# N166NN: 2016 Airbus A321-231

- Status: Valid registration
- Airframe: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (registry code 3940032, 379 seats)
- Engine: [IAE V2533-A5](https://openairdocs.org/engine/iae-v2533-a5) (registry code 34611)
- Data sheets: [TCDS A28NM](https://openairdocs.org/tcds/A28NM) (Airbus SAS), [TCDS E40NE](https://openairdocs.org/tcds/E40NE) (International Aero Engines AG (IAE)) (OpenAirDocs)
- Serial number: 6973
- Year built: 2016
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: July 29, 2016
- Certificate issued: July 29, 2016
- Expires: July 31, 2029
- Mode S code: A10931
- 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=166NN
- Page: https://openairdocs.org/aircraft/N166NN

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

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

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

- [AD 2026-17-04](https://openairdocs.org/ad/2026-17-04): Landing Gear · Airbus A318-111, A318-112, A318-121 and 46 more. Effective Oct 1, 2026
- [AD 2026-17-01](https://openairdocs.org/ad/2026-17-01): Fuselage · Airbus A320-211, A320-212, A320-214 and 12 more. Effective Oct 1, 2026
- [AD 2026-18-03](https://openairdocs.org/ad/2026-18-03): Wings · Airbus A318-112, A319-115, A319-132 and 14 more. Effective Sep 18, 2026
- [AD 2026-14-04](https://openairdocs.org/ad/2026-14-04): Fuselage · Airbus A319-111, A319-112, A319-113 and 56 more. Effective Aug 14, 2026
- [AD 2026-12-02](https://openairdocs.org/ad/2026-12-02): Fuselage · Airbus A318-111, A318-112, A318-121 and 46 more. Effective Jul 14, 2026
- [AD 2026-10-17](https://openairdocs.org/ad/2026-10-17): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jul 6, 2026
- [AD 2026-10-15](https://openairdocs.org/ad/2026-10-15): Fuselage · Airbus A318-111, A318-112, A318-122 and 35 more. Effective Jul 6, 2026
- [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026
- [AD 2026-09-17](https://openairdocs.org/ad/2026-09-17): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 45 more. Effective Jun 18, 2026
- [AD 2026-09-16](https://openairdocs.org/ad/2026-09-16): Fuselage · Airbus A319-111, A319-112, A319-113 and 33 more. Effective Jun 18, 2026
- [AD 2026-11-04](https://openairdocs.org/ad/2026-11-04): Stabilizers · Airbus A319-111, A319-112, A319-113 and 40 more. Effective Jun 15, 2026
- [AD 2026-09-03](https://openairdocs.org/ad/2026-09-03): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 45 more. Effective Jun 12, 2026
- [AD 2026-03-10](https://openairdocs.org/ad/2026-03-10): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 45 more. Effective Apr 8, 2026
- [AD 2025-23-09](https://openairdocs.org/ad/2025-23-09): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jan 13, 2026
- [AD 2025-24-51](https://openairdocs.org/ad/2025-24-51): Flight controls · Airbus A319-111, A319-112, A319-113 and 37 more. Effective Jan 6, 2026
- [AD 2025-20-19](https://openairdocs.org/ad/2025-20-19): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jan 2, 2026
- [AD 2025-20-15](https://openairdocs.org/ad/2025-20-15): Fuselage · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jan 2, 2026
- [AD 2025-19-08](https://openairdocs.org/ad/2025-19-08): Wings · Airbus A319-111, A319-113, A319-112 and 17 more. Effective Dec 30, 2025
- [AD 2025-18-03](https://openairdocs.org/ad/2025-18-03): Oxygen · Airbus A318-111, A318-112, A318-121 and 70 more. Effective Oct 20, 2025
- [AD 2025-17-05](https://openairdocs.org/ad/2025-17-05): Fuselage · Airbus A321-111, A321-112, A321-131 and 5 more. Effective Oct 1, 2025
- [AD 2025-16-10](https://openairdocs.org/ad/2025-16-10): Flight controls · Airbus A318-111, A318-112, A318-121 and 44 more. Effective Sep 22, 2025
- [AD 2025-16-04](https://openairdocs.org/ad/2025-16-04): Equipment/furnishings · Airbus A318-111, A318-112, A318-121 and 46 more. Effective Sep 18, 2025
- [AD 2025-17-17](https://openairdocs.org/ad/2025-17-17): Landing Gear · Airbus A318-111, A318-112, A318-121 and 46 more. Effective Sep 17, 2025
- [AD 2025-13-10](https://openairdocs.org/ad/2025-13-10): Wings · Airbus A319-111, A319-112, A319-113 and 36 more. Effective Aug 14, 2025
- [AD 2025-10-07](https://openairdocs.org/ad/2025-10-07): Fuselage · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jun 26, 2025
- [AD 2025-10-05](https://openairdocs.org/ad/2025-10-05): Landing gear · Airbus A321-111, A321-112, A321-131 and 15 more. Effective Jun 26, 2025
- [AD 2025-09-05](https://openairdocs.org/ad/2025-09-05): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jun 5, 2025
- [AD 2025-02-04](https://openairdocs.org/ad/2025-02-04): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Mar 17, 2025
- [AD 2025-01-02](https://openairdocs.org/ad/2025-01-02): Fuselage · Airbus A319-111, A319-112, A319-113 and 20 more. Effective Mar 11, 2025
- [AD 2024-26-05](https://openairdocs.org/ad/2024-26-05): Oxygen · Airbus A300 B4-601, A300 B4-603, A300 B4-620 and 87 more. Effective Mar 11, 2025
- [AD 2024-25-12](https://openairdocs.org/ad/2024-25-12): Landing gear · Airbus A319-111, A319-112, A319-113 and 35 more. Effective Mar 7, 2025
- [AD 2025-03-08](https://openairdocs.org/ad/2025-03-08): Flight Controls · Airbus A318-111, A318-112, A318-121 and 70 more. Effective Feb 26, 2025
- [AD 2024-26-04](https://openairdocs.org/ad/2024-26-04): Pneumatic · Airbus A318-111, A318-112, A318-121 and 44 more. Effective Feb 18, 2025
- [AD 2024-24-10](https://openairdocs.org/ad/2024-24-10): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jan 13, 2025
- [AD 2024-24-09](https://openairdocs.org/ad/2024-24-09): Equipment/Furnishings · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jan 13, 2025
- [AD 2024-19-15](https://openairdocs.org/ad/2024-19-15): Oxygen · Safran Aerosystems Oxygen Cylinder, Valve Assembly, Oxygen Valve and 103 more. Effective Nov 26, 2024
- [AD 2024-12-01](https://openairdocs.org/ad/2024-12-01): Wings · Airbus A318-111, A318-112, A318-121 and 25 more. Effective Aug 13, 2024
- [AD 2024-11-01](https://openairdocs.org/ad/2024-11-01): Electrical Power · Airbus A300 B4-2C, A300 B4-103, A300 B4-203 and 94 more. Effective Jul 3, 2024
- [AD 2024-08-08](https://openairdocs.org/ad/2024-08-08): Electrical Power · Airbus A300 B4-2C, A300 B4-103, A300 B4-203 and 94 more. Effective Jun 6, 2024
- [AD 2024-06-07](https://openairdocs.org/ad/2024-06-07): Wings · Airbus A319-115, A320-214, A320-216 and 14 more. Effective May 22, 2024
- [AD 2024-04-04](https://openairdocs.org/ad/2024-04-04): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Apr 22, 2024
- [AD 2023-23-11](https://openairdocs.org/ad/2023-23-11): Landing gear · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jan 23, 2024
- [AD 2023-23-04](https://openairdocs.org/ad/2023-23-04): Wings · Airbus A321-111, A321-112, A321-131 and 5 more. Effective Jan 16, 2024
- [AD 2023-23-08](https://openairdocs.org/ad/2023-23-08): Electric and electronic common installation · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jan 5, 2024
- [AD 2023-20-12](https://openairdocs.org/ad/2023-20-12): Equipment/Furnishings · Airbus A318-111, A318-112, A318-121 and 38 more. Effective Nov 21, 2023
- [AD 2023-18-02](https://openairdocs.org/ad/2023-18-02): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Oct 24, 2023
- [AD 2023-13-03](https://openairdocs.org/ad/2023-13-03): Doors · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Sep 5, 2023
- [AD 2023-13-01](https://openairdocs.org/ad/2023-13-01): Fuel · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jul 12, 2023
- [AD 2023-09-11](https://openairdocs.org/ad/2023-09-11): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Jul 10, 2023
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023

