# Service difficulty reports: N904AA A list on [N904AA](https://openairdocs.org/aircraft/N904AA.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR AALA202610198922](https://openairdocs.org/sdr/AALA202610198922.md): Elec Connector · loose · Oct 15, 2026 · N904AA · Airbus A321231 · Light System Wiring > AIRCRAFT WAS NOT GROUNDED: SEAT MOUNTED EMERGENCY LIGHT AT ROW 35 AND 36 INOP. MAINTENANCE SECURED LOOSE CONNECTOR PER AMM 33-51-19. ROW 35 AND 36 EMERGENCY LIGHT OPS CHECKED NORMAL. - [SDR AALA202609283139](https://openairdocs.org/sdr/AALA202609283139.md): Guard · damaged · Sep 27, 2026 · N904AA · Airbus A321231 · Landing Gear Brake System > AIRCRAFT WAS GROUNDED: AFTER LANDING, WHILE TAXIING, NOTICEABLE REPEATED VIBRATION AND THUMPING WAS FELT THROUGH THE AIRCRAFT EACH TIME THE BRAKES WERE APPLIED WHICH RESEMBLIED TAXIING OVER POTHOLES - MAINTENANCE FOUND THE LEFT MAIN LANDING GEAR POSITION 1 BRA - [SDR AALA202609281563](https://openairdocs.org/sdr/AALA202609281563.md): Brake Assy · damaged · Sep 27, 2026 · N904AA · Airbus A321231 · Landing Gear Brake System > AIRCRAFT WAS GROUNDED: AFTER LANDING, WHILE TAXIING, NOTICEABLE REPEATED VIBRATION AND THUMPING WAS FELT THROUGH THE AIRCRAFT EACH TIME THE BRAKES WERE APPLIED WHICH RESEMBLIED TAXIING OVER POTHOLES - MAINTENANCE FOUND THE LEFT MAIN LANDING GEAR POSITION 1 BRA - [SDR AALA202609284266](https://openairdocs.org/sdr/AALA202609284266.md): Wheel · damaged · Sep 27, 2026 · N904AA · Airbus A321231 · Wheel/Ski/Float > AIRCRAFT WAS GROUNDED: AFTER LANDING, WHILE TAXIING, NOTICEABLE REPEATED VIBRATION AND THUMPING WAS FELT THROUGH THE AIRCRAFT EACH TIME THE BRAKES WERE APPLIED WHICH RESEMBLIED TAXIING OVER POTHOLES - MAINTENANCE FOUND THE LEFT MAIN LANDING GEAR POSITION 1 BRA - [SDR AALA202609280342](https://openairdocs.org/sdr/AALA202609280342.md): Impeller · damaged · Sep 27, 2026 · N904AA · Airbus A321231 · Landing Gear Brake System > AIRCRAFT WAS GROUNDED: AFTER LANDING, WHILE TAXIING, NOTICEABLE REPEATED VIBRATION AND THUMPING WAS FELT THROUGH THE AIRCRAFT EACH TIME THE BRAKES WERE APPLIED WHICH RESEMBLIED TAXIING OVER POTHOLES - MAINTENANCE FOUND THE LEFT MAIN LANDING GEAR POSITION 1 BRA - [SDR AALA202609020346](https://openairdocs.org/sdr/AALA202609020346.md): Flashlight · no test · Aug 30, 2026 · N904AA · Airbus A321231 · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: 4L FLIGHT ATTENDANT SEAT FLASHLIGHT WILL NOT TEST - MAINTENANCE RESEATED THE FLASHLIGHT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 25-65-00 WITH NO ISSUES NOTED - [SDR AALA202607274396](https://openairdocs.org/sdr/AALA202607274396.md): Smoke Detector · false indication · Jul 22, 2026 · N904AA · Airbus A321231 · Smoke Detection > AIRCRAFT WAS NOT GROUNDED: RED ECAM SMOKE - LAVATORY SMOKE APPEARED FOR APPROXIMATELY 5 SECONDS IN DESCENT PASSING FL280. FLIGHT ATTENDANT REPORTED LAVATORY WAS OCCUPIED AT THE TIME, BUT NO INDICATION OF SMOKE IN THE LAVATORY. THE ECAM WENT AWAY ON ITS OWN. MA - [SDR AALA202607222756](https://openairdocs.org/sdr/AALA202607222756.md): Bottle · low pressure · Jul 19, 2026 · N904AA · Airbus A321231 · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: R4 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER JOB CARD 26L80052001. - [SDR AALA202606287933](https://openairdocs.org/sdr/AALA202606287933.md): Vacuum Sys · defective · Jun 23, 2026 · N904AA · Airbus A321231 · Vacuum Distribution System > AIRCRAFT WAS GROUNDED: AFTER LANDING, NUMBER 3 FLIGHT ATTENDANT ADVISED THAT DURING THE DESCENT BELOW 10000 FEET HE SMELLED BURNING RUBBER SMELL WHILE SEATED IN THE MID FLIGHT ATTENDANT JUMPSEAT. NUMBER 2 AND 4 FLIGHT ATTENDANTS REPORTED THAT UPON ARRIVAL AT T - [SDR AALA202606082338](https://openairdocs.org/sdr/AALA202606082338.md): Module · leaking · Jun 7, 2026 · N904AA · Airbus A321231 · APU Oil System > AIRCRAFT WAS GROUNDED: INBOUND CABIN CREW REPORTED A DIRTY SOCK / ROTTEN EGG SMELL ON DEPARTURE AND ARRIVAL BELOW 10K FEET. MAINTENANCE FOUND THE APU OIL LUBE MODULE LEAKING AND REPLACED IT PER AMM 49-91-45. A DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYST - [SDR AAL2025F00002](https://openairdocs.org/sdr/AAL2025F00002.md): Servo Valve · faulted · Apr 27, 2025 · N904AA · Airbus A321231 · Landing Gear Brake System > AIRCRAFT WAS GROUNDED: WHILE TAXIING OUT FELT A SURGE IN THE BRAKES FOLLOWED BY A NORMAL BRAKES SYSTEM FAULT ECAM, MAINTENANCE REPLACED SERVOVALVE 16GG AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 32-42-48. - [SDR AALA202502249197](https://openairdocs.org/sdr/AALA202502249197.md): Bottle · low pressure · Feb 23, 2025 · N904AA · Airbus A321231 · Emergency Exits > AIRCRAFT WAS NOT GROUNDED: R3 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00. - [SDR AALA202412039958](https://openairdocs.org/sdr/AALA202412039958.md): Hose · pinched · Dec 2, 2024 · N904AA · Airbus A321231 · Escape Slide > AIRCRAFT WAS GROUNDED: DURING A SCHEDULED REPLACEMENT OF THE AFT LEFT PASSENGER / CREW DOOR ESCAPE SLIDE, MAINTENANCE FOUND THE REPLACEMENT SLIDE BRAIDED AIR HOSE TO THE CYLINDER WAS PINCHED. MAINTENANCE RE-INSTALLED THE ORIGINAL SLIDE AND ROUTED THE DEFECTIVE - [SDR AALA202412026416](https://openairdocs.org/sdr/AALA202412026416.md): Power Supply · no test · Nov 29, 2024 · N904AA · Airbus A321231 · Escape Slide > AIRCRAFT WAS NOT GROUNDED: DURING REPLACEMENT OF AFT LEFT SLIDE, ACCOMPLISHED EPSU TEST AND FOUND FAULT BAT/EPSU (13WL) AFT L. REMOVED AND REPLACED EPSU. - [SDR AALA202409199900](https://openairdocs.org/sdr/AALA202409199900.md): Connector · unsecure · Sep 17, 2024 · N904AA · Airbus A321231 · Light System Wiring > AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHTS AT SEATS 35 AND 36ABC INOP. RE- SECURED EMERGENCY LIGHT PLUG ON SEAT 35 AND 36ABC IAW AMM ESPM 20-00-00. GROUND OPS CK GOOD AT THIS S TIME. - [SDR AALA202404014878](https://openairdocs.org/sdr/AALA202404014878.md): Latch · lack of lube · Mar 30, 2024 · N904AA · Airbus A321231 · Fixed