N504DN

Service difficulty reports · 40

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 = 'N504DN' 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 DALA2025050603510Elec Connector · disconnected20B, 23B, 25B, 31C, 33C, 35C, 37C, 39C SEAT MOUNTED EMERGENCY LIGHTS INOP. FOUND CONNECTOR J13 AT EMERGENCY LIGHT FLOOR DISCONNECT BOX DISCONNECTED. RECONNECTED J13. OPS CHECK NORMAL. REF A350 AWM 33 -51. (LP# 7183553)May 2, 2025 · N504DN · Airbus A350941 · Light System WiringSDR DALA2025032002125Light · missingDURING SVC FOUND SEAT 51G SEAT MOUNTED EMER LIGHT MISSING. INSTALLED EMERGENCY LIGHT ASSY @ SEAT 51G PER A350 AMM 33-51. OPS CK NORMAL. (LP# 7181240)Mar 19, 2025 · N504DN · Airbus A350941 · Emergency LightingSDR DALA2024111911039Power Supply · no testDURING A CHECK EMERGENCY LIGHT OPS TEST FOUND DOOR L3 EPSU (101WL3) INOP. R+R EPSU (101WL3) PER A350 AMM 33-51. SW LOAD COMPLIED WITH. OPS CK GOOD. (LP# 6642953)Nov 13, 2024 · N504DN · Airbus A350941 · Emergency LightingSDR DALA2023102208666Unknown · unknownAIRCRAFT 3504 RIGHT WING DUE TO AIRBUS FINDINGS AND INSPECT THE GLOW SEALANT ON UPPER STRINGER RIB FEET IN THE OUTER WING BOX IN CERTAIN LOCATIONS AND REPLACES THE GLOW SEALANT IF MISSING PER AIRBUS SB A350-57-P070. CORRECTIVE ACTION: REMOVED SEALANT AS NEEDEDOct 22, 2023 · N504DN · Airbus A350941 · Wing, Plate/SkinSDR DALA2023102208665Unknown · unknownAIRCRAFT 3504 LEFT WING DUE TO AIRBUS FINDINGS AND INSPECT THE GLOW SEALANT ON UPPER STRINGER RIB FEET IN THE OUTER WING BOX IN CERTAIN LOCATIONS AND REPLACES THE GLOW SEALANT IF MISSING PER AIRBUS SB A350-57-P070. CORRECTIVE ACTION: REMOVED SEALANT AS NEEDED Oct 22, 2023 · N504DN · Airbus A350941 · Wing, Plate/SkinSDR DALA2023102008652Unknown · unknownAIRCRAFT 3504 RIGHT WING DUE TO AIRBUS FINDINGS AND INSPECT THE GLOW SEALANT ON STRINGER RIB FEET IN THE OUTER WING BOX IN CERTAIN LOCATIONS AND REPLACES THE GLOW SEALANT IF MISSING PER AIRBUS SB A350-57-P067 AND FAA AD 2021-16-03. CORRECTIVE ACTION: REMOVED SOct 20, 2023 · N504DN · Airbus A350941 · Wing Main, Frame StructureSDR DALA2023102008651Unknown · unknownAIRCRAFT 3504 LEFT WING DUE TO AIRBUS FINDINGS AND INSPECT THE GLOW SEALANT ON STRINGER RIB FEET IN THE OUTER WING BOX IN CERTAIN LOCATIONS AND REPLACES THE GLOW SEALANT IF MISSING PER AIRBUS SB A350-57-P067 AND FAA AD 2021-16-03. CORRECTIVE ACTION: REMOVED SEOct 20, 2023 · N504DN · Airbus A350941 · Wing, Plate/SkinSDR DALA2023082406896Unknown · unknownSHIP 3504 -ATB- DUE TO (AIR PACK 1 LEAK) ECAM MESSAGE. CORRECTIVE ACTION: FOUND SEAL BLOWN OUT AT RIGHT DUCT CONNECTION TO THE LEFT HEAT EXCHANGER. REPLACED SEAL. (LP 4528555)Aug 23, 2023 · N504DN · Airbus A350941 · Air Conditioning SystemSDR DALA2023060804681Unknown · unknownSHIP 3504 DOOR 2L CENTER GUIDE BEARING DAMAGED. CORRECTIVE