N451UA

Service difficulty reports · 97

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 = 'N451UA' 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 CALA2026092919986Fuel Cap · missingFUELER REPORTS UNDERWING FUEL CAP MISSING PRIOR TO FUELING ACFT. COMPLIED WITH CDL. PLACARD INSTALLED DISPATCH DESK: APPROVED FOR CDL 28A PLACARD INSTALLED MISSING FUEL CAP PER AMM 28-25-41. OPS CHECK IS GOOD. NO DEFECTS NOTED. ORIGINAL FUEL CAP WAS MISSING.PASep 27, 2026 · N451UA · Airbus A320232 · Fuel StorageSDR CALA2026030414300Fuel Cap · missingACFT ARRIVED WITH FUEL CAP MISSING, REF LP 8042345. FUEL CAP WAS REMOVED. FUEL CAP LANYARD DAMAGED RING. VERIFIED THE SEAL IS GOOD. NO LEAKS. FUEL CAP IS SECURED. APPLIED PLACARD, OK TO DEFER PER 2522HK. FUEL CAP REMOVED FROM AIRCRAFT AND PLACED IN OPS OFFMar 4, 2026 · N451UA · Airbus A320232 · Fuel StorageSDR CALA2025122912465Crossbeam · wornNUMBER 1 ENG PNEUMATIC FLEX LINE CHAFING DEEPLY INTO FWD ENG MOUNT LT THRUST LINK AND MOUNT CROSSBEAM OTBD EDGE RADIUS. REMOVED AND REPLACED ENGINE 1 FWD MOUNT IAW AMM 71-21-1 2-000-011-A, AND AMM 71-21-12-400-011-A.Dec 19, 2025 · N451UA · Airbus A320232 · Engine Mount SectionSDR CALA2025122312350Receptacle · damagedAPU COMP AFT WALL DAMAGED BELOW LT AND RT LATCH PIN RECEPTACLE . REMOVED AND REPLACED APU COMP. AFT WALL LT & RT LATCH RECEPTACLES IAW SRM 51-42-11-001.Dec 19, 2025 · N451UA · Airbus A320232 · APU Cowling/ContainmentSDR CALA2025052004837Pcb · faultedPAX CALL LIGHT/AURAL WARNING GOING OFF INTERMITTENTLY AT ROW 26A. DISCONNECTED PAX CALL CONNECTOR AT ROW 26 A, B, C. REF GMM 05-30-05. INSTALLED INOP STICKER ON FWD FAP PANEL. CALHOUN, SAM (V947403) DEFERRED PER MEL, DISCONNECTED PAX CALL CONNECTOR AT ROW May 17, 2025 · N451UA · Airbus A320232 · Communications System WiringSDR CALA2025043004354Pitot Tube · obstructedNO AIRSPEED INDICATIONS ON CAPTAIN'S PFD ACCMP PITOT INSPECTION OF CAP PITOT PROBE REF AMM 34-11-15-200-001-A. FOUNF CAP PITOT PROBE (9DA1) BLOCKED WITH DEBRIS. A.C, RETURN BACK TO AUSTIN , FERRY CREW THAT WERE TAKING IT TO DENVER , REPORTED AIRSPEED INDICATIApr 29, 2025 · N451UA · Airbus A320232 · Pitot/Static SystemSDR CALA2024082200476Slide · no testEMERGENCY LIGHTS OPS CHECK FAILED WHILE PERFORMING BLOCK 6 OF SLIDE INSTALLATION TASK CARD 31-2562-1-4821. FAULT EPSU EXT LOAD EMER R SHOWS ON DISPLAY. PERFORMED EPSU BITE TEST PER AMM 33-51-00-710-A. FOUND EXTERIOR LIGHT BAD FAULT. NEW SLIDE BAD FROM STOCK. NAug 21, 2024 · N451UA · Airbus A320232 · Escape SlideSDR CALA2024080900400Smoke Detector · fault messageSMOKE DETECTOR FAULT. CIDS FAULTING LAV SMOKE SYSTEM. FOUND AIRCRAFT UNPOWERED, PWERED