# N412UW: 2019 Airbus A321-253NX

- Status: Valid registration
- Airframe: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (registry code 3940051, 222 seats)
- Engine: [CFM International LEAP-1A33](https://openairdocs.org/engine/cfm-international-leap-1a33) (registry code 13115)
- Data sheets: [TCDS A28NM](https://openairdocs.org/tcds/A28NM) (Airbus SAS), [TCDS E00089EN](https://openairdocs.org/tcds/E00089EN) (CFM International S.A.) (OpenAirDocs)
- Serial number: 9224
- Year built: 2019
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: December 4, 2020
- Certificate issued: December 16, 2019
- Expires: December 31, 2029
- Mode S code: A4DD65
- 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=412UW
- Page: https://openairdocs.org/aircraft/N412UW

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): 80 in force

### Matched by airframe (Airbus A321-253NX)

- [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 2026-18-03](https://openairdocs.org/ad/2026-18-03): Wings · Airbus A318-112, A319-115, A319-132 and 14 more. Effective Sep 18, 2026
- [AD 2026-15-13](https://openairdocs.org/ad/2026-15-13): Pneumatic · Airbus A319-151N, A319-153N, A319-171N and 19 more. Effective Sep 2, 2026
- [AD 2026-14-05](https://openairdocs.org/ad/2026-14-05): Communications · Airbus A319-151N, A319-153N, A319-171N and 19 more. Effective Aug 14, 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 2026-12-11](https://openairdocs.org/ad/2026-12-11): Fuselage · Airbus A321-251NX, A321-252NX, A321-253NX and 2 more. Effective Aug 3, 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 2026-10-15](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 2025-24-51](https://openairdocs.org/ad/2025-24-51): Flight controls · Airbus A319-111, A319-112, A319-113 and 37 more. Effective Jan 6, 2026
- [AD 2025-20-15](https://openairdocs.org/ad/2025-20-15): Fuselage · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jan 2, 2026
- [AD 2025-18-03](https://openairdocs.org/ad/2025-18-03): Oxygen · Airbus A318-111, A318-112, A318-121 and 70 more. Effective Oct 20, 2025
- [AD 2025-16-10](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 2025-08-01](https://openairdocs.org/ad/2025-08-01): Doors · Airbus A321-251NX, A321-252NX, A321-253NX and 2 more. Effective Jul 2, 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 2025-02-04](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 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 2024-23-09](https://openairdocs.org/ad/2024-23-09): Equipment/Furnishings · Airbus A321-251NX, A321-252NX, A321-253NX and 2 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 2024-11-01](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 2024-05-02](https://openairdocs.org/ad/2024-05-02): Fuselage · Airbus A320-214, A320-216, A320-251N and 2 more. Effective May 8, 2024
- [AD 2023-25-05](https://openairdocs.org/ad/2023-25-05): Landing Gear, Electrical System Installation · Airbus A319-151N, A319-153N, A319-171N and 16 more. Effective Feb 7, 2024
- [AD 2023-10-07](https://openairdocs.org/ad/2023-10-07): Fuel · Airbus A319-151N, A319-153N, A319-171N and 16 more. Effective Nov 9, 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 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 2023-02-11](https://openairdocs.org/ad/2023-02-11): Doors · Airbus A321-251NX, A321-252NX, A321-253NX and 2 more. Effective Apr 17, 2023
- [AD 2022-24-14](https://openairdocs.org/ad/2022-24-14): Auto Flight · Airbus A319-111, A319-112, A319-113 and 20 more. Effective Jan 18, 2023
- [AD 2020-25-03 R1](https://openairdocs.org/ad/2020-25-03-R1): Equipment/furnishings · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Jan 12, 2023
- [AD 2022-24-03](https://openairdocs.org/ad/2022-24-03): Powerplant · Airbus A321-251N, A321-251NX, A321-252N and 3 more. Effective Jan 9, 2023
- [AD 2022-22-11](https://openairdocs.org/ad/2022-22-11): Flight Control System, Navigation · Airbus A319-151N, A319-153N, A319-171N and 16 more. Effective Dec 30, 2022
- [AD 2022-21-04](https://openairdocs.org/ad/2022-21-04): Equipment/Furnishings · Airbus A321-251NX, A321-252NX, A321-253NX and 2 more. Effective Oct 28, 2022
- [AD 2022-19-10](https://openairdocs.org/ad/2022-19-10): Equipment/furnishings · Airbus A321-251N, A321-251NX, A321-252NX and 3 more. Effective Oct 19, 2022
- [AD 2022-18-05](https://openairdocs.org/ad/2022-18-05): Equipment/furnishings · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Oct 13, 2022

