# N420AN: 2020 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: 9584 - Year built: 2020 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: July 29, 2020 - Certificate issued: July 30, 2020 - Expires: July 31, 2027 - Mode S code: A4FBAC - 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=420AN - Page: https://openairdocs.org/aircraft/N420AN 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/N420AN/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 N420AN. ## FAA accident and incident reports None matched to N420AN. ## Service difficulty reports (55, 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 AALA202610056568](https://openairdocs.org/sdr/AALA202610056568), Sep 30, 2026: ELEC CONNECTOR. DISCONNECTED. AIRCRAFT IN BASE MAINTENANCE: L3, L4, R3, AND R4 DOORS SHOW OPEN ON ECAM DOOR PAGE WHEN VERIFIED CLOSED. THE ECAM DOOR PAGE WAS IN DISAGREEMENT WITH THE DOOR PO - [SDR AALA202609276459](https://openairdocs.org/sdr/AALA202609276459), Sep 24, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R1 DOOR DAMPER PRESSURE BELOW LIMITS. MAINTENANCE SERVICED R1 DOOR DAMPER PER JOBCARD 26L80052001. LEAK CHECK GOOD - [SDR AALA202609279916](https://openairdocs.org/sdr/AALA202609279916), Sep 24, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R4 DOOR ACCUMULATOR PRESSURE BELOW LIMITS. MAINTENANCE SERVICED R4 DOOR DAMPER PER JOBCARD 26L80052001. LEAK CHECK GOOD - [SDR AALA202608140248](https://openairdocs.org/sdr/AALA202608140248), Jul 1, 2026: WIRE. DAMAGED. AIRCRAFT WAS GROUNDED: AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO LAX DUE TO THE FLIGHT CREW REPORTING THAT SHORTLY AFTER TAK - [SDR AALA202607060248](https://openairdocs.org/sdr/AALA202607060248), Jul 1, 2026: FIRE WARNING. ILLUMINATED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO LAX DUE TO THE FLIGHT CREW REPORTING THAT SHORTLY AFTER TAKEOFF AN APU FIRE WARNIN - [SDR AALA202606227673](https://openairdocs.org/sdr/AALA202606227673), Jun 18, 2026: STRUT. OUT OF ADJUST. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INTO SFO DUE TO THE FLIGHT CREW REPORTING A FLAPS LOCKED WITH ALIGNMENT FAULT ECAM MESSAGE WITH THE FLAPS FROZE - [SDR AALA202606226365](https://openairdocs.org/sdr/AALA202606226365), Jun 18, 2026: ACTUATOR. LEAKING. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INTO SFO DUE TO THE FLIGHT CREW REPORTING A FLAPS LOCKED WITH ALIGNMENT FAULT ECAM MESSAGE WITH THE FLAPS FROZE - [SDR AALA202606123267](https://openairdocs.org/sdr/AALA202606123267), Jun 9, 2026: JAM-NUT. LOOSE. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INTO DFW DUE TO THE FLIGHT CREW REPORTING FLAPS LOCKED WHILE CONFIGURING FOR LANDING. FLAPS GREATER THAN 1 LESS - [SDR AALA202606013252](https://openairdocs.org/sdr/AALA202606013252), May 29, 2026: FLAP SYSTEM. LOCKED. AIRCRAFT WAS NOT GROUNDED: AN EMERGENCY WAS DECLARED INTO PHL DUE TO THE FLIGHT CREW REPORTING THAT ON APPROACH WHEN SELECTING FLAPS 2 RECEIVED "F/CTL FLAPS LOC - [SDR AALA202605285722](https://openairdocs.org/sdr/AALA202605285722), May 27, 2026: DOOR. OUT OF ADJUST. AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTS THAT MID LAVATORY 3L DOOR WON'T OPEN AND THAT UPPER FRAME IS BENT. MAINTENANCE ADJUSTED DOOR HEIGHT, FOR MID - [SDR AALA202605131292](https://openairdocs.org/sdr/AALA202605131292), May 