N542UW

Service difficulty reports · 150

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 = 'N542UW' 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 AALA202608184733Battery · faultedAIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY 14WL BATTERY FAULT. MAINTENANCE REPLACED EPSU BATTERY PER AMM 33-51-38.Aug 16, 2026 · N542UW · Airbus A321231 · Emergency LightingSDR AALA202607241796Battery · no testAIRCRAFT WAS NOT GROUNDED: AFTER GALLEY AIRCRAFT RIGHT FLASHLIGHT NOT BLINKING. MAINTENANCE REPLACED BATTERY FOR PORTABLE FLASHLIGHT UNDER AFT RT F/A JUMPSEAT CKS GOOD IAW AMM 25-66-00.Jul 22, 2026 · N542UW · Airbus A321231 · Emergency EquipmentSDR AALA202606165711Mechanism · lack of lubeAIRCRAFT WAS GROUNDED: L1 DOOR WILL NOT STAY OPEN AND THE CABIN DOOR HOLD-OPEN LATCH RELEASE LEVER INOPERATIVE. MAINTENANCE LUBRICATED DOOR MECHANISM, REMOVED DEBRIS FROM PUSHBUTTON SWITCH ASSEMBLY. DOOR LOCKS AND UNLOCKS IN OPEN POSITION NORMALLY. PER AMM 52-Jun 14, 2026 · N542UW · Airbus A321231 · Passenger/Crew DoorsSDR AALA202605137838Proximity Sensor · faultedAIRCRAFT WAS NOT GROUNDED: L2 DOOR INTERMITTENTLY DISPLAYS ECAM MESSAGE OPEN DURING FLIGHT. NO PRESSURIZATION CHANGES. MAINTENANCE FOUND PROXIMITY SENSOR 19WV1 FAULTY AND REPLACED IT PER AMM 52-71-13. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NMay 12, 2026 · N542UW · Airbus A321231 · Door Warning SystemSDR AALA202605110045Proximity Sensor · faultedAIRCRAFT WAS NOT GROUNDED: DOOR 2L FORWARD EMERGENCY EXIT ERRONEOUSLY INDICATING OPEN IN FLIGHT SPORADICALLY. FLIGHT CREW RAN QRH AND NO INCREASE IN CABIN PRESSURE NOTED. MAINTENANCE FOUND PROXIMITY SENSOR 19WV1 FAULTY AND REPLACED IT PER AMM 52-71-13. A SATMay 10, 2026 · N542UW · Airbus A321231 · Door Warning SystemSDR AALA202605018269Hydraulic Line · leakingAIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INTO DFW DUE TO THE FLIGHT CREW REPORTING A YELLOW HYDRAULIC SYSTEM LOW PRESSURE INDICATION FOLLOWED BY A YELLOW HYDRAULIC SYSTEM LOW QUANITY ECAM WARNING 5 MINUTES LATER WHILE IN FLIGHT. THE AIRCRAFT LANDED SAFApr 29, 2026 · N542UW · Airbus A321231 · Hydraulic System, MainSDR AALA202512157816Lever · looseAIRCRAFT WAS NOT GROUNDED: DOOR 3R ARMING LEVER LOOSE. MAINTENANCE SECURED ARMING LEVER PER AMM 52-22-22.Dec 12, 2025 · N542UW · Airbus A321231 · Emergency ExitsSDR AALA202510020199Bracket · crackedAIRCRAFT WAS GROUNDED: REF MIC 1561675 R-2 DOOR INFLATION RESERVOIR BRACKET WAS CRACKED. MAINTEANCE REPLACED R-2 INFLATION RESERVOIR BRACKET PER THE AMM 25-62-00 REF E.A 368558.Sep 30, 2025 · N542UW · Airbus A321231 · Escape SlideSDR AALA202509033604Battery · no testAIRCRAFT WAS NOT GROUNDED: EMERGENCY POWER SUPPLY UNIT 11WL BATTERY FAILED SYSTEM TEST, REPLACED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-38.Sep 2, 2025 · N542UW · Airbus A321231 · Emergency LightingSDR AALA202502229820Handle · looseAIRCRAFT WAS NOT GROUNDED: R2 EMERGENCY EXIT DOOR ARMED HANDLE REQUIRES TIGHTENING. RESECURED R2 EMERGENCY EXIT DOOR ARMED