### Matched by engine (CFM International LEAP-1A33)

- [AD 2026-14-06](https://openairdocs.org/ad/2026-14-06): Turbine Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 10 more. Effective Jul 27, 2026
- [AD 2026-02-04](https://openairdocs.org/ad/2026-02-04): Turbine Engine Compressor Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 10 more. Effective Feb 26, 2026
- [AD 2026-02-08](https://openairdocs.org/ad/2026-02-08): Engine Controls · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 10 more. Effective Feb 25, 2026
- [AD 2025-21-03](https://openairdocs.org/ad/2025-21-03): Turbine section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 10 more. Effective Dec 29, 2025
- [AD 2025-12-03](https://openairdocs.org/ad/2025-12-03): Turbine Engine Compressor Section; Turbine Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 10 more. Effective Jul 25, 2025
- [AD 2025-04-12](https://openairdocs.org/ad/2025-04-12): Turbine Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 24 more. Effective Apr 8, 2025
- [AD 2025-01-03](https://openairdocs.org/ad/2025-01-03): Turbine Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 13 more. Effective Mar 11, 2025
- [AD 2024-07-02](https://openairdocs.org/ad/2024-07-02): Turbine Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 10 more. Effective Jun 10, 2024
- [AD 2024-07-06](https://openairdocs.org/ad/2024-07-06): Turbine Engine Compressor Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 10 more. Effective Jun 3, 2024
- [AD 2022-17-12](https://openairdocs.org/ad/2022-17-12): Turbine Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 10 more. Effective Oct 6, 2022
- [AD 2022-15-04](https://openairdocs.org/ad/2022-15-04): Turbine Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 10 more. Effective Aug 4, 2022
- [AD 2022-14-02](https://openairdocs.org/ad/2022-14-02): Turbine Engine Compressor Section, Turbine Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 10 more. Effective Jul 18, 2022
- [AD 2022-09-09](https://openairdocs.org/ad/2022-09-09): Turbine Engine Compressor Section, Turbine Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 10 more. Effective Jun 21, 2022
- [AD 2021-11-21](https://openairdocs.org/ad/2021-11-21): Turbine Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 10 more. Effective Jul 15, 2021
- [AD 2020-25-13](https://openairdocs.org/ad/2020-25-13): Turbine Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 10 more. Effective Jan 25, 2021
- [AD 2017-24-06](https://openairdocs.org/ad/2017-24-06): Turbine Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 7 more. Effective Dec 15, 2017

### 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 2025-16-12](https://openairdocs.org/ad/2025-16-12) (historical): Pneumatic · Airbus A319-151N, A319-153N, A319-171N and 19 more. Effective Aug 29, 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 2025-11-02](https://openairdocs.org/ad/2025-11-02) (historical): Communications · Airbus A319-151N, A319-153N, A319-171N and 18 more. Effective Jun 11, 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 2022-09-16](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 2022-07-08](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 2022-04-09](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 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 2021-14-08](https://openairdocs.org/ad/2021-14-08) (historical): Navigation · Airbus A319-151N, A319-153N, A319-171N and 16 more. Effective Jul 1, 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 2020-12-11](https://openairdocs.org/ad/2020-12-11) (historical): Auto Flight · Airbus A319-111, A319-112, A319-113 and 20 more. Effective Jul 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 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 2019-23-01](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 2019-19-15](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 2019-14-04](https://openairdocs.org/ad/2019-14-04) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 37 more. Effective Aug 29, 2019
- [AD 2019-03-17](https://openairdocs.org/ad/2019-03-17) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 36 more. Effective Apr 3, 2019
- [AD 2023-09-06](https://openairdocs.org/ad/2023-09-06) (historical): Turbine Section · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 10 more. Effective Jun 23, 2023
- [AD 2018-19-16](https://openairdocs.org/ad/2018-19-16) (historical): Engine Controls · CFM International LEAP-1A23, LEAP-1A24, LEAP-1A24E1 and 10 more. Effective Oct 25, 2018

All 121: https://openairdocs.org/aircraft/N412UW/ads.md

## Information bulletins (advisory) (1 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

## NTSB investigations

None matched to N412UW.

