# N431AN: 2021 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: 10385
- Year built: 2021
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: May 20, 2021
- Certificate issued: May 20, 2021
- Expires: May 31, 2028
- Mode S code: A526E2
- Registered owner: [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Corporation
- Owner's area on the map: 40.7558° N, 111.8843° W: Placed by OpenAirDocs at the center of ZIP code 84111, 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=431AN
- Page: https://openairdocs.org/aircraft/N431AN

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/N431AN/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 N431AN.

## FAA accident and incident reports

None matched to N431AN.

## Service difficulty reports (58, 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 AALA202608219898](https://openairdocs.org/sdr/AALA202608219898), Aug 19, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: DURING PS CHECK FOUND AFT RIGHT DOOR DAMPER PRESSURE AT 1500 PSI WITH 69 F. MAINTENANCE CHARGED THE CYLINDER PER CARD 26L80052001.
- [SDR AALA202607226386](https://openairdocs.org/sdr/AALA202607226386), Jul 20, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: LEFT-HAND EMERGENCY EXIT DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE IS BELOW OPERATIONAL LIMITS. MAINTENANCE SERVICED THE 
- [SDR AALA202607229627](https://openairdocs.org/sdr/AALA202607229627), Jul 20, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: AFT RIGHT PASSENGER / CREW DOORDAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYL
- [SDR AALA202607223354](https://openairdocs.org/sdr/AALA202607223354), Jul 20, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: RIGHT-HAND EMERGENCY EXIT DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE IS BELOW OPERATIONAL LIMITS. MAINTENANCE SERVICED THE
- [SDR AALA202607079761](https://openairdocs.org/sdr/AALA202607079761), Jul 3, 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 52-13-14.
- [SDR AALA202606191733](https://openairdocs.org/sdr/AALA202606191733), Jun 18, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: LEFT EMERGENCY EXIT DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER 
- [SDR AALA202605131031](https://openairdocs.org/sdr/AALA202605131031), May 11, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT IN BASE MAINTENANCE: LEFT EMERGENCY DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PE
- [SDR AALA202605137338](https://openairdocs.org/sdr/AALA202605137338), May 11, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT IN BASE MAINTENANCE: L1 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB CARD 2
- [SDR AALA202605133962](https://openairdocs.org/sdr/AALA202605133962), May 11, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT IN BASE MAINTENANCE: RIGHT AFT PASSENGER / CREW DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION
- [SDR AALA202603315234](https://openairdocs.org/sdr/AALA202603315234), Mar 30, 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 AALA202603311403](https://openairdocs.org/sdr/AALA202603311403), Mar 30, 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 52-10-00.
- [SDR AALA202508290074](https://openairdocs.org/sdr/AALA202508290074), Aug 26, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L2 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00.
- [SDR AALA202508291837](https://openairdocs.org/sdr/AALA202508291837), Aug 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 AALA202508266682](https://openairdocs.org/sdr/AALA202508266682), Aug 25, 2025: BATTERY. NO TEST. AIRCRAFT WAS GROUNDED: EMERGENCY POWER SUPPLY UNIT 11WL FAILED SYSTEM TEST. REPLACED BATTERY FOR EMERGENCY POWER SUPPLY UNIT 11WL AND ACCOMPLISHED A SATISFACTOR
- [SDR AALA202505216716](https://openairdocs.org/sdr/AALA202505216716), May 21, 2025: BATTERY. NO TEST. AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 13WL BATTERY INOPERATIVE. REPLACED BATTERY FOR EMERGENCY POWER SUPPLY UNIT 13WL AND ACCOMPLISHED A SATISF
- [SDR AALA202503279633](https://openairdocs.org/sdr/AALA202503279633), Mar 27, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: RIGHT HAND AFT PASSENGER / CREW DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATI
- [SDR AALA202502269340](https://openairdocs.org/sdr/AALA202502269340), Feb 25, 2025: FLASHLIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: FORWARD LEFT HAND FLIGHT ATTENDANT FLASHLIGHT IS INOPERATIVE. REPLACED FLASHLIGHT PER CMM 25-60-13.