HANDLE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 52-20-00.Feb 20, 2025 · N542UW · Airbus A321231 · Emergency ExitsSDR AALA202410181445Spar · wornAIRCRAFT IN BASE MAINENANCE: #2 ENGINE PYLON SPAR WORN AT CNA SPRING SEAL CONTACT POINT AND PYLON RIB 5. REPAIRED SPAR PER SRM 54-51-12-283-003 AND EA 358940.Oct 17, 2024 · N542UW · Airbus A321231 · Nacelle/Pylon, Frame/Spar/RibSDR AALA202409161613Battery · faultyAIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT OPERATIONAL TEST FAILED DURING REPLACEMENT OF L4 DOOR SLIDE. FAULT CALL OUT 15WL EMERGENCY POWER SUPPLY UNIT. REMOVED AND REPLACED 15WL EMERGENCY POWER SUPPLY UNIT BATTERY PER AMM 33-51-38.Sep 15, 2024 · N542UW · Airbus A321231 · Emergency LightingSDR AALA202408199611Battery · no testAIRCRAFT WAS NOT GROUNDED: DURING PS CHECK EPSU SYSTEM TEST BATTERY/EPSU (12WL) EXTERNAL RIGHT FAULT. REPLACED BATTERYAug 18, 2024 · N542UW · Airbus A321231 · Emergency LightingSDR AALA202408190618Power Supply · faultyAIRCRAFT WAS NOT GROUNDED: DURING PS CHECK EPSU SYSTEM TEST BATTERY/EPSU (15WL) MIDDLE LEFT FAULT. REPLACED EPSU 15WL.Aug 18, 2024 · N542UW · Airbus A321231 · Emergency LightingSDR AALA202408163736Diaphragm · failedAIRCRAFT WAS NOT GROUNDED: R2 EMERGENCY DOOR ASSIST BOTTLE AT ZERO. REPLACED R2 EMERGENCY EXIT DOOR ASSIST BOTTLE DIAPHRAGM.Aug 15, 2024 · N542UW · Airbus A321231 · Emergency EquipmentSDR AALA202406205737Battery · no testAIRCRAFT WAS GROUNDED: DURING EMERGENCY POWER SUPPLY UNIT SYSTEM TEST, FAULT MESSAGE EMERGENCY POWER SUPPLY UNIT (14WL) MID RIGHT. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT BATTERY AT 14WL PER AMM 33-51-38.Jun 19, 2024 · N542UW · Airbus A321231 · Emergency LightingSDR AALA202406204558Battery · inoperativeAIRCRAFT WAS GROUNDED: DURING EMERGENCY POWER SUPPLY UNIT SYSTEM TEST FAULT MESSAGE EMERGENCY POWER SUPPLY UNIT (10WL) FORWARD LEFT. REPLACED 10WL EMERGENCY POWER SUPPLY UNIT BATTERY.Jun 19, 2024 · N542UW · Airbus A321231 · Emergency LightingSDR AALA202406171861Selector Valve · defectiveAIRCRAFT WAS GROUNDED: THE FLIGHT CREW REPORTED THAT AFTER GEAR RETRACTION A RED NOSE WHEEL UNLOCK WARNING LIGHT REMAINED ILLUMINATED. AIR NOISE AND VIBRATION CONFIRMED NOSE GEAR DOORS STILL OPEN. AS PER ECAM GEAR WAS RECYCLED AND RETRACTED NORMALLY. MAINTENANJun 14, 2024 · N542UW · Airbus A321231 · Landing Gear Retraction/Extension SystemSDR AALA202406130650Bypass Valve · faultedAIRCRAFT WAS GROUNDED: AFTER TAKEOFF AND LANDING GEAR RETRACTION, NOSE GEAR RED UNLOCK LIGHT REMAINED ILLUMINATED. WE OBSERVE A LANDING GEAR DOORS NOT CLOSED ECAM SHORTLY AFTER. HAVING SEEN THE HISTORY ON THIS ISSUE, WE PAUSED BEFORE STARTING ECAM ACTIONS AND Jun 12, 2024 · N542UW · Airbus A321231 · Landing Gear Position and WarningSDR AALA202406106410Selector Valve · defectiveAIRCRAFT WAS GROUNDED: LANDING GEAR NOT UPLOCKED ECAM CAUTION AFTER GEAR RETRACTION. CONDITION SELF-CORRECTED AFTER 1 SECOND. MAINTENANCE REPLACED THE FORWARD LANDING GEAR DOOR SELECTOR VALVE PER AMM 32-31-12. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.Jun 7, 2024 · N542UW · Airbus A321231 · Landing Gear Retraction/Extension SystemSDR AALA202406074104Uplock · defectiveAIRCRAFT WAS GROUNDED: AFTER GEAR RETRACTION, RED NOSE WHEEL UNLOCK WARNING LIGHT REMAINED. AS PER ECAM GEAR WAS RECYCLED AND AFTER ABOUT A 30 SECOND DELAY THE WARNING LIGHT EXTINGUISHED. MAINTENANCE REPLACED THE NOSE LANDING GEAR UPLOCK ASSEMBLY AND ACCOMPLISJun 5, 2024 · N542UW · Airbus A321231 · Landing Gear Position and WarningSDR AALA202405158670Proximity Sensor · contaminatedAIRCRAFT WAS GROUNDED: AFTER TAKEOFF LANDING GEAR NOT UPLOCKED ECAM. NOSE GEAR LIGHT WAS RED. FLIGHT CREW COMPLETED ECAM ACTIONS. RED LIGHT EXTINGUISHED. MAINTENANCE ACCOMPLISHED TSM 32-31-00-810-865-A, 32-31-00-810-846-A AND FOUND PROXIMITY SENSORS 12GA (AALAMay 13, 2024 · N542UW · Airbus A321231 · Landing Gear Position and WarningSDR AALA202405151305Proximity Sensor · contaminatedAIRCRAFT WAS GROUNDED: AFTER TAKEOFF LANDING GEAR NOT UPLOCKED ECAM. NOSE GEAR LIGHT WAS RED. FLIGHT CREW COMPLETED ECAM ACTIONS. RED LIGHT EXTINGUISHED. MAINTENANCE ACCOMPLISHED TSM 32-31-00-810-865-A, 32-31-00-810-846-A AND FOUND PROXIMITY SENSORS 12GA (AALAMay 13, 2024 · N542UW · Airbus A321231 · Landing Gear Position and WarningSDR AALA202403253977Door Latch · inoperativeAIRCRAFT WAS NOT GROUNDED: COCKPIT DOOR LOCKING MECHANISM NOT OPERATING ALL PLUNGERS TO OPEN THE DOOR. REMOVED AND REPLACED COCKPIT DOOR LATCH MECHANISM.Mar 24, 2024 · N542UW · Airbus A321231 · Fixed Inner DoorsSDR AALA202401236512Relay · defectiveAIRCRAFT WAS GROUNDED: INBOUND CREW REPORTED NOSE LANDING GEAR AND LEFT MAIN LANDING GEAR GREEN SAFE INDICATION WAS FLASHING ON APPROACH. MAINTENANCE REPLACED THE #1 LAND GEAR CONTROL INTERFACE UNIT (LGCIU) PER AMM 32-31-71. (AALA202401233242) AND REPLACED RELJan 22, 2024 · N542UW · Airbus A321231 · Landing Gear Position and WarningSDR AALA202401233242Lgciu · warning messageAIRCRAFT WAS GROUNDED: INBOUND CREW REPORTED NOSE LANDING GEAR AND LEFT MAIN LANDING GEAR GREEN SAFE INDICATION WAS FLASHING ON APPROACH. MAINTENANCE REPLACED THE #1 LAND GEAR CONTROL INTERFACE UNIT (LGCIU) PER AMM 32-31-71. (AALA202401233242) AND REPLACED RELJan 22, 2024 · N542UW · Airbus A321231 · Landing Gear Position and WarningSDR AALA202309151601Screw · looseAIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR DIFFICULT TO OPEN/CLOSE DURING FLIGHT. TOP DOOR STRIKER STUCK. FOUND LOOSE SCREW IN DOOR FRAME LOOSE. TIGHTENED SCREW.Sep 14, 2023 · N542UW · Airbus A320* · Fixed Inner DoorsSDR AALA202307145286Hinge · stickingAIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR IS SQUEAKY AND DIFFICULT TO OPEN/CLOSE. LUBRICATED UPPER HINGE MECHANISM PER AMM 52-51-11.Jul 12, 2023 · N542UW · Airbus A320* · Fuselage, Door HingeSDR AALA202306201685Power Supply · no testAIRCRAFT IN BASE MAINTENANCE: DURING THE EMERGENCY LIGHT TEST THE EMERGENCY POWER SUPPLY UNIT (11WL) EXIT LEFT FLAGGED. REPLACED EMERGENCY POWER SUPPLY UNIT 11WL PER AMM 