N634QS, cancelled Aug 8, 2025

Service difficulty reports · 25

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 = 'N634QS' AND deregistration_id = 'N634QS-2025-08-08'
  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 DXTA2025052103535Eec · defectiveAT 80 KNOTS, THE EEC L ANNUNCIATOR ILLUMINATED WITH A LEFT ENGINE REDUCTION OF THRUST. TAKE OFF WAS ABORTED. CORRECTIVE ACTION; REPLACED DEFECTIVE EEC REF. 5455B EMM 71-00-00. NO DEFECTS NOTED.May 17, 2025 · N634QS · Cessna 560XL · Fuel Controlling SystemSDR DXTA2025050303336Rheostat · failedCOCKPIT FLOOD LIGHT: WITH APU RUNNING TRIED TO DIM THE FLOOD LIGHTS WITH THE RHEOSTAT KNOB. RESULTED IN A BRIGHT FLASH BEHIND THE KNOB, BURNING ODOR, AND THE CIRCUIT BREAKER POPPING CORRECTIVE ACTION: GAINED ACCESS TO FLOOD LIGHT RHEOSTAT BY REMOVING SWITCH PAMay 3, 2025 · N634QS · Cessna 560XL · Flight Compartment LightingSDR DXTA2025032002719Windshield · failedCAPTAIN COCKPIT WINDOW: CLIMBING THROUGH 30,000' PILOT SIDE FRONT WINDSHIELD SHATTERED. IT APPEARS TO BE THE OUTER PANE. CORRECTIVE ACTION; REPLACED FAILED PILOTS SIDE WINDSHIELD IAW CE560XLS MM 56-11-00. OPS AND LEAK CHECK GOOD.Mar 16, 2025 · N634QS · Cessna 560XL · Flight Compartment WindowsSDR DXTA2023072891840Unknown · unknownCABIN EMERG LIGHT: BOTH FORWARD AND AFT HALF OF THE EMERGENCY LIGHTING SYSTEM EXIT SIGNS APPEARED DIM. CHECKED LIGHTS ON EMERGENCY BATTERIES ONLY AND ALL LED EXIT SIGNS ARE UNLIT. PLEASE EVALUATE BOTH BATTERY PACKS FOR EMERGENCY LIGHTING. REMOVED DEFECTIVE AJul 27, 2023 · N634QS · Cessna 560XL · Emergency LightingSDR DXTA2022112874890Pin · out of adjustMAIN DOOR TELESCOPING ROD: ENTRY DOOR IS EXTREMELY DIFFICULT TO OPEN. THE DOOR PINS APPEAR TO NOT BE RETRACTING ALL THE WAY. // SIGNOFF// OPERATED THE DOOR AND DISCOVERED THE PINS BINDING AND A INTERFERENCE FIT ON THE TOP FWD SIDE OF THE DOOR. REMOVED THE DOORNov 26, 2022 · N634QS · Cessna 560XL · Passenger/Crew DoorsSDR DXTA2022032959220Not Reported · not reportedNLG LANDING GEAR RETRACTION: INFLIGHT, AFTER GEAR RETRACTION RED UNLOCK LIGHT REMAINS ILLUMINATED. ALL 3 GREEN DOWN LIGHTS WERE EXTINGUISHED.//CORRECTIVE ACTION//JACKED UP AIRCRAFT. CHECKED NOSE STRUT EXTENSION AND FOUND TO BE AT THE CORRECT DIMENSION OF 9.1Mar 29, 2022 · N634QS · Cessna 560XL · Landing Gear Retraction/Extension SystemSDR DXTA2022022156980Uplock Switch · abnormalNLG LANDING GEAR UNLOCK LIGHT: AFTER TAKEOFF WE GOT AN UNLOCK RED ANNUNCIATOR AFTER GEAR RETRACTION. SOON AFTER A STAB MISCOMPARE AND HYD PRESS AND MASTER CAUTION ANNUNCIATORS CAME ON. WE RAN THE GEAR ABNORMAL CHECKLIST. WE EXTENDED THE LANDING GEAR AND THEFeb 18, 2022 · N634QS · Cessna 560XL · Landing Gear Position and WarningSDR DXTA2021032539970Coalescer Bag · dirtyAIR CONDITIONING COMPRESSOR: WITH APU BLEED AIR RUNNING, THERE WAS A DIRTY SOCK SMELL IN THE AFT CABIN AREA. POWERED UP AIRCRAFT WITH APU. CONFIRMED WITH APU BLEED AIR THERE IS A SMELL TO THE AIR COMING FROM THE DUCTS. ACCOMPLISHED TC-5XL-21-120902M ENVIRONMEMar 24, 2021 · N634QS · Cessna 