ACTION: REMOVED AND REPLACED 2L DOOR CENTER GUIDE BEARING. (8985299)Jun 8, 2023 · N504DN · Airbus A350941 · Passenger/Crew DoorsSDR DALA2023060804680Unknown · unknownSHIP 3504 DOOR 1L CENTER GUIDE BEARING DAMAGED. CORECTIVE ACTION: REMOVED AND REPLACED DOOR 1L CENTER GUIDE BEARING. (4789700)Jun 8, 2023 · N504DN · Airbus A350941 · Passenger/Crew DoorsSDR DALA2022040602350None · noneSHIP 3504 - O2 MASKS DROPPED ON LANDING LAST ROW OF DPS ROW25. CORRECTIVE ACTION: RESTOWED PASSENGER O2 MASKS ROW 24 SEATS (7883349)Apr 5, 2022 · N504DN · Airbus A350941 · Passenger Oxygen SystemSDR DALA2022040402289Antenna · inoperativeSHIP 3504 -ATB- DUE TO BOTH WEATHER RADAR SYSTEMS INOP. CORRECTIVE ACTION: FOUND RADOME DELAMINATED. R & R RADOME PER A350-A-53-15. R & R'D WXR DRIVE UNIT PER A350-A-34-71. ALL CHECKS GOOD. (7883333)Apr 4, 2022 · N504DN · Airbus A350941 · Navigation SystemSDR DALA2023053104362Unknown · unknownSHIP 3504 AFT CARGO FLOOR PANELS 152LAF AND 152PAF ARE SOFT/SPONGY. CORRECTIVE ACTION: COMPLETED REPAIR PER ASR A350-A-53-02-XX-07001-662A-A. ON 28OCT23, AFT CARGO FLOORPANELS 152LAF AND 152PAF REMOVED AND REPLACED.Mar 2, 2022 · N504DN · Airbus A350941 · Fuselage Floor PanelSDR DALA2021072804248Oxygen Mask · unwanted deploySHIP 3504 - MASK DROPPED ROW 25. CORRECTIVE ACTION: INSPECTED O2 MASKS @ ROW 25, FOUND ALL PANELS LATCHED & SECURED IAW A350 AMM 35-20.(7310096)Jul 26, 2021 · N504DN · Airbus A350941 · Passenger Oxygen SystemSDR DALA2021072604197Seal · out of positionSHIP 3504 -ATB- DUE TO LOUD NOISE AND VIBRATIONS REPORTED AROUND THE L1 DOOR. CORRECTIVE ACTION: FOUND THE AERODYNAMIC SEAL AT THE TOP OF DOOR PUSHED OUT. REPLACED THE L1 DOOR AERODYNAMIC SEAL.(7310081)Jul 24, 2021 · N504DN · Airbus A350941 · Passenger/Crew DoorsSDR DALA2021062403429Warning Message · false activationSHIP 3504 AFTER TAKEOFF, DISPATCH MESSAGE "CABIN EMER EXIT LT" DISPLAYED. CORRECTIVE ACTION: FAULT CODE 3350F001, FIN 102WL3. R/R EPSU. ALL TEST PASS. SOFTWARE OK. DISPATCH MSG CLEARED. (7380364)Jun 24, 2021 · N504DN · Airbus A350941 · Door Warning SystemSDR DALA2021051102662Bushing · wornSHIP 3504 DOOR 4L FWD GIRT BAR FITTING BUSHINGS HAVE WEAR MARKS REF AA 5212 01125. CORRECTIVE ACTION: RE WORKED. (7647693)May 10, 2021 · N504DN · Airbus A350941 · Emergency EquipmentSDR DALA2021051102661Bushing · wornSHIP 3504 2L AFT GIRT BAR FITTING BUSHINGS HAVE WEAR MARKS REF AA 5121 01125. CORRECTIVE ACTION: RE WORKED. (7647692)May 10, 2021 · N504DN · Airbus A350941 · Emergency EquipmentSDR DALA2021051102660Bushing · wornSHIP 3504 DOOR 2L FWD GIRT BAR FITTING BUSHINGS HAVE WEAR MARKS REF AA 5212 01125. CORRECTIVE ACTION: REWORKED BUSHING. (7647691)May 10, 2021 · N504DN · Airbus A350941 · Emergency EquipmentSDR DALA2021051102659Bushing · wornSHIP 3504 DOOR 2R AFT GIRT