AIRCRAFT AND FOUND FAULT CLEARED. ACCOMPLISHED TEST OF CARGO SMOKE DETECTOR SYSTEM REF AMM 26-16-00-501 AND LAV SMOKE DETECTOR SYSTEM REF AMM 26-17-00-501 ALL TESTS PASSAug 8, 2024 · N451UA · Airbus A320232 · Smoke DetectionSDR CALA2023042401238Uplock · failedLGCIU 2 FAULT DISPLAYED ON UPPER ECAM SCREEN - L-G REPLACED PROX SENSOR 28GA PER AMM 32- 31-73-000-001-A AND OPS CHECK PER 32-31-73-400-001-A ON R/H MAIN GEAR OPS CHECK SYSTEM OK NO FAULTS FOUND. REPLACED NLG UPLOCK IAW AMM 32-31-14-400-001 OPS CHECK OK PER AApr 24, 2023 · N451UA · Airbus A320232 · Landing Gear Retraction/Extension SystemSDR CALA2023041001093Flap System · lockedSUPPORT TASK- FLIGHT TEST: F/CTL FLAPS LOCKED WARNING OCCURED WHILE CONFIGURING FOR LANDING. FLAPS PARTIALLY EXTENDED BETWEEN 0-1. SLATS EXTENDED NORMALLY. W/C:51126 PERFORMED TSM 27-51-00-810-818-A, ADJUSTMENT THE INTERCONNECTING 801-A T11230 SEE FORM 44-0008Apr 10, 2023 · N451UA · Airbus A320232 · Trailing Edge Flap Control SystemSDR CALA2023032700872Frame · cracked(AD 2022-15-05) DURING HFEC INSP OF THE RH FR68. CRACK INDICATION WAS NOTED ON UPPER AND LOWER STGR22 WEB, HORIZONTAL FLANGE RADII. CRACK LENGTH APPROX. OF .852" ON UPPER SIDE AND .959" ON LWR SIDE. CRACK ENDS MARKED IN RED. CONTACT ENGINEERING FOR REPAIR INMar 24, 2023 · N451UA · Airbus A320232 · Fuselage Main, Attach FittingsSDR CALA2023030900643Beam · corrodedA3NB-53-3-6038 CABIN FLOOR SUPPORT AND ATTACHED BRACKET JUST O/B OF -Y1292 FR16 HAVE CORROSION CABIN FLOOR SUPPORT REMOVED AND REPLACED FOR NEW FLOOR SUPPORT IAW SRM 51-42-11. WC:50689 EMP:V936191 STA:ST ENG BFMMar 6, 2023 · N451UA · Airbus A320232 · Fuselage Main, StructureSDR CALA2023030600637Floor Support · corrodedA3NB-53-3-6038 CABIN FLOOR SUPPORT AND ATTACHED BRACKET JUST O/B OF -Y1292 FR16 HAVE CORROSION CABIN FLOOR SUPPORT REMOVED AND REPLACED FOR NEW FLOOR SUPPORT IAW SRM 51-42-11. WC:50689 EMP:V936191 STA:ST ENG BFMMar 6, 2023 · N451UA · Airbus A320232 · Fuselage Main, StructureSDR CALA2023030600629Seat Track · corrodedCABIN SEAT TRACK -Y1292 FR20 HAS CORROSION. REMOVED AND REPLACED, CABIN SEAT TRACK -Y1292 FROM FR12 TO FR24 I.A.W. SRM 51-42-11.- EMP: V936191 WC: 50692 STA: ST ENG BFMMar 4, 2023 · N451UA · Airbus A320232 · Fuselage Main, StructureSDR CALA2023030300597Seat Track · corrodedCABIN SEAT TRACK -Y1292 FR20 HAS CORROSION. REMOVED AND REPLACED, CABIN SEAT TRACK -Y1292 FROM FR12 TO FR24 I.A.W. SRM 51-42-11.