N504QS

Service difficulty reports · 24

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 = 'N504QS' 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 DXTA2026092509841Light · inoperativeEMERGENCY LIGHT TOE KICK SEAT 3 INOPERATIVE. REPLACED LIGHT BAR. OPS CHKD GOOD. IAW AMM 25-20-22-10.Sep 21, 2026 · N504QS · Cessna 680A · Emergency LightingSDR DXTA2026090809597Elec Connector · misinstalledDURING PREFLIGHT, THE VERTICAL "EXIT" SIGN ON THE FRONT OF THE LAV DID NOT COME ON WITH THE EMER LIGHT SWITCH IN ANY POSITION. IT DID FINALLY COME WITH THE INTERIOR POWER SWITCH, AND OFF WITH SAME. ALL OTHER EMERY LIGHTS SEEM TO FUNCTION PROPERLY. DISCREPANCY Sep 7, 2026 · N504QS · Cessna 680A · Light System WiringSDR JGVR20251113001Tunnel Wall · corrodedBLENDED CORRODED AREAS OF THE NOSE LANDING GEAR TUNNEL, PERFORMED NDT, AND REPORTED FOR REPAIR DISPOSITION. FABRICATED AND INSTALLED REPAIR DOUBLERS AS REQUIRED TO ENGINEERING ORDER.Nov 13, 2025 · N504QS · Cessna 680A · Fuselage Main, StructureSDR DXTA2025061703913Handle · bindingTHE MCD HANDLE IS HARD TO OPERATE REQUIRING EXCESSIVE UPWARD FORCE ON THE HANDLE TO GET IT TO RELEASE. THE LATCH MAKES A POPPING SOUND AS THOUGH THE LOCKS ARE UNDER PRESSURE. WITH THE DOOR HANDLE IN THE UP POSITION YOU HAVE TO PUSH THE DOOR TO GET IT TO FREE FJun 15, 2025 · N504QS · Cessna 680A · Passenger/Crew DoorsSDR DXTA2025043003248Pdu · faultedFLAPS FAIL AMBER CAS: FLAPS FAIL SELECTING FLAPS 2. RAN CHECKLIST AND FAILED AGAIN AFTER USING FLAP RESET. CORRECTIVE ACTION: PERFORMED FLAP SYSTEM TROUBLESHOOTING, FOUND BITE 2 FAULT CODE ON FLAP CONTROLLER. DETERMINED THAT FLAP PDU REQUIRES REPLACEMENT. ALLApr 27, 2025 · N504QS · Cessna 680A · Trailing Edge Flap Control SystemSDR DXTA2025040402941Controller · faultedFLAPS FAIL AMBER CAS: AFTER TAKEOFF, FLAPS WERE SELECTED UP AT FRA (FROM FLAPS 1). FLAPS FAIL CAS POSTED AND WE FOLLOWED THE FLAP FAIL APPROACH/LANDING QRC. FLAPS DID NOT RETRACT. WE RETURNED TO THE DEPARTURE AIRPORT AND LANDED WITH FLAPS 1. CORRECTIVE ACTION:Apr 4, 2025 · N504QS · Cessna 680A · Trailing Edge Flap Control SystemSDR DXTA2025031002578Probe · defectiveFUEL IMBALANCE AMBER CAS: IN CRUISE AT FL 400 LEFT TANK WAS 440 LBS LOWER THAN RIGHT. FUEL FLOWS WERE SAME. CROSSFED RIGHT TO LEFT TO BALANCE TANK. TOOK CROSSFEED OFF AND THEN FUEL WAS ONLY. IRNING OUT OF RIGHT TANK. IT GOT TO 300 INBALANCE AND I CROSSFED AGAMar 4, 2025 · N504QS · Cessna 680A · Aircraft Fuel Distribution SystemSDR DXTA2025012702103Seal · dirtyMAIN DOOR: MAIN CABIN DOOR WILL NOT FREEFALL AUTOMATICALLY WHEN TRYING TO OPEN FROM BOTH THE INSIDE AND OUTSIDE. WE HAD TO PULL IT AWAY FROM THE FRAME TO GET IT TO COME DOWN. WHEN TRYING TO OPEN FROM THE INSIDE, YOU HAVE TO PUSH ON THE STAIRS PRETTY HARD TO GEJan 25, 2025 · N504QS · Cessna 680A · Passenger/Crew DoorsSDR DXTA2024013010755Uplock Switch · out of adjustRIGHT MAIN GEAR DISAGREE ILLUMINATED DURING LANDING GEAR RETRACTION. DOWNLOADED ARIES TO TEXTRON FOR INTERROGATION OF CMC CHECKED LIVE VIEW FOR ANY WOW SWITCH ISSUES, NO ISSUES PRESENT. FOUND EMERGENCY GEAR EXTENSION BLOWDOWN BOTTLE IN DISCHARGE POSITION AND CJan 30, 2024 · N504QS · Cessna 680A · Landing Gear Position and WarningSDR DXTA2023110699740Unknown · unknownEMERGENCY LIGHTING: ALL INTERIOR AND EXTERIOR EMERGENCY LIGHTS ARE INOP WITH THE EMER LIGHT SWITCH IN ON. USED APU AND ALLOWED THE EMERGENCY LIGHT BATTERIES TO CHARGE FOR 60 MINUTES. PERFORMED DISCHARGE OF THE EMERGENCY LIGHT POWER SUPPLY BATTERY PACKS. MONITNov 4, 2023 · N504QS · Cessna 680A · Emergency LightingSDR DXTA2023103099010Unknown · unknownCOLD DARK AIRPLANE. PERFORM THE EMER LIGHT TEST AND WHEN SWITCH IS MOVED TO ON ALL EMER LIGHTS IN CANIN WORK EXCEPT FOR LOWER EXIT LIGHTS AT THE MAIN CABIN DOOR. WHEN SWITCH IS MOVED TO ARM, ALL EMER LIGHTS GO OUT. AFTER CHARGING THE PACKS OFF THE APU FOR TWENOct 27, 2023 · N504QS · Cessna 680A · Emergency LightingSDR DXTA2023100497240Unknown · unknownCABIN EMERG LIGHT: SEAT 10 EMERGENCY FLOOR LIGHTING INOP. PERFOMED OPERATIONAL CHECK OF THE EMERGANCY LIGHTING BATTERIES, AND DURING THE TEST IT WAS NOTED THAT THE #10 SEAT FLOOR LIGHT DID ILLUMINATE AND STAYED LIT FOR THE DURATION OF THE OPERATIONAL CHECK. NOct 3, 2023 · N504QS · Cessna 680A · Emergency LightingSDR DXTA2023071490890Light · defectiveEMERGENCY EXIT LIGHTING UNDER SEAT 10 WILL NOT ILLUMINATE WITH EMERGENCY LIGHT SWITCH TO ARM. WILL ILLUMINATE AT TIMES WITH PAX SAFETY SWITCH ON ON SHIPS POWER. REMOVED LED FLOOD LIGHT UNDER #10 SEAT DUE TO INTERMITTENT OPERATION AND REPLACED WITH NEW PART OJul 14, 2023 · N504QS · Cessna 680A · Emergency LightingSDR DXTA2021121353360Proximity Switch · defectiveMAIN DOOR: AFTER STARTING THE FIRST ENGINE WITH THE MAIN CABIN DOOR CLOSED, THE CABIN DOOR OPEN CAS MESSAGE WOULD CYCLE ON AND OFF REPEATEDLY AND WE COULD HEAR THE DOOR SOLENOID CYCLING. AFTER ENGINE SHUTDOWN AND THE APU STILL RUNNING, THE CAS MESSAGE CONTINUEDec 11, 2021 · N504QS · Cessna 680A · Passenger/Crew DoorsSDR DXTA2021120853160Monitor · defectiveMAIN DOOR: CABIN DOOR OPEN CAS MESSAGE WITH DOOR SOLENOID CYCLING REPEATEDLY WITH DOOR CLOSED. // SIGNOFF // POWERED UP AIRCRAFT AND OPERATED 'THE DOOR SEVERAL TIMES WITH NO DEFECTS NOTED, CHECKED FAULT HLSTORY WITH NO RELATED MESSAGES, REMOVED STEPS AND ACCEDec 7, 2021 · N504QS · Cessna 680A · Passenger/Crew DoorsSDR DXTA2021110851520Radome · noneRADOME: ON TAKEOFF WE STRUCK A LARGE BIRD. SIGNIFICANT DAMAGE IS LOCATED ON THE RADOME. PART OF THE BIRDS REMAINS ARE LODGED IN THE RADOME. THE GLIDESLOPE WAS INOPERATIVE ON OUR VISUAL