N950QS

Service difficulty reports not matched to an aircraft · 28

They name N950QS, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. 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 = 'N950QS' AND registry_match IS NULL
  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 DXTA2012073005063Brake Assy · failedCAPTAINS RIGHT BRAKE PEDAL IS SOFT. IT REQUIRES ALMOST TWICE THE FORCE AS THE LEFT. R & R BOTH RT INBD MLG BRAKE AND OTBD MLG BRAKE WITH O/H BRAKES. OPS AND LEAK CHECK GOOD. PERFORMED TAXI CHECK. TAXI CHECK GOOD. WORK PERFORMED IAW MM 32-42-07. AFTER REPLACJul 28, 2012 · N950QS · Cessna 750 · Landing Gear Brake SystemSDR DXTA2011081204702Brake · dirtyWHEN MLG BRAKES ARE APPLIED, A VERY LOUD GRIND/GROAN IS FELT AND HEARD THROUGHT AIRFRAME. WHEN BRAKES WERE APPLIED FOR LANDING, RT BRAKE WAS MUSHY AS COMPARED TO LT BRAKE. REMOVED RT MLG WHEELS AND CLEANED BOTH RT BRAKES AND BLED RT BRAKE SYS IAW MM 32-42-00Aug 11, 2011 · N950QS · Cessna 750 · BrakeSDR DXTA2009012803476Warning Light · false activationFUEL FILTER BYPASS LT AMBER CAS MSG IN FLIGHT. INSP THE LT ENG FUEL FILTER. NO DEFECTS NOTED. REINSTALLED SAME. NO FILTER BYPASS CAS MESSAGE WAS FOUND ON INSP. PERFORMED FUNCTIONAL TEST OF FUEL FILTER PYPASS INDICATING SYS IAW MM CH 73-37-10. OPS CHECKS Jan 28, 2009 · N950QS · Cessna 750 · Central WarningSDR DXTA2009012903476Warning Light · illuminatedFUEL FILTER BYPASS L AMBER CAS MSG IN FLIGHT.Jan 28, 2009 · N950QS · Cessna 750 · Central WarningSDR DXTA2009010803464Uplock Switch · out of adjustAT FL 430 AFTER 4.0 HOURS OF FLT TIME, NOSE GEAR EXTENDED AND RETRACTED (BUMP). NO LIGHTS WERE NOTICED. COMPLIED WITH GEAR BUMP TROUBLESHOOTING CHECKLIST. FOUND LT AND RT MAIN GEAR UPLOCK SWITCHES OUT OF ADJUSTMENT. ADJUSTED SWITCHES AND PERFORMED NUMEROUS Jan 8, 2009 · N950QS · Cessna 750 · Landing Gear Position and WarningSDR DXTA2009010903464Landing Gear · malfunctionedAT FL 430 AFTER 4.0 HOURS OF FLT. TIME, NOSE GEAR EXTENDED AND RETRACTED (BUMP). NO LIGHTS WERE NOTICED.Jan 8, 2009 · N950QS · Cessna 750 · Landing Gear Retraction/Extension SystemSDR DXTA2008102903324Pitot Tube · obstructedON TAKEOFF ROLL AT 65 KTS, MASTER CAUTION "YD OFF LWR" EICAS MESSAGE. ABORTED T/O. INSPECTED PITOT TUBES; FOUND RT PITOT TUBE PLUGGED FROM A MUD DOBBER. REMOVED RT PITOT TUBE, CLEANED DEBRIS, REINSTALLED AND COMPLETED PITOT/STATIC SYS LEAK CHECK IAW FAR 91.Oct 28, 2008 · N950QS · Cessna 750 · Pitot/Static SystemSDR DXTA2008102303314Warning Light · illuminatedON TAKEOFF ROLL <80 KNOTS AMBER YD OFF LOWER LIGHT. UNABLE TO DUPLICATE DISCREPANCY. FAULT 1303 "AFCS DISCONNECT" LOGGED IN IMT. PERFORMED NECESSARY POWER CHECKS TO NR 1 AND NR 2 IAC'S. NO DEFECTS NOTED. "YD" SYS OPS CHECK GOOD IN CHANNEL "A" AND "B" IAW MM,Oct 22, 2008 · N950QS · Cessna 750 · Central WarningSDR DXTA200808153227Trim System · malfunctionedCLIMBING THROUGH FL230 AT 270 KNOTS INDICATED, "RETRIM L WING DOWN" AP DISENGAGED & ACFT REQUIRED 50 PERCENT LT AILERON TRIM. TRIM STAYED 50 % LT UNTIL DESCENT WHEN WE HAD A "RETRIM R WING DOWN" AT FL200, 340 KIAS. FUEL BALANCED WITH ZERO CTR FUEL AT ALL TIMEAug 15, 2008 · N950QS · Cessna 750 · Aileron Control SystemSDR DXTA200803227Trim System · malfunctionedCLIMBING