory Equipment. Delta Engineering Corporation
- [STC ST12434AC](https://openairdocs.org/stc/ST12434AC): Replacement of the wing fuel tank access panel gasket. Aviation Devices & Electronic Components, LLC
- [STC ST02714CH](https://openairdocs.org/stc/ST02714CH): Modify the aircraft interior to match standard passenger configurations. Atin OOH LLC
- [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 ST04493NY](https://openairdocs.org/stc/ST04493NY): Conversion of Passenger to Freighter configuration by installing a large Main Deck Cargo Door and Frame Shell Structure, Class "E" Cargo Compartment, Crew Entry Door and Surround Structure, Rigid Cargo Barrier, Floor reinforcements, and other associated modifications. ELBE Flugzeugwerke GmbH
- [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 ST02228SE](https://openairdocs.org/stc/ST02228SE): Installation of Bin NuLook. Safran Cabin, Inc
- [STC ST04474NY](https://openairdocs.org/stc/ST04474NY): Activation of Wireless Local Area Network (WLAN) system. Jet Aviation AG
- [STC ST04254NY](https://openairdocs.org/stc/ST04254NY): Installation of Viasat Satcom Software. ALOFT AeroArchitects
- [STC ST03416NY](https://openairdocs.org/stc/ST03416NY): Installation of Intelsat Connectivity Antenna (with demod option). Delta Engineering Corporation
- [STC ST02913NY](https://openairdocs.org/stc/ST02913NY): Installation of a Panasonic Avionics Corporation Global Communications Suite (GCS) and/or In-Flight Entertainment System. Delta Engineering Corporation
- [STC ST01700AT-D](https://openairdocs.org/stc/ST01700AT-D): Installation of Airshow 420 System. AIRCRAFT RECONFIG TECHNOLOGIES, LLC. Lists A321 Series
- [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 ST03741NY](https://openairdocs.org/stc/ST03741NY): Viasat KA SATCOM Antenna System Installation, approve configurations. ALOFT AeroArchitects
- [STC ST03742NY](https://openairdocs.org/stc/ST03742NY): Viasat KA Cabin Distribution System Installation. ALOFT AeroArchitects
- [STC ST00142NY](https://openairdocs.org/stc/ST00142NY): Cargo floorboard installation. American Airlines, Inc., Maintenance and Engineering (M&E) Division
- [STC ST02890NY](https://openairdocs.org/stc/ST02890NY): Installation of a Panasonic Avionics Corporation Global Communications Suite Antenna. Delta Engineering Corporation
- [STC ST04759NY](https://openairdocs.org/stc/ST04759NY): Installation of a single cockpit USB charger. Eirtech Aviation Services Inc
- [STC ST02356LA](https://openairdocs.org/stc/ST02356LA): Installation of Inflight Warning Systems Fan Vibration Monitor Unit. Astronics Advanced Electronic Systems (AES)
- [STC ST02699LA](https://openairdocs.org/stc/ST02699LA): Installation of Vogt Aero Nickel Cadmium Battery P/N 2758-LMVA or 2758-RMVA. Vogt Aero LLC
- [STC ST03189CH](https://openairdocs.org/stc/ST03189CH): Installation of an advertisement container on the bottom of a seat back tray table. Atin OOH LLC
- [STC ST04462CH](https://openairdocs.org/stc/ST04462CH): Installation of Row 44 Broadband Antenna System Provisions. Anuvu IFC Corporation
- [STC ST04528CH](https://openairdocs.org/stc/ST04528CH): Installation of a broadband wireless internet system in accordance with Row 44 Master Data Index Listing, Document No. RWO100-0003-00, Revision IR, dated May 26, 2021 or later FAA approved revision. Anuvu IFC Corporation
- [STC ST12229IB](https://openairdocs.org/stc/ST12229IB): Installation of Thinkom antenna on the top rear fuselage. EAD Aerospace Airworthiness T/A Eclipse Technics
- [STC ST04288CH](https://openairdocs.org/stc/ST04288CH): Installation of an Automatic Dependent Surveillance Broadcast Out (ADS-B Out) Transponder System with Honeywell Integrated Multi-Mode Receiver (IMMR), Model Number IMMR 20.1 installed with TSO-C190 compliant GPS antenna. Amphenol Cable and Interconnect Technologies Inc
