# Service difficulty reports: N473AN A list on [N473AN](https://openairdocs.org/aircraft/N473AN.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR AALA202609295619](https://openairdocs.org/sdr/AALA202609295619.md): Bottle · low pressure · Sep 28, 2026 · N473AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: 4L DOOR ACCUMULATOR LOW PRESSURE. MAINTENANCE SERVICE 4L DOOR ACCUMULATOR TO OPERATIONAL RANGE PER AMM 52-10-00. - [SDR AALA202609294776](https://openairdocs.org/sdr/AALA202609294776.md): Bottle · low pressure · Sep 28, 2026 · N473AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: L1 DOOR ACCUMULATOR LOW PRESSURE. MAINTENANCE SERVICED L1 DOOR ACCUMULATOR TO OPERATIONAL RANGE PER AMM 52-10-00. - [SDR AALA202608262553](https://openairdocs.org/sdr/AALA202608262553.md): Bottle · low pressure · Aug 24, 2026 · N473AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: DURING PERIODIC SERVICE INSPECTION AFT SERVICE DOOR DAMPER CYLINDER WAS FOUND WITH LOW PRESSURE. MAINTENANCE ACCOMPLISHED AFT SERVICE DOOR DAMPER CYLINDER SERVICING PER TASK 26L80052001. - [SDR AALA202608268115](https://openairdocs.org/sdr/AALA202608268115.md): Bottle · low pressure · Aug 24, 2026 · N473AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: DURING PERIODIC SERVICE INSPECTION, AFT PAX DOOR DAMPER CYLINDER WAS FOUND WITH LOW PRESSURE. MAINTENANCE ACCOMPLISHED AFT PAX DOOR DAMPER CYLINDER SERVICING PER TASK CARD 26L80052001. - [SDR AALA202608172975](https://openairdocs.org/sdr/AALA202608172975.md): Bottle · low pressure · Aug 14, 2026 · N473AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: L4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW - SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00. - [SDR AALA202607094738](https://openairdocs.org/sdr/AALA202607094738.md): Bottle · low pressure · Jul 6, 2026 · N473AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS GROUNDED: L4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB CARD 26L80052001. - [SDR AALA202607098793](https://openairdocs.org/sdr/AALA202607098793.md): Light · no test · Jul 6, 2026 · N473AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS GROUNDED: OVERHEAD CEILING EMERGENCY LIGHT ABOVE MID LAVATORY LT DOES NOT ILLUMINATE. MAINTENANCE REPLACED LIGHT ASSEMBLY PER AMM 33-51-11. - [SDR AALA202604309241](https://openairdocs.org/sdr/AALA202604309241.md): Bottle · low pressure · Apr 29, 2026 · N473AN · Airbus A321253NX · Emergency Exits > AIRCRAFT WAS NOT GROUNDED: L3 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00. - [SDR AALA202604307133](https://openairdocs.org/sdr/AALA202604307133.md): Bottle · low pressure · Apr 29, 2026 · N473AN · Airbus A321253NX · Emergency Exits > AIRCRAFT WAS NOT GROUNDED: R3 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00. - [SDR AALA202604219988](https://openairdocs.org/sdr/AALA202604219988.md): Bottle · low pressure · Apr 19, 2026 · N473AN · Airbus A321253NX · Escape Slide > AIRCRAFT WAS NOT GROUNDED: L4 DOOR SLIDE BOTTLE PRESSURE BELOW ALLOWABLE LIMITS. MAINTENANCE SERVICED L4 DOOR SLIDE BOTTLE AS REQUIRED AND DOOR BOTTLE IS SHOWING PROPER PRESSURE. - [SDR AALA202604150133](https://openairdocs.org/sdr/AALA202604150133.md): Bottle · low pressure · Apr 11, 2026 · N473AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: L4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB CARD 26L80052001. - [SDR AALA202603262877](https://openairdocs.org/sdr/AALA202603262877.md): Battery · no test · Mar 25, 2026 · N473AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: BATTERY FAULT FOR EMERGENCY POWER SUPPLY UNIT 13WL DISPLAYED DURING SYSTEM TEST. REPLACED BATTERY PER AMM 33-51-38 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM WITH NO FAULTS NOTED. AMM 33-51-38. - [SDR AALA202602168843](https://openairdocs.org/sdr/AALA202602168843.md): Bottle · low pressure · Feb 13, 2026 · N473AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: LEFT AFT PASSENGER / CREW DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00. - [SDR AALA202511052693](https://openairdocs.org/sdr/AALA202511052693.md): Strap · unsecure · Nov 4, 2025 · N473AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: FLIGHT CREW REPORTED STRAP HANGING OUT OF 4L DOOR. MAINTENANCE RESECURED 4L SLIDE STRAP. - [SDR AALA202510163866](https://openairdocs.org/sdr/AALA202510163866.md): Bottle · low pressure · Oct 13, 2025 · N473AN · Airbus A321253NX · Emergency Exits > AIRCRAFT WAS NOT GROUNDED: L2 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00. - [SDR AALA202509252104](https://openairdocs.org/sdr/AALA202509252104.md): Bottle · low pressure · Sep 24, 2025 · N473AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: L4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00. - [SDR AALA202508123358](https://openairdocs.org/sdr/AALA202508123358.md): Life Line · missing · Aug 11, 2025 · N473AN · Airbus A321253NX · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIFE LINE MISSING IN MID CABIN. MAINTENANCE INSTALLED EMERGENCY LIFE LINE IN CABIN AS REQUIRED. - [SDR AALA202506209627](https://openairdocs.org/sdr/AALA202506209627.md): Bottle · low pressure · Jun 19, 2025 · N473AN · 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 562-10-00. - [SDR AALA202506204685](https://openairdocs.org/sdr/AALA202506204685.md): Bottle · low pressure · Jun 19, 2025 · N473AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: LEFT AFT PASSENGER / CREW DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 562-10-00. - [SDR AALA202505231001](https://openairdocs.org/sdr/AALA202505231001.md): Filter · clogged · May 22, 2025 · N473AN · Airbus A321253NX · Smoke Detection > AIRCRAFT WAS NOT GROUNDED: LEFT AFT LAVATORY SMOKE DETECTOR PRESENTED 2 FALSE WARNINGS OF 1-2 SECOND DURATION DURING CLIMB AND CRUISE. MAINTENANCE FOUND SMOKE DETECTOR FILTER CLOGGED, CLEANED FILTER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 26- - [SDR AALA202504281897](https://openairdocs.org/sdr/AALA202504281897.md): Bottle · low pressure · Apr 26, 2025 · N473AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: LEFT AFT DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00. ## 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 = 'N473AN' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N473AN/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.