33-51-38-400-001-A.Jun 20, 2023 · N542UW · Airbus A320* · Emergency LightingSDR AALA202212127159Flashlight · inoperativeAIRCRAFT WAS NOT GROUNDED: FLASHLIGHT AT 1L INOPERATIVE. MAINTENANCE REPLACED FLASHLIGHT AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 25-65-00.Dec 11, 2022 · N542UW · Airbus A321231 · Emergency EquipmentSDR AALA202206229235Strap · detachedAIRCRAFT WAS NOT GROUNDED: RI DOOR SLIDE STRAP IN FIRST CLASS GALLEY HANGING DOWN PREVENTING DOOR CLOSURE. RE-ATTACHED R1 DOOR SLIDE STRAP AND VERIFIED SLIDE PACK INSTALLATION PER AMM 25-62-44.Jun 21, 2022 · N542UW · Airbus A300* · Escape SlideSDR AALA202206202923Cover · out of positionAIRCRAFT WAS NOT GROUNDED: ESCAPE ROPE COVER WONT STAY IN POSITION. RE-SECURED ESCAPE ROPE COVER AS REQUIREDJun 18, 2022 · N542UW · Airbus A300* · Emergency EquipmentSDR AALA202205317068Smoke Detector · false indicationAIRCRAFT WAS NOT GROUNDED: IN FLIGHT LAVATORY SMOKE ECAM INDICATION AS WELL AS FLIGHT ATTENDANT PANEL FOR AFT RIGHT LAVATORY. NO INDICATION OF SMOKE, TRASH CANS DOUSED CONTINUED NORMALLY. MAINTENANCE PERFORMED A SATISFACTORY OPERATIONAL CHECK OF THE LAVATORY SMay 28, 2022 · N542UW · Airbus A300* · Smoke DetectionSDR AALA202202289690Striker · stickingAIRCRAFT WAS NOT GROUNDED: FLIGHT DECK DOOR TOP STRIKER APPEARS TO NOT LATCH AND DIFFICULT TO OPEN AND CLOSE. LUBRICATED STRIKER AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.Feb 26, 2022 · N542UW · Airbus A300* · Flight Compartment EquipmentSDR AALA202202160794Diaphragm · low pressureAIRCRAFT WAS GROUNDED: R4 DOOR, CHECK DOOR PRESSURE LIGHT ON FLIGHT ATTENDANT PANEL. REPLACED DOOR ASSIST BOTTLE DIAPHRAGM PER AMM 52-10-00.Feb 15, 2022 · N542UW · Airbus A300* · Passenger/Crew DoorsSDR AALA202202151981Cylinder · low pressureAIRCRAFT WAS GROUNDED: ENTRY DOOR "CABIN PRESSURE" LIGHT DISAGREE WITH AIRCRAFT AT DOOR 4R. SERVICED 4R DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00.Feb 14, 2022 · N542UW · Airbus A300* · Passenger/Crew DoorsSDR AALA202202099255Cylinder · low pressureAIRCRAFT WAS NOT GROUNDED: DOOR 4R PRESSURE LOW ON FLIGHT ATTENDANTS PANEL. SERVICED 4R DOOR DAMPER & EMERGENCY OPERATION CYLINDER PER AMM 52-10-00. FLIGHT ATTENDANTS PANEL LOW PRESSURE WARNING CLEARED.Feb 6, 2022 · N542UW · Airbus A300* · Passenger/Crew DoorsSDR AALA202112084285Proximity Switch · false indicationAIRCRAFT WAS NOT GROUNDED: DOOR 3L SLIDE INDICATION BLINKS ARMED AND DISARMED ON ECAM AND FLIGHT ATTENDANT PANEL. SLIDE VERIFIED DISSARMED. REPLACED 3L DOOR ARM HANDLE PROXIMITY SWITCH PER AMM 52-73-11.Dec 5, 2021 · N542UW · Airbus A300* · Passenger/Crew DoorsSDR AALA202111098331Reservoir · low pressureAIRCRAFT IN BASE MAINTENANCE: LOW PRESSURE SLIDE INFLATION RESERVOIR ON EMERGENCY EXIT DOOR 843. REPLACED RESERVOIR PER AMM 25-62-49-400-001-A.Nov 8, 2021 · N542UW · Airbus A300* · Escape SlideSDR AALA202111045723Power Cable · chafedAIRCRAFT IN BASE MAINTENANCE: #2 ENGINE INTEGRATED DRIVE GENERATOR POWER CABLES CHAFFED. REPLACED POWER CABLES AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 24-21-43.Nov 3, 2021 · N542UW · Airbus A300* · Electrical Power System WiringSDR AALA202111047254Connector · inoperativeAIRCRAFT WAS NOT GROUNDED: INOPERATIVE EMERGENCY EXIT LIGHT IN AFT PASSENGER CABIN ON SEAT (32, 33, 34 LEFT SIDE) IN PASSENGER CABIN (3 EA). PERFORMED CORRECTLY CONNECTION OF CONNECTOR 7260VC 13 PER ESPM 20-44-11Nov 3, 2021 · N542UW · Airbus A300* · Emergency LightingSDR AALA202111015675Shear Plate · crackedAIRCRAFT IN BASE MAINTENANCE: AFT GALLEY AREA CRACKED SHEAR PLATE LOCATED BETWEEN FR 69 TO FR 70 AT S23R. REPLACED SHEAR PLATE PER SRM 51-42-11-801 AND DRAWING D53474180.Oct 31, 2021 · N542UW · Airbus A300* · Fuselage Miscellaneous StructureSDR AALA202110213158Floor Panel · delaminatedAIRCRAFT IN BASE MAINTENANCE: AFT PASSENGER CABIN FLOOR PANEL 251AF DELAMINATED. REPLACED FLOOR PANEL PER SRM 53-02-00-300-011 AND IRM 970.Oct 17, 2021 · N542UW · Airbus A321231 · Fuselage Floor PanelSDR AALA202110193652Floor Support · crackedAIRCRAFT IN BASE MAINTENANCE: CRACKED COCKPIT FLOOR SUPPORT ANGLE FITTING LOCATED BETWEEN FR 11 AND FR 12 AT LEVEL OF Y1292. REPLACED FITTING PER SRM 51-42-11-801-A AND DWG D53113448.Oct 17, 2021 · N542UW · Airbus A321231 · Fuselage Main, StructureSDR AALA202110196999None · corrodedAIRCRAFT IN BASE MAINTENANCE: CORROSION MEASURING L=0.828 IN, W=0.612 IN, D=0.006 IN, ON BULK CARGO COMPARTMENT DOOR FRAME LOWER SILL LOCATED AT FR 62 AT LEVEL OF S38R. REPAIRED PER SRM 53-41-49-300-003.Oct 17, 2021 · N542UW · Airbus A321231 · Fuselage Main, StructureSDR AALA202110182284Pin · wornAIRCRAFT WAS IN BASE MAINTENANCE: WEAR ON TORQUE LINKS CENTER HINGE PIN ON NOSE LANDING GEAR (1EA). REPLACED NEW CENTER PIN NOSE LANDING GEAR PER AMM 32-27-27-400-002-A.Oct 14, 2021 · N542UW · Airbus A321231 · Nose/Tail Landing Gear Attach SectionSDR AALA202110155656Support Angle · crackedAIRCRAFT IN BASE MAINTENANCE: CRACK IN FLOOR SUPPORT ANGLE LOCATED FROM FR 11 TO FR 12 AND -Y765. REPLACED ANGLE PER SRM 51-72-11-911-001, SRM 51-42-11-801 AND DWG D53113448.Oct 14, 2021 · N542UW · Airbus A321231 · Fuselage Miscellaneous StructureSDR AALA202110153756Support Angle · crackedAIRCRAFT IN BASE MAINTENANCE: CRACK IN FLOOR SUPPORT ANGLE LOCATED FROM FR 11 TO FR 12 AND Y765. REPLACED ANGLE PER SRM 51-72-11-911-001, SRM 51-42-11-801 AND DWG D53113448.Oct 14, 2021 · N542UW · Airbus A321231 · Fuselage Miscellaneous StructureSDR AALA202110125910Floor Panel · delaminatedAIRCRAFT IN BASE MAINTENANCE: FORWARD GALLEY AREA FLOOR PANEL 221LF DELAMINATED. REPLACED FLOOR PANEL PER SRM 53-02-00-300-011 AND IRM 9701.Oct 10, 2021 · N542UW · Airbus A321231 · Fuselage Floor PanelSDR AALA202110118685Hinge Fitting · excess playAIRCRAFT IN BASE MAINTENANCE: RIGHT HAND HORIZONTAL STABILIZER # 1 ELEVATOR HINGE FITTING HAS EXCESSIVE PLAY. REPLACED HINGE FITTING PER AMM 55-16-42-400-001-A.Oct 10, 2021 · N542UW · Airbus A321231 · Horizontal Stabilizer Structure
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