Learjet 31A

Service difficulty reports · 128

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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 aircraft_model_key = '31A'
  ORDER BY difficulty_date DESC"

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SDR JGV2008F00006Cartridge · missingDURING ROUTINE INSP OF NINE (9) LIFE VESTS FOUND MISSING CO2 CARTRIDGES ON ALL NINE (9) VESTS. ALL LIFE VESTS WERE RECEIVED IN SEALED, SEWN-SHUT BAGS WITH SIGNED MAINT RELEASE DOCUMENTS FROM PREVIOUS INSP ACCOMPANYING THEM. PREVIOUS INSPECTION ACCOMPLISHED NNov 4, 2008 · N177JB · Lear 31A · Life JacketSDR JGV2008F00005Cartridge · missingDURING ROUTINE INSP OF NINE (9) LIFE VESTS FOUND MISSING CO2 CARTRIDGES ON ALL NINE (9) VESTS. ALL LIFE VESTS WERE RECEIVED IN SEALED, SEWN-SHUT BAGS WITH SIGNED MAINT RELEASE DOCUMENTS FROM PREVIOUS INSP ACCOMPANYING THEM. PREVIOUS INSPECTION ACCOMPLISHED NNov 4, 2008 · N177JB · Lear 31A · Life JacketSDR JGV2008F00004Cartridge · missingDURING ROUTINE INSP OF NINE (9) LIFE VESTS FOUND MISSING CO2 CARTRIDGES ON ALL NINE (9) VESTS. ALL LIFE VESTS WERE RECEIVED IN SEALED, SEWN-SHUT BAGS WITH SIGNED MAINT RELEASE DOCUMENTS FROM PREVIOUS INSP ACCOMPANYING THEM. PREVIOUS INSPECTION ACCOMPLISHED NNov 4, 2008 · N177JB · Lear 31A · Life JacketSDR JGV2008F00003Cartridge · missingDURING ROUTINE INSP OF NINE (9) LIFE VESTS FOUND MISSING CO2 CARTRIDGES ON ALL NINE (9) VESTS. ALL LIFE VESTS WERE RECEIVED IN SEALED, SEWN-SHUT BAGS WITH SIGNED MAINT RELEASE DOCUMENTS FROM PREVIOUS INSP ACCOMPANYING THEM. PREVIOUS INSPECTION ACCOMPLISHED NNov 4, 2008 · N177JB · Lear 31A · Life JacketSDR JGV2008F00002Cartridge · missingDURING ROUTINE INSP OF NINE (9) LIFE VESTS FOUND MISSING CO2 CARTRIDGES ON ALL NINE (9) VESTS. ALL LIFE VESTS WERE RECEIVED IN SEALED, SEWN-SHUT BAGS WITH SIGNED MAINT RELEASE DOCUMENTS FROM PREVIOUS INSP ACCOMPANYING THEM. PREVIOUS INSPECTION ACCOMPLISHED NNov 4, 2008 · N177JB · Lear 31A · Life JacketSDR JGV2008F00001Cartridge · failedDURING ROUTINE INSP OF NINE (9) LIFE VESTS FOUND MISSING CO2 CARTRIDGES ON ALL NINE (9) VESTS. ALL LIFE VESTS WERE RECEIVED IN SEALED, SEWN-SHUT BAGS WITH SIGNED MAINT RELEASE DOCUMENTS FROM PREVIOUS INSP ACCOMPANYING THEM. PREVIOUS INSPECTION ACCOMPLISHED NNov 4, 2008 · N177JB · Lear 31A · Life JacketSDR CA081022003Latch · unserviceable(CAN) SINGLE POINT FUEL DOOR LATCH OPENED IN FLIGHT.Oct 20, 2008 · Lear 31A · Service DoorsSDR 0811001Downlock Switch · out of limitsON APPROACH, RIGHT MAIN LANDING GEAR DOWNLOCK INDICATOR DID NOT ILLUMINATE. AFTER GO-AROUND, CYCLED LANDING GEAR AND RESULTED IN SATISFACTORY EXTENSION. MAINTENANCE FOUND RIGHT MAIN LANDING GEAR DOWNLOCK SWITCH RESISTANCE OUT OF LIMITS. REPLACED SWITCH AND Apr 19, 2008 · N431DA · Lear 31A · Landing Gear Position and WarningSDR 0805301Fire Loop · misalignedAT LOW POWER SETTING RIGHT ENGINE FIRE FLASHED INTERMITTENTLY. MAINTENANCE FINDING, FOUND FIREWALL SENSING ELEMENT PINCHED AGAINST RT UPPER ENGINE MOUNT. REPOSITIONED LOOP. PERFORMED