# Service difficulty reports: N427AN A list on [N427AN](https://openairdocs.org/aircraft/N427AN.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR AALA202610235548](https://openairdocs.org/sdr/AALA202610235548.md): Flashlight · not seated · Oct 22, 2026 · N427AN · Airbus A321253NX · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: BOTH FORWARD FLIGHT ATTENDANT FLASHLIGHTS NOT TESTING - MAINTENANCE RESEATED BOTH FLASHLIGHTS AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK WITH NO ISSUES NOTED - [SDR AALA202609300456](https://openairdocs.org/sdr/AALA202609300456.md): Strut · out of adjust · Sep 23, 2026 · N427AN · Airbus A321253NX · Trailing Edge Flap Control System > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO THE FLIGHT CREW REPORTING THAT THE FLAPS LOCKED WHILE ON APPROACH WITH THE FLAPS AT POSITION 2 WHEN IT HAPPENED - THE FLIGHT CREW REPORTED THAT THEY WERE AT 190 SO THEY DID NOT OVERSPEED AND LANDED SAFELY - [SDR AALA202609304476](https://openairdocs.org/sdr/AALA202609304476.md): Strut · out of adjust · Sep 23, 2026 · N427AN · Airbus A321253NX · Trailing Edge Flap Control System > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO THE FLIGHT CREW REPORTING THAT THE FLAPS LOCKED WHILE ON APPROACH WITH THE FLAPS AT POSITION 2 WHEN IT HAPPENED - THE FLIGHT CREW REPORTED THAT THEY WERE AT 190 SO THEY DID NOT OVERSPEED AND LANDED SAFELY - [SDR AALA202608118294](https://openairdocs.org/sdr/AALA202608118294.md): Flap · locked · Aug 9, 2026 · N427AN · Airbus A321253NX · Trailing Edge Flap Control System > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INTO LAS DUE TO THE FLIGHT CREW REPORTING THAT ON APPROACH AN ECAM FOR FLIGHT CONTROL FLAPS LOCKED BETWEEN 2 AND 3 - THE AIRCRAFT LANDED SAFELY AT LAS WITHOUT FURTHER INCIDENT - MAINTENANCE PERFORMED TSM 27-51-0 - [SDR AALA202607166653](https://openairdocs.org/sdr/AALA202607166653.md): Skin · corroded · Jul 15, 2026 · N427AN · Airbus A321253NX · Auxiliary Power Unit (APU) Doors > AIRCRAFT IN BASE MAINTENANCE: CORROSION ON APU DOOR 316AR SKIN AT THE FORWARD INBOARD AREA. MAINTENANCE REPAIRED THE APU DOOR SKIN PER SRM 52-41-22. - [SDR AALA202607177576](https://openairdocs.org/sdr/AALA202607177576.md): Light · no test · Jun 20, 2026 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT IN BASE MAINTENANCE: EXTERIOR RIGHT FORWARD OVERWING EXIT LIGHT IS INOPERATIVE. REPLACED LIGHT PER AMM 33-51-15 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK. - [SDR AALA202607178374](https://openairdocs.org/sdr/AALA202607178374.md): Light · no test · Jun 20, 2026 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT IN BASE MAINTENANCE: EXTERIOR RIGHT AFT OVERWING EXIT LIGHT IS INOPERATIVE. REPLACED LIGHT PER AMM 33-51-15 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK. - [SDR AALA202607171416](https://openairdocs.org/sdr/AALA202607171416.md): Light · no test · Jun 20, 2026 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT IN BASE MAINTENANCE: EXTERIOR LEFT FORWARD OVERWING EXIT LIGHT IS INOPERATIVE. REPLACED LIGHT PER AMM 33-51-15 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK. - [SDR AALA202607175398](https://openairdocs.org/sdr/AALA202607175398.md): Light · no test · Jun 20, 2026 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT IN BASE MAINTENANCE: EXTERIOR LEFT AFT OVERWING EXIT LIGHT IS INOPERATIVE. REPLACED LIGHT PER AMM 33-51-15 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK. - [SDR AALA202607014982](https://openairdocs.org/sdr/AALA202607014982.md): Hinge