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

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

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

- [AD 2025-17-07](https://openairdocs.org/ad/2025-17-07) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 44 more. Effective Oct 1, 2025
- [AD 2025-10-12](https://openairdocs.org/ad/2025-10-12) (historical): Fuselage · Airbus A319-111, A319-112, A319-113 and 55 more. Effective Jul 2, 2025
- [AD 2025-03-07](https://openairdocs.org/ad/2025-03-07) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Mar 21, 2025
- [AD 2025-03-06](https://openairdocs.org/ad/2025-03-06) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Mar 21, 2025
- [AD 2024-25-06](https://openairdocs.org/ad/2024-25-06) (historical): Landing Gear · Airbus A318-111, A318-112, A318-121 and 44 more. Effective Dec 30, 2024
- [AD 2024-19-13](https://openairdocs.org/ad/2024-19-13) (historical): Time Limits/Maintenance Checks · Airbus A320-211, A320-212, A320-214 and 43 more. Effective Nov 26, 2024
- [AD 2024-04-07](https://openairdocs.org/ad/2024-04-07) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Apr 22, 2024
- [AD 2024-04-03](https://openairdocs.org/ad/2024-04-03) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Apr 19, 2024
- [AD 2023-25-09](https://openairdocs.org/ad/2023-25-09) (historical): Oxygen · Airbus A318-111, A318-112, A318-121 and 69 more. Effective Feb 7, 2024
- [AD 2023-13-11](https://openairdocs.org/ad/2023-13-11) (historical): Oxygen · AVOX Systems Oxygen valve assemblies (body and gage assemblies), Oxygen cylinder and valve assemblies, A300 B2-1A and 102 more. Effective Sep 5, 2023
- [AD 2023-13-10](https://openairdocs.org/ad/2023-13-10) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Sep 5, 2023
- [AD 2023-09-01](https://openairdocs.org/ad/2023-09-01) (historical): Pneumatic · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jun 26, 2023
- [AD 2023-05-02](https://openairdocs.org/ad/2023-05-02) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Apr 18, 2023
- [AD 2023-04-06](https://openairdocs.org/ad/2023-04-06) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Apr 10, 2023
- [AD 2022-24-05](https://openairdocs.org/ad/2022-24-05) (historical): Equipment/Furnishings · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Jan 9, 2023
- [AD 2022-22-10](https://openairdocs.org/ad/2022-22-10) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Dec 30, 2022
- [AD 2022-18-09](https://openairdocs.org/ad/2022-18-09) (historical): Equipment/Furnishings · Airbus A319-111, A319-112, A319-113 and 24 more. Effective Oct 20, 2022
- [AD 2022-15-05](https://openairdocs.org/ad/2022-15-05) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Aug 31, 2022
- [AD 2022-14-10](https://openairdocs.org/ad/2022-14-10) (historical): Wings · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Aug 19, 2022
- [AD 2022-09-16](https://openairdocs.org/ad/2022-09-16) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Jun 30, 2022
- [AD 2022-08-08](https://openairdocs.org/ad/2022-08-08) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective May 26, 2022
- [AD 2022-07-08](https://openairdocs.org/ad/2022-07-08) (historical): Time Limits/Maintenance Checks, Flight Controls · Airbus A318-111, A318-112, A318-121 and 43 more. Effective May 19, 2022
- [AD 2022-07-15](https://openairdocs.org/ad/2022-07-15) (historical): Landing gear · Airbus A318-111, A318-112, A318-121 and 43 more. Effective May 2, 2022
- [AD 2022-06-02](https://openairdocs.org/ad/2022-06-02) (historical): Equipment/furnishings · Airbus A318-111, A318-112, A319-111 and 22 more. Effective Apr 26, 2022
- [AD 2022-04-09](https://openairdocs.org/ad/2022-04-09) (historical): Oxygen System · Airbus A300 B2-1A, A300 B2-1C, A300 B2K-3C and 94 more. Effective Apr 4, 2022
- [AD 2022-04-03](https://openairdocs.org/ad/2022-04-03) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Mar 30, 2022
- [AD 2022-02-11](https://openairdocs.org/ad/2022-02-11) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Mar 15, 2022
- [AD 2021-23-15](https://openairdocs.org/ad/2021-23-15) (historical): Equipment/Furnishings · Airbus A319-111, A319-112, A319-113 and 20 more. Effective Jan 10, 2022