560XL · Humidity Control SystemSDR DXTA2020120504436Seal · malfunctionedMAIN CABIN DOOR WOULD NOT OPEN FOR APPROXIMATELY 3 MINUTES DUE TO ACOUSTIC SEAL NOT DEFLATING. WE WERE ABLE TO OPEN THE DOOR USING MORE FORCE THEN TYPICALLY NEEDED TO DEPLANE PAX. SIGN OFF. INSPECTED/CHECKED CABIN DOOR SEAL AND VALVE OPERATIONS, NO DEFECTS Dec 5, 2020 · N634QS · Cessna 560XL · Passenger/Crew DoorsSDR DXTA2020082804031Uplock Switch · out of adjustAFTER TAKEOFF THE LANDING GEAR WOULD NOT RETRACT. THE RED UNLOCK LIGHT WAS ILLUMINATED AND THE GREEN NOSE GEAR LIGHT WERE ILLUMINATED, BUT THE LT AND RT GREEN LIGHTS WERE EXTINGUISHED. WE COMPLETED THE QRH AND NO CIRCUIT BREAKERS WERE POPPED. WE RETURNED TOAug 28, 2020 · N634QS · Cessna 560XL · Landing Gear Position and WarningSDR DXTA2019120603170Unknown · odorDURING DEPARTURE WITH APU ON AND APU BLEED AIR ON , HAD A STRONG SMELL OF JET A COMING THRU VENTS IN CABIN. AND COCKPIT. WE SHUT THE APU AND BLEED AIR OFF AND SMELLED REMAINED. WE TURNED THE SOURCE TO OFF TO ISOLATE, THE SMELL OF JET A STOPPED AFTER SOURCDec 6, 2019 · N634QS · Cessna 560XL · Air Distribution SystemSDR DXTA2017030206377Coffeemaker · failedON DESCENT INTO DESTINATION, SMELLED AN ODOR. ON SHUTDOWN THE COFFEE POT AS WELL AS THE WATER POT WERE EXTREMELY HOT WITH THE SWITCHES IN THE OFF POSITION. INSPECTED SWITCHES, WIRING AND CONNECTORS FOR UPPER AND LOWER HOT LIQUID TANKS. NO DEFECTS NOTED. FOUNMar 2, 2017 · N634QS · Cessna 560XL · Buffet/GalleysSDR DXTA2016123006352Outflow Valve · failedAT FL400 CABIN ALTITUDE WARNING ILLUMINATED. CABIN ALT INCREASED TO FL 200. CABIN ALTITUDE STABILIZED PASSING 10000 FEET. ACCOMPLISHED PRESSURE CHECK OF SERVICE AIR SYSTEM AT OUTFLOW VALVE AND FOUND SYSTEM TO PROVIDE 23 PSI WHICH IS CORRECT. ACCOMPLISHED ELEDec 29, 2016 · N634QS · Cessna 560XL · Pressure Regulator/Outflow ValveSDR DXTA2016082606292Engine · malfunctionedRIGHT ENGINE HAD A LOUD BANG AND RED LINED ITT AT ABOUT 500' AFTER TAKEOFF. REDUCED POWER TO IDLE. ENGINE CONTINUED TO RUN AT IDLE WITH AN ITT ABOUT 600 AND A LOUD WHINE. CONTINUED WITH IN FLIGHT PRECAUTIONARY SHUTDOWN. ENGINE VIBRATION ANNUNCIATOR WAS ALSAug 26, 2016 · N634QS · Cessna 560XL · Engine (Turbine/Turboprop)SDR DXTA2015012605969Unknown · odorAFTER ROTATION & TAKEOFF THERE WAS A STRONG PLASTIC SMELL THAT SEEMED TO BE COMING FROM WEMACS. APU WAS SHUT OFF PRIOR TO TAKEOFF. AT 2000' MSL RE-ENTERED THE PATTERN & LANDED UNEVENTFULLY. SMELLED SEEMED TO DISSIPATE WHEN WEIGHT WAS ON WHEELS. RAN APU WITJan 25, 2015 · N634QS · Cessna 560XL · Air Distribution SystemSDR DXTA2012042304957Trimmer · looseAFTER TAKEOFF, ACFT WANTED TO PITCH UP EXCESSIVELY. WITH GEAR AND FLAPS UP AND APPROX 170 KIAS, YOKE REQUIRED APPROX 50LBS FORCE TO HOLD YOKE FORWARD. MANUALLY ROLLED PITCH TRIM WHEEL FULL FORWARD WHICH ZEROED CONTROL FORCES ON YOKE. AFTER LANDING FOUND PITCApr 22, 2012 · N634QS · Cessna 560XL · Elevator Control SystemSDR DXTA2010112304317Actuator · failedON TAXI OUT, GEAR WARNING SOUNDED. LOOKED DOWN AT THE GEAR POSITION