Inner Doors > AIRCRAFT WAS NOT GROUNDED: LATCH ON COCKPIT DOOR STICKING, DIFFICULT TO OPERATE. CLEANED STICKING LATCH ASSEMBLY. APPLIED LUBRICANT. - [SDR AALA202311165530](https://openairdocs.org/sdr/AALA202311165530.md): Battery · inoperative · Nov 15, 2023 · N904AA · Airbus A320* · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: FOUND EPSU BATTERY INOP 14WL. REMOVED AND REPLACED EPSU BATTERY 14WL. - [SDR AALA202305305270](https://openairdocs.org/sdr/AALA202305305270.md): Sliding Window · scratched · May 29, 2023 · N904AA · Airbus A320* · Flight Compartment Windows > AIRCRAFT IN BASE MAINTENANCE: FLIGHT DECK RIGHT HAND SLIDING WINDOW SCRATCHED. REPLACED SLIDING WINDOW PER AMM 56-12-11. - [SDR AALA202305304313](https://openairdocs.org/sdr/AALA202305304313.md): Sliding Window · scratched · May 27, 2023 · N904AA · Airbus A320* · Flight Compartment Windows > AIRCRAFT IN BASE MAINTENANCE: FLIGHT DECK LEFT HAND SLIDING WINDOW SCRATCHED. REPLACED SLIDING WINDOW PER AMM 56-12-11. - [SDR AALA202306013015](https://openairdocs.org/sdr/AALA202306013015.md): Shear Plate · cracked · May 11, 2023 · N904AA · Airbus A320* · Fuselage Miscellaneous Structure > AIRCRAFT IN BASE MAINTENANCE: CRACKED AFT CABIN FLOOR SHEAR PLATE BETWEEN FR 69 AND FR 70 AT S23L. REPLACED SHEAR PLATE PER SRM 51-42-11. - [SDR AALA202306013224](https://openairdocs.org/sdr/AALA202306013224.md): Shear Plate · cracked · May 11, 2023 · N904AA · Airbus A320* · Fuselage Miscellaneous Structure > AIRCRAFT IN BASE MAINTENANCE: CRACKED AFT CABIN FLOOR SHEAR PLATE BETWEEN FR 69 AND FR 70 AT S23R. REPLACED SHEAR PLATE PER SRM 51-42-11. - [SDR AALA202303144721](https://openairdocs.org/sdr/AALA202303144721.md): Windshield · delaminated · Mar 12, 2023 · N904AA · Airbus A320* · Flight Compartment Windows > AIRCRAFT WAS NOT GROUNDED: FLIGHT DECK L1 WINDSHIELD DELAMINATED. REPLACED WINDSHIELD PER TASK CARD 26L21056001. - [SDR AALA202301264879](https://openairdocs.org/sdr/AALA202301264879.md): Flashlight · inoperative · Jan 25, 2023 · N904AA · Airbus A321231 · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: 3L FLIGHT ATENDANT SEAT FLASHLIGHT INOPERATIVE. MAINTENANCE REPLACED FLASHLIGHT PER AMM 25-65-00 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK. - [SDR AALA202211237660](https://openairdocs.org/sdr/AALA202211237660.md): Cids · no test · Nov 22, 2022 · N904AA · Airbus A321231 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: CIDS 1 TEST, MESSAGE FOR EMERGENCY POWER SUPPLY UNIT 13WL BATTERY. RESET CIDS 1 PER AMM 23-73-00. RERAN EMERGENCY POWER SUPPLY UNIT TEST. FAULT CLEARED. - [SDR AALA202210052607](https://openairdocs.org/sdr/AALA202210052607.md): Battery · none · Oct 4, 2022 · N904AA · Airbus A300* · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 15WL FAULT MESSAGE DISPLAYED DURING TESTING. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38. - [SDR AALA202210050979](https://openairdocs.org/sdr/AALA202210050979.md): Battery · none · Oct 4, 2022 · N904AA · Airbus A300* · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 11WL FAULT MESSAGE DISPLAYED DURING TESTING. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38. - [SDR AALA202206175346](https://openairdocs.org/sdr/AALA202206175346.md): None · broken · Jun 16, 2022 · N904AA · Airbus A300* · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: SEAT 24C EVACUATION LIGHT STRIP UNDER SEAT IS BROKEN. REPAIRED LIGHT STRIP PER AMM 35-50-00. - [SDR AALA202201116355](https://openairdocs.org/sdr/AALA202201116355.md): Door · out of adjust · Jan 10, 2022 · N904AA · Airbus A300* · Lavatories > AIRCRAFT WAS NOT GROUNDED: RIGHT AFT LAVATORY DOOR IS JAMMED. ADJUSTED DOOR PER AMM 25-43-00. - [SDR AALA202201046392](https://openairdocs.org/sdr/AALA202201046392.md): Power Supply · inoperative · Jan 3, 2022 · N904AA · Airbus A321231 · Emergency Lighting > AIRCRAFT IN BASE MAINTENANCE: LIGHTING AT SEAT 1 AB INOPERATIVE. REPLACED EMERGENCY POWER SUPPLY UNIT 10WL PER AMM 33-51-38. - [SDR AALA202010089007](https://openairdocs.org/sdr/AALA202010089007.md): Life Raft · damaged · Oct 7, 2020 · N904AA · Airbus A321231 · Life Raft > AIRCRAFT WAS NOT GROUNDED. FOUND OVERHEAD BIN SLIDE RAFT UNLACED. REMOVED AND REPLACED AT OVERHEAD BIN RAFT, IAW AMM 25-66-41. - [SDR AALA202007089010](https://openairdocs.org/sdr/AALA202007089010.md): Slide Raft · unserviceable · Jul 7, 2020 · N904AA · Airbus A321231 · Escape Slide > AIRCRAFT IN BASE MAINTENANCE - L1 DOOR, SLIDE SAFETY PIN UNABLE TO BE INSTALLED. REMOVED AND REPLACED L1 DOOR SLIDE/RAFT PER MAINTENANCE CHECK MANUAL CARD 8509. - [SDR AALA201812059018](https://openairdocs.org/sdr/AALA201812059018.md): Damper · low pressure · Dec 3, 2018 · N904AA · Airbus A321231 · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: FOUND R4 DOOR DAMPER (CYLINDER) OF THE PASSENGER/CREW DOOR LOW PRESSURE. MAINTENANCE SERVICED DAMPER (CYLINDER) TO PROPER PRESSURE PER AMM 52-10-00 AND PERFORMED SATISFACTORY OPERATIONAL CHECK. - [SDR AALA2018112769032](https://openairdocs.org/sdr/AALA2018112769032.md): Battery Pack · failed · Nov 22, 2018 · N904AA · Airbus A321231 · Emergency Lighting > CIDS TEST FAILED FOR THE EPSU 11WL. REPLACED THE BATTERY IN THE POWER SUPPLY IAW AMM 25-23-41. OPS CHECKED OK. - [SDR AALA20181123001](https://openairdocs.org/sdr/AALA20181123001.md): Power Supply · no test · Nov 21, 2018 · N904AA · Airbus A321231 · Emergency Lighting > CIDS TEST FAILED ON EPSU 11WL. REPLACED BATTERY ON EPSU IAW AMM 25-23-41. - [SDR AALA201712139018](https://openairdocs.org/sdr/AALA201712139018.md): Battery · faulted · Dec 11, 2017 · N904AA · Airbus A321231 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED. EMERGENCY POWER SUPPLY (11WL) FAULT PRESENT ON EMERGENCY LIGHTING SYSTEM TEST. REPLACED BATTERY PER AMM 33-51-38. ## 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 = 'N904AA' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N904AA/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.