- [AD 2021-25-14](https://openairdocs.org/ad/2021-25-14) (historical): Wings · Airbus A319-111, A319-112, A319-113 and 20 more. Effective Jan 5, 2022
- [AD 2021-22-04](https://openairdocs.org/ad/2021-22-04) (historical): Wings · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Dec 27, 2021
- [AD 2021-20-08](https://openairdocs.org/ad/2021-20-08) (historical): Electrical Power · Airbus A318-111, A318-112, A318-121 and 72 more. Effective Nov 18, 2021
- [AD 2021-16-01](https://openairdocs.org/ad/2021-16-01) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Sep 28, 2021
- [AD 2020-25-03](https://openairdocs.org/ad/2020-25-03) (historical): Equipment/furnishings · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Dec 28, 2020
- [AD 2020-22-16](https://openairdocs.org/ad/2020-22-16) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Dec 10, 2020
- [AD 2020-21-11](https://openairdocs.org/ad/2020-21-11) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Nov 20, 2020
- [AD 2020-21-10](https://openairdocs.org/ad/2020-21-10) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Nov 19, 2020
- [AD 2020-20-05](https://openairdocs.org/ad/2020-20-05) (historical): Time Limits/Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 42 more. Effective Nov 19, 2020
- [AD 2020-16-01](https://openairdocs.org/ad/2020-16-01) (historical): Fire protection · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Aug 19, 2020
- [AD 2020-06-10](https://openairdocs.org/ad/2020-06-10) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective May 4, 2020
- [AD 2020-05-16](https://openairdocs.org/ad/2020-05-16) (historical): Wings · Airbus A319-115, A320-214, A320-216 and 11 more. Effective Apr 24, 2020
- [AD 2020-06-18](https://openairdocs.org/ad/2020-06-18) (historical): Flight controls · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Apr 2, 2020
- [AD 2019-26-11](https://openairdocs.org/ad/2019-26-11) (historical): Equipment/ furnishings · Airbus A318-112, A319-115, A319-132 and 11 more. Effective Mar 12, 2020
- [AD 2020-01-17](https://openairdocs.org/ad/2020-01-17) (historical): Equipment/ furnishings · Airbus A318-111, A318-112, A318-121 and 43 more. Effective Feb 14, 2020
- [AD 2019-24-13](https://openairdocs.org/ad/2019-24-13) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Feb 3, 2020
- [AD 2019-23-01](https://openairdocs.org/ad/2019-23-01) (historical): Time Limits/ Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 37 more. Effective Jan 9, 2020
- [AD 2019-21-10](https://openairdocs.org/ad/2019-21-10) (historical): Wings · Airbus A321-111, A321-112, A321-131 and 5 more. Effective Dec 24, 2019
- [AD 2019-20-10](https://openairdocs.org/ad/2019-20-10) (historical): Fuselage · Airbus A318-111, A318-112, A318-121 and 24 more. Effective Dec 18, 2019
- [AD 2019-20-03](https://openairdocs.org/ad/2019-20-03) (historical): Information systems · Airbus A340-312, A340-313, A318-111 and 48 more. Effective Nov 19, 2019
- [AD 2019-19-15](https://openairdocs.org/ad/2019-19-15) (historical): Time Limits/ Maintenance Checks · Airbus A318-111, A318-112, A318-121 and 36 more. Effective Nov 14, 2019
- [AD 2019-18-07](https://openairdocs.org/ad/2019-18-07) (historical): Fuselage · Airbus A319-111, A319-112, A319-113 and 20 more. Effective Oct 31, 2019

All 436: https://openairdocs.org/aircraft/N166NN/ads.md

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

- [SAIB NE-19-03](https://openairdocs.org/saib/NE-19-03): Escape Slide Maintenance Tasks and Intervals - JASC 2565. Issued Feb 19, 2019
- [SAIB NM-14-21](https://openairdocs.org/saib/NM-14-21): Communications: Honeywell RTA 44D VHF Transceivers. Issued Jun 3, 2014
- [SAIB NM-13-03](https://openairdocs.org/saib/NM-13-03): Hydraulic Power System: Power Transfer Unit. Issued Oct 23, 2012
- [SAIB NM-06-57](https://openairdocs.org/saib/NM-06-57): Reports of damage to airplanes and to property on the ground caused by blue or clear ice falling from airplanes.. Issued Jul 27, 2006
- [SAIB 2026-11](https://openairdocs.org/saib/2026-11): Theft of Turbofan Engine Parts before Mutilation. Issued Jun 8, 2026

## NTSB investigations

None matched to N166NN.

