# Service difficulty reports: N456AN A list on [N456AN](https://openairdocs.org/aircraft/N456AN.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR AALA202602113670](https://openairdocs.org/sdr/AALA202602113670.md): Bottle · low pressure · Feb 11, 2026 · N456AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: RIGHT AFT PASSENGER / CREW DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00. - [SDR AALA202512267930](https://openairdocs.org/sdr/AALA202512267930.md): Lanyard · unsecure · Dec 21, 2025 · N456AN · Airbus A321253NX · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: CORD HANGING OUT BOTTOM OF 4L DOOR. MAINTENANCE PERFORMED VISUAL INSPECTION OF 4L DOOR SLIDE AND RESECURED LANYARD PER AMM 25-62-44. - [SDR AALA202512156630](https://openairdocs.org/sdr/AALA202512156630.md): Bottle · low pressure · Dec 12, 2025 · N456AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: L1 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00. - [SDR AALA202512154850](https://openairdocs.org/sdr/AALA202512154850.md): Bottle · low pressure · Dec 12, 2025 · N456AN · Airbus A321253NX · Service Doors > AIRCRAFT WAS NOT GROUNDED: R4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00. - [SDR AALA202509171172](https://openairdocs.org/sdr/AALA202509171172.md): Lever · misinstalled · Sep 16, 2025 · N456AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT IN BASE MAINTENANCE: RIGHT HAND AFT PAX - CREW DOOR ARMING LEVER YELLOW PAD WITH RME SHOULD BE MOUNTED ON FORWARD SIDE OF LEVER. MAINTENANCE CORRECTLY INSTALLED SLIDE ARMING LEVER PER AMM 25-23-46. - [SDR AALA202509171709](https://openairdocs.org/sdr/AALA202509171709.md): Lever · misinstalled · Sep 16, 2025 · N456AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT IN BASE MAINTENANCE: LEFT HAND AFT PAX - CREW DOOR ARMING LEVER YELLOW PAD WITH RME SHOULD BE MOUNTED ON FORWARD SIDE OF LEVER. MAINTENANCE CORRECTLY INSTALLED SLIDE ARMING LEVER PER AMM 52-13-22. - [SDR AALA202509170700](https://openairdocs.org/sdr/AALA202509170700.md): Lever · misinstalled · Sep 16, 2025 · N456AN · Airbus A321253NX · Service Doors > AIRCRAFT IN BASE MAINTENANCE: R1 DOOR ARMING LEVER YELLOW PAD WITH RME SHOULD BE MOUNTED ON FORWARD SIDE OF LEVER. MAINTENANCE CORRECTLY INSTALLED SLIDE ARMING LEVER PER AMM 52-11-22. - [SDR AALA202509170709](https://openairdocs.org/sdr/AALA202509170709.md): Bottle · low pressure · Sep 16, 2025 · N456AN · Airbus A321253NX · Service Doors > AIRCRAFT WAS NOT GROUNDED: RIGHT HAND AFT PAX-CREW DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00. - [SDR AALA202508186087](https://openairdocs.org/sdr/AALA202508186087.md): Bottle · low pressure · Aug 18, 2025 · N456AN · Airbus A321253NX · Passenger/Crew Doors > 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 AALA202507292725](https://openairdocs.org/sdr/AALA202507292725.md): Cids · faulted · Jul 27, 2025 · N456AN · Airbus A321253NX · Detection System > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO DFW DUE TO THE FLIGHT CREW REPORTING SMOKE DETECTOR FAULTS FOR THE FORWARD AND AFT CARGO COMPARTMENTS. THE AIRCRAFT LANDED SAFELY AT DFW WITHOUT FURTHER INCIDENT. MAINTENANCE REPLAC - [SDR AALA202502259445](https://openairdocs.org/sdr/AALA202502259445.md): Power Supply · no test · Feb 25, 2025 · N456AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 10WL FAULT MESSEAGE DISPLAYED ON CIDS1 DURING EMERGENCY POWER SUPPLY UNIT SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 10WL AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38. - [SDR AALA202412204474](https://openairdocs.org/sdr/AALA202412204474.md): Shade · stuck · Dec 18, 2024 · N456AN · Airbus A321253NX · Passenger Compartment Equipment > AIRCRAFT WAS NOT GROUNDED: WINDOW SHADE AT EMERGENCY EXIT 3L IS STUCK CLOSED, WILL NOT OPEN. MAINTENANCE UNJAMMED THE WINDOW SHADE AT THE L3 DOOR. - [SDR AALA202412106684](https://openairdocs.org/sdr/AALA202412106684.md): Life Line · missing · Dec 9, 2024 · N456AN · Airbus A321253NX · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: LIFE LINE STRAP MISSING FOR LEFT WING EMERGENCY EXIT. INSTALLED NEW LIFE LINE STRAP FOR LEFT WING EMERGENCY EXIT AS REQUIRED. - [SDR AALA202406288330](https://openairdocs.org/sdr/AALA202406288330.md): Girt Bar · lack of lube · Jun 27, 2024 · N456AN · Airbus A321253NX · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: AT THE GATE AND L1 DOOR OPEN GIRT BAR LEFT SIDE IS NOT SPRINGING BACK INTO POSITION. LUBRICATED AND PERFORMED OPERATIONAL CHECK OF THE L1 DOOR EMERGENCY ESCAPE SLIDE PER AMM 52-10-00. - [SDR AALA202405228866](https://openairdocs.org/sdr/AALA202405228866.md): Bottle · low pressure · May 21, 2024 · N456AN · Airbus A321253NX · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED FOUND R4 DOOR PRESSURE LOW. SERVICED R4 DOOR. - [SDR AALA202305253597](https://openairdocs.org/sdr/AALA202305253597.md): Power Supply · malfunctioned · May 22, 2023 · N456AN · Airbus A321253NX · Entertainment System > AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS AND PASSENGERS REPORT A NOTICEABLE CHEMICAL LIKE SMELL AFT OF ROW 21. NO HEAT NOTED. REMOVED AND REPLACED SEAT 22 DEF IN SEAT POWER SUPPLY UNIT. - [SDR AALA202212029829](https://openairdocs.org/sdr/AALA202212029829.md): Smoke Detector · false activation · Dec 1, 2022 · N456AN · Airbus A321253NX · Smoke Detection > AIRCRAFT WAS NOT GROUNDED: UNCONFIRMED SMOKE WARNING FROM L2 LAVATORY IN FLIGHT. NO EVIDENCE OF FIRE. MAINTENANCE ACCOMPLISHED SMOKE DETECTOR TESTS PER AMM 26-17-00 WITH NO FAULTS NOTED. ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE n_number = 'N456AN' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N456AN/reports --- 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.