## FAA accident and incident reports

None matched to N412UW.

## Service difficulty reports (80, 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 AALA202609248318](https://openairdocs.org/sdr/AALA202609248318), Sep 23, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R2 EMERGENCY DOOR REQUIRES SERVICE. MAINTENANCE SERVICED R2 DOOR EMERGENCY DOOR PER JOBCARD 26L80052003.
- [SDR AALA202609241086](https://openairdocs.org/sdr/AALA202609241086), Sep 23, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L2 EMERGENCY DOOR BELOW LIMITS. MAINTENANCE SERVICED L2 DOOR EMERGENCY DOOR PER JOBCARD 26L80052003. NO LEAKS NOTED.
- [SDR AALA202609015345](https://openairdocs.org/sdr/AALA202609015345), Aug 28, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L2 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW - SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB CARD 26L
- [SDR AALA202609015794](https://openairdocs.org/sdr/AALA202609015794), Aug 28, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R3 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW - SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB CARD 26L
- [SDR AALA202609015555](https://openairdocs.org/sdr/AALA202609015555), Aug 28, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R2 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW - SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB CARD 26L
- [SDR AALA202609014744](https://openairdocs.org/sdr/AALA202609014744), Aug 28, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L3 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW - SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB CARD 26L
- [SDR AALA202608249980](https://openairdocs.org/sdr/AALA202608249980), Aug 21, 2026: UNKNOWN. ODOR. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO DFW DUE TO THE FLIGHT ATTENDANTS REPORTING A DIRTY SOCK ODOR IN THE AFT CABIN AND 
- [SDR AALA202608188642](https://openairdocs.org/sdr/AALA202608188642), Aug 17, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: LEFT EMERGENCY EXIT DOOR L2 DAMPER REQUIRES SERVICING (600PSI). MAINTENANCE SERVICED LEFT EMERGENCY EXIT DOOR DAMPER PER JC 26L800520
- [SDR AALA202608185993](https://openairdocs.org/sdr/AALA202608185993), Aug 17, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: LEFT AFT L3 DOOR DAMPER CYLINDER PRESSURE LOW (300). MAINTENANCE SERVICED LEFT AFT L3 DOOR DAMPER PER JOBCARD 26L80052001.
- [SDR AALA202608062392](https://openairdocs.org/sdr/AALA202608062392), Aug 5, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB CARD 26L8
- [SDR AALA202606224414](https://openairdocs.org/sdr/AALA202606224414), Jun 19, 2026: BATTERY. NO TEST. AIRCRAFT WAS NOT GROUNDED: WHILE PERFORMING EPSU SYSTEM TEST SOME EMERGENCY LIGHTS CONTINUE TO STAY ON AFTER TEST IS ACCOMPLISHED. MAINTENANCE REPLACED L2 EPSU 
- [SDR AALA202606194661](https://openairdocs.org/sdr/AALA202606194661), Jun 19, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB CARD 26L8
- [SDR AALA202605041386](https://openairdocs.org/sdr/AALA202605041386), May 2, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R2 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB CARD 26L8
- [SDR AALA202605043885](https://openairdocs.org/sdr/AALA202605043885), May 2, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L3 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB CARD 26L8
- [SDR AALA202605045906](https://openairdocs.org/sdr/AALA202605045906), May 2, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L2 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB CARD 26L8
- [SDR AALA202603128301](https://openairdocs.org/sdr/AALA202603128301), Mar 11, 2026: BATTERY. ABNORMAL. AIRCRAFT WAS NOT GROUNDED: BATTERY FAULT FOR EMERGENCY POWER SUPPLY UNIT 17WL DISPLAYED DURING SYSTEM TEST. REPLACED BATTERY PER AMM 33-51-38 AND ACCOMPLISHED A
