N540UW

Service difficulty reports · 178

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Query with SQL
duckdb -csv -c "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 = 'N540UW' AND registry_match = 'registration'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR AALA202607225631Girt Bar · lack of lubeAIRCRAFT WAS GROUNDED: 4R EMERGENCY SLIDE LEVER GRINDING WHEN ARMING. MAINTENANCE FOUND DEBRIS ON GRIT BAR AND GRIT BAR PLATE AT 4R. CLEANED AND LUBRICATED THROUGHLY THE GRIT BAR AND PLATE. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED PER AMM 52-13-22. EMJul 20, 2026 · N540UW · Airbus A321231 · Emergency EquipmentSDR AALA202607174925Light · no testAIRCRAFT IN BASE MAINTENANCE: LEFT-HAND SEAT ROW 4 EMERGENCY LIGHT INOPERATIVE. MAINTENANCE REPLACED EMERGENCY LIGHT PER AMM 33-51-19 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.Jul 14, 2026 · N540UW · Airbus A321231 · Emergency LightingSDR AALA202606168996Light · no testAIRCRAFT WAS NOT GROUNDED: SEAT 4C SEAT-MOUNTED AISLE EMERGENCY LIGHT INOPERATIVE. MAINTENANCE REPLACED THE EMERGENCY LIGHT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-19.Jun 13, 2026 · N540UW · Airbus A321231 · Emergency LightingSDR AALA202602020159Handle · looseAIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTS DOOR 2R ARM/DISARM HANDLE LOOSE. MAINTENANCE TIGHTENED 2R ARM/DISARM HANDLE ON EMERGENCY EXIT DOOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 52-21-11.Jan 30, 2026 · N540UW · Airbus A321231 · Emergency ExitsSDR AALA202512101632Lever · looseAIRCRAFT WAS NOT GROUNDED: R2 EMERGENCY EXIT DOOR ARMING LEVER LOOSE. MAINTENANCE RESECURED ARMING LEVER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 20-21-00.Dec 10, 2025 · N540UW · Airbus A321231 · Emergency ExitsSDR AALA202512108729Lever · looseAIRCRAFT WAS NOT GROUNDED: L2 EMERGENCY EXIT DOOR ARMING LEVER LOOSE. MAINTENANCE RESECURED ARMING LEVER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 20-21-00.Dec 10, 2025 · N540UW · Airbus A321231 · Emergency ExitsSDR AALA202508253317Power Supply · no testAIRCRAFT WAS GROUNDED: FAULT LIGHT ILLUMINATED FOR EMERGENCY POWER SUPPLY UNIT 15WL DURING SYSTEM TEST. REPLACED EMERGENCY POWER SUPPLY UNIT 15WL AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.Aug 22, 2025 · N540UW · Airbus A321231 · Emergency LightingSDR AALA202505298080Cable · faultedAIRCRAFT IN BASE MAINTENANCE: L1 DOOR ESCAPE SLIDE NEEDS CHANGED RETAINING CABLE FAULTY REPLACED SLIDE ASSEMBLY PER TASK CARD 26L00025010.May 29, 2025 · N540UW · Airbus A321231 · Escape SlideSDR AALA202505201289Wire · cutAIRCRAFT WAS NOT GROUNDED: 10C RED SEAT MOUNTED EMERGENCY EXIT PATH LIGHTING INOPERATIVE. UPON FURTHER TROUBLESHOOTING FOUND WIRES ARE CUT CLOSE TO SEAT MOUNT AND SEAT TRACK COVER. PERFORMED BUTT SPLICE PER ESPM 20-43-11 AND ACCOMPLISHED A SATISFACTORY OPERATIMay 19, 2025 · N540UW · Airbus A321231 · Light System WiringSDR AALA202411299994Flashlight · inoperativeAIRCRAFT WAS NOT GROUNDED: FLIGHT CREW REPORTED THAT THE FLASHLIGHT UNDER #2 JUMPSEAT BY 1L DOOR NOT LIGHTING UP. REPLACED FLASHLIGHT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 25-60-00.Nov 27, 2024 · N540UW · Airbus A321231 · Emergency EquipmentSDR AALA202410284934Oven · odorAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO CLT DUE TO A BURNING PLASTIC ODOR IN FORWARD GALLEY WHICH BEGAN DURING CLIMB AT APPROXIMATLEY 20,000 FT. ODOR DISSIPATED SIGNIFICANTLY WHEN OVENS WERE TURNED OFF BUT SLIGHT ODOR STIOct 27, 2024 · N540UW · Airbus A321231 · Buffet/GalleysSDR AALA202405172056Switch · defectiveAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO CLT. FLIGHT CREW REPORTED AFTER TAKEOFF CAPTAIN WAS ON COMMS AND AS SOON AS WE COMMUNICATED WE HAD A HOT MIKE. FOLLOWED CHECKLIST AND RE-SET VHF1 COMM CIRCUIT BREAKER. DID NOT WORK.WMay 16, 2024 · N540UW · Airbus A321231 · Communications SystemSDR AALA202310057403Floor Panel · delaminatedAIRCRAFT WAS NOT GROUNDED: AFT CARGO FLOOR PANEL 151PF FOUND TO BE DELAMINATED. REPAIRED FLOOR PANEL PER AARD 53-02-00-2 REPAIR 2.Oct 5, 2023 · N540UW · Airbus A320* · Fuselage Floor PanelSDR AALA202309051963Girt Bar · frayedAIRCRAFT WAS GROUNDED: R1 DOOR SLIDE GREEN GIRT BAR CORD FOUND FRAYED AND DANGLING OUTSIDE DOOR. MAINTENANCE REPLACED SLIDE / RAFT ASSEMBLY PER 26L00025010.Sep 1, 2023 · N540UW · Airbus A320* · Emergency EquipmentSDR AALA202302224012Proximity Sensor · defectiveAIRCRAFT WAS GROUNDED: R3 DOOR SHOWS ARMED ON ECAM WHEN DISARMED. **SUPPLEMENTAL REPORT FOR AALA202302204012: MAINTENANCE REPLACED 21WV2 AND 6WN2 (AALA202302223268) PROXIMITY SENSORS PER AMM 52-73-11 AND 52-71-13. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISFeb 16, 2023 · N540UW · Airbus A320* · Passenger/Crew DoorsSDR AALA202302223268Proximity Sensor · defectiveAIRCRAFT WAS GROUNDED: R3 DOOR SHOWS ARMED ON ECAM WHEN DISARMED. **ORIGINAL REPORT WAS AALA202302204012** MAINTENANCE REPLACED 21WV2 AND 6WN2 (AALA202302223268) PROXIMITY SENSORS PER AMM 52-73-11 AND 52-71-13. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHEDFeb 16, 2023 · N540UW · Airbus A320* · Passenger/Crew DoorsSDR AALA202302204012None · noneAIRCRAFT WAS GROUNDED: R3 DOOR SHOWS ARMED ON ECAM WHEN DISARMED. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)Feb 16, 2023 · N540UW · Airbus A320* · Passenger/Crew DoorsSDR AALA202207196543Battery · inoperativeAIRCRAFT WAS NOT GROUNDED: DURING EMERGENCY LIGHT TEST MAINTENANCE FOUND EMERGENCY POWER SUPPLY UNIT 15WL BATTERY FAULTING. REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.Jul 16, 2022 · N540UW · Airbus A321231 · Emergency LightingSDR AALA202207018480Pin · damagedAIRCRAFT WAS NOT GROUNDED: 2R DOOR EMERGENCY EXIT SIGN DAMAGED. REPLACED 2R DOOR SLIDE ARMING LEVER PIN PER AMM 52-21-00.Jun 30, 2022 · N540UW · Airbus A300* · Passenger/Crew DoorsSDR AALA202206202312Power Supply · inoperativeAIRCRAFT WAS GROUNDED: ESCAPE PATH LIGHT INOPERATIVE AT SEAT ROWS 14, 15, 17, 18, 21, 22, 28, 29, 32 AND 34. MAINTENANCE FOUND NO POWER AT SIDEWALL CONNECTOR 7260VC13 PIN B AND REPLACED EMERGENCY POWER SUPPLY UNIT 11WL PER AMM 33-51-38. A SATISFACTORY OPERATIOJun 17, 2022 · N540UW · Airbus A300* · Emergency LightingSDR AALA202206209996Power Supply · inoperativeAIRCRAFT WAS NOT GROUNDED: SEAT MOUNTED EMERGENCY LIGHT AT ROW 33 LEFT INOPERATIVE. **SUPPLEMENTAL REPORT: FOR AALA202206089996: MAINTENANCE FOUND NO POWER AT SIDEWALL CONNECTOR 7260VC13 PIN B AND REPLACED EMERGENCY POWER SUPPLY UNIT 11WL PER AMM 33-51-38. A SJun 6, 2022 · N540UW · Airbus A300* · Emergency LightingSDR AALA202206089996None · noneAIRCRAFT WAS NOT GROUNDED: SEAT MOUNTED EMERGENCY LIGHT AT ROW 33 LEFT INOPERATIVE. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN)Jun 6, 2022 · N540UW · Airbus A300* · Emergency LightingSDR AALA202206077600Light · inoperativeAIRCRAFT WAS NOT GROUNDED: FORWARD CLOSET AISLE MOUNTED EMERGENCY LIGHT INOPERATIVE. REPLACED EMERGENCY LIGHT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-19.Jun 6, 2022 · N540UW · Airbus A300* · Emergency LightingSDR AALA202206072909Connector · not seatedAIRCRAFT WAS NOT GROUNDED: SEAT ROW 28 CEILING EMERGENCY LIGHT INOPERATIVE. RE-SEATED CONNECTIONS AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-11.Jun 6, 2022 · N540UW · Airbus A300* · Emergency LightingSDR AALA202206074604Cover · detachedAIRCRAFT WAS NOT GROUNDED: CAPTAINS ESCAPE ROPE COVER WONT STAY IN PLACE. RE ATTACHED CAPTAINS ESCAPE ROPE COVER AS REQUIRED.Jun 4, 2022 · N540UW · Airbus A300* · Emergency EquipmentSDR AALA202205195307Bellows · looseAIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS REPORTED MUSTY/DIRTY SOCK SMELL THROUGHOUT CABIN WITH APU BLEED ON AND THEN WITH APU BLEED OFF DURING ENGINE START, CLIMB OUT AND DESCENT. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **SUPPLEMENTAL REPORT FOMay 7, 2022 · N540UW · Airbus A300* · APU Oil SystemSDR AALA202205105307Apu · odorFLIGHT ATTENDANTS REPORTED MUSTY/DIRTY SOCK SMELL THROUGHOUT CABIN WITH APU BLEED ON AND THEN WITH APU BLEED OFF DURING ENGINE START ,CLIMB OUT AND DESCENT. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPENMay 7, 2022 · N540UW · Airbus A300* · APU Oil SystemSDR AALA202205048264Air Filter · contaminatedAIRCRAFT WAS GROUNDED: STRONG DIRTY SOCKS SMELL DESCENDING THROUGH 8K. APU OFF/INOPERATIVE. SMELL DISSIPATED SOMEWHAT BELOW 4K. MAINTENANCE REPLACED THE CIRCULATION HEPA FILTERS PER AMM 21-21-41.May 2, 2022 · N540UW · Airbus A300* · Air Distribution SystemSDR AALA202205044006Cooling Fan · leakingAIRCRAFT WAS GROUNDED: DIRTY SOCK SMELL COMING THROUGH VENTS AFTER START, BRIEFLY AT CRUISE AND DURING APU BLEED USE AFTER SHUTDOWN. MAINTENANCE FOUND