THROUGH FL230 AT 270 KNOTS INDICATED, "RETRIM L WING DOWN" AT THE TIME THE AP WAS DISENGAGED, AND THE ACFT REQUIRED 50 PERCENT LT AILERON TRIM. (S)Aug 15, 2008 · N950QS · Cessna 750 · Aileron Tab Control SystemSDR DXTA200803151Valve · out of adjustAMBER "CABIN ALT" MSG DISPLAYED W/CABIN ALTITUDE INDICATING 10,000FT AT FL450. PAX OXYGEN WAS USED; EMER DESCENT WAS INITIATED. PERFORMED BAGG DOOR SEAL T/S CHECKLIST DUE TO BAGG DOOR SEAL MSG. PURGED SERVICE AIR SYS AND FOUND CARGO DOOR SEAL VALVE OUT OF ADJun 28, 2008 · N950QS · Cessna 750 · Cargo/Baggage DoorsSDR DXTA200803106Unknown · fumesCREW NOTED FUMES IN COCKPIT WHILE LEVEL AT FL350. REMOVED AFT ECU ASSEMBLY. REMOVED ACM FLAN AFT ECU, WORK DONE PER MM 21-51-00. REMOVED S/N: 200012231 1607.3 HOURS 942 CYCLES. REMOVED AFT ACM COALESCER CLOTH & CLEANED PER MM 12-10-01. INSTALLED ACM/ECU, RAJun 8, 2008 · N950QS · Cessna 750 · Air Distribution SystemSDR DXTA200803066Computer · false activationAT CRUISE ALTITUDE FL410 A PULSATING THUMP COULD BE FELT IN BOTH CONTROL COLUMNS. INSPECTED, ALL PANELS, FLT CONTROLS DOORS ETC. NO DEFECTS NOTED. REMOVED AND REPLACED RT AOA COMPUTER IAW MM 34-14-01 C/W FT OF AOA SYSTEM PER SAME OPS CHECK GOOD.May 18, 2008 · N950QS · Cessna 750 · Control Column SectionSDR DXTA20082902Flap System · malfunctionedFLAPS AND SLATS FAILED IN UP POSITION. COMPLIED WITH MECHANICAL AND ELECTRIC RIG CHECKS OF FLAPS. COMPLIED WITH TORQUE CHECK OF PDU, CHECKED GOOD. INSPECTED IB FLAP CABLES LT AND RT. NO DEFECTS FOUND. QUICK FROZE BOTH RESOLVERS, RAN FLAPS NO DEFECTS. APPLIEDFeb 27, 2008 · N950QS · Cessna 750 · Trailing Edge Flap Control SystemSDR DXTA200802809Pressure Switch · inoperativeON THE TAKEOFF ROLL THE HP DUCT (O) PRESSURE RT ILLUMINATED. REPLACED FAILED RT HP DUCT OVER-PRESSURE SWITCH WITH NEW IAW CHAPTER 30-10-00 OF THE MM. OPERATONAL CHECK OK.Jan 30, 2008 · N950QS · Cessna 750 · Pneumatic Indicating SystemSDR DXTA200802774Strut · underservicedAFTER TAKEOFF THE RED GEAR UNLOCK LIGHT REMAINED ILLUMINATED. TROUBLESHOT. SERVICED THE HYD AND PNEUMATIC SIDE OF NOSE STRUT IAW CE 750 MM CHAP 12-10-38 GEAR SWINGS CHECK GOODJan 17, 2008 · N950QS · Cessna 750 · Main Landing Gear Strut/Axle/TruckSDR DXTA200702732Drive Unit · inoperativeWHEN SELECTING FLAPS TO 5 DEGREES, (FLAP FAIL) CAS MSG CAME ON. TROUBLESHOT TO BAD PDU CLUTCH. REMOVED, REPLACED AND OPS CHECK GOOD OF PDU IAW 750 MM 27-52-00.Dec 31, 2007 · N950QS · Cessna 750 · Trailing Edge Flap Control SystemSDR DXTA200702485Strut · dischargedLANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. 09-28-07 FOUND NOSE STRUT FLAT AND WOULD NOT EXTEND TO MAKE SQUAT SWITCH. REPACKED NOSE STRUT AND SERVICED. CYCLED GEAR. OPS CHECK GOOD IAW C750 MM 32-20-02.Sep 18, 2007 · N950QS · Cessna 750 · Nose/Tail Landing Gear Strut/AxleSDR DXTA200702359Brake Assy · weakTO GET EVEN BRAKING FROM THE CAPTAINS BRAKE PEDALS, THE RT PEDAL MUST BE PUSHED DOWN APPROX TWICE AS MUCH AS THE LT. THE CO-PILOTS PEDALS ARE THE SAME EXCEPT THE SPLIT IS MUCH LESS. [08-23-07] INSPECTED POWER BRAKE METERING VALVE. NO DEFECTS NOTED. PERFORMJul 29, 2007 · N950QS · Cessna 750 · Landing Gear Brake SystemSDR DXTA200701914Unknown · unknownAFTER TAKEOFF, GEAR DID NOT