Fitting · excess play · Jun 19, 2026 · N427AN · Airbus A321253NX · Elevator Structure > AIRCRAFT IN BASE MAINTENANCE: LEFT HAND HORIZONTAL STABILIZER ELEVATOR #4 HINGE ARM END FITTING HAS EXCESSIVE PLAY. REPLACED HINGE ARM END FITTING PER AMM 55-16-42. - [SDR AALA202607019658](https://openairdocs.org/sdr/AALA202607019658.md): Hinge Fitting · excess play · Jun 19, 2026 · N427AN · Airbus A321253NX · Elevator Structure > AIRCRAFT IN BASE MAINTENANCE: LEFT HAND HORIZONTAL STABILIZER ELEVATOR #6 HINGE ARM END FITTING HAS EXCESSIVE PLAY. REPLACED HINGE ARM END FITTING PER AMM 55-16-42. - [SDR AALA202607012111](https://openairdocs.org/sdr/AALA202607012111.md): Hinge Fitting · excess play · Jun 19, 2026 · N427AN · Airbus A321253NX · Elevator Structure > AIRCRAFT IN BASE MAINTENANCE: LEFT HAND HORIZONTAL STABILIZER ELEVATOR #5 HINGE ARM END FITTING HAS EXCESSIVE PLAY. REPLACED HINGE ARM END FITTING PER AMM 55-16-42. - [SDR AALA202607011257](https://openairdocs.org/sdr/AALA202607011257.md): Hinge Fitting · excess play · Jun 19, 2026 · N427AN · Airbus A321253NX · Elevator Structure > AIRCRAFT IN BASE MAINTENANCE: LEFT HAND HORIZONTAL STABILIZER ELEVATOR #3 HINGE ARM END FITTING HAS EXCESSIVE PLAY. REPLACED HINGE ARM END FITTING PER AMM 55-16-42. - [SDR AALA202607012215](https://openairdocs.org/sdr/AALA202607012215.md): Hinge Fitting · excess play · Jun 19, 2026 · N427AN · Airbus A321253NX · Elevator Structure > AIRCRAFT IN BASE MAINTENANCE: LEFT HAND HORIZONTAL STABILIZER ELEVATOR #2 HINGE ARM END FITTING HAS EXCESSIVE PLAY. REPLACED HINGE ARM END FITTING PER AMM 55-16-42. - [SDR AALA202607017581](https://openairdocs.org/sdr/AALA202607017581.md): Hinge Fitting · excess play · Jun 19, 2026 · N427AN · Airbus A321253NX · Elevator Structure > AIRCRAFT IN BASE MAINTENANCE: LEFT HAND HORIZONTAL STABILIZER ELEVATOR #1 HINGE ARM END FITTING HAS EXCESSIVE PLAY. REPLACED HINGE ARM END FITTING PER AMM 55-16-42. - [SDR AALA202607141745](https://openairdocs.org/sdr/AALA202607141745.md): Reservoir · defective · Jun 17, 2026 · N427AN · Airbus A321253NX · Escape Slide > AIRCRAFT IN BASE MAINTENANCE: DURING DISARMING PROCESS ON RIGHT AFT DOOR EMERGENCY EVACUATION SLIDE ASSEMBLY INFLATION BOTTLE DISARM PIN WILL NOT ENGAGE. MAINTENANCE SUCCESSFULLY DEPLOYED THE SLIDE RAFT AND REPLACED IT PER AMM 25-62-44. - [SDR AALA202606093664](https://openairdocs.org/sdr/AALA202606093664.md): Battery · no test · Jun 7, 2026 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: WHILE PERFORMING J/C 26L00005005, SYSTEM TEST THE EMERGENCY LIGHT SHOW MESSAGE NS SW 190RH/ DIR1(101RH). MAINTENANCE REPLACED FORWARD GALLEY EMERGENCY POWER SUPPLY UNIT (AALA202606085182) PER AMM 33-51-38-000-001-A AND FWD GALLEY EME - [SDR AALA202606095182](https://openairdocs.org/sdr/AALA202606095182.md): Power Supply · no test · Jun 7, 2026 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: WHILE PERFORMING J/C 26L00005005, SYSTEM TEST THE EMERGENCY LIGHT SHOW MESSAGE NS SW 190RH/ DIR1(101RH). MAINTENANCE REPLACED FORWARD GALLEY EMERGENCY POWER SUPPLY UNIT (AALA202606085182) PER AMM 33-51-38-000-001-A AND FWD GALLEY EME - [SDR AALA202605119524](https://openairdocs.org/sdr/AALA202605119524.md): Battery · no test · May 10, 2026 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: BATTERY FAULT MESSAGE FOR EMERGENCY POWER SUPPLY UNIT 12WL DISPLAYED DURING SYSTEM TEST. MAINTENANCE REPLACED THE BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM PER AMM 33-51-38 WITH