THE APU OIL COOLING FAN LEAKING OIL AND REPLACED IT PER TASK CARD 4921Y001-001.May 1, 2022 · N540UW · Airbus A300* · APU Oil SystemSDR AALA202202223821Proximity Switch · defectiveAIRCRAFT WAS GROUNDED: SLIDE ARMED LIGHT DISAGREES WITH DOOR ARM STATUS. REPLACED L1 DOOR SLIDE ARM LEVER PROXIMITY SWITCH 4NW1 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 52-73-11.Feb 19, 2022 · N540UW · Airbus A300* · Escape SlideSDR AALA202202159067Relay · inoperativeAIRCRAFT WAS NOT GROUNDED: DOOR 1L SHOWS ARMED WHEN SLIDE IS SELECTED DISARMED. REMOVED AND REPLACED RELAY 12WN PER FIM TASK 52-22-00 OPERATIONS CHECK GOOD PER AMM 52-73-00.Feb 14, 2022 · N540UW · Airbus A300* · Passenger/Crew DoorsSDR AALA202112164853Door · blockedAIRCRAFT WAS NOT GROUNDED: AFT LEFT LAVATORY DOOR IS BLOCKED CLOSED BY THE TRASH CAN. ADJUSTED DOOR AS REQUIRED.Dec 15, 2021 · N540UW · Airbus A300* · Fixed Inner DoorsSDR AALA202112131899Door · jammedAIRCRAFT WAS NOT GROUNDED: MID LAVATORY DOOR JAMMED HALFWAY OPEN. REINSTALLED DOOR PER AMM 25-45-19.Dec 12, 2021 · N540UW · Airbus A300* · Fixed Inner DoorsSDR AALA202110191130Floor Panel · delaminatedAIRCRAFT IN BASE MAINTENANCE: PASSENGER CABIN FLOOR PANEL 251AG DELAMINATED. REPLACED FLOOR PANEL PER SRM 53-02-00-300-011 AND IRM 9701.Oct 14, 2021 · N540UW · Airbus A321231 · Fuselage Floor PanelSDR AALA202110185424Floor Panel · delaminatedAIRCRAFT IN BASE MAINTENANCE: AFT PASSENGER CABIN FLOOR PANEL 251CF DELAMINATED. REPLACED FLOOR PANEL PER SRM 53-02-00-300-011 AND IRM 9701.Oct 14, 2021 · N540UW · Airbus A321231 · Fuselage Floor PanelSDR AALA202110125171Floor Panel · corrodedAIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD GALLEY AREA FLOOR PANEL 222EF DELAMINATED. REPLACED FLOOR PANEL PEROct 9, 2021 · N540UW · Airbus A321231 · Fuselage Floor PanelSDR AALA202110115258Nut · looseAIRCRAFT IN BASE MAINTENANCE: LOOSE AFT ATTACH FITTING LUG PYLON TO WING UPPER ATTACHMENT NUT ON RIGHT PYLON. INSTALLED CORRECTLY NEW TAB WASHER AND NUT ATTACH FITTING LUG PYLON TO WING UPPER ATTACHMENT ON RIGHT PYLON PER AMM 54-51-17-400-002-A.Oct 8, 2021 · N540UW · Airbus A321231 · Nacelle/Pylon, Attach FittingsSDR AALA202110068797Floor Panel · corrodedAIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT CABIN FLOOR PANEL 261LG. REPLACED FLOOR PANEL PER TASK CARD 26C26053014.Oct 5, 2021 · N540UW · Airbus A321231 · Fuselage Floor PanelSDR AALA202110044688Seat Track · corrodedAIRCRAFT IN BASE MAINTENANCE: CORROSION ON SEAT TRACK BETWEEN FR 12 AND FR 24 AT -Y765. REPLACED SEAT TRACK PER SRM 51-72-11.Oct 4, 2021 · N540UW · Airbus A321231 · Fuselage, Seat/Cargo Attach FittingsSDR AALA202110059856Floor Panel · corrodedAIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD GALLEY AREA FLOOR PANEL 222FF. REPLACED FLOOR PANEL PER JOB CARD 26C22053014.Oct 2, 2021 · N540UW · Airbus A321231 · Fuselage Floor PanelSDR AALA202110057276Floor