- [SDR AALA202502263213](https://openairdocs.org/sdr/AALA202502263213), Feb 25, 2025: FLASHLIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: FORWARD FACING AFT FLIGHT ATTENDANT JUMPSEAT FLASHLIGHT INOPIS INOPERATIVE. REPLACED FLASHLIGHT AND ACCOMPISHED A SATISFACTORY OPERAT
- [SDR AALA202502055871](https://openairdocs.org/sdr/AALA202502055871), Feb 4, 2025: FLASHLIGHT. DEFECTIVE. AIRCRAFT WAS NOT GROUNDED: FLIGHT CREW REPORTED THAT THE FLASHLIGHT AT 1L IS OPERATIONAL BUT THE CHARGING LIGHT IS NOT BLINKING DURING THE TEST. MAINTENANCE REP
- [SDR AALA202412319514](https://openairdocs.org/sdr/AALA202412319514), Dec 29, 2024: ENCLOSURE. NOT SEATED. AIRCRAFT WAS GROUNDED: DURING WALK AROUND MAINTENANCE FOUND L3 DOOR ESCAPE SLIDE ASSEMBLY STICKING OUT AND NOT FLUSHED WITH FUSELAGE. MAINTENANCE REPLACED THE L
- [SDR AALA202412309514](https://openairdocs.org/sdr/AALA202412309514), Dec 29, 2024: SLIDE. OUT OF POSITION. AIRCRAFT WAS GROUNDED: DURING WALK AROUND MAINTENANCE FOUND L3 DOOR ESCAPE SLIDE ASSEMBLY STICKING OUT AND NOT FLUSHED WITH FUSELAGE. **SUPPLEMENTAL REPORT WILL
- [SDR AALA202412067345](https://openairdocs.org/sdr/AALA202412067345), Dec 5, 2024: CIRCUIT BOARD. DEFECTIVE. AIRCRAFT WAS GROUNDED: WHEN EMERGENCY EXIT LIGHT SWITCH IS OFF, THE OFF LIGHT DOES NOT ILLUMINATE. MAINTENANCE FOUND BAD ANNUNCIATOR LIGHT INTERFACE BOARD 7LP P
- [SDR AALA202411220549](https://openairdocs.org/sdr/AALA202411220549), Nov 21, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER REQUIRES SERVICING. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-
- [SDR AALA202410285243](https://openairdocs.org/sdr/AALA202410285243), Oct 27, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: RIGHT HAND EMERGENCY EXIT DOOR DAMPER REQUIRES SERVICE. RIGHT HAND EMERGENCY EXIT DOOR DAMPER SERVICED.
- [SDR AALA202410289683](https://openairdocs.org/sdr/AALA202410289683), Oct 27, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: RIGHT HAND AFT PASSENGER/CREW DOOR EMERGENCY CYLINDER\ACCUMULATOR REQUIRES SERVICING. RIGHT HAND AFT PASSENGER/CREW DOOR EMERGENCY CY
- [SDR AALA202410081169](https://openairdocs.org/sdr/AALA202410081169), Oct 7, 2024: CONNECTOR. DIRTY. AIRCRAFT WAS NOT GROUNDED: WHEN EMERGENCY EXIT LIGHT SWITCHED OFF, ANNUNCIATOR LIGHT NEXT TO IT IS NOT ILLUMINATING OFF. REMOVED AND CLEANED INDICATOR LIGHT PIN
- [SDR AALA202409094019](https://openairdocs.org/sdr/AALA202409094019), Sep 8, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS IN BASE MAINTENANCE: L3 DOOR ASSIST BOTTLE REQUIRES SERVICING. SERVICED L3 DOOR ASSIST/DAMPER BOTTLE TO SERVICEABLE CONDITION PER AMM 52-22-00-614-