- [SDR AALA202603121450](https://openairdocs.org/sdr/AALA202603121450), Mar 11, 2026: BATTERY. ABNORMAL. AIRCRAFT WAS NOT GROUNDED: BATTERY FAULT FOR EMERGENCY POWER SUPPLY UNIT 16WL DISPLAYED DURING SYSTEM TEST. REPLACED BATTERY PER AMM 33-51-38 AND ACCOMPLISHED A
- [SDR AALA202603065310](https://openairdocs.org/sdr/AALA202603065310), Mar 6, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00.
- [SDR AALA202603066339](https://openairdocs.org/sdr/AALA202603066339), Mar 6, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L3 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00.
- [SDR AALA202603067583](https://openairdocs.org/sdr/AALA202603067583), Mar 6, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R3 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00.
- [SDR AALA202603069803](https://openairdocs.org/sdr/AALA202603069803), Mar 6, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00.
- [SDR AALA202602192491](https://openairdocs.org/sdr/AALA202602192491), Feb 18, 2026: LIFE LINE. MISSING. AIRCRAFT WAS NOT GROUNDED: DURING FLIGHT ATTENDANT PREFLIGHT LEFT OVER WING ESCAPE ROPE / LIFE-LINE FOUND TO BE MISSING. MAINTENANCE INSTALLED ESCAPE ROPE / LIF
- [SDR AALA202601234166](https://openairdocs.org/sdr/AALA202601234166), Jan 23, 2026: CYLINDER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: LEFT-HAND EMERGENCY EXIT DOOR (835) DAMPER AND EMERGENCY OPERATION CYLINDER BELOW LIMITS. SERVICED DAMPER AND EMERGENCY OPERATION CYL
- [SDR AALA202601239344](https://openairdocs.org/sdr/AALA202601239344), Jan 23, 2026: DAMPENER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: RIGHT-HAND EMERGENCY EXIT DOOR (845) DAMPER AND EMERGENCY OPERATION CYLINDER BELOW LIMITS. SERVICED DAMPER AND EMERGENCY OPERATION CY
- [SDR AALA202512295919](https://openairdocs.org/sdr/AALA202512295919), Dec 25, 2025: LIGHT. MISSING. AIRCRAFT WAS NOT GROUNDED: LEFT ROW 22 MISSING EMERGENCY LIGHT ASSEMBLY. INSTALLED EMERGENCY LIGHT ASSEMBLY AT SEAT ROW 22 AND ACCOMPLISHED A SATISFACTORY OPERA
- [SDR AALA202512150723](https://openairdocs.org/sdr/AALA202512150723), Dec 12, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: AFT LEFT PASSENGER / CREW DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYL
- [SDR AALA202510277133](https://openairdocs.org/sdr/AALA202510277133), Oct 24, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L3 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00.
- [SDR AALA202510272427](https://openairdocs.org/sdr/AALA202510272427), Oct 24, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00.
- [SDR AALA202510023232](https://openairdocs.org/sdr/AALA202510023232), Sep 30, 2025: LANYARD. OUT OF POSITION. AIRCRAFT WAS GROUNDED: UNABLE TO ARM L1 DOOR. ARMING LEVER WILL NOT STAY DOWN. MAINTENANCE INSPECTED L1 DOOR TRACK AND REPOSITIONED SLIDE LANYARD. DOOR OPS AND 
- [SDR AALA202509268835](https://openairdocs.org/sdr/AALA202509268835), Sep 13, 2025: BRACKET. WORN. AIRCRAFT WAS GROUNDED, AIRCRAFT RETURNED TO PHX DUE TO THE FLIGHT CREW REPORTING A DOOR RIGHT OVERWING EXIT MESSAGE DURING CLIMB OUT AT 9K-10K. THE AIRCRAFT LAN
- [SDR AALA202509178835](https://openairdocs.org/sdr/AALA202509178835), Sep 13, 2025: WARNING MESSAGE. ILLUMINATED. AIRCRAFT WAS GROUNDED: AIRCRAFT RETURNED TO PHX DUE TO THE FLIGHT CREW REPORTING A DOOR RIGHT OVERWING EXIT MESSAGE DURING CLIMB OUT AT 9K-10K. THE AIRCRAFT LAN
- [SDR AALA202509150261](https://openairdocs.org/sdr/AALA202509150261), Sep 12, 2025: PROXIMITY SENSOR. OUT OF ADJUST. AIRCRAFT WAS GROUNDED: IN FLIGHT DOOR RIGHT OVER WING EXIT ECAM CAUTION. MULTIPLE OCCURRENCES IN FLIGHT. MAINTENANCE FOUND RIGHT HAND FORWARD OVERWING DOOR HAND
- [SDR AALA202509082357](https://openairdocs.org/sdr/AALA202509082357), Aug 14, 2025: HINGE FITTING. SEIZED. AIRCRAFT IN BASE MAINTENANCE: DURING REMOVAL ON RIGHT ELEVATOR FOUND HARDWARE STUCK ON HINGE#4. REPLACED HINGE-ARM END FITTING PER AMM 55-16-42.