RETRACT. SHORTLY THERE AFTER RECEIVED (HYD PUMP FAIL A) CAS MESSAGE. SECONDS LATER THE (PTU FAIL) CAS MESSAGE BEGAN CYCLING. WHILE RUNNING THE (HYD PUMP FAIL A) CHECKLIST THE GEAR RETRACTED ON ITS OWN AND THE CAS MESSAGES EXTINGUFeb 1, 2007 · N950QS · Cessna 750 · Landing Gear Retraction/Extension SystemSDR DXTA200701847Wheel · out of balanceWHILE ACCELERATING THROUGH 50 KTS DURING TAKEOFF ROLL, EXPERIENCED AN EXTREME NOSE WHEEL SHIMMY, WHICH CAUSED THE AIRCRAFT TO SHAKE AND VIBRATE HARSALLY, TAKEOFF WAS ABORTED.REMOVED LT NOSE WHEEL P/N 3-1538-1; S/N 0513/0513 AND INSTALLED OVH P/N 3-1538-1; S/N Jan 10, 2007 · N950QS · Cessna 750 · Nose/Tail Landing GearSDR DXTA200400355Actuator · malfunctionedWHILE IN CRUISE FLIGHT, AT FL310 AT MACH .86, CABIN PRESSURE DIFFERENTIAL AT 8.6 PSI, THE NOSE GEAR CYCLED DOWN AND UP. HAD RED UNLOCK LIGHT FLASHED MOMENTARILY THEN OUT. ITEM IS UNDER INVESTIGATION. CONNECTED DMU UNIT AND MONITORED LANDING GEAR LOGIC MODUAug 5, 2004 · N950QS · Cessna 750 · Landing Gear Retraction/Extension SystemSDR DXTA200400348Uplock Switch · out of adjustCLIMBING THROUGH FL390 NOSE LANDING GEAR CYCLED 5 TO 8 TIMES (VERY HARD) GEAR LIGHT CAME ON DURING EACH CYCLE. DESCENDED AND AT 8000 AND 250 KTS ONE MORE CYCLE. COMPLIED WITH LANDING GEAR CONTROL VALVE / MANIFOLD BLEED RATE CHECKLIST, DURING INSPECTION FOUNDJul 25, 2004 · N950QS · Cessna 750 · Landing Gear Position and WarningSDR DXTA200400347Uplock Switch · dirtyNOSE LANDING GEAR CYCLED IN FLIGHT AT FL430 & FL240, NOSE GEAR UNLOCK LIGHT ILLUMINATED FOR ABOUT 3 SECONDS. CLEANED NOSE GEAR AND MAIN GEAR UPLOCK SWITCHES CONNECTORS WITH CONTACT CLEANER, ADJUSTED NOSE GEAR UPLOCK SWITCHES, CYCLED LANDING GEAR SEVERAL TIMESJul 23, 2004 · N950QS · Cessna 750 · Landing Gear Position and WarningSDR DXTA200400342Manifold · failedLANDING GEAR CYCLED IN FLIGHT AT FL 430 AND FL120 UNLOCK LIGHT ILLUMINATED THEN WENT OUT AFTER 1 MINUTE. TROUBLESHOT TO FAULTY LANDING GEAR HYDRAULIC MANIFOLD ASSEMBLY. REMOVED AND REPLACED HYDRAULIC MANIFOLD. BLED SYSTEM, OPS AND LEAK CHECKS GOOD, ALL WORJul 17, 2004 · N950QS · Cessna 750 · Hydraulic System, MainSDR DXTA200400308Fuel Filter · contaminatedON TAKE OFF THE FUEL FILTER BYPASS R-CAS MESSAGE CAME ON, ABORTED TAKE OFF. RESET ELECTRICAL BYPASS INDICATOR IAW ALLISON/ROLLS MM TASK 73-3000-990-801, REMOVED AND REPLACED RIGHT ENGINE FUEL FILTER IAW ALLISON/ROLLS MM CHAPTER 73-21-10 RUN UP LEAK CHECK GOODMay 10, 2004 · N950QS · Cessna 750 · Aircraft Fuel Filter/StrainerSDR DXTA200400222Proximity Switch · out of adjustON GEAR RETRACTION THE THREE GREEN LIGHTS WENT OUT, UNLOCK LIGHT STAYED ON AT 195 KNOTS, VIBRATION IN YOKE AND AN INCREASE IN NOISE. CYCLED GEAR WITH SAME RESULT. RIGGED NLG UPLOCK SWITCH AND ADJUSTED ROUTING OF NLG STEERING HOSES. PERFORMED LANDING GEAR OPJan 19, 2004 · N950QS · Cessna 750 · Landing Gear Retraction/Extension SystemSDR 99ZZZX4324Pump · leakingHYDRAULIC VOLUME LOW 'A' SYSTEM IN-FLIGHT AT FL 410, SHUT DOWN 'A' HYDRAULIC SYSTEM. FOUND 3 EACH SMALL PIN HOLES IN HYDRAUIC PUMP HOUSING. REPLACED ENGINE DRIVEN HYDRAULIC PUMP.Oct 5, 1999 · N950QS · Cessna 750 · Hydraulic Pump (Electric/Engine), Main
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