12, 2026: BATTERY. NO TEST. AIRCRAFT WAS NOT GROUNDED: FAULT MESSAGE FOR EMERGENCY POWER SUPPLY UNIT 17WL DISPLAYED DURING SYSTEM TEST. MAINTENANCE REPLACED BATTERY FOR EMERGENCY POWER SUP - [SDR AALA202605132992](https://openairdocs.org/sdr/AALA202605132992), May 12, 2026: BATTERY. NO TEST. AIRCRAFT WAS NOT GROUNDED: FAULT MESSAGE FOR EMERGENCY POWER SUPPLY UNIT 10WL DISPLAYED DURING SYSTEM TEST. MAINTENANCE REPLACED BATTERY FOR EMERGENCY POWER SUP - [SDR AALA202605012708](https://openairdocs.org/sdr/AALA202605012708), Apr 30, 2026: ELEC CONNECTOR. LOOSE. AIRCRAFT WAS GROUNDED: SEATR ROW 4ABC EMERGENCY LIGHT INOPERATIVE MAINTENANCE FOUND CONNECTORS LOOSE ON SEAT ROW 4ABC IN-SEAT EMERGENCY LIGHT, SECURED CONNECTOR - [SDR AALA202605014238](https://openairdocs.org/sdr/AALA202605014238), Apr 28, 2026: ELEC CONNECTOR. LOOSE. AIRCRAFT WAS NOT GROUNDED: EMERGENCY EXIT LIGHT INOPERATIVE AT ROW 5C. MAINTENANCE FOUND CONNECTORS LOOSE ON SEAT ROW 5C IN-SEAT EMERGENCY LIGHT, SECURED CONNEC - [SDR AALA202602233752](https://openairdocs.org/sdr/AALA202602233752), Feb 20, 2026: CONNECTOR. DISCONNECTED. AIRCRAFT IN BASE MAINTENANCE: SEAT 4C FLOOR LEVEL EMERGENCY LIGHT IS INOPERATIVE. MAINTENANCE FOUND CONNECTOR FOR EMERGENCY LIGHT DISCONNECTED, RECONNECTED THE - [SDR AALA202602230420](https://openairdocs.org/sdr/AALA202602230420), Jan 27, 2026: LIGHT. NO TEST. AIRCRAFT IN BASE MAINTENANCE: OVERWING EMERGENCY EXIT LIGHT 63WL INOPERATIVE. REPLACED EXIT LIGHT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERG - [SDR AALA202602233646](https://openairdocs.org/sdr/AALA202602233646), Jan 27, 2026: LIGHT. NO TEST. AIRCRAFT IN BASE MAINTENANCE: OVERWING EMERGENCY EXIT LIGHT 62WL INOPERATIVE. REPLACED EXIT LIGHT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERG - [SDR AALA202602235903](https://openairdocs.org/sdr/AALA202602235903), Jan 27, 2026: LIGHT. NO TEST. AIRCRAFT IN BASE MAINTENANCE: OVERWING EMERGENCY EXIT LIGHT 61WL INOPERATIVE. REPLACED EXIT LIGHT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERG - [SDR AALA202602234306](https://openairdocs.org/sdr/AALA202602234306), Jan 27, 2026: LIGHT. NO TEST. AIRCRAFT IN BASE MAINTENANCE: OVERWING EMERGENCY EXIT LIGHT 60WL INOPERATIVE. REPLACED EXIT LIGHT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERG - [SDR AALA202512044988](https://openairdocs.org/sdr/AALA202512044988), Dec 2, 2025: EEC. FAULTED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO MIA DUE TO THE FLIGHT CREW REPORTING THAT DURING FLIGHT AT FL310 AN ENGINE 2 FADEC - [SDR AALA202512036632](https://openairdocs.org/sdr/AALA202512036632), Nov 30, 2025: LIFE LINE. MISSING. AIRCRAFT WAS NOT GROUNDED: RIGHT HAND OVER WING EXIT DOOR LIFE-LINE MISSING. INSTALLED LIFE-LINE PER AMM 25-60-00. - [SDR AALA202512037013](https://openairdocs.org/sdr/AALA202512037013), Nov 30, 2025: LIFE LINE. MISSING. AIRCRAFT WAS NOT GROUNDED: LEFT HAND OVER WING EXIT DOOR LIFE-LINE MISSING. INSTALLED LIFE-LINE PER AMM 25-60-00. - [SDR AALA202511114597](https://openairdocs.org/sdr/AALA202511114597), Nov 11, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: RIGHT HAND FORWARD PASSENGER / CREW DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPE - [SDR AALA202508199233](https://openairdocs.org/sdr/AALA202508199233), Aug 19, 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 