- [SDR AALA202503273378](https://openairdocs.org/sdr/AALA202503273378), Mar 26, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R3 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00.
- [SDR AALA202503271575](https://openairdocs.org/sdr/AALA202503271575), Mar 26, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00.
- [SDR AALA202501023354](https://openairdocs.org/sdr/AALA202501023354), Jan 1, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: RIGHT HAND AFT DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER A
- [SDR AALA202501021343](https://openairdocs.org/sdr/AALA202501021343), Jan 1, 2025: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: LEFT HAND AFT DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AM
- [SDR AALA202412027772](https://openairdocs.org/sdr/AALA202412027772), Nov 30, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: AFT LEFT PASSENGER DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED AFT LEFT PASSENGER DOOR DAMPER AND EMERGENCY O
- [SDR AALA202407308460](https://openairdocs.org/sdr/AALA202407308460), Jul 28, 2024: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L3 DOOR DAMPER AT 500PSI. SERVICED L3 DOOR DAMPER IN REF TO AMM 52-10-00.
- [SDR AALA202407309642](https://openairdocs.org/sdr/AALA202407309642), Jul 28, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L2 DOOR DAMPER LOW. 1000PSI. SERVICED L2 DOOR DAMPER PER AMM 52-10-00.
- [SDR AALA202405201275](https://openairdocs.org/sdr/AALA202405201275), May 17, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L-3 DOOR ASSIST BOTTLE LOW PRESSURE REQUIRES SERVICING. SERVICED L3 DOOR ASSIST BOTTLE WITH NITROGEN PER AMM 52-22-00.
- [SDR AALA202404152210](https://openairdocs.org/sdr/AALA202404152210), Apr 13, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L4 DOOR REQUIRES NITROGEN SERVICING SERVICED L-4 DOOR ASSIST BOTTLE IAW AMM 52-22-00.
- [SDR AALA202402271755](https://openairdocs.org/sdr/AALA202402271755), Feb 26, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: RIGHT AFT DOOR ASSIST BOTTLE PRESSURE READS LOW AT 1400 PSI. SERVICED RIGHT HAND AFT DOOR ASSIST BOTTLE. SERVICED RIGHT HAND DOOR ASS
- [SDR AALA202402274896](https://openairdocs.org/sdr/AALA202402274896), Feb 26, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: LEFT AFT DOOR ASSIST BOTTLE READS VERY LOW AT 25 PSI. SERVICED LEFT HAND AFT DOOR ASSIST BOTTLE.
- [SDR AALA202401263185](https://openairdocs.org/sdr/AALA202401263185), Jan 26, 2024: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: FOUND L3 EMERGENCY EXIT DOOR DAMPER NOT WITH GREEN BAND. SERVICED EMERGENCY EXIT DOOR DAMPER TO THE GREEN BAND.
- [SDR AALA202401265841](https://openairdocs.org/sdr/AALA202401265841), Jan 26, 2024: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: FOUND R3 EMERGENCY EXIT DOOR DAMPER NOT WITH GREEN BAND. SERVICED EMERGENCY EXIT DOOR DAMPER TO THE GREEN BAND.
- [SDR AALA202401188255](https://openairdocs.org/sdr/AALA202401188255), Jan 17, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R4 DOOR ASSIST BOTTLE LOW. SERVICED R-4 DOOR ASSIST BOTTLE PER AMM 52-22-00,
- [SDR AALA202401180705](https://openairdocs.org/sdr/AALA202401180705), Jan 17, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L-4 DOOR ASSIST BOTTLE EMPTY. SERVICED L-4 DOOR ASSIST BOTTLE PER AMM 52-22-00.
- [SDR AALA202401187975](https://openairdocs.org/sdr/AALA202401187975), Jan 17, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L-3 DOOR ASSIST BOTTLE LOW. SERVICED L-3 DOOR ASSIST BOTTLE PER AMM 52-22-00.
- [SDR AALA202311062780](https://openairdocs.org/sdr/AALA202311062780), Nov 5, 2023: SMOKE DETECTOR. FALSE ACTIVATION. AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY SMOKE SET WARINGS FALSE WARNING AND MOMENTARY CLEARED ITSELF. MAINTENANCE PERFORMED CHECKING THE SDF SMOKING WARING 