ENGINE GROUND RUNS AND TAXI CHECKS. ACCOMPLISHED SEVERAL ENGINE STARTS/SHFeb 22, 2008 · N431DA · Lear 31A · Fire DetectionSDR SH073532Inverter · failedAFTER ENGINE START THE PILOT ATTEMPTED TO TURN ON THE NR2 A/C INVERTER WITH NO RESULTS. AFTER SEVERAL ATTEMPTS SMOKE COULD BE SMELLED IN THE AIRPLANE, AT THAT TIME THE ENGINES WHERE SHUTDOWN AND MAIN BATTERY POWER TURNED OFF. A LINE SERVICE ASSISTANT NOTIFIEDDec 4, 2007 · N314SG · Lear 31A · AC InverterSDR JL92007F00000O-Ring · missingAIRCRAFT STARTED EXPERIENCING LOSS IN OIL PRESSURE INDICATED BY THE LHS ENGINE OIL PRESSURE GAUGE NEEDLE BOUNCING BETWEEN THE RED MARKINGS ON THE GAUGE, THE NEEDLE AFTER A FEW SECONDS SETTLED DOWN IN THE GREEN AND THEN SLOWLY STARTED DECREASING, ON NOTICING THNov 10, 2007 · N68ES · Lear 31A · Turbine Engine Oil SystemSDR CVG2007F00000Defog System · failed(DAE ID NR 07-277) ON DESCENT, AFTER TURNING ON WINDSHIELD DEFOG IAW CHECKLIST, WINDSHIELD BEGAN TO VISIBLY ARC AND ELECTRICAL ODOR FILLED COCKPIT. AFTER TURNING WINDSHIELD DEFOG OFF, ARCING STOPPED AND ODOR DISSIPATED. LT WINDSHIELD ELECTRICAL ELEMENT FAILEOct 4, 2007 · N431DA · Lear 31A · Windshield/Door Rain/Ice RemovalSDR S2KA200709071Starter Gen · failedSTARTER GENERATOR FAILED DURING FLIGHT, CREW NOTICED VIBRATION FOLLOWED BY ILLUMINATION OF THE LEFT GENERATOR LIGHT. AIRCRAFT LANDED WITHOUT INCIDENCE AND STARTER GENERATOR WAS REPLACED.Sep 7, 2007 · N211RN · Lear 31A · Starter-GeneratorSDR 20070907211RNStarter Gen · failedSTARTER GENERATOR FAILED DURING FLIGHT, CREW NOTICED VIBRATION FOLLOWED BY ILLUMINATION OF THE LEFT GENERATOR LIGHT. AIRCRAFT LANDED WITHOUT INCIDENCE AND STARTER GENERATOR WAS REPLACED.Sep 7, 2007 · N211RN · Lear 31A · Starter-GeneratorSDR A9J2007F00000Sensor · failedALL SENSORS ON A NEW WINDSHIELD FAILED. THERE ARE A TOTAL OF 400 HRS SINCE NEW. (K)Aug 26, 2007 · N3VJ · Lear 31A · Windshield/Door Rain/Ice RemovalSDR JBGA200700015Blower Motor · malfunctionedAIRCRAFT EN ROUTE FROM MDW TO MYGF AT FLIGHT LEVEL 45,000FT WHEN CREW NOTICED SMOKE COMING FROM OVERHEAD VENT. CREW DECLARED AN EMERGENCY AND INITIATED AN EMERGENCY DESCENT INTO SDF. THE CREW DISENGAGED CABIN VENTILATION WHICH CAUSED SMOKE TO CEASE. CONTINUAug 16, 2007 · N91DP · Lear 31A · Air Distribution FanSDR A8J2006F00000Blower · smokeON FLT, DURING DESCENT PILOT REPORTED SMOKE IN THE AFT SECTION OF CABIN. PILOT TURNED OFF CABIN AND COCKPIT BLOWERS AND SMOKE CLEARED. REPLACED DEFECTIVE COCKPIT BLOWER WITH O/H UNIT.Oct 12, 2006 · N131GR · Lear 31A · Air Distribution FanSDR AOQ2006F00001Selector Valve · intermittentNOSE GEAR UNSAFE LIGHT REMAINED ILLUMINATED UPON GEAR RETRACTION. CREW RECYCLED GEAR AND ALL LIGHTS EXTINGUISHED. MAINTENANCE INSPECTED LANDING GEAR SYSTEM AND FOUND NOSE LANDING GEAR TO BE LAGGING DURING OPERATION. TROUBLESHOT SYSTEM TO GEAR SELECTOR VALVEJan 11, 2006 · N39TW · Lear 31A · Landing Gear Retraction/Extension SystemSDR ON39TW120605JCControl Valve · leakingNOSE GEAR RED UNSAFE LIGHT DID NOT EXTINGUISH ON TAKEOFF, FOLLOWED