# N437AN: 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: 10597
- Year built: 2021
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: October 8, 2021
- Certificate issued: October 8, 2021
- Expires: October 31, 2028
- Mode S code: A53D2C
- 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=437AN
- Page: https://openairdocs.org/aircraft/N437AN

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/N437AN/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 N437AN.

## FAA accident and incident reports

None matched to N437AN.

## Service difficulty reports (34)

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 AALA202608201156](https://openairdocs.org/sdr/AALA202608201156), Aug 19, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R1 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW - SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00
- [SDR AALA202606192733](https://openairdocs.org/sdr/AALA202606192733), Jun 18, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: AFT RIGHT DOOR 842 DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB CAR
- [SDR AALA202606193816](https://openairdocs.org/sdr/AALA202606193816), Jun 18, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: AFT LEFT DOOR 832 DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB CARD
- [SDR AALA202606197094](https://openairdocs.org/sdr/AALA202606197094), Jun 18, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: RIGHT EMERGENCY EXIT DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW, MAINTENANCE SERVICED DOOR DAMPER AND EMERGENCY OPERAT
- [SDR AALA202606195790](https://openairdocs.org/sdr/AALA202606195790), Jun 18, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: FORWARD RIGHT DOOR 841 DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB
- [SDR AALA202604172109](https://openairdocs.org/sdr/AALA202604172109), Apr 13, 2026: OVEN. FIRE. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO TUS DUE TO THE FLIGHT CREW REPORTING THAT WHILE INFLIGHT, THE FLIGHT, FLIGHT ATTEN
- [SDR AALA202602107946](https://openairdocs.org/sdr/AALA202602107946), Feb 9, 2026: BATTERY. NO TEST. AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANTS FLASHLIGHT AT 1L INOPERATIVE. MAINTENANCE REPLACED THE FLASHLIGHT BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATION
- [SDR AALA202602046351](https://openairdocs.org/sdr/AALA202602046351), Feb 3, 2026: COFFEEMAKER. LEAKING. AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTED A RUBBER BURNING SMELL IN THE AFT GALLEY BY THE LEFT SIDE JUMPSEAT DURING DESCENT. THE SMELL CAME AND WENT 
- [SDR AALA202602026988](https://openairdocs.org/sdr/AALA202602026988), Jan 30, 2026: COFFEEMAKER. SPARKS. AIRCRAFT WAS NOT GROUNDED: AFT GALLEY COFFEE MAKER (CM4) ARCING WHEN TURNED ON. MAINTENANCE REPLACED COFFEEMAKER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHE
- [SDR AALA202601160605](https://openairdocs.org/sdr/AALA202601160605), Jan 15, 2026: LIFE VEST. OPEN. AIRCRAFT WAS NOT GROUNDED: AFT REAR FACING FLIGHT ATTENDANT LIFE JACKET COVER OPENED. MAINTENANCE REPLACED LIFE JACKET AS REQUIRED.
- [SDR AALA202512167714](https://openairdocs.org/sdr/AALA202512167714), Dec 14, 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 52-22-00.
- [SDR AALA202512163349](https://openairdocs.org/sdr/AALA202512163349), Dec 14, 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 AALA202512169276](https://openairdocs.org/sdr/AALA202512169276), Dec 14, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R1 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00.
- [SDR AALA202510319568](https://openairdocs.org/sdr/AALA202510319568), Oct 29, 2025: BATTERY. NO TEST. AIRCRAFT WAS NOT GROUNDED: BATTERY FAULT DISPLAYED FOR EMERGENCY POWER SUPPLY UNIT DURING SYSTEM TEST. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIO
- [SDR AALA202510214860](https://openairdocs.org/sdr/AALA202510214860), Oct 17, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R2 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00.
- [SDR AALA202510211558](https://openairdocs.org/sdr/AALA202510211558), Oct 17, 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 52-10-00.
- [SDR AALA202510210709](https://openairdocs.org/sdr/AALA202510210709), Oct 17, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L1 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00.