NO FAU - [SDR AALA202605117846](https://openairdocs.org/sdr/AALA202605117846.md): Battery · no test · May 10, 2026 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: BATTERY FAULT MESSAGE FOR EMERGENCY POWER SUPPLY UNIT 11WL DISPLAYED DURING SYSTEM TEST. MAINTENANCE REPLACED THE BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM PER AMM 33-51-38 WITH NO FAU - [SDR AALA202602020007](https://openairdocs.org/sdr/AALA202602020007.md): Sliding Window · crazed · Jan 29, 2026 · N427AN · Airbus A321253NX · Flight Compartment Windows > AIRCRAFT WAS GROUNDED: FLIGHT DECK RIGHT HAND SLIDING WINDOW CRAZED RESULTING IN A REDUCTION OF VISIBILITY. MAINTENANCE REPLACED THE SLIDING WINDOW PER TASK CARD 26L21156001. - [SDR AALA202509050327](https://openairdocs.org/sdr/AALA202509050327.md): Battery · no test · Sep 3, 2025 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: BATTERY FAULT DISPLAYED FOR EMERGENCY POWER SUPPLY UNIT 13WL DURING SYSTEM TEST. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL TEST PER AMM 33-51-38. - [SDR AALA202504214723](https://openairdocs.org/sdr/AALA202504214723.md): Computer · faulted · Apr 10, 2025 · N427AN · Airbus A321253NX · Aircraft Fuel Distribution System > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO ORD DUE TO THE FLIGHT CREW REPORTING A FUEL TRANSFER FAULT ECAM MESSAGE DURING CLIMBOUT. THE AIRCRAFT LANDED SAFELY AT ORD AND TAXIED TO THE GATE UNDER ITS OWN POWER. MAINTENANCE R - [SDR AALA202504114723](https://openairdocs.org/sdr/AALA202504114723.md): Transfer Sys · faulted · Apr 10, 2025 · N427AN · Airbus A321253NX · Aircraft Fuel Distribution System > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO ORD DUE TO THE FLIGHT CREW REPORTING A FUEL TRANSFER FAULT ECAM MESSAGE DURING CLIMBOUT. THE AIRCRAFT LANDED SAFELY AT ORD AND TAXIED TO THE GATE UNDER ITS OWN POWER. **SUPPLEMENTAL - [SDR AALA202503104050](https://openairdocs.org/sdr/AALA202503104050.md): Battery · no test · Mar 7, 2025 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 10WL FAULT MESSAGE DISPLAYED DURING SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 10WL (AALA202503089541) AND BATTERY (AALA202503104050) PER AMM 33-51-38. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLIS - [SDR AALA202503109541](https://openairdocs.org/sdr/AALA202503109541.md): Power Supply · no test · Mar 7, 2025 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 10WL FAULT MESSAGE DISPLAYED DURING SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 10WL (AALA202503089541) AND BATTERY (AALA202503104050) PER AMM 33-51-38. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLIS - [SDR AALA202503108444](https://openairdocs.org/sdr/AALA202503108444.md): Slide · out of position · Mar 7, 2025 · N427AN · Airbus A321253NX · Escape Slide > AIRCRAFT WAS NOT GROUNDED: DURING WALK AROUND MAINTENANCE FOUND L3 DOOR SLIDE STICKING OUT AND NOT FLUSH WITH THE FUSELAGE. REPLACED L3 EMERGENCY EXIT SLIDE PER TASK CARD 26L00025012. - [SDR AALA202503031424](https://openairdocs.org/sdr/AALA202503031424.md): Brake · dragging · Mar 1, 2025 · N427AN · Airbus A321253NX · Landing Gear Brake System > AIRCRAFT WAS GROUNDED: BRAKES LOCKED UP ON MAIN GEAR WITH NORMAL BRAKING PRESSURE. MAINTENANCE FOUND THE #3 BRAKE DRAGGING AND REPLACED IT PER AMM 32-42-17. - [SDR AALA202501068460](https://openairdocs.org/sdr/AALA202501068460.md): Wire · broken · Jan 1, 2025 · N427AN · Airbus A321253NX · Light System Wiring > AIRCRAFT WAS NOT GROUNDED: EMERGENCY EXIT LIGHT ON