BY BOTH MAIN GEAR UNSAFE LIGHTS (RED) ILLUMINATING. GEAR WAS EXTENDED AND ALL T3 GEAR INDICATED LOCKED WITH NO UNSAFE CONDITION. AIRCRAFT LANDED UNEVENTFULLY. INSPECTED LANDING GEAR SYS AND Dec 6, 2005 · N39TW · Lear 31A · Landing Gear Retraction/Extension SystemSDR 123197BOutflow Valve · failedDURING CRUISE, AIRCRAFT LOSS PRESSURIZATION. COCKPIT INDICATIONS ALERTED CREW AS DESIGNED. AIRCRAFT PRESSURIZATION AUTOMATICALLY DEFAULTED TO EMERGENCY MODE.Aug 4, 2005 · N518JG · Lear 31A · Pressure Regulator/Outflow ValveSDR 123197AOutflow Valve · failedDURING CRUISE, AIRCRAFT LOST PRESSURIZATION. COCKPIT INDICATIONS ALERTED CREW AS DESIGNED. AIRCRAFT PRESSURIZATION AUTOMATICALLY DEFAULTED TO EMERGENCY MODE.Aug 4, 2005 · N518JG · Lear 31A · Pressure Regulator/Outflow ValveSDR AOQ2005F00004Fire Detector · malfunctionedDURING CLIMB, NR 1 ENGINE FIRE WARNING LIGHT ILLUMINATED AT ITT 802 DEGREES, REDUCED TO 760 DEGREES, LIGHT EXTINGUISHED. ENGINE INDICATIONS WERE NORMAL. VISUALLY INSPECTED BLEED AIR PLUMBING AND ELECTRICALLY RUNG OUT FIRE WARNING CIRCUIT. FOUND AFT FIRE ELEJul 20, 2005 · N39TW · Lear 31A · Fire Protection SystemSDR AOQ2005F00003Gasket · wornDURING CLIMB, AT ALTITUDE, THE NR 1 ENGINE FIRE WARNING ILLUMINATED, ITT INDICATED 805 DEGREES. THRUST REDUCED BELOW 790 DEGREES ITT, AND LIGHT WENT OUT. ALL ENGINE INDICATIONS WERE NORMAL. MAINTENANCE TROUBLESHOT NR 1 ENGINE FIRE WARNING LIGHT ILLUMINATIONJul 17, 2005 · N39TW · Lear 31A · Engine Indicating SystemSDR 39TW070405JCWarning Light · false activationNR 2 MAIN GEAR UNSAFE LIGHTS DID NOT EXTINGUISH DEPARTING. PREVIOUS GEAR CYCLES WERE UNEVENTFUL. LAST GEAR CYCLE INTO ISP WAS NORMAL. JACKED AIRCRAFT, INSPECTED MAIN LANDING GEAR ASSEMBLIES, UPLOCK AND DOWNLOCK SWITCHES AND DOOR SWITCHES AND MECHANISMS, FOJul 4, 2005 · N39TW · Lear 31A · Landing Gear Position and WarningSDR AOQ2005F00002Gasket · wornDURING CLIMB, AT ALTITUDE, THE NR 2 ENGINE FIRE WARNING ILLUMINATED, ITT INDICATED 801 DEGREES, WARNING CEASED WITHIN 10 SECONDS AFTER THRUST WAS REDUCED BELOW 780 DEGREES ITT. ALL ENGINE INDICATIONS WERE NORMAL. MAINTENANCE TROUBLESHOT NR 2 ENGINE FIRE WARNJun 16, 2005 · N39TW · Lear 31A · Engine Indicating SystemSDR 2005F00059Processor · incorrectFAR 91, APPENDIX G, SECTION 2 REQUIRES THAT FOR AN AIRCRAFT TO USE TCAS II IN RVSM AIRSPACE, THE SYSTEM MUST BE "VERSION 7.0" WHICH IS IN COMPLIANCE WITH TSO C 119B. ALTHOUGH TCAS II IS NOT REQUIRED FOR RVSM COMPLIANCE, IF IT IS INSTALLED, IT MUST BE UPDATED TFeb 11, 2005 · N31MW · Lear 31A · Air Collision Avoidance SystemSDR 2005FA0000106Starter Gen · failedPILOT REPORTED VIBRATION, FOLLOWED BY RT GENERATOR INOPERATIVE LIGHT. PRECAUTIONARY ENGINE SHUTDOWN WAS DONE. REPLACED STARTER GEN, OPS NORMAL. A TEARDOWN REPORT WILL BE REQUESTED FROM VENDOR. (K)Sep 24, 2004 · N901P · Lear 31A · Starter-GeneratorSDR WVE2004F00022Window · crackedDURING ROUTINE MAINTENANCE THE CABIN WINDOW IN THE EMERGENCY EXIT WAS FOUND CRACKED BEYOND LIMITS. NEW WINDOW SN 5754 RECEIVED FOR