BAR FITTING BUSHING HAS WEAR MARKS REF AA 5212 01125. CORRECTIVE ACTION: REWORKED BUSHING. (7647690)May 10, 2021 · N504DN · Airbus A350941 · Emergency EquipmentSDR DALA2021051102658Bushing · wornSHIP 3504 DOOR 1R GIRT BAR FWD FITTING BUSHINGS HAVE WEAR MARKS REF AA 5212 01125. CORRECTIVE ACTION: REWORKED BUSHING. (7647689)May 10, 2021 · N504DN · Airbus A350941 · Emergency EquipmentSDR DALA2021041402202Oxygen Mask · unwanted deploySHIP 3504 OXYGEN MASKS AT SEATS 25EFG FELL OUT. CORRECTIVE ACTION: STOWED MASKS AT SEATS 25EFG REF A350 AMM 35-23. (7685990)Apr 13, 2021 · N504DN · Airbus A350941 · Passenger Oxygen SystemSDR DALA2021032601805Oxygen Mask · unwanted deploySHIP 3504 O2 MASKS AT SEATS 22EF DOWN. CORRECTIVE ACTION: STOWED O2 MASKS AND RESECURED PANEL IAW A350 AMM 35-21. (7685930)Mar 25, 2021 · N504DN · Airbus A350941 · Passenger Oxygen SystemSDR DALA2021020100614Circuit Board · failedSHIP 3504 CEILING LTS INOP AND EMERGENCY LTS ON 20AB-36ABC WHEN IN ARM POSITION. CORRECTIVE ACTION: REPLACED 503XY, PCB, PER A350 AMM 24-74. EMERGENCY LIGHTS AND CEILING LTS OPS NORMAL.Jan 31, 2021 · N504DN · Airbus A350941 · Light System WiringSDR DALA2021011900342Pressure Switch · malfunctionedCABIN RED PSI PSI LIGHTS FLASH ON DOORS, CABIN SHOWS 0 PSI. CORRECTIVE ACTION: R & R BOTH DIFFERENTIAL PRESSURE SWITCHES (301MS, 302MS), REF A350 A 52-71. PERFORMED BITE TEST OF BOTH DSCS REF A350 A52-71. BOTH PASS, CHECKS GOOD.Jan 16, 2021 · N504DN · Airbus A350941 · Door Warning SystemSDR DALA2021011300204Warning Light · false activationAFTER SHUTDOWN, CABIN DOORS SHOWED PRESURIZATION RED LIGHTS WARNING. VERIFIED BOTH OUTFLOW VALVES OPENED & 0 PSI DIFFRENTIAL. CORRECTIVE ACTION: NO FAULT IN PLF. T/S PER TSM A350-A-52-71. PERFORMED BITE TEST OF THE DSCS - PASS, PER A350 AMM 52-71.Jan 11, 2021 · N504DN · Airbus A350941 · Door Warning SystemSDR DALA2021011100173Warning Light · false activationUPON ARRIVAL AT GATE ALL DOORS HAVE PRESS FLASHING LIGHT WITH ZERO CABIN PRESSURE AND OUTFLOW VALVES OPEN. REPEAT ITEM. CORRECTIVE ACTION: PERFORMED CPCS BITES OF AUTOMATIC PRESSURE CONTROL AND SEMI-AUTOMATIC PRESSURE CONTROL. BOTH TESTS PASSED. ALSO PERFORJan 8, 2021 · N504DN · Airbus A350941 · Cabin Pressure Control SystemSDR DALA2021011100172Oxygen Mask · unwanted deployROW 23 O2 PANEL DROPPED. CORRECTIVE ACTION: STOWED O2 MASKS AND SECURED THE PANEL. CHECKED NORMAL, REF A350 AMM 35-21.Jan 8, 2021 · N504DN · Airbus A350941 · Passenger Oxygen SystemSDR DALA2021011100171Display · malfunctionedAFTER LANDING, THE 1L & 1R DOOR STILL SHOWED PRESSURE, BUT THE PRESS SD SHOWED 0 PSI. GROUND CREW ALSO REPORTED PRESSURE ON THE CARGO DOOR. CORRECTIVE ACTION: CONFIRMED CABIN DELTA "P" AND CABIN ALT 0.NO ECAM MESSAGE D/M STATUS. PERFORMED BITE CPCS, TEST OKJan 8, 2021 · N504DN · Airbus