# Service difficulty reports: N433AN A list on [N433AN](https://openairdocs.org/aircraft/N433AN.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR AALA202608252909](https://openairdocs.org/sdr/AALA202608252909.md): Battery · no test · Aug 23, 2026 · N433AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 11WL BATTERY FAILED SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 11WL BATTERY PER AMM 33-51-38 - [SDR AALA202608259542](https://openairdocs.org/sdr/AALA202608259542.md): Battery · no test · Aug 23, 2026 · N433AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 10WL BATTERY FAILED SYSTEM TEST - REPLACED EMERGENCY POWER SUPPLY UNIT 10WL BATTERY PER AMM 33-51-38 - [SDR AALA202608250328](https://openairdocs.org/sdr/AALA202608250328.md): Battery · no test · Aug 23, 2026 · N433AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 13WL BATTERY FAILED SYSTEM TEST - REPLACED EMERGENCY POWER SUPPLY UNIT 13WL BATTERY PER AMM 33-51-38 - [SDR AALA202607282921](https://openairdocs.org/sdr/AALA202607282921.md): Bottle · low pressure · Jul 28, 2026 · N433AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: R1 DOOR DAMPENER PRESSURE LOW. MAINTENANCE SERVICED R1 DOOR DAMPENER TO PROPER PRESSURE IN REF TO AMM 52-10-00. - [SDR AALA202606161940](https://openairdocs.org/sdr/AALA202606161940.md): Light · no test · Jun 14, 2026 · N433AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: SEAT ROW 36 ABC EMERGENCY LIGHT INOPERATIVE. MAINTENANCE REPLACED EMERGENCY LIGHT PER AMM 33-51-19. - [SDR AALA202506164403](https://openairdocs.org/sdr/AALA202506164403.md): Wire · broken · Jun 16, 2025 · N433AN · Airbus A321253NX · Light System Wiring > AIRCRAFT WAS NOT GROUNDED: SEAT 18C EMERGENCY LIGHT IS INOPERATIVE. MAINTENANCE FOUND BROKEN WIRE AND REPAIRED IT PER AMM 33-51-06. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED PER AMM 33-51-00. - [SDR AALA202506169214](https://openairdocs.org/sdr/AALA202506169214.md): Wire · broken · Jun 16, 2025 · N433AN · Airbus A321253NX · Light System Wiring > AIRCRAFT WAS NOT GROUNDED: SEAT 4C EMERGENCY LIGHT IS INOPERATIVE. MAINTENANCE FOUND BROKEN WIRE AND REPAIRED IT PER AMM 33-51-06. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED PER AMM 33-51-00. - [SDR AALA202505260760](https://openairdocs.org/sdr/AALA202505260760.md): Battery · no test · May 24, 2025 · N433AN · Airbus A321253NX · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: AFT LEFT HAND SIDE FLIGHT ATTENDANT SEAT FLASHLIGHT INOPERATIVE. REPLACED FLASHLIGHT BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK. - [SDR AALA202501088862](https://openairdocs.org/sdr/AALA202501088862.md): Proximity Sensor · inoperative · Jan 8, 2025 · N433AN · Airbus A321253NX · Door Warning System > AIRCRAFT WAS NOT GROUNDED: RIGHT HAND OVER WING EMERGENCY DOOR COVER PROX SENSOR INOPERATIVE. REMOVED AND REPLACED PROXIMITY SENSOR TO RIGHT HAND OVER WING EMERGENCY DOOR COVER. - [SDR AALA202405236366](https://openairdocs.org/sdr/AALA202405236366.md): Power Supply · inoperative · May 22, 2024 · N433AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: SEAT MOUNTED EXIT PATH LIGHTING AT ROWS 3,4,8-13, 16-20,24,25 INOP. PER TSM 33-51-00-810-822-A, FOUND FIN 17WL TO BE AT FAULT. REMOVED AND REPLACED EPSU (17WL) PER AMM 33-51-38. OPS CHECK GOOD. - [SDR AALA202401317848](https://openairdocs.org/sdr/AALA202401317848.md): Handle · stiff · Jan 31, 2024 · N433AN · Airbus A321253NX · Service Doors > AIRCRAFT WAS NOT GROUNDED: R1 DOOR SLIDE ARMED/DISARMED HANDLE APPEARS STIFF. MAINTENANCE LUBRICATED HANDLE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK. - [SDR AALA202401096844](https://openairdocs.org/sdr/AALA202401096844.md): Slide · defective · Jan 8, 2024 · N433AN · Airbus A321253NX · Escape Slide > AIRCRAFT WAS GROUNDED: DURING L4 SLIDE REPLACEMENT, FOUND ELECTRICAL CONNECTOR DEFECTIVE ON NEW SLIDE. REPLACED L4 DOOR SLIDE PER JOB CARD 26L00025011. - [SDR AALA202310260212](https://openairdocs.org/sdr/AALA202310260212.md): Hydraulic Line · ruptured · Oct 23, 2023 · N433AN · Airbus A321253NX · Hydraulic System, Main > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INBOUND TO DFW DUE TO A YELLOW HYDRAULIC SYSTEM RESERVOIR LOW LEVEL ECAM MESSAGE. FLIGHT CREW ACCOMPLISHED ECAM ACTIONS AND YELLOW HYDRAULIC SYSTEM QUANITY INDICATED ZERO. THE AIRCRAFT LANDED SAFELY AT DFW WITH - [SDR AALA202304139366](https://openairdocs.org/sdr/AALA202304139366.md): Light · inoperative · Apr 12, 2023 · N433AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT AT SEAT 25C INOPERATIVE. MAINTENANCE REWIRED EMERGENCY LIGHT AT SEAT 25C PER AMM 33-50-00 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK. - [SDR AALA202302033450](https://openairdocs.org/sdr/AALA202302033450.md): Battery · no test · Feb 2, 2023 · N433AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 10WL, BATTERY FAULTED DURING TEST. MAINTENANCE REPLACED BATTERY PER AMM 33-51-38. - [SDR AALA202302039328](https://openairdocs.org/sdr/AALA202302039328.md): Battery · no test · Feb 2, 2023 · N433AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 11WL, BATTERY FAULTED DURING TEST. MAINTENANCE REPLACED BATTERY PER AMM 33-51-38. - [SDR AALA202302034459](https://openairdocs.org/sdr/AALA202302034459.md): Battery · no test · Feb 2, 2023 · N433AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 13WL, BATTERY FAULTED DURING TEST. MAINTENANCE REPLACED BATTERY PER AMM 33-51-38. - [SDR AALA202112226536](https://openairdocs.org/sdr/AALA202112226536.md): Smoke Detector · false activation · Dec 21, 2021 · N433AN · Airbus A321253NX · Smoke Detection > AIRCRAFT WAS NOT GROUNDED: MID LAVATORY SMOKE ECAM. NO SMOKE, FUMES OR ODER PRESENT. INSPECTED MID LAVATORY SMOKE DETECTOR, NO FAULTS FOUND. OK FOR SERVICE ## 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 = 'N433AN' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N433AN/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.