All 80: https://openairdocs.org/aircraft/N412UW/reports.md

## STCs that may be installed (OpenAirDocs) (88, 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 A321-253NX)

- [STC ST12434AC](https://openairdocs.org/stc/ST12434AC): Replacement of the wing fuel tank access panel gasket. Aviation Devices & Electronic Components, 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 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 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 ST03741NY](https://openairdocs.org/stc/ST03741NY): Viasat KA SATCOM Antenna System Installation, approve configurations. ALOFT AeroArchitects
- [STC ST12325SE](https://openairdocs.org/stc/ST12325SE): Installation of the SpaceX Starlink Aero Terminal. Space Exploration Technologies Corp./Starlink Aviation
- [STC ST12326SE](https://openairdocs.org/stc/ST12326SE): SpaceX Starlink Aviation System Installation and Activation. Space Exploration Technologies Corp./Starlink Aviation
- [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 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 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 ST03417NY](https://openairdocs.org/stc/ST03417NY): Installation with demod option of Intelsat Cabin Connectivity System. Delta Engineering Corporation
- [STC ST02717LA](https://openairdocs.org/stc/ST02717LA): Upgrade of T3CAS and installation of ACSS SafeRoute+TM ADS-B In System. Aviation Communication and Surveillance Systems (ACSS) LLC
- [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 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 ST11094DS](https://openairdocs.org/stc/ST11094DS): Installation of hanging soft dividers and sidewall mounted literature pockets. American Airlines, Inc., M&E Engineering Division
- [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 ST11872IB](https://openairdocs.org/stc/ST11872IB): Installation of Iridium Antenna. Aerotec Concept
- [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
- [STC ST02716SE](https://openairdocs.org/stc/ST02716SE): Conversion of an Airbus A321-200 passenger configuration airplane to a freighter configuration. 321 Precision Conversions LLC
- [STC ST04071NY](https://openairdocs.org/stc/ST04071NY): Installation of VisionSafe Emergency Vision Assurance System (EVAS). VisionSafe LLC
- [STC ST09939AC](https://openairdocs.org/stc/ST09939AC): Installation of the Spacex Starlink Aviation Satcom System. Space Exploration Technologies Corp./Starlink Aviation
- [STC ST04577AT](https://openairdocs.org/stc/ST04577AT): Installation of the ARTEX 4000 Emergency Locator Transmitter (ELT) System. Woven Electronics LLC
- [STC ST00126IB](https://openairdocs.org/stc/ST00126IB): Replacement of Halon agent with alternate Halon-free Portable Fire Extinguisher agent. AMAC Aerospace Switzerland AG
- [STC ST02267NY](https://openairdocs.org/stc/ST02267NY): Installation of Self Illuminating Floor Path Marking System. Lufthansa Technik AG
- [STC ST02768SE](https://openairdocs.org/stc/ST02768SE): Installation of a Pexco AirShield. Pexco Aerospace Inc
- [STC ST04562NY](https://openairdocs.org/stc/ST04562NY): Installation of saf-Tglo® SuperSeal UltraLite-X (SSUL-X) Photoluminescent Floor Proximity Emergency Escape Path Marking Systems. STG AEROSPACE GERMANY GmbH
- [STC ST00105IB](https://openairdocs.org/stc/ST00105IB): Introduction of Activation of Wireless Charging Systems for Portable Electronic Devices. AMAC AEROSPACE SWITZERLAND AG
- [STC ST00898DE](https://openairdocs.org/stc/ST00898DE): Installation of Glide Lite In-Flight Entertainment System. Burrana Inc
- [STC ST04131NY](https://openairdocs.org/stc/ST04131NY): Installation of the Ka-Band Antenna and systems installation. Lufthansa Technik AG
- [STC ST03194NY](https://openairdocs.org/stc/ST03194NY): Update of a Gogo ATG4 system. Delta Engineering Corporation
- [STC ST01797CH](https://openairdocs.org/stc/ST01797CH): Installation of a Honeywell RESCU 406AF Emergency Locator Transmitter (ELT) System. Honeywell International Inc

All 88: https://openairdocs.org/aircraft/N412UW/stcs.md

## Related

- Other Airbus A321-253NX aircraft: https://openairdocs.org/model/airbus-a321-253nx/aircraft.md
- The CFM International LEAP-1A33 engine: https://openairdocs.org/engine/cfm-international-leap-1a33.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.