AALA202508195590](https://openairdocs.org/sdr/AALA202508195590), Aug 19, 2025: 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 AALA202506201969](https://openairdocs.org/sdr/AALA202506201969), Jun 16, 2025: ACTUATOR. FAULTED. AIRCRAFT WAS NOT GROUNDED: RIGHT OVERWING DOOR FLIGHT LOCK NOT AVAILABLE FAULT ECAM MESSAGE. MAINTENANCE REPALCED RIGHT OVERWING EXIT FLIGHT LOCK ACTUATOR AND A - [SDR AALA202506160782](https://openairdocs.org/sdr/AALA202506160782), Jun 10, 2025: RELAY. FAULTED. AIRCRAFT WAS NOT GROUNDED: DOOR RIGHT OVERWING FAULT ENCOUNTERED AFTER ENGINE SHUTDOWN. MAINTENANCE REPLACED EXIT DOOR HANDLE PROXIMITY SENSOR 33WN2 PER AMM 52- - [SDR AALA202506162251](https://openairdocs.org/sdr/AALA202506162251), Jun 10, 2025: PROXIMITY SENSOR. FAULTED. AIRCRAFT WAS NOT GROUNDED: DOOR RIGHT OVERWING FAULT ENCOUNTERED AFTER ENGINE SHUTDOWN. MAINTENANCE REPLACED EXIT DOOR HANDLE PROXIMITY SENSOR 33WN2 PER AMM 52- - [SDR AALA202503282622](https://openairdocs.org/sdr/AALA202503282622), Mar 27, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: AFT RIGHT PASSENGER / CREW DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CY - [SDR AALA202503283008](https://openairdocs.org/sdr/AALA202503283008), Mar 27, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: FORWARD RIGHT PASSENGER / CREW DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATIO - [SDR AALA202502224271](https://openairdocs.org/sdr/AALA202502224271), Feb 19, 2025: DOOR LATCH. STICKING. AIRCRAFT WAS GROUNDED: FLIGHT DECK DOOR HANDLE DIFFICULT TO OPEN DOOR WHEN TURNED CLOCKWISE. MAINTENANCE REPLACED THE FLIGHT DECK DOOR LOWER LATCH AND ACCOMPLIS - [SDR AALA202502173261](https://openairdocs.org/sdr/AALA202502173261), Feb 14, 2025: DOOR LATCH. STICKING. AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR DIFFICULT TO OPEN FROM INSIDE. LATCH WILL NOT DISENGAGE WHEN D-RING IS TURNED TO THE RIGHT. SOME INTERFERENCE WHEN D - [SDR AALA202501317559](https://openairdocs.org/sdr/AALA202501317559), Jan 30, 2025: COTTER PIN. OUT OF POSITION. AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR LATCH DIFFICULT TO OPEN, WILL ONLY OPEN WHEN TURNED COUNTERCLOCKWISE. MAINTENANCE FOUND COTTER KEY AT LATCH MECHANIS - [SDR AALA202501317546](https://openairdocs.org/sdr/AALA202501317546), Jan 30, 2025: COTTER PIN. OUT OF POSITION. AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR LATCH DIFFICULT TO OPEN, WILL ONLY OPEN WHEN TURNED COUNTERCLOCKWISE. MAINTENANCE READJUSTED COTTER PIN FOR ADDITION - [SDR AALA202501135675](https://openairdocs.org/sdr/AALA202501135675), Jan 8, 2025: LIFE VEST. TORN. AIRCRAFT WAS NOT GROUNDED: MAINTENANCE FOUND LIFE VEST POUCH AT SEAT 15A TORN. REPLACED LIFE-VEST POUCH PER AMM 25-66-52. - [SDR AALA202412103971](https://openairdocs.org/sdr/AALA202412103971), Dec 9, 2024: LIFE LINE. MISSING. AIRCRAFT WAS NOT GROUNDED: LEFT OVERWING EMERGENCY LIFE LINE BAG MISSING. INSTALLED LEFT OVERWING LIFE LINE ASSEMBLY AS REQUIRED. - [SDR AALA202408051448](https://openairdocs.org/sdr/AALA202408051448), Aug 1, 2024: TRIM PANEL. CRACKED. AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED THAT AFTER PASSENGER BOARDING THAT THE R1 DOOR COULD NOT BE ARMED. MAINTENANCE FOUND THE DOOR TRIM CRACKED AND WAS B - [SDR AALA202406215404](https://openairdocs.org/sdr/AALA202406215404), Jun 