- [SDR AALA202509176441](https://openairdocs.org/sdr/AALA202509176441), Sep 10, 2025: EGT INDICATION. ILLUMINATED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO MIA DUE TO THE FLIGHT CREW REPORTING THAT ON TAKEOFF AT MAX WEIGHT 206K, 31 DEGREE
- [SDR AALA202509126441](https://openairdocs.org/sdr/AALA202509126441), Sep 10, 2025: EGT INDICATION. ACTIVATED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO MIA DUE TO THE FLIGHT CREW REPORTING THAT ON TAKEOFF AT MAX WEIGHT 206K, 31 DEGREE
- [SDR AALA202505269373](https://openairdocs.org/sdr/AALA202505269373), May 24, 2025: LOCK. STUCK. AIRCRAFT WAS NOT GROUNDED: AFTER RIGHT LAVATORY DOOR GOT STUCK CLOSED. FLIGHT ATTENDANTS HAD TO REMOVE DOOR FROM TRACK TO LET PASSENGER OUT. MAINTENANCE RE-INST
- [SDR AALA202410173363](https://openairdocs.org/sdr/AALA202410173363), Oct 16, 2024: DOOR. STICKING. AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR HANDLE ON FLIGHT DECK SIDE IS VERY DIFFICULT TO TURN TO OPEN AND CLOSE.MAINTENANCE LUBRICATED THE FLIGHT DECK AS REQ
- [SDR AALA202405287945](https://openairdocs.org/sdr/AALA202405287945), May 27, 2024: LATCH. DIRTY. AIRCRAFT WAS NOT GROUNDED: FORWARD BOARDING DOOR GIRT BAR LATCH STUCK IN DOWN POSITION. REMOVED DEBRIS FROM AFT GIRT BAR LATCH FOR L1 DOOR AND LUBED PER AMM 25-
- [SDR AALA202402126756](https://openairdocs.org/sdr/AALA202402126756), Feb 9, 2024: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R3 EMERGENCY DOOR DAMPER PRESSURE LOW. SERVICED R3 EMERGENCY DOOR DAMPER PER AMM 52-22-00.
- [SDR AALA202401300225](https://openairdocs.org/sdr/AALA202401300225), Jan 26, 2024: ACCUMULATOR. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: AFT LEFT PASSENGER CREW DOOR EMERGENCY ACCUMULATOR NEEDS NITROGEN SERVICE. ACCUMULATOR SERVICED PER AMM 52-10-00.
- [SDR AALA202401306896](https://openairdocs.org/sdr/AALA202401306896), Jan 26, 2024: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: AFT LEFT HAND EMERGENCY EXIT DOOR DAMPER NEEDS NITROGEN SERVICE. AFT LEFT HAND EMERGENCY EXIT DOOR DAMPER SERVICED PER AMM 52-22-00.
- [SDR AALA202212203408](https://openairdocs.org/sdr/AALA202212203408), Dec 17, 2022: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R1 DOOR ASSIST BOTTLE LOW PRESSURE. MAINTENANCE SERVICED DOOR ASSIST BOTTLE PER AMM 52-10-00.
- [SDR AALA202207055586](https://openairdocs.org/sdr/AALA202207055586), Jul 2, 2022: DAMPER. LOW. AIRCRAFT WAS NOT GROUNDED: R2 DOOR EMERGENCY EXIT DOOR DAMPER REQUIRES SERVICING. SERVICED R2 DOOR EMERGENCY EXIT DOOR DAMPER WITH NITROGEN PER AMM 52-22-00.
- [SDR AALA202207059129](https://openairdocs.org/sdr/AALA202207059129), Jul 2, 2022: DAMPER. LOW. AIRCRAFT WAS NOT GROUNDED: R1 EMERGENCY EXIT DOOR DAMPER REQUIRES SERVICING. SERVICED R1 EMERGENCY EXIT DOOR DAMPER PER AMM 52-10-00.
- [SDR AALA202207052518](https://openairdocs.org/sdr/AALA202207052518), Jul 2, 2022: DAMPER. LOW. AIRCRAFT WAS NOT GROUNDED: L3 EMERGENCY EXIT DOOR DAMPER REQUIRES SERVICING. SERVICED L3 EMERGENCY EXIT DOOR DAMPER PER AMM 52-10-00.
- [SDR AALA202203244483](https://openairdocs.org/sdr/AALA202203244483), Mar 23, 2022: SENSOR. FAULTY. AIRCRAFT WAS NOT GROUNDED: REJECTED TAKEOFF 40 KNOTS DUE TO ERRONEOUS BRAKE TEMP #3 HOT INDICATION. RETURNED TO GATE. REPLACED BRAKE #3 TEMPERATURE SENSOR. ACCO
- [SDR AALA202202107410](https://openairdocs.org/sdr/AALA202202107410), Feb 8, 2022: SENSOR. FAULTY. AIRCRAFT WAS GROUNDED: #1 HOT BRAKE TEMPERATURE ECAM IN CRUISE. FLIGHT DECLARED AN EMERGENCY AND DIVERTED TO HNL, LANDING SAFELY. **SUPPLEMENTAL REPORT FOR AALA
- [SDR AALA202202097410](https://openairdocs.org/sdr/AALA202202097410), Feb 8, 2022: NONE. NONE. AIRCRAFT WAS GROUNDED: #1 HOT BRAKE TEMPERATURE ECAM IN CRUISE. FLIGHT DECLARED AN EMERGENCY AND DIVERTED TO HNL, LANDING SAFELY. **SUPPLEMENTAL REPORT WILL BE 
- [SDR AALA202112125585](https://openairdocs.org/sdr/AALA202112125585), Dec 9, 2021: NOT REPORTED. FAULTY. AIRCRAFT WAS NOT GROUNDED: ECAM HOT BRAKES DURING TAKEOFF ROLL BELOW 80 KNOTS. REJECTED TAKEOFF AND RETURNED TO GATE. **SUPPLEMENTAL REPORT FOR AALA202112105585
- [SDR AALA202112105585](https://openairdocs.org/sdr/AALA202112105585), Dec 9, 2021: NONE. NONE. AIRCRAFT WAS NOT GROUNDED: ECAM HOT BRAKES DURING TAKEOFF ROLL BELOW 80 KNOTS. REJECTED TAKEOFF AND RETURNED TO GATE. **SUPPLEMENTAL REPORT WILL BE SUBMITTED.**

## 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/N437AN/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

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