SEAT 4C INOPERATIVE. MAINTENANCE REPAIRED BROKEN WIRE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER ESPM 20-43-11 AND AMM 33-51-00. - [SDR AALA202411016648](https://openairdocs.org/sdr/AALA202411016648.md): Bottle · low pressure · Oct 31, 2024 · N427AN · Airbus A321253NX · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: LEFT HAND AFT DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00. - [SDR AALA202411013846](https://openairdocs.org/sdr/AALA202411013846.md): Bottle · low pressure · Oct 31, 2024 · N427AN · Airbus A321253NX · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: RIGHT HAND AFT DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW. SERVICED DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00. - [SDR AALA202410177741](https://openairdocs.org/sdr/AALA202410177741.md): Connector · not seated · Oct 16, 2024 · N427AN · Airbus A321253NX · Light System Wiring > AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT LED ESCAPE PATH LIGHTING INOPERATIVE IN MULTIPLE LOCATIONS. MAINTENANCE RESEATED CONNECTOR AT SEAT ROW 15ABC AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-00. - [SDR AALA202404113550](https://openairdocs.org/sdr/AALA202404113550.md): Flashlight · inoperative · Apr 8, 2024 · N427AN · Airbus A321253NX · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: AFT LEFT HAND INBOARD FLIGHT ATTENDANTS FLASHLIGHT FAILED TEST. REPLACED FLASHLIGHT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK. - [SDR AALA202404107541](https://openairdocs.org/sdr/AALA202404107541.md): Lanyard · misrouted · Apr 7, 2024 · N427AN · Airbus A321253NX · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: PER JOB CARD 26C00025002 L1 DOOR SURVIVAL KIT LANYARD ROUTING INCORRECT. RE-ROUTED L1 DOOR SURVIVAL KIT LANYARD PER AMM 25-62-44 - [SDR AALA202404085901](https://openairdocs.org/sdr/AALA202404085901.md): Lanyard · misrouted · Apr 7, 2024 · N427AN · Airbus A321253NX · Escape Slide > AIRCRAFT WAS NOT GROUNDED: R1 DOOR SLIDE RAFT SURVIVAL KIT LANYARDS ROUTING INCORRECT. RE-ROUTED R1 DOOR SURVIVAL KIT LANYARD. - [SDR AALA202306272318](https://openairdocs.org/sdr/AALA202306272318.md): Wire Harness · out of position · Jun 26, 2023 · N427AN · Airbus A321253NX · Equipment/Furnishings Wiring > AIRCRAFT WAS NOT GROUNDED: DOOR 4R SLIDE BUSTLE CORD EXPOSED. MAINTENANCE ADJUSTED SLIDE PACK ELECTRICAL CONNECTOR WIRE HARNESS PER AMM 25-62-44. AND ACCOMPISHED A SATISFACTORY OPERATIONAL CHECK. - [SDR AALA202306274864](https://openairdocs.org/sdr/AALA202306274864.md): Wire Harness · out of position · Jun 26, 2023 · N427AN · Airbus A321253NX · Equipment/Furnishings Wiring > AIRCRAFT WAS NOT GROUNDED: DOOR 4L SLIDE BUSTLE CORD EXPOSED. MAINTENANCE ADJUSTED SLIDE PACK ELECTRICAL CONNECTOR WIRE HARNESS PER AMM 25-62-44. AND ACCOMPISHED A SATISFACTORY OPERATIONAL CHECK. - [SDR AALA202305302272](https://openairdocs.org/sdr/AALA202305302272.md): Wire · broken · May 26, 2023 · N427AN · Airbus A321253NX · Light System Wiring > AIRCRAFT WAS NOT GROUNDED: SEAT MOUNTED EMERGENCY EXIT PATH LIGHT AT 15L INOPERATIVE. REPAIRED BROKEN WIRE PER ESPM20-43-00. - [SDR AALA202304033497](https://openairdocs.org/sdr/AALA202304033497.md): Transfer Valve · fault message · Mar 17, 2023 · N427AN · Airbus A321253NX · Aircraft Fuel Distribution System > AIRCRAFT WAS NOT GROUNDED: ECAM; FUEL ACT TRANSFER FAULT WITH 120LBS IN EACH ACT DURING CLIMB. RAN QRH PROCEDURE AND ECAM FAULT WENT AWAY. **SUPPLEMENTAL REPORT FOR AALA202303213497: MAINTENANCE TROUBLESHOT PER TSM 28-46-00-810-873-A. DETERMINED TO BE SPURIOUS - [SDR AALA202303213497](https://openairdocs.org/sdr/AALA202303213497.md): Unknown · unknown · Mar 17, 2023 · N427AN · Airbus A321253NX · Aircraft Fuel Distribution System > AIRCRAFT WAS NOT GROUNDED: ECAM; FUEL ACT TRANSFER FAULT WITH 120LBS IN EACH ACT DURING CLIMB. RAN QRH PROCEDURE AND ECAM FAULT WENT AWAY. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN) - [SDR AALA202302156548](https://openairdocs.org/sdr/AALA202302156548.md): Window · delaminated · Feb 13, 2023 · N427AN · Airbus A321253NX · Flight Compartment Windows > AIRCRAFT WAS GROUNDED: FLIGHT DECK R3 WINDOW DELAMINATED. MAINTENANCE REPLACED THE WINDOW PER AMM 56-11-12. - [SDR AALA202302013739](https://openairdocs.org/sdr/AALA202302013739.md): Battery · inoperative · Feb 1, 2023 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: DURING EMERGENCY POWER SUPPLY SYSTEM TEST, EMERGENCY POWER SUPPLY UNIT 10WL BATTERY FAULT MESSAGE DISPLAYED. MAINTENANCE REPLACED BATTERY FOR EMERGENCY POWER SUPPLY UNIT 10WL PER AMM 33-51-38 AND ACCOMPLISHED A SATISFACTORY OPERATION - [SDR AALA202302017074](https://openairdocs.org/sdr/AALA202302017074.md): Battery · inoperative · Feb 1, 2023 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: DURING EMERGENCY POWER SUPPLY SYSTEM TEST, EMERGENCY POWER SUPPLY UNIT 13WL BATTERY FAULT MESSAGE DISPLAYED. MAINTENANCE REPLACED BATTERY FOR EMERGENCY POWER SUPPLY UNIT 13WL PER AMM 33-51-38 AND ACCOMPLISHED A SATISFACTORY OPERATION - [SDR AALA202210139830](https://openairdocs.org/sdr/AALA202210139830.md): Wire · broken · Oct 12, 2022 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT WIRE BROKEN AT SEAT 29CBA. MAINTENANCE REPAIRED BROKEN WIRE PER ESPM 20-43-11 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-00-710-007-A. - [SDR AALA202209022143](https://openairdocs.org/sdr/AALA202209022143.md): Slide · deployed · Aug 30, 2022 · N427AN · Airbus A321253NX · Escape Slide > AIRCRAFT WAS GROUNDED: AFTER PARKING AT GATE PARTIAL SLIDE DEPLOYMENT FORWARD CABIN DOOR 1L. MAINTENANCE REPLACED SLIDE PER TASK CARD 26L00025011. - [SDR AALA202207070772](https://openairdocs.org/sdr/AALA202207070772.md): Screw · loose · Jul 6, 2022 · N427AN · Airbus A321253NX · Passenger/Crew Doors > AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR WAS DIFFICULT TO OPEN AND CLOSE DUE TO A LOOSE SCREW WHERE THE INSIDE HANDLE. SCREW IS IN A CUP ON COCKPIT CENTER COUNSEL. INSTALLED AND RETORQUED SCREW ON FORWARD LAVATORY DOOR HANDLE PER AMM 20-21-11. - [SDR AALA202109274848](https://openairdocs.org/sdr/AALA202109274848.md): Battery · failed · Sep 25, 2021 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT BATTERY FAILED AT 10WL. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY AT 10WL REF MM 33-51-38. - [SDR AALA202109029185](https://openairdocs.org/sdr/AALA202109029185.md): Battery · inoperative · Sep 2, 2021 · N427AN · Airbus A321253NX · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 13WL INOPERATIVE. REPLACED BATTERY PER AMM 33-51-38. - [SDR AALA202103029007](https://openairdocs.org/sdr/AALA202103029007.md): Bottle · low pressure · Mar 1, 2021 · N427AN · Airbus A321253N · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: L1 DOOR ASSIST BOTTLE REQUIRES SERVICE. SERVICED L1 DOOR PER AMM 52-10-00-614-001-A. ## 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 = 'N427AN' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N427AN/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.