21, 2024: FLASHLIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: L2 DOOR OUTBOARD FLIGHT ATTENDANT EMERGENCY FLASHLIGHT UNDER SEAT TEST LIGHT INOPERATIVE. REPLACED EMERGENCY FLASHLIGHT PER AMM 25-65 - [SDR AALA202406213439](https://openairdocs.org/sdr/AALA202406213439), Jun 21, 2024: FLASHLIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: L2 DOOR INBOARD FLIGHT ATTENDANT EMERGENCY FLASHLIGHT UNDER SEAT TEST LIGHT INOPERATIVE. REPLACED EMERGENCY FLASHLIGHT PER AMM 25-65- - [SDR AALA202406129475](https://openairdocs.org/sdr/AALA202406129475), Jun 12, 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 AALA202402283314](https://openairdocs.org/sdr/AALA202402283314), Feb 28, 2024: BATTERY. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: EPSU 16WL BATTERY LOW. REMOVED AND REPLACED 16WL EPSU BATTERY. - [SDR AALA202311164106](https://openairdocs.org/sdr/AALA202311164106), Nov 15, 2023: BATTERY. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: RIGHT-HAND AFT FLIGHT ATTENDANT FLASHLIGHT INOPERATIVE. REPLACED BATTERY. - [SDR AALA202310261420](https://openairdocs.org/sdr/AALA202310261420), Oct 10, 2023: HANDLE. DETACHED. AIRCRAFT IN BASE MAINTENANCE: L3 DOOR SLIDE RED PULL HANDLES DETACHED FROM SLIDE. **SUPPLEMENTAL REPORT FOR AALA202310161420: MAINTENANCE REPALCED SLIDE RAFT AS - [SDR AALA202310261220](https://openairdocs.org/sdr/AALA202310261220), Oct 10, 2023: HANDLE. DETACHED. AIRCRAFT IN BASE MAINTENANCE: R3 DOOR SLIDE RED PULL HANDLES DETACHED FROM SLIDE. **SUPPLEMENTAL REPORT FOR AALA202310161220: MAINTENANCE REPLACED SLIDE RAFT AS - [SDR AALA202310161220](https://openairdocs.org/sdr/AALA202310161220), Oct 10, 2023: UNKNOWN. UNKNOWN. AIRCRAFT IN BASE MAINTENANCE: R3 DOOR SLIDE RED PULL HANDLES DETACHED FROM SLIDE. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN) - [SDR AALA202310161420](https://openairdocs.org/sdr/AALA202310161420), Oct 10, 2023: UNKNOWN. UNKNOWN. AIRCRAFT IN BASE MAINTENANCE: L3 DOOR SLIDE RED PULL HANDLES DETACHED FROM SLIDE. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN) - [SDR AALA202309058962](https://openairdocs.org/sdr/AALA202309058962), Sep 1, 2023: HYDRAULIC LINE. LEAKING. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO MSY DUE TO YELLOW HYDRAULIC SYSTEM RESEFVOIR LOW LEVEL MESSAGE WITH ZERO PRESSURE - [SDR AALA202306070146](https://openairdocs.org/sdr/AALA202306070146), Jun 6, 2023: BATTERY. NO TEST. AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT (16WL) OVERWING DOOR RIGHT, FAULT ON CENTRAL FAULT DISPLAY SYSTEM DURING EMERGENCY POWER SUPPLY UNIT SYST - [SDR AALA202302085242](https://openairdocs.org/sdr/AALA202302085242), Feb 6, 2023: HANDLE. NOT SEATED. AIRCRAFT WAS NOT GROUNDED: THE EXTERIOR DOOR HANDLE ON THE 1 L DOOR DOES NOT SEAT FLUSH WHEN THE DOOR IS CLOSED FROM THE INTERIOR OF THE AIRCRAFT. MAINTENANCE L - [SDR AALA202301065350](https://openairdocs.org/sdr/AALA202301065350), Jan 3, 2023: SWITCH. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: SEAT MOUNTED FLOOR PROXIMITY EMERGENCY WHITE LIGHT INOPERATIVE AT SEAT 37C. MAINTENANCE REPLACED BROKEN CONNECTOR AT SEAT 37C PER ESP All 55: https://openairdocs.org/aircraft/N420AN/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/N420AN/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.