- EMP: V936191 WC: 50692 STA: ST ENG BFMMar 3, 2023 · N451UA · Airbus A320232 · Fuselage Main, StructureSDR CALA2023030100580Door Sill · corrodedA3NB-53-3-6222 R2 AFT ENTR DOOR HAS SIGNS OF SURFACE CORROSION REMOVED CORROSION FOUND OUT LIMITS IAW SRM 53-41-14-283-002 REMOVED AND REPLACED DOOR SILL P/N D534800420701 BATCH220GGD0310 IAW SRM 53-14-80-AA PG152 FIG002 SRM 51-41-11. W/C:50768 EMP: V934700 STFeb 28, 2023 · N451UA · Airbus A320232 · Passenger/Crew DoorsSDR CALA2023030100577Door Sill · corrodedLH AFT ENTR. DOOR HAS SIGNS OF SURFACE CORROSION. REMOVED CORROSION ON DOOR SILL IAW SRM 51-74-00, FOUND OUT LIMIT WC: 50767 STA: ST ENG BFM S IAW SRM 53-41-14-283-002, REMOVED AND REPLACED DOOR SILL IAW S RM 51-41-11, APPLIED TREATMENT AND PRIMER IAW SRM 51-2Feb 28, 2023 · N451UA · Airbus A320232 · Passenger/Crew DoorsSDR CALA2023021600455Seat Track · corrodedCABIN SEAT TRACK -Y765 FR20 HAS CORROSION. REMOVED AND REPLACED CABIN SEAT TRACK -Y765 FROM FR12 TO FR24 IA W SRM 51-72-11-911. EMP: V933866 WC: 50690 STA: ST ENG BFMFeb 16, 2023 · N451UA · Airbus A320232 · Fuselage Main, StructureSDR CALA2023021400440Floor Support · corroded(A3NB-53-3-6038) CABIN FLOOR SUPPORT BY DOOR R1 FR20 HAS CORROSION. CABIN FLOOR SUPPORT BY DOOR R1 FR 20, REMOVED CORROSIONIAW SRM 5 NEW WEB IAW SRM 51-42-11. NEW WEB IAW SRM 51-42-11. NEW WEB IAW SRM 51-42-11. 1-74-00, CHECKED LIMITS L-20, W-.14 D=0.070 FOUNDFeb 14, 2023 · N451UA · Airbus A320232 · Fuselage Main, StructureSDR CALA2023021400439Floorbeam · corrodedAFT CABIN FLOORBEAM +Y765 HAS CORRDED HARD POINT AT FR68. AFT CABIN FLOOR BEAM +Y765 HARD POINT AT FR68 OUT OF LIMITS. REMOVED, REPLACED NEW SUPPORT BEAM PART # D5347219220000 BATCH# 00 03916319 IAW SRM 51-42-11. EMP: V934337 WC: 50825 STA: ST ENG BF MFeb 14, 2023 · N451UA · Airbus A320232 · Fuselage Main, StructureSDR CALA2023021400437Floor Support · corroded(A3NB-53-3-6038) CABIN FLOOR SUPPORT BY DOOR R1 FR20 HAS CORROSION. CABIN FLOOR SUPPORT BY DOOR R1 FR 20, REMOVED CORROSIONIAW SRM 5 NEW WEB IAW SRM 51-42-11. NEW WEB IAW SRM 51-42-11. NEW WEB IAW SRM 51-42-11. 1-74-00, CHECKED LIMITS L-20, W-.14 D=0.070 FOUNDFeb 14, 2023 · N451UA · Airbus A320232 · Fuselage Main, StructureSDR CALA2023021400435Beam · corrodedAFT CABIN FLOORBEAM +Y765 HAS CORRDED HARD POINT AT FR68. AFT CABIN FLOOR BEAM +Y765 HARD POINT AT FR68 OUT OF LIMITS. REM OVED, REPLACED NEW SUPPORT BEAM PART # D5347219220000 BATCH# 00 03916319 IAW SRM 51-42-11. EMP: V934337 WC: 50825 STA: ST ENG BF MFeb 14, 2023 · N451UA · Airbus A320232 · Fuselage Main, StructureSDR CALA2023010400023Valve · inoperativeAFT CARGO HEAT HOT AIRVALVE WILL NOT OPEN W/SEL AT FULL HOT..TRI M AIR AT C..AMB TMP 58+ DEC NO FAULTS NOTED IN FLIGHT DECK. PERFORMED POWER UP BITE TEST AMM COMPARTMENT HEATING SYSTEM AMM 21-43-00-710-003-A. FOUND AFT FROM THIS POSITION SAME WITH