## FAA accident and incident reports

None matched to N166NN.

## Service difficulty reports (66, 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 AALA202610120971](https://openairdocs.org/sdr/AALA202610120971), Oct 10, 2026: BATTERY. NO TEST. AIRCRAFT WAS NOT GROUNDED: FAULT MESSAGE DISPLAYED FOR EMERGENCY POWER SUPPLY UNIT 10WL DURING SYSTEM TEST - MAINTENANCE REPLACED THE BATTERY FOR EMERGENCY POWE
- [SDR AALA202608036964](https://openairdocs.org/sdr/AALA202608036964), Aug 2, 2026: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: LEFT FORWARD 833 EMERGENCY DOOR DAMPER LOW AT 1550 TEMP 65 DEGREES FAHRENHEIT. MAINTENANCE SERVICED FORWARD DOOR DAMPER #1 PER TASK C
- [SDR AALA202606045077](https://openairdocs.org/sdr/AALA202606045077), Jun 4, 2026: SLIDE RAFT. DEFECTIVE. AIRCRAFT WAS NOT GROUNDED: DURING A SCHEDULED SLIDE RAFT ASSEMBLY REPLACEMENT FOR THE L1 DOOR, MAINTENANCE FOUND THE REPLACEMENT SLIDE RAFT ASSEMBLY TO BE BAD F
- [SDR AALA202605115942](https://openairdocs.org/sdr/AALA202605115942), May 11, 2026: WIRE. BROKEN. AIRCRAFT WAS NOT GROUNDED: SEAT ROW 1C, EMERGENCY LIGHT INOPERATIVE. MAINTENANCE REPAIRED WIRES UNDER SEAT 1A AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK 
- [SDR AALA202601235702](https://openairdocs.org/sdr/AALA202601235702), Jan 12, 2026: WIRE. BROKEN. AIRCRAFT WAS NOT GROUNDED: SEAT 1C WALL MOUNTED EMERGENCY LIGHT INOPERATIVE. **SUPPLEMENTAL REPORT FOR AALA202601165702 SUBMITTED 1/16/2026 BY TUL: MAINTENANCE 
- [SDR AALA202601165702](https://openairdocs.org/sdr/AALA202601165702), Jan 12, 2026: LIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: SEAT 1C WALL MOUNTED EMERGENCY LIGHT INOPERATIVE. (OPEN)
- [SDR AALA202509239658](https://openairdocs.org/sdr/AALA202509239658), Sep 22, 2025: BATTERY. NO TEST. AIRCRAFT IN BASE MAINTENANCE: BATTERY FAULT FOR EMERGENCY POWER SUPPLY UNIT 11WL DISPLAYED DURING SYSTEM TEST. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY 
- [SDR AALA202509291004](https://openairdocs.org/sdr/AALA202509291004), Sep 21, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT IN BASE MAINTENANCE: R3 EMERGENCY DOOR PRESSURE IS LOW. MAINTENANCE SERVICED R3 EMERGENCY DOOR DAMPER IAW AMM 52-22-00-614-002-A.
- [SDR AALA202509264664](https://openairdocs.org/sdr/AALA202509264664), Sep 21, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT IN BASE MAINTENANCE, L1 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-
- [SDR AALA202509233304](https://openairdocs.org/sdr/AALA202509233304), Sep 21, 2025: BATTERY. NO TEST. AIRCRAFT IN BASE MAINTENANCE: FAULT DISPLAYED FOR EMERGENCY POWER SUPPY UNIT 15WL DURING SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 15WL (AALA20250923026
- [SDR AALA202509230527](https://openairdocs.org/sdr/AALA202509230527), Sep 21, 2025: POWER SUPPLY. NO TEST. AIRCRAFT IN BASE MAINTENANCE: FAULT DISPLAYED FOR EMERGENCY POWER SUPPY UNIT 15WL DURING SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 15WL (AALA20250923026
- [SDR AALA202507147000](https://openairdocs.org/sdr/AALA202507147000), Jul 13, 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 AALA202504170867](https://openairdocs.org/sdr/AALA202504170867), Apr 5, 2025: OIL SYSTEM. LEAKING. AIRCRAFT WAS GROUNDED: UPON START OF DECENT FROM FL330, BEGAN TO SMELL STRONG ODOR IN CABIN. SAME ODOR THAT IS OFTEN DESCRIBED AS "DIRTY SOCKS". APU WAS NOT RUN
- [SDR AALA202504080867](https://openairdocs.org/sdr/AALA202504080867), Apr 5, 2025: UNKNOWN. ODOR. AIRCRAFT WAS GROUNDED: UPON START OF DECENT FROM FL330, BEGAN TO SMELL STRONG ODOR IN CABIN. SAME ODOR THAT IS OFTEN DESCRIBED AS "DIRTY SOCKS". APU WAS NOT RUN
- [SDR AALA202502254919](https://openairdocs.org/sdr/AALA202502254919), Feb 24, 2025: BOTTLE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: LEFT HAND FORWARD EMERGENCY DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION C
- [SDR AALA202502120387](https://openairdocs.org/sdr/AALA202502120387), Feb 11, 2025: SMOKE DETECTOR. FALSE INDICATION. AIRCRAFT WAS NOT GROUNDED: FLIGHT CREW REPORTED THAT WHILE IN CRUISE, A LAVATORY SMOKE ECAM MESSAGE DISPLAYED. FLIGHT ATTENDANT INSPECTED THE FIRST CLASS LAVATO
- [SDR AALA202412237117](https://openairdocs.org/sdr/AALA202412237117), Dec 22, 2024: LAMP. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: SEAT 1C SEAT-MOUNTED EMERGENCY LIGHT INOP. MAINTENANCE REPLACED SEAT 1C SEAT-MOUNTED EMERGENCY LAMP PER AMM 33-51-18 OPS CHECK NORMAL