Panel · corrodedAIRCRAFT IN BASE MAINTENANCE: CORROSION ON FORWARD GALLEY AREA FLOOR PANEL 221FF. REPLACED FLOOR PANEL PER JOB CARD 26C22053014.Oct 2, 2021 · N540UW · Airbus A321231 · Fuselage Floor PanelSDR AALA202110048869Hinge Fitting · excess playAIRCRAFT IN BASE MAINTENANCE: LEFT HAND STABILIZER # 1 ELEVATOR HINGE FITTING HAS EXCESSIVE PLAY. REPLACED HINGE FITTING PER 55-16-42-400-001-A.Oct 2, 2021 · N540UW · Airbus A321231 · Horizontal Stabilizer StructureSDR AALA202110040992Hinge Fitting · excess playAIRCRAFT IN BASE MAINTENANCE: LEFT HAND STABILIZER # 1 ELEVATOR HINGE FITTING HAS EXCESSIVE PLAY. REPLACED HINGE FITTING PER 55-16-42-400-001-A.Oct 2, 2021 · N540UW · Airbus A321231 · Horizontal Stabilizer StructureSDR AALA202110047400Hinge Fitting · excess playAIRCRAFT IN BASE MAINTENANCE: RIGHT HAND STABILIZER # 6 ELEVATOR HINGE FITTING HAS EXCESSIVE PLAY. REPLACED HINGE FITTING PER 55-16-42-400-001-A.Oct 2, 2021 · N540UW · Airbus A321231 · Horizontal Stabilizer StructureSDR AALA202110013037Floor Panel · delaminatedAIRCRAFT IN BASE MAINTENANCE: PASSENGER CABIN FLOOR PANEL 252CG DELAMINATED. REPLACED FLOOR PANEL PER SRM 53-02-00-300-011 AND IRM 9701.Sep 30, 2021 · N540UW · Airbus A321231 · Fuselage Floor PanelSDR AALA202110041566Hinge Arm · excess playAIRCRAFT IN BASE MAINTENANCE: RIGHT HAND ELEVATOR #3 HINGE ARM HAS EXCESSIVE PLAY ON THE RIGHT HAND HORIZONTAL STABILIZER. REPLACED HINGE ARM PER AMM 55-16-42-400-001-A.Sep 29, 2021 · N540UW · Airbus A321231 · Horizontal Stabilizer StructureSDR AALA202109301891Hinge Arm · excess playAIRCRAFT IN BASE MAINTENANCE: EXCESSIVE PLAY HINGE ARM 4 ELEVATOR ON RIGHT HORIZONTAL STABILIZER (1 EA). REMOVED AND REPLACED ELEVATOR HINGE ARM NUMBER 4 ON RIGHT HORIZONTAL STABILIZER (1EA) PER AMM 55-16-42-400-001-A.Sep 29, 2021 · N540UW · Airbus A321231 · Empennage StructureSDR AALA202109303123Hinge Arm · excess playAIRCRAFT IN BASE MAINTENANCE: EXCESSIVE PLAY HINGE ARM 5 ELEVATOR ON RIGHT HORIZONTAL STABILIZER (1 EA). REMOVED AND REPLACED ELEVATOR HINGE ARM NUMBER 5 ON RIGHT HORIZONTAL STABILIZER (1EA) PER AMM 55-16-42-400-001-A.Sep 29, 2021 · N540UW · Airbus A321231 · Empennage StructureSDR AALA202109300339Hinge Arm · excess playAIRCRAFT IN BASE MAINTENANCE: EXCESSIVE PLAY HINGE ARM 2 ELEVATOR ON RIGHT HORIZONTAL STABILIZER (1 EA). REMOVED AND REPLACED ELEVATOR HINGE ARM NUMBER 2 ON RIGHT HORIZONTAL STABILIZER (1EA) PER AMM 55-16-42-400-001-A.Sep 29, 2021 · N540UW · Airbus A321231 · Horizontal Stabilizer StructureSDR AALA202109302065Hinge Arm · excess playAIRCRAFT IN BASE MAINTENANCE: EXCESSIVE PLAY ELEVATOR HINGE ARM 6 ON LEFT HORIZONTAL STABILIZER (1 EA). REMOVED AND REPLACED ELEVATOR HINGE ARM 6 ON LEFT HORIZONTAL STABILIZER (1EA) PER AMM : 55-16-42-400-001-A.Sep 29, 2021 · N540UW · Airbus A321231 · Horizontal Stabilizer Structure
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