TRIM AIR VALJan 4, 2023 · N451UA · Airbus A320232 · Heating SystemSDR CALA2022011000102None · nonePDA 2 #1 ENG INBD T-R TO PYLON FLEX SEAL SEGMENTS MISSING PIECES ...FIG 3 ITEM 90 AND ITEM 110 OF ECRA 5450-02357 FLIGHT CYCLE AND PERMANENT REPAIR PER PART 3 WITHIN 50 FLIGHT HOURS. REF ECRA 5450-02357 REV-B. ACCOMPLISHED PART 1D INTERIM REPAIR. ISSUE DIP TO Jan 9, 2022 · N451UA · Airbus A320232 · Nacelle/Pylon StructureSDR CALA2021102501969Autobrake Sys · inoperativeAUTO BRAKE FUNCTION INOP - BRAKES ECAM BRAKES AUTO BRKFAULT SEE SIGNOFF OF LOGPAGE 7264180 FOR CORRECTIVE ACTION. PERFORMED BSCU 1 AND BSCU 2 GROUND SCAN WITH NO FAULTS PRESENT. PER LP 7264180 SYS 2 FAULT DISPLAYED ON UPPER ECAM SCREEN. - BRAKES CB RESET PEROct 24, 2021 · N451UA · Airbus A320232 · TireSDR CALA2020012600232Skin · crackedDURING INSPECTION LEFT FRAMES 35-36 IAW EA5330-05216, FOUND MULTIPLE HOLES WITH DEFECTS AND CRACKS. ACCOMPLISHED INTERIM REPAIR IN REF TO PART 1 OF ECRA5331-02575, ACCOMPLISH PERMANENT REPAIR PER PART 3 OF ECRA 5331-02575, ON OR BEFORE 84597 FLIGHT CYCLES OR Jan 21, 2020 · N451UA · Airbus A320232 · Fuselage Main, Plate/SkinSDR CALA2020012600231Skin · crackedDURING INSPECTION OF RIGHT HAND FRAME35-36 EA5330-05216, FOUND MULTIPLE HOLES WITH DEFECTS/CRACKS ACCOMPLISHED INTERIM REPAIR IN REF TO PART 1 OF ECRA 5331-02576, ACCOMPLISHED PERMANENT REPAIR PER PART 3 OF ECRA 5331-02576 ON OR BEFORE 84,597 FLIGHT CYCLES OR Jan 21, 2020 · N451UA · Airbus A320232 · Fuselage Main, Plate/SkinSDR CALA2019090601500Transmitter · faultyFORWARD LAV INOP - WASTE ALL LAVS INOPERATIVE ACCOMPLISHED RESET OF VAC SYSTEM. AMM 38-31-00-710-002 ALL LAVS 38-31-62 THE LAST 12 LEGS. CONCURRED WITH TOMC ROGER AND HE REQUESTS THE LIQUID LEVEL TRANSMITTER TO BE REPLACED. CIDS LIGHT INDICATED TOILET SYSTEM Sep 6, 2019 · N451UA · Airbus A320232 · Waste Disposal SystemSDR CALA2019030800370Rivet · missingNR 2 ENG COMMON NOZZLE HAS SEVERAL MISSING RIVETS AND SEVERAL LOOSE RIVETS (RIVETS MARKED) REPLACED THE NUMBER TWO ENGINE CNA AS PER 78-11-11-400-010-A WORK PERFORMED, ROTABLE PARTS CHANGE WAS INDICATED - TT # 1445047 SN OFF 5716 NOZZLE, NON-VEC OFF 31-7811-9Mar 7, 2019 · N451UA · Airbus A320232 · Engine Collector/Tailpipe/NozzleSDR CALA2018121402563Fan · failedSMOKE SMELL IN FLIGHT T/S AND FOUND REC FAN #1 15HG TO BE POPPING C/B AND CAUSING AMBER FAN MSG ON A/C PAGE. ORDERED FAN M&E 31-2126-9-0001 FROM ORT. FOUND #1 RECIRC FAN 15 HG LOCKED UP AND CHECK VALVE SPRING WAS B ROKEN. REMOVED AND REPLACED FAN AND CHECK VALDec 11, 2018 · N451UA · Airbus A320232 · Air Distribution FanSDR CALA2017103003873Power Supply · faultyEPSU BATTERY