APPROACH. TOWER WAS UNAWARE OF ANY GLIDESLOPE OUTAGE. BIRD SPLATTER IS ALSONov 7, 2021 · N504QS · Cessna 680A · Aerodynamic FairingsSDR 2021F00203Skin · damagedTAIL CONE SKIN (LEFT SIDE) DAMAGE. ACCOMPLISHED ENGINEERING DQ31887M1 DATED OCTOBER 13TH, 2021, 680A-0041 (N504QS) TAILCONE SKIN (LEFT SIDE) DAMAGE (FASTENER REMOVAL NICKED SKIN)Oct 14, 2021 · N504QS · Cessna 680A · Aerodynamic FairingsSDR DXTA022520213861Connector · unsecureFIRE DETECT FAIL L AMBER CAS: FIRE DETECT FAIL AMBER CAS ILLUMINATED FOR ABOUT 10 SECONDS UPON DESCENT INTO COLUMBUS.// SIGN OFF // UPON INITIAL INSPECTION OF LH ENGINE FIRE LOOP CANNON PLUG TO NOT BE FULLY TIGHTENED DOWN. SUSPECT THE LOOSE CANNON PLUG COUPLEDFeb 24, 2021 · N504QS · Cessna 680A · Fire Protection System WiringSDR DXTA022320213849Landing Gear · malfunctionedGEAR DISAGREE R AMBER CAS: AIRCRAFT SAT IN SUB-FREEZING WEATHER ALL NIGHT PRIOR TO OUR DEPARTURE. AMBER GEAR DISAGREE RIGHT CAS ILLUMINATED UPON GEAR RETRACTION AFTER TAKEOFF. OBSERVED GRAY" X "OVER R [T2PL6D0082YZP] // SIGN OFF // PERFORMED THE ARES DOWNLOAFeb 21, 2021 · N504QS · Cessna 680A · Landing Gear Position and WarningSDR DXTA022220213849Warning Message · illuminatedGEAR DISAGREE R AMBER CAS: AIRCRAFT SAT IN SUB-FREEZING WEATHER ALL NIGHT PRIOR TO OUR DEPARTURE. AMBER GEAR DISAGREE RIGHT CAS ILLUMINATED UPON GEAR RETRACTION AFTER TAKEOFF. OBSERVED GRAY" X "OVER R [T2PL6D0082YZP].Feb 21, 2021 · N504QS · Cessna 680A · Landing Gear Position and WarningSDR 2020F00351Doubler · crackedCRACK DAMAGE, NOSE LANDING GEAR WHEEL WELL (NWW), FRAME, WEB, AND DOUBLERS, FS 75. ACCOMPLISHED TEXTRON AVIATION FIELD REPAIR SR-680A-ATA53-25890 REV- DATED JUNE 1, 2020 AND 8100-9 DATED 6/1/2020; STANDARD REPAIR - CRACK DAMAGE, NOSE LANDING GEAR WHEEL WELL (NJul 29, 2020 · N504QS · Cessna 680A · Fuselage Main, StructureSDR 2020F00129Drag Angle · corrodedREPAIR TO LEFT FUSELAGE OVER-WING DRAG ANGLE CORROSION. TEXTRON AVIATION ENGINEERING REPAIR MEMO DQ24107M1 DATED DEC. 11, 2019.Dec 13, 2019 · N504QS · Cessna 680A · Fuselage Miscellaneous StructureSDR DXTA2018080821212Pushrod · not reportedAT 11000 FEET, AIRCRAFT ACCELERATING THROUGH 270 KNOTS, AIRCRAFT STARTED VIBRATING. AT 300 KNOTS YOKE STARTED BOUNCING FORWARD AND AFT 3-6 INCHES. NOTICED WINGS VIBRATING AT A HIGH FREQUENCY AS WELL. SLOWED AIRCRAFT DOWN TO 200 KNOTS AND VIBRATION WAS ONLY SLJul 20, 2018 · N504QS · Cessna 680SOV · Elevator Control SystemSDR DXTA201710300001Duct · damagedIN FLIGHT COULD NOT CONTROL TEMPERATURES, GOT HOT, THEN A BURNING ODOR, ON TOUCH DOWN THE ACM TEMP EICAS MESSAGE WAS DISPLAYED. FOUND APU RESTRICTOR DAMAGED. REPLACED DUCT, COUPLINGS AND O-RINGS.Oct 28, 2017 · N504QS · Cessna 680CE · Air Conditioning System
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