- [SDR AALA202409097882](https://openairdocs.org/sdr/AALA202409097882), Sep 8, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS IN BASE MAINTENANCE: R4 DOOR ASSIST BOTTLE REQUIRES SERVICING. SERVICED R4 DOOR ASSIST/DAMPER BOTTLE TO SERVICEABLE CONDITION PER AMM 52-10-00-614-
- [SDR AALA202406172113](https://openairdocs.org/sdr/AALA202406172113), Jun 15, 2024: HYDRAULIC LINE. CRACKED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO PHX DUE TO THE FLIGHT CREW REPORTING A YELLOW HYDRAULIC SYSTEM RESERVOIR LOW LEVEL
- [SDR AALA202405073147](https://openairdocs.org/sdr/AALA202405073147), May 6, 2024: SMOKE DETECTOR. FALSE ACTIVATION. AIRCRAFT WAS NOT GROUNDED: FLIGHT CREW REPORTED THAT 2 HOURS FROM LANDING, INTERMITTENT LAVATORY FIRE ALARM MASTER WARNING. FLIGHT ATTENDANTS REPORTED NO CREDIB
- [SDR AALA202404032149](https://openairdocs.org/sdr/AALA202404032149), Apr 2, 2024: BATTERY. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: FLASHLIGHT AT AFT GALLEY LH FA SEAT HAS DEAD BATTERY REPLACED FLASHLIGHT AT AFT GALLEY LH FA SEAT PER JC 26C00025003.
- [SDR AALA202403229204](https://openairdocs.org/sdr/AALA202403229204), Mar 21, 2024: COUPLING. DISCONNECTED. AIRCRAFT PULLED TO THE RIGHT ON LANDING ROLL. #1 BRAKE NEVER ENGAGED. TEMPERATURE REMAINED AT 15 C WHILE #2 BRAKE CLIMBED TO +500 C. FOUND FORWARD HYDRAULIC LIN
- [SDR AALA202401298201](https://openairdocs.org/sdr/AALA202401298201), Jan 29, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R3 DOOR ASSIST BOTTLE PRESSURE LOW. SERVICED R3 DOOR ASSIST BOTTLE.
- [SDR AALA202401295352](https://openairdocs.org/sdr/AALA202401295352), Jan 29, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L3 DOOR ASSIST BOTTLE PRESSURE LOW. SERVICED L3 DOOR ASSIST BOTTLE.
- [SDR AALA202401291024](https://openairdocs.org/sdr/AALA202401291024), Jan 29, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R4 DOOR ASSIST BOTTLE PRESSURE LOW. SERVICED R4 DOOR ASSIST BOTTLE.
- [SDR AALA202312152174](https://openairdocs.org/sdr/AALA202312152174), Dec 14, 2023: WIRE. BROKEN. AIRCRAFT WAS NOT GROUNDED: 11 ABC SEAT EMERGENCY LIGHT INOPERATIVE. FOUND BROKEN WIRE UNDER SEAT 11B SPLICED WIRE.
- [SDR AALA202311280692](https://openairdocs.org/sdr/AALA202311280692), Nov 27, 2023: POWER SUPPLY. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT (17WL) FOUND INOPERATIVE. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT (17WL).
- [SDR AALA202311090570](https://openairdocs.org/sdr/AALA202311090570), Nov 8, 2023: DAMPENER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: #3 RIGHT SIDE DOOR DAMPENER NITROGEN LEVEL LOW. SERVIRCED #3 DOOR DAMPENER.