EMER R MESSAGE DISPLAYED ON CIDS PANEL DURING EMERGENCY LIGHT/SYS TEST. REPLACED EMERGENCY POWER SUPPLY UNIT (12WL) BATTERY PER MM33-51- 38-400-002-A, OPS CHECKS GOOD.Oct 30, 2017 · N451UA · Airbus A320232 · Emergency LightingSDR CALA2017071002180Power Supply · faultyEMERGENCY LIGHTS TEST FAIL. EPSU BATTERY FWD L AND EPSU UNIT EMER R. REPLACED BATTERY AT FWD L AND POWER SUPPLY AT OVERWING R PER MM 33-51-38. OPS CK GOOD.Jul 10, 2017 · N451UA · Airbus A320232 · Emergency LightingSDR CALA2017010900039Slat System · malfunctionedSLATS LOCKED, WING TIP BRAKE ON DISPLAYED ON UPPER ECAM SCREEN. EMERGENCY DECLARED. PERFORMED WING TIP BRAKE RESET PROCEDURE IAW AMM 27-80-00-869-00 4. ACCOMPLISHED FLAP WTB SOLENOID WTB TEST IAW 27-51-00-040-004 , RESET OF NR 1 SLAT TORQUE LIMITER IAW 27Jan 9, 2017 · N451UA · Airbus A320232 · Leading Edge Slat Control SystemSDR CALA2016081295641Light · no testEMERGENCY LIGHT TEST FAILED. RESET CIDS 1 & 2, LIGHT TESTED OK.Aug 7, 2016 · N451UA · Airbus A320232 · Emergency LightingSDR CALA2015012393007Battery · dischargedEMERGENCY LIGHT BATTERY CAPACITY TEST FAILED, EPSU BATTERY CAPACITY AFT LT. REPLACED AFT LT BATTERY 13WL. PN AD-3214-31. BATTERY CAPACITY TESTED OK.Jan 23, 2015 · N451UA · Airbus A320232 · Emergency LightingSDR CALA2014112892747Skin Panel · damagedMAJOR REPAIR & SDR. LEFT ELEVATOR UPPER SKIN PANEL HAS TRAPPED WATER INDICATION AT 5 LOCATIONS AS FOLLOWS. 1) 16 INCHES FROM INBD, 17 INCHES FROM TE & 1.5 INCHES IN DIAMETER. 2) 73 INCHES FROM INBD, 21 INCHES FROM TE & 3.5 INCHES X 8 INCHES UNDER LIGHTNING Nov 25, 2014 · N451UA · Airbus A320232 · Elevator, Plate/SkinSDR CALA2014062491332Warning System · false activationYAW DAMPER 2 FAULT AFTER ENG START. CYCLED 2 FAC SWITCH & RESET CB FAULT CLEARED & BITE CHECKED OK IAW AMM22-96-00.Jun 22, 2014 · N451UA · Airbus A320232 · Autopilot SystemSDR CALA2014052791169Generator · malfunctionedDURING CLIMB LOST GENERATOR NR 2.May 23, 2014 · N451UA · Airbus A320232 · AC Generator-AlternatorSDR CALA2014031090565Fmc · malfunctionedFLIGHT MANAGEMENT GUIDANCE COMPUTERS 1 & 2 ARE INOPERATIVE. RESET BOTH FLIGHT MANAGEMENT GUIDANCE COMPUTERS POWER 90 SEC ALL FUNCTIONS & DISPLAYS RESTORED.Mar 9, 2014 · N451UA · Airbus A320232 · Flight Management Computing Hardware SystemSDR CALA2014012090183Eec · malfunctionedENG 1 FADEC B FAULT ON START. EEC REPLACED IN NR 1 ENG POSITION, OPERATIONS CHECKED OK IAW MM73-22-34 & MM73-22-34-400-010-A13.Jan 17, 2014 · N451UA · Airbus A320232 · Fuel Control/Turbine EnginesSDR CALA2013120293361Module · faultyCAPTAIN`S PFD HAS NO ALTITUDE INFO DISPLAYED. REPLACED AIR DATA MODULE 19FP1 IAW