- [SDR AALA202403258723](https://openairdocs.org/sdr/AALA202403258723), Mar 22, 2024: BATTERY. DISCHARGED. AIRCRAFT WAS GROUNDED: DURING A CHECK FOUND R2 FLIGHT ATTENDANT FLASHLIGHT BATTERY LOW. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.
- [SDR AALA202402120975](https://openairdocs.org/sdr/AALA202402120975), Feb 11, 2024: ACCUMULATOR. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R1 DOOR ACCUMULATOR NEEDS SERVICING. SERVICED R1 DOOR ACCUMULATOR.
- [SDR AALA202311071437](https://openairdocs.org/sdr/AALA202311071437), Nov 5, 2023: ACCUMULATOR. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L1 DOOR EMERGENCY CYLINDER/ACTUATOR PRESSURE LOW 1400 PSI. CHARGED L1 DOOR EMERGENCY CYLINDER/ ACCUMULATOR.
- [SDR AALA202307287888](https://openairdocs.org/sdr/AALA202307287888), Jul 25, 2023: DOOR. STUCK. AIRCRAFT WAS NOT GROUNDED: MID-LAVATORY DOOR DIFFICULT TO OPEN. RE-INSTALLED DOOR PER AMM 52-50-00.
- [SDR AALA202306055357](https://openairdocs.org/sdr/AALA202306055357), Jun 2, 2023: DAMPER. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L1 PASSENGER DOOR DAMPER CYLINDER PRESSURE NOT WITHIN LIMITS. SERVICED L1 PASSENGER DOOR DAMPER CYLINDER TO CORRECT PRESSURE AS PER A
- [SDR AALA202302213358](https://openairdocs.org/sdr/AALA202302213358), Feb 17, 2023: LIGHT. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: SEAT ROW 1LH SEAT EMERGENCY LIGHT PATH INOPERATIVE. MAINTENANCE REPLACED EMERGENCY LIGHT ASSEMBLY PER AMM 33-52-00. AND ACCOMPLISHED 
- [SDR AALA202302133035](https://openairdocs.org/sdr/AALA202302133035), Feb 10, 2023: SLIDING WINDOW. DELAMINATED. AIRCRAFT WAS NOT GROUNDED: FIRST OFFICERS SIDE WINDOW R-2 DELAMINATING TOP/LEFT CORNER FORWARD 20% OF WINDOW FOGGED OVER/ NOT TRANSPARENT AFTER LANDING. MAINTEN
- [SDR AALA202208232929](https://openairdocs.org/sdr/AALA202208232929), Aug 20, 2022: BATTERY. NONE. AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 12WL BATTERY FAILED TEST PER TASK CARD 26L00005005. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPER
- [SDR AALA202208109169](https://openairdocs.org/sdr/AALA202208109169), Aug 8, 2022: NONE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: L1 DOOR ASSIST BOTTLE REQUIRES SERVICING PER PERIODIC SERVICE CHECK TASK CARD. SERVICED DOOR ASSIST BOTTLE PER AMM 52-10-00.
- [SDR AALA202208105601](https://openairdocs.org/sdr/AALA202208105601), Aug 8, 2022: NONE. LOW PRESSURE. AIRCRAFT WAS NOT GROUNDED: R1 DOOR ASSIST BOTTLE REQUIRES SERVICING PER PERIODIC SERVICE CHECK TASK CARD. SERVICED DOOR ASSIST BOTTLE PER AMM 52-10-00.
- [SDR AALA202204046502](https://openairdocs.org/sdr/AALA202204046502), Apr 1, 2022: FITTING. WORN. AIRCRAFT IN BASE MAINTENANCE: NOSE LANDING GEAR LEG DOOR LOOSE. REPLACED FITTING ASSEMBLY PER AMM 32-22-15-400-802-A AND AMM 32-22-15-400-001-A
- [SDR AALA202204048366](https://openairdocs.org/sdr/AALA202204048366), Apr 1, 2022: SKIN. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK LEADING EDGE LOWER SURFACE AT LEVEL RIB 15 ON LEFT WING. PERFORMED PERMANENT REPAIR ON LEADING EDGE LOWER SURFACE AT LEVEL R
- [SDR AALA202204044204](https://openairdocs.org/sdr/AALA202204044204), Apr 1, 2022: SKIN. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACK LOWER SKIN OUTBOARD FIXED LEADING EDGE AT LEVEL RIB 15 RIGHT WING. PERFORMED REPAIR IN LOWER SKIN OUTBOARD FIXED LEADING EDG
- [SDR AALA202204042581](https://openairdocs.org/sdr/AALA202204042581), Mar 29, 2022: SLIDE. DEFORMED. AIRCRAFT IN BASE MAINTENANCE: PASSENGER / CREW DOOR 841 SLIDE DEFORMED. REPLACED SLIDE PER TASK CARD 26L00025011.
- [SDR AALA202203166586](https://openairdocs.org/sdr/AALA202203166586), Mar 5, 2022: DAMPER. LOW PRESSURE. AIRCRAFT IN BASE MAINTENANCE: PASSENGER / CREW DOOR DAMPER EMERGENCY CYLINDER PRESSURE LOW. REPLACED DOOR DAMPER EMERGENCY CYLINDER PER AMM 52-11-14.
- [SDR AALA202203315231](https://openairdocs.org/sdr/AALA202203315231), Mar 4, 2022: NONE. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON LEFT AFT PASSENGER / CREW DOOR CUT OUT LOWER SILL AT FR 68 AND S23L. REPAIRED LOWER SILL PER SRM 53-41-14-300-001 REP