A350941 · Door Warning SystemSDR DALA2021010700103Seal · out of positionATB DUE TO L1 DOOR SQUEAL AND VIBRATION. CORRECTIVE ACTION: FOUND AERODYNAMIC SEAL POPPED OUT AT THE TOP OF DOOR AND NO OTHER SEAL ISSUES FOUND. CYCLED DOOR AND VERIFIED THE PRESSURE SEAL IS IN CORRECT POSITION.Jan 6, 2021 · N504DN · Airbus A350941 · Passenger/Crew DoorsSDR DALA2020122304243Oxygen Mask · unwanted deployO2 MASK DEPLOYED AT SEAT 22D. CORRECTIVE ACTION: RE-PACKED MASK AT 22D, PER CMM 35-21-62.Dec 22, 2020 · N504DN · Airbus A350941 · Passenger Oxygen SystemSDR DALA2020121504106Pressure Switch · dirtyAFTER PARKING AT GATE IN RJTT, ALL CABIN DOORS DISPLAYED FLASHINNG RED LIGHTS, CABIN PRESSURE WAS VERIFIED AT ZERO. OUTFLOW VALVES FULL OPEN. CORRECTIVE ACTION: CONFIRMED CABIN DELTA P & CABIN ALT 0. NO ECAM MSG D/M & STATUS. PERFORMED BITE CPCS TEST OK & Dec 15, 2020 · N504DN · Airbus A350941 · Cabin Pressure Control SystemSDR DALA2020112403849Skin · wornRT OUTBOARD FLAP TRAILING EDGE LOWER SKIN WORN, REF ERA 588686-14. CORRECTIVE ACTION: REF ERA 588686-14 REF ORIG.Nov 24, 2020 · N504DN · Airbus A350941 · Trailing Edge FlapsSDR DALA2020112403848Skin · wornLT OUTBOARD FLAP TRAILING EDGE LOWER SKIN WORN, REF ERA 588685-14, SEC I, STEP 6, REV O. CORRECTIVE ACTION: REF ERA 588685-14 REV ORIG.Nov 23, 2020 · N504DN · Airbus A350941 · Trailing Edge FlapsSDR DALA2021031601473Skin · damagedSHIP 3504 DAMAGE ON THE LH IB FLAP TRAILING EDGE UPPER SKIN. CORRECTIVE ACTION: COMPLIED WITH ER/A 588651-14 PERMANENT REPAIR. (1661440)Nov 22, 2020 · N504DN · Airbus A350941 · Trailing Edge FlapsSDR DALA2020090902999Power Supply · faultedSHIP 3504 EPSU 102WL3 FAULT 335F001. CORRECTIVE ACTION: REPLACED EPSU 102WL3 REF A350 AMM 33-51.Sep 8, 2020 · N504DN · Airbus A350941 · Emergency LightingSDR DALA2020021190062Light · missingEMERGENCY SEAT MOUNTED LIGHT MISSING AT SEAT F11. REPLACED LENS. LP 1480888Feb 8, 2020 · N504DN · Airbus A350941 · Emergency LightingSDR DALA2020112503874Skin · dentedSMALL DENT WITH PENETRATION ON RT INBOARD FLAP. CORRECTIVE ACTION: SANDED AREA, REMOVED DAMAGE, APPLIED FM410-1 TO OPEN CORE, PER ASR A350-A-57-54-61. INSTALLED REPAIR DOUBLER AND APPLIED SEALANT AND RESTORED FINISH.Jun 27, 2019 · N504DN · Airbus A350941 · Trailing Edge FlapsSDR DALA2018081094972Circuit Board · faultedFLIGHT CABIN EMERGENCY EXIT LIGHT ILLUMINATED AFTER 1 HOUR IN FLIGHT. PERFORMED EPCD BIT TEST AND FOUND PCB-SPB-SPDB1 SLOT C FAULT. RESEATED SLOT C PCB AND EPDC BIT TEST NORMAL.Aug 9, 2018 · N504DN · Airbus A350941 · Light System WiringSDR DALA2018010200015Not Reported · malfunctionedEMERGENCY LIGHTS ILLUMINATED FROM DOOR 2L BACK, 8 HOURS INTO THE FLIGHT. REPLACED SSPC 506XY.Jan 1, 2018 · N504DN · Airbus A350941 · Emergency Lighting
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