AMM. PERFORMED ILS LAND CAT111 TEST DUE TO REPLACING ADM & RERACK OF ADIRU 1 IAW AMM 22-97-00, TESTED OK, STATUS NORMAL.Nov 27, 2013 · N451UA · Airbus A320232 · Flight Environment DataSDR CALA2013112693263Structure · out of adjustDOOR 1L & DOOR 1R SLIDE BUSTLES IN SWAPPED POSITIONS. ALSO THE SAME WITH DOORS 2L & 2R. SWAPPED DOOR SLIDE BUSTLES TO CORRECT POSITIONS.Nov 25, 2013 · N451UA · Airbus A320232 · Emergency EquipmentSDR CALA2013112593246Structure · dentedDENT AFT OF DOOR 2L JUST ABOVE FLOOR LINE. DENT IS 3/4 INCHES IN DIAMETER BY .010' DEEP. NO EVIDENCE OF CRACKS OR OTHER DEFECTS. NO RIVETS NEARBY OR UNDERLYING STRUCTURE. DENT WITHIN LIMITS IAW SRM.Nov 24, 2013 · N451UA · Airbus A320232 · Fuselage Miscellaneous StructureSDR CALA2013090991136Slide · deployedDOOR 2R SLIDE DEPLOYED AT GATE. R&R R2 DOOR SLIDE IAW AMM, GROUND CHECKED GOOD.Sep 8, 2013 · N451UA · Airbus A320232 · Escape SlideSDR CALA2013090290929Unknown · odorFLIGHT ATTENDANTS REPORTED BURNING SMELL IN AFT GALLEY, COULD NOT LOCATE SOURCE. DEBRIEFED CABIN CREW & FLIGHT ATTENDANTS OF NATURE OF SMELL & THEY SUSPECT SOMETHING OF A BURNT FOOD ODOR & NOT ELECTRICAL. WE SENT IN THE BACK & UNABLE TO DETECT ANY SORT OF AAug 31, 2013 · N451UA · Airbus A320232 · Air Distribution SystemSDR CALA2013082290660Wire Harness · faultyIAW DF333 - BEGAN REPLACEMENT OF FIRE LOOP HARNESS. BEGAN AT THE 6 0'CLOCK POSITION & CONTINUED UP THE LT SIDE OF ENGINE. HARNESS IS COMPLETE TO ABOVE THE GROUNDS ON THE LT SIDE OF ENGINE. COMPLETED WIRE HARNESS REPLACEMENT. RECONNECTED DISCONNECT CONNECTORSAug 21, 2013 · N451UA · Airbus A320232 · Fire DetectionSDR UALA2013072505238Connector · unsecureNR 2 ENGINE FIRE LOOP "B" FOUND TOTAL RESISTANCE TO BE 1511 OHMS BETWEEN PINS J AND K FROM ENGINE 2 FDU. RESISTANCE VALUE IS WITHIN LIMITS IAW TSM 26-12-00-810-806-A PG 4 OF 7, ITEM 5A. WIRING CHECKED OK. NO VISUAL DAMAGE ON WIRE. FOUND LOOSE CONNECTOR. SJul 25, 2013 · N451UA · Airbus A320232 · Fire Protection System WiringSDR UALA2013071104836Tire · failedSIGNIFICANT NOSE WHEEL VIBRATION FROM LIFTOFF TIL WHEELS IN WELL ON TAKEOFF. REPLACE NOSE TIRES.Jul 10, 2013 · N451UA · Airbus A320232 · TireSDR UALA2013062104318Structure · damagedMETAL PEELING BACK FROM NR 2 ENGINE BYPASS FAN COWL AT 4 O'CLOCK POSITION. CUT AWAY LOOSE MATERIAL REF MT 78-010 PAR 4.A. REPAIRED PER AMM, MT-010, MAINTENANCE ACTION 5.Jun 20, 2013 · N451UA · Airbus A320232 · Nacelle/Pylon StructureSDR UALA2013052803685Lens · brokenL2 DOOR ARMED INDICATOR LENS IS BROKEN. SECURED LENS ON DOOR.May 24, 2013 · N451UA · Airbus A320232 · Emergency Lighting
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