- [SDR AALA202203301669](https://openairdocs.org/sdr/AALA202203301669), Mar 4, 2022: NONE. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON RIGHT AFT PASSENGER / CREW DOOR CUT OUT LOWER SILL AT FR 68 AND S23R. REPAIRED LOWER SILL PER SRM 53-41-14-300-001 RE
- [SDR AALA202203281669](https://openairdocs.org/sdr/AALA202203281669), Mar 4, 2022: DOOR SILL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON RIGHT AFT PASSENGER / CREW DOOR CUT OUT LOWER SILL AT FR 68 AND S23R. REPAIRED LOWER SILL PER SRM 53-41-14-300-001 RE
- [SDR AALA202203285231](https://openairdocs.org/sdr/AALA202203285231), Mar 4, 2022: DOOR SILL. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON LEFT AFT PASSENGER / CREW DOOR CUT OUT LOWER SILL AT FR 68 AND S23L. REPAIRED LOWER SILL PER SRM 53-41-14-300-001 REP
- [SDR AALA202203282798](https://openairdocs.org/sdr/AALA202203282798), Mar 4, 2022: SHEAR PLATE. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACKED AFT CABIN FLOOR SHEAR PLATE BETWEEN FR 69 AND FR 70 AT S23R. REPLACED SHEAR PLATE PER SRM 51-72-11.
- [SDR AALA202203281450](https://openairdocs.org/sdr/AALA202203281450), Mar 4, 2022: SHEAR PLATE. CRACKED. AIRCRAFT IN BASE MAINTENANCE: CRACKED AFT CABIN FLOOR SHEAR PLATE BETWEEN FR 68 AND FR 69 AT S23L. REPLACED SHEAR PLATE PER SRM 51-72-11.
- [SDR AALA202203152671](https://openairdocs.org/sdr/AALA202203152671), Mar 4, 2022: FITTING. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON LEFT AFT PASSENGER / CREW DOOR CUT OUT LOWER SILL CENTER FITTING BETWEEN FR 66 AND FR 68 AT S23L. REPLACED CENTER FIT
- [SDR AALA202203159960](https://openairdocs.org/sdr/AALA202203159960), Mar 4, 2022: FITTING. CORRODED. AIRCRAFT IN BASE MAINTENANCE: CORROSION ON RIGHT AFT PASSENGER / CREW DOOR CUT OUT LOWER SILL CENTER FITTING BETWEEN FR 66 AND FR 68 AT S21R. REPLACED CENTER FI
- [SDR AALA202107281088](https://openairdocs.org/sdr/AALA202107281088), Jul 15, 2021: WINDSHIELD. DELAMINATED. AIRCRAFT WAS NOT GROUNDED: FIRST OFFICERS R1 WINDSHIELD DELAMINATED ON BOTTOM. REPLACED WINDSHIELD PER TASK CARD 26L21056001.
- [SDR AALA202107161088](https://openairdocs.org/sdr/AALA202107161088), Jul 15, 2021: WINDSHIELD. DELAMINATED. AIRCRAFT WAS NOT GROUNDED: FIRST OFFICERS R1 WINDSHIELD DELAMINATED ON BOTTOM. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)
- [SDR AALA202107123968](https://openairdocs.org/sdr/AALA202107123968), Jul 11, 2021: CONNECTOR. BROKEN. AIRCRAFT WAS GROUNDED: EMERGENCY LIGHTS AT SEATS 31ABC, 32ABC, 33ABC AND 34ABC INOPERATIVE. CANNON PLUGS AT SEATS 32A AND 34A, BROKEN. REMOVED AND REPLACED CONN
- [SDR AALA202107122279](https://openairdocs.org/sdr/AALA202107122279), Jul 11, 2021: CONNECTOR. BROKEN. AIRCRAFT WAS GROUNDED: EMERGENCY LIGHTS AT SEATS 31ABC, 32ABC, 33ABC AND 34ABC INOPERATIVE. CANNON PLUGS AT SEATS 32A AND 34A, BROKEN. REMOVED AND REPLACED CONN
- [SDR AALA202103319014](https://openairdocs.org/sdr/AALA202103319014), Mar 27, 2021: LENS. INCORRECT. AIRCRAFT WAS GROUNDED: EMERGENCY LIGHT AT SEAT 11C ILLUMINATES WHITE, SHOULD BE RED. REPLACED EMERGENCY LIGHT ASSEMBLY AT SEAT 11C PER AMM 33-51-18.
- [SDR AALA202103309030](https://openairdocs.org/sdr/AALA202103309030), Mar 27, 2021: CONNECTOR. LOOSE. AIRCRAFT WAS GROUNDED: EMERGENCY LIGHT SEAT 2C INOPERATIVE. FOUND CANNON PLUG LOOSE AND SECURED IT. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED PER AMM 33
- [SDR AALA202011239001](https://openairdocs.org/sdr/AALA202011239001), Nov 22, 2020: SLIDE. ABNORMAL. AIRCRAFT WAS GROUNDED. DURING SECURITY CHECK, FOUND L1 DOOR SLIDE PROTRUDING FROM BEZEL AND SLIDE PRESSURE BOTTLE DEPRESSURIZED. REMOVED STAND FOR SAFE SLIDE DE
- [SDR AALA202010099016](https://openairdocs.org/sdr/AALA202010099016), Oct 8, 2020: SLIDE. PARTIAL DEPLOY. AIRCRAFT WAS GROUNDED. R4 SLIDE PARTIALLY DEPLOYED, FOUND ON PREFLIGHT. REMOVED AND REPLACED R4 DOOR SLIDE, IAW JOB CARD 26L00025011.
- [SDR AALA2020060329018](https://openairdocs.org/sdr/AALA2020060329018), Jun 1, 2020: CONNECTOR. LOOSE. AIRCRAFT NOT GROUNDED. SEAT ROW 14ABC ESCAPE PATH EMERGENCY LIGHT INOPERATIVE. SECURED PLUG CONNECTION PER AWM 33-51-08, OPERATIONAL CHECK PASSED.
- [SDR AALA202004149006](https://openairdocs.org/sdr/AALA202004149006), Apr 13, 2020: SLIDING WINDOW. DELAMINATED. AIRCRAFT WAS GROUNDED. FLIGHT DECK LEFT HAND SIDE CAPTAINS SLIDING WINDOW DELAMINATED. SUPPLEMENTAL REPORT, REPLACED SLIDING WINDOW PER AMM 56-12-11. (CLOSED)