- [STC ST00892LA](https://openairdocs.org/stc/ST00892LA): Installation of Emergency Vision Assurance System (EVAS). VisionSafe LLC
- [STC ST04292CH](https://openairdocs.org/stc/ST04292CH): Installation of JADE SATCOM Antenna System Provisions. Amphenol Cable and Interconnect Technologies Inc
- [STC ST00030IB](https://openairdocs.org/stc/ST00030IB): Installation of Test Tech ELT. APTOZ EHF
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC ST01818LA](https://openairdocs.org/stc/ST01818LA): Installation of Forward RH Stowage. Safran Cabin Inc
- [STC ST02561LA](https://openairdocs.org/stc/ST02561LA): C&D Zodiac, Inc. Interior Installations and Modifications per C&D Zodiac, Inc., Index List No. 945-1, Revision B, dated April 20, 2018, or later FAA approved revisions. Safran Cabin Inc
- [STC ST02735LA](https://openairdocs.org/stc/ST02735LA): Installation of modular lower deck Cargo Loading System (CLS). Telair International
- [STC ST03417NY](https://openairdocs.org/stc/ST03417NY): Installation with demod option of Intelsat Cabin Connectivity System. Delta Engineering Corporation
- [STC ST04089NY](https://openairdocs.org/stc/ST04089NY): Installation of Cabin Seating. Delta Engineering Corporation
- [STC ST04798NY](https://openairdocs.org/stc/ST04798NY): AAR Engineering Services Seat Re-pitch. Delta Engineering Corporation
- [STC ST02472AT](https://openairdocs.org/stc/ST02472AT): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII. Aircraft Systems and Manufacturing Inc
- [STC ST02612CH](https://openairdocs.org/stc/ST02612CH): Installation of AD Aerospace Cockpit Door Monitoring System. Amphenol Cable and Interconnect Technologies, Inc
- [STC ST02626CH](https://openairdocs.org/stc/ST02626CH): Installation of ECS EZMount® mechanical mounting assemblies on lower frames of cockpit sliding windows. Amphenol Cable and Interconnect Technologies Inc
- [STC ST03176NY](https://openairdocs.org/stc/ST03176NY): Installation of a Gogo ATG4 system. Amphenol Cable and Interconnect Technologies Inc
- [STC ST04328CH](https://openairdocs.org/stc/ST04328CH): Installation and activation of the RAVE Wireless Broadband System. Amphenol Cable and Interconnect Technologies Inc
- [STC ST04334CH](https://openairdocs.org/stc/ST04334CH): Installation and activation of an ARINC 791 SATCOM System. Amphenol Cable and Interconnect Technologies Inc
- [STC ST04287CH](https://openairdocs.org/stc/ST04287CH): The Certification for Transmitting Portable Electronic Device (TPED). Amphenol Cable and Interconnect Technologies Inc
- [STC ST11885IB](https://openairdocs.org/stc/ST11885IB): Structure Reinforcement Common Design for ARINC 791 Large Antenna Installation. Sabena Technics BGC
- [STC ST11872IB](https://openairdocs.org/stc/ST11872IB): Installation of Iridium Antenna. Aerotec Concept
- [STC ST04010NY](https://openairdocs.org/stc/ST04010NY): Installation of Reticulated Polyurethane Foam (RPF) For Center Fuel Tank Ignition Mitigation. AerSale Inc
- [STC ST04470NY](https://openairdocs.org/stc/ST04470NY): Removal of Ka-band antenna and systems components. Lufthansa Technik AG
- [STC ST00079IB](https://openairdocs.org/stc/ST00079IB): Integration of Halon-free Portable Fire Extinguisher HAFEX. UMLAUT ENGINEERING GMBH
- [STC ST00215IB](https://openairdocs.org/stc/ST00215IB): Installation of saf-Tglo ECO Photoluminescent Aisle Path Marking Systems. STG AEROSPACE GERMANY GmbH
- [STC ST01936WI](https://openairdocs.org/stc/ST01936WI): Installation of LED lights. AeroLED's Holdings LLC
- [STC ST04351NY](https://openairdocs.org/stc/ST04351NY): Activation of Ka-Band Antenna. Lufthansa Technik AG

All 217: https://openairdocs.org/aircraft/N539UW/stcs.md

## Related

- Other Airbus A321-231 aircraft: https://openairdocs.org/model/airbus-a321-231/aircraft.md
- The IAE V2533-A5 engine: https://openairdocs.org/engine/iae-v2533-a5.md

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