- [SDR AALA202307200222](https://openairdocs.org/sdr/AALA202307200222), Jul 19, 2023: GUST LOCK. LACK OF LUBE. AIRCRAFT WAS NOT GROUNDED: MAIN CABIN DOOR GUST LOCK DIFFICULT TO OPEN. REMOVED DEBRIS AND LUBRICATED GUST LOCK MECHANISM PER AMM 52-11-00. A SATISFACTORY OPERA
- [SDR AALA202304201571](https://openairdocs.org/sdr/AALA202304201571), Apr 19, 2023: DAMPENER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: EMERGENCY EXIT L2 DOOR NEEDS SERVICING, PRESSURE LOW ON DOOR DAMPER. RECHARGED DOOR DAMPER ON EMERGENCY EXIT L2 DOOR IN ACCORDANCE WI
- [SDR AALA202304115189](https://openairdocs.org/sdr/AALA202304115189), Apr 8, 2023: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: 3L DOOR DAMPER BOTTLE LOW. MAINTENANCE SERVICED 3L DOOR DAMPER PER AMM 52-10-00.
- [SDR AALA202302221905](https://openairdocs.org/sdr/AALA202302221905), Feb 18, 2023: POWER SUPPLY. NO TEST. AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 16WL FAULT DISPLAYS DURING TESTING. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT 16WL (AALA2023022219
- [SDR AALA202302224216](https://openairdocs.org/sdr/AALA202302224216), Feb 18, 2023: BATTERY. NO TEST. AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 16WL FAULT DISPLAYS DURING TESTING. MAINTENANCE REPLACED EMERGENCY POWER SUPPLY UNIT 16WL (AALA2023022219
- [SDR AALA202301196376](https://openairdocs.org/sdr/AALA202301196376), Jan 17, 2023: WARNING LIGHT. FALSE INDICATION. AIRCRAFT WAS NOT GROUNDED: AGENT 2 DISCHARGE ON #2 ENGINE. MAINTENANCE PERFORMED ENGINE 2 FIRE TEST AND DISCHARGE LIGHT EXTINGUISHED.
- [SDR AALA202211304557](https://openairdocs.org/sdr/AALA202211304557), Nov 29, 2022: RUB STRIP. DETACHED. AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTS UNUSUAL NOISE ASSOCIATED WITH R1 DOOR. MAINTENANCE FOUND GIRT BAR DOOR SILICONE RUBSTRIP HALF WAY DETACHED A
- [SDR AALA202211168608](https://openairdocs.org/sdr/AALA202211168608), Nov 15, 2022: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: RIGHT HAND AFT PASSENGER / CREW DOOR ASSIST BOTTLE ACCUMULATOR HAS LOW PRESSURE. MAINTENANCE SERVICED DOOR ASSSIT BOTTLE PER AMM 52-1
- [SDR AALA202211166793](https://openairdocs.org/sdr/AALA202211166793), Nov 15, 2022: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: LEFT HAND EMERGENCY EXIT DOOR DAMPER HAS LOW PRESSURE. MAINTENANCE SERVICED DAMPER PER AMM 52-22-00.
- [SDR AALA202207285320](https://openairdocs.org/sdr/AALA202207285320), Jul 15, 2022: NONE. DEFECTIVE. AIRCRAFT WAS GROUNDED: AIRCRAFT DIVERTED TO GYE AND DECLARED AN EMERGENCY DUE TO A FORWARD CARGO OVER TEMPERATURE INDICATION - TEMPERATURES WERE 178 DEGREES-182
- [SDR AALA202207195320](https://openairdocs.org/sdr/AALA202207195320), Jul 15, 2022: NONE. NONE. AIRCRAFT WAS GROUNDED: AIRCRAFT DIVERTED TO GYE AND DECLARED AN EMERGENCY DUE TO A FORWARD CARGO OVER TEMPERATURE INDICATION - TEMPERATURES WERE 178 DEGREES-182
- [SDR AALA202206016223](https://openairdocs.org/sdr/AALA202206016223), May 29, 2022: NONE. FALSE INDICATION. AIRCRAFT WAS NOT GROUNDED: LAVATORY SMOKE ECAM INDICATION IN 2 AFT LAVATORIES. MAINTENANCE ACCOMPLISHED SMOKE DETECTOR CONTROL UNIT (SDCU) #1 AND #2 WERE RESET 

All 58: https://openairdocs.org/aircraft/N431AN/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/N431AN/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.