All 66: https://openairdocs.org/aircraft/N166NN/reports.md

## STCs that may be installed (OpenAirDocs) (217, first 50)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Airbus A321-231)

- [STC ST03438NY](https://openairdocs.org/stc/ST03438NY): Installation of Adams Rite Lavatory Equipment. Delta Engineering Corporation
- [STC ST12434AC](https://openairdocs.org/stc/ST12434AC): Replacement of the wing fuel tank access panel gasket. Aviation Devices & Electronic Components, LLC
- [STC ST02714CH](https://openairdocs.org/stc/ST02714CH): Modify the aircraft interior to match standard passenger configurations. Atin OOH LLC
- [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems
- [STC ST04493NY](https://openairdocs.org/stc/ST04493NY): Conversion of Passenger to Freighter configuration by installing a large Main Deck Cargo Door and Frame Shell Structure, Class "E" Cargo Compartment, Crew Entry Door and Surround Structure, Rigid Cargo Barrier, Floor reinforcements, and other associated modifications. ELBE Flugzeugwerke GmbH
- [STC ST02528LA](https://openairdocs.org/stc/ST02528LA): Installation of the Thales Avionics, Inc. Data Transfer Device (DTD) or Solid State Drive (SSD) into the existing Cabin Media Loader (CML). Thales Avionics Inc
- [STC ST02228SE](https://openairdocs.org/stc/ST02228SE): Installation of Bin NuLook. Safran Cabin, Inc
- [STC ST04474NY](https://openairdocs.org/stc/ST04474NY): Activation of Wireless Local Area Network (WLAN) system. Jet Aviation AG
- [STC ST04254NY](https://openairdocs.org/stc/ST04254NY): Installation of Viasat Satcom Software. ALOFT AeroArchitects
- [STC ST03416NY](https://openairdocs.org/stc/ST03416NY): Installation of Intelsat Connectivity Antenna (with demod option). Delta Engineering Corporation
- [STC ST02913NY](https://openairdocs.org/stc/ST02913NY): Installation of a Panasonic Avionics Corporation Global Communications Suite (GCS) and/or In-Flight Entertainment System. Delta Engineering Corporation
- [STC ST01700AT-D](https://openairdocs.org/stc/ST01700AT-D): Installation of Airshow 420 System. AIRCRAFT RECONFIG TECHNOLOGIES, LLC. Lists A321 Series
- [STC ST00952LA](https://openairdocs.org/stc/ST00952LA): Installation of Mass Systems fire extinguisher cartridges as replacements for Kidde fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON LLC d/b/a MASS Systems
- [STC ST03741NY](https://openairdocs.org/stc/ST03741NY): Viasat KA SATCOM Antenna System Installation, approve configurations. ALOFT AeroArchitects
- [STC ST03742NY](https://openairdocs.org/stc/ST03742NY): Viasat KA Cabin Distribution System Installation. ALOFT AeroArchitects
- [STC ST00142NY](https://openairdocs.org/stc/ST00142NY): Cargo floorboard installation. American Airlines, Inc., Maintenance and Engineering (M&E) Division
- [STC ST02890NY](https://openairdocs.org/stc/ST02890NY): Installation of a Panasonic Avionics Corporation Global Communications Suite Antenna. Delta Engineering Corporation
- [STC ST04759NY](https://openairdocs.org/stc/ST04759NY): Installation of a single cockpit USB charger. Eirtech Aviation Services Inc
- [STC ST02356LA](https://openairdocs.org/stc/ST02356LA): Installation of Inflight Warning Systems Fan Vibration Monitor Unit. Astronics Advanced Electronic Systems (AES)
- [STC ST02699LA](https://openairdocs.org/stc/ST02699LA): Installation of Vogt Aero Nickel Cadmium Battery P/N 2758-LMVA or 2758-RMVA. Vogt Aero LLC
- [STC ST03189CH](https://openairdocs.org/stc/ST03189CH): Installation of an advertisement container on the bottom of a seat back tray table. Atin OOH LLC
- [STC ST04462CH](https://openairdocs.org/stc/ST04462CH): Installation of Row 44 Broadband Antenna System Provisions. Anuvu IFC Corporation
- [STC ST04528CH](https://openairdocs.org/stc/ST04528CH): Installation of a broadband wireless internet system in accordance with Row 44 Master Data Index Listing, Document No. RWO100-0003-00, Revision IR, dated May 26, 2021 or later FAA approved revision. Anuvu IFC Corporation
- [STC ST12229IB](https://openairdocs.org/stc/ST12229IB): Installation of Thinkom antenna on the top rear fuselage. EAD Aerospace Airworthiness T/A Eclipse Technics