INDICATIONS TO SEE THE RT GREEN GEAR LIGHT OUT, AND THE RED UNLOCK LIGHT ILLUMINATED. ACFT WAS STOPPED STRAIGHT AHEAD, WARNING HORN CEASED, AND AGAIN HAD 3 GREEN AND NO RED LIGHTS. ACFT WASNov 22, 2010 · N634QS · Cessna 560XL · Landing Gear ActuatorSDR DXTA2009120803888Lamp · intermittentON APPROACH, LT MAIN GEAR DOWN INDICATOR DID NOT ILLUMINATE. ACCOMPLISHED ABNORMAL "GEAR WOULD NOT EXTEND" CHECKLIST. BOTTLE WAS DISCHARGED IAW CHECKLIST; UNEVENTFUL LANDING. NO LT GEAR INDICATION UNTIL AFTER LANDING. AN INSPECTION FOUND LT MAIN GEAR DOWN INDec 8, 2009 · N634QS · Cessna 560XL · Landing Gear Position and WarningSDR DXTA2009102203821Display · failedPFD 1 FAIL ANNUNCIATOR ILLUMINATED INFLIGHT FOLLOWED BY FLICKERING PFD 1. SHORTLY THEREAFTER, DETECTED BURNED ELECTRICAL ODOR AND, AFTER LANDING, VISIBLE SMOKE. REMOVED PILOTS PFD AND FOUND IT TO SMELL SMOKEY INSIDE FROM VENT HOLES. REPLACED WITH REPAIRED UNIOct 21, 2009 · N634QS · Cessna 560XL · Central DisplaySDR DXTA200803147Metering Valve · inoperativeWHILE TAXIING, THE LT TOE BRAKE WENT TO THE FLOOR (LOSS OF LT TOE BRAKE) DURING A LT PIVOT TURN (FULL LT RUDDER) TO PARK ON THE RAMP. RT TOE BRAKE WAS NORMAL FROM LT SEAT. TROUBLESHOT TO BAD METERING VALVE. REMOVED BAD METERING VALVE AND INSTALLED A NEW BRAKEJun 27, 2008 · N634QS · Cessna 560CESSNA · Landing Gear Brake SystemSDR CWQR200805Air Duct · crackedDURING A PHASE 1-4 INSPECTION THE PRECOOLER EXHAUST DUCT WELD ASSEMBLIES WERE FOUND TO BE CRACKED IN THE LEFT AND RIGHT PYLON. THE LEFT HAD TWO CRACKS AND THE RIGHT HAD THREE CRACKS. A SERVICE CONDITION REPORT HAS BEEN SENT TO CESSNA UNDER #362539 FOR THE LEJun 2, 2008 · N634QS · Cessna 560XL · Pneumatic Distribution SystemSDR DXTA200702691Brake Assy · malfunctionedCO-PILOTS RT BRAKE FADES TO STOP AND WILL NOT HOLD . TAXIED AIRCRAFT AROUND RAMP AND PERFORMED SEVERAL BRAKE CHECKS USING PILOT'S AND CO-PILOT'S BRAKES WITH NO DEFECTS NOTED. MADE SEVERAL TURNS USING AIRCRAFT RUDDER PEDALS ONLY WITH NO DEFECTS BEING NOTED. INDec 19, 2007 · N634QS · Cessna 560XL · Landing Gear Brake SystemSDR DXTA200702105Indication Sys · malfunctionedNO (GREEN) LIGHT ON RT MAIN LANDING GEAR UPON EXTENSION. EMERGENCY PROCEDURES FOLLOWED AND BOTTLE WAS BLOWN, STILL NO GREEN LIGHT.Apr 12, 2007 · N634QS · Cessna 560XL · Landing Gear Position and WarningSDR DXTA200601780Tire · damagedNOSE WHEEL HAS DAMAGED TREAD FOLLOWING SEVERE SHIMMY AT 40 KTS DURING TAKEOFF ROLL. NOSE WHEEL STEERING PIN WAS NOT INSTALLED. REMOVED AND REPLACED NOSE WHEEL AND TIRE ASSY IAW MM 32-41-01 SERVICED TIRE TO CORRECT PRESSURE.Dec 4, 2006 · N634QS · Cessna 560XL · TireSDR DXTA200601525Warning Light · illuminatedAT 85 KNOTS, LT ENGINE OIL PRESS ILLUMINATED ON T/O ROLL WITH MASTER WARN LIGHT. PSI INDICATED ZERO AND O/T ABORTED. TURNING OFF RUNWAY WITH ENGINES AT IDLE, BOTH ENGINES APPEARED TO HAVE NORMAL PSI. ENGINE WAS SHUTDOWN AFTER TURNING OFF RUNWAY. OIL LEVEL Jul 28, 2006 · N634QS · Cessna 560XL · Engine Oil Pressure
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