- [STC ST04288CH](https://openairdocs.org/stc/ST04288CH): Installation of an Automatic Dependent Surveillance Broadcast Out (ADS-B Out) Transponder System with Honeywell Integrated Multi-Mode Receiver (IMMR), Model Number IMMR 20.1 installed with TSO-C190 compliant GPS antenna. Amphenol Cable and Interconnect Technologies Inc
- [STC ST00892LA](https://openairdocs.org/stc/ST00892LA): Installation of Emergency Vision Assurance System (EVAS). VisionSafe LLC
- [STC ST04292CH](https://openairdocs.org/stc/ST04292CH): Installation of JADE SATCOM Antenna System Provisions. Amphenol Cable and Interconnect Technologies Inc
- [STC ST00030IB](https://openairdocs.org/stc/ST00030IB): Installation of Test Tech ELT. APTOZ EHF
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC ST01818LA](https://openairdocs.org/stc/ST01818LA): Installation of Forward RH Stowage. Safran Cabin Inc
- [STC ST02561LA](https://openairdocs.org/stc/ST02561LA): C&D Zodiac, Inc. Interior Installations and Modifications per C&D Zodiac, Inc., Index List No. 945-1, Revision B, dated April 20, 2018, or later FAA approved revisions. Safran Cabin Inc
- [STC ST02735LA](https://openairdocs.org/stc/ST02735LA): Installation of modular lower deck Cargo Loading System (CLS). Telair International
- [STC ST03417NY](https://openairdocs.org/stc/ST03417NY): Installation with demod option of Intelsat Cabin Connectivity System. Delta Engineering Corporation
- [STC ST04089NY](https://openairdocs.org/stc/ST04089NY): Installation of Cabin Seating. Delta Engineering Corporation
- [STC ST04798NY](https://openairdocs.org/stc/ST04798NY): AAR Engineering Services Seat Re-pitch. Delta Engineering Corporation
- [STC ST02472AT](https://openairdocs.org/stc/ST02472AT): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII. Aircraft Systems and Manufacturing Inc
- [STC ST02612CH](https://openairdocs.org/stc/ST02612CH): Installation of AD Aerospace Cockpit Door Monitoring System. Amphenol Cable and Interconnect Technologies, Inc
- [STC ST02626CH](https://openairdocs.org/stc/ST02626CH): Installation of ECS EZMount® mechanical mounting assemblies on lower frames of cockpit sliding windows. Amphenol Cable and Interconnect Technologies Inc
- [STC ST03176NY](https://openairdocs.org/stc/ST03176NY): Installation of a Gogo ATG4 system. Amphenol Cable and Interconnect Technologies Inc
- [STC ST04328CH](https://openairdocs.org/stc/ST04328CH): Installation and activation of the RAVE Wireless Broadband System. Amphenol Cable and Interconnect Technologies Inc
- [STC ST04334CH](https://openairdocs.org/stc/ST04334CH): Installation and activation of an ARINC 791 SATCOM System. Amphenol Cable and Interconnect Technologies Inc
- [STC ST04287CH](https://openairdocs.org/stc/ST04287CH): The Certification for Transmitting Portable Electronic Device (TPED). Amphenol Cable and Interconnect Technologies Inc
- [STC ST11885IB](https://openairdocs.org/stc/ST11885IB): Structure Reinforcement Common Design for ARINC 791 Large Antenna Installation. Sabena Technics BGC
- [STC ST11872IB](https://openairdocs.org/stc/ST11872IB): Installation of Iridium Antenna. Aerotec Concept
- [STC ST04010NY](https://openairdocs.org/stc/ST04010NY): Installation of Reticulated Polyurethane Foam (RPF) For Center Fuel Tank Ignition Mitigation. AerSale Inc
- [STC ST04470NY](https://openairdocs.org/stc/ST04470NY): Removal of Ka-band antenna and systems components. Lufthansa Technik AG
- [STC ST00079IB](https://openairdocs.org/stc/ST00079IB): Integration of Halon-free Portable Fire Extinguisher HAFEX. UMLAUT ENGINEERING GMBH
- [STC ST00215IB](https://openairdocs.org/stc/ST00215IB): Installation of saf-Tglo ECO Photoluminescent Aisle Path Marking Systems. STG AEROSPACE GERMANY GmbH
- [STC ST01936WI](https://openairdocs.org/stc/ST01936WI): Installation of LED lights. AeroLED's Holdings LLC
- [STC ST04351NY](https://openairdocs.org/stc/ST04351NY): Activation of Ka-Band Antenna. Lufthansa Technik AG

All 217: https://openairdocs.org/aircraft/N166NN/stcs.md

## Related

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

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