REPLACEMENT, INSTALLED IAW MM, SEALANT INTRUDED BETWEEN THE WINDOW PLIES AT THREE HI-LOCKS. WINDOW AGAIN WAS REPLACED. REPLACESep 9, 2004 · N931FD · Lear 31A · Door WindowsSDR JGV2004F00007Stud · shortedACCOMPLISHED A MODIFICATION TO THE POWER DISTRIBUTION PANEL TO SUPPORT AN AVIONICS MOD. THE SYSTEM WAS CHECKED OK AND INSPECTED THE TERMINAL STUD FOR SECURITY. THE STUD WAS TIGHT AND THE CONNECTION WAS SECURE. AFTER DELIVERY THE AC HAD ELECTRICAL PROBLEMS. Jun 18, 2004 · N314XS · Lear 31A · Electrical Power System WiringSDR 31201052404Valve · inoperativeAIRCRAFT WENT TO EMERGENCY PRESSURIZATION DURING CLIMB-OUT, WOULD NOT PRESSURIZE AT 8000 FT. PERFORMED UNSCHEDULED LANDING. MX REPLACED RT 3-WAY VALVE, BOTH MOD VALVES AND MOD CONTROL BOX. CABIN PRESSURIZING ON GROUND, APPROX 2000 FPM WHEN ADVANCED THROTTLESMay 24, 2004 · N137FX · Lear 31A · Cabin Pressure Control SystemSDR 2004FA0000406Seat · mismanufacturedFOUND WIDTH BETWEEN CABIN SEATS WAS 8.5 INCHES IN AREA FROM FLOOR UP TO TWENTY FIVE INCHES ABOVE FLOOR. ARMRESTS WERE SOURCE OF THIS DISCREPANCY. IAW TYPE CERTIFICATE THIS AIRCRAFT MODEL IS SPECIFICALLY EXCLUDED FROM THE SERIES 24/25 AND 35/36 EQUIVALENT LEVEMay 18, 2004 · N766AJ · Lear 31A · Passenger Compartment EquipmentSDR DEL2004F00000Bolt · crackedDURING ENGINE REMOVAL, FOUND RT ENGINE AFT MOUNT BOLT CRACKED (PN26520023).May 4, 2004 · N129FX · Lear 31A · FastenersSDR 31177050304Pump · failedDURING DESCENT FROM CRUISE, RIGHT ENGINE FLAMED OUT. ENGINE WAS SUCCESSFULLY RESTARTED. DIVERTED TO KBDL. REPLACED RIGHT ENGINE FUEL PUMP DUE TO LOW PRESSURE. REPLACED RIGHT ENGINE FUEL CONTROL DUE TO METAL CONTAMINATION IN STRAINER BETWEEN FUEL PUMP AND FMay 3, 2004 · N132FX · Lear 31A · Engine Fuel PumpSDR CA040209006Connector · failed(CAN) DURING TROUBLESHOOTING FOR GROUND POWER SNAG, NOTICED THAT 5A CURRRENT LIMITER FOR HE GROUND POWER ENERGIZATION CIRCUIT WAS BLOWN. IT SHOULD BE NOTED THAT P109A20 WAS NOT PINNED TO X AT P309, AS WAS INDICATED BY THE WIRE DIAGRAMS FOR S/N 31-102. ACFT WIRFeb 5, 2004 · Lear 31A · Electrical Power System WiringSDR ZES2003F00003Fire Loop · failedPILOT REPORTED THAT THE LT FIRE WARNING CAME ON TWICE FOR APPROX 5 SECONDS THEN EXTINGUISHED. TROUBLESHOT AND FOUND THE LT ENGINE FIRE (ACESSORY DRIVE) LOOP TO FAIL THE RESISTANCE AND INSULATION TEST. REPLACED THE FIRE LOOP WITH NEW.Jul 8, 2003 · N70AE · Lear 31A · Fire DetectionSDR 2003F00578Regulator · damagedINADVERTENT ACTIVATION OF EMERGENCY AIR FLOW AT 9000 FT. TROUBLESHOOTING, INSPECTION OF PRESSURIZATION SYSTEM COMPONENTS, GROUND AND SUBSEQUENT FLIGHT PRESSURIZATION CHECKS PROVED NO NOTED DEFECTS. DURING OPERATIONAL CHECK/TESTS, FOUND PRESSURE REGULATORS FOJun 2, 2003 · N712EJ · Lear 31A · Cabin Pressure Control SystemSDR 2003F00390Controller · malfunctionedINADVERTENT ACTIVATION OF EMERGENCY AIR FLOW AT 9000 FT. TROUBLESHOOTING, INSPECTION OF PRESSURIZATION SYSTEM COMPONENTS, GROUND AND SUBSEQUENT FLIGHT PRESSURIZATION CHECKS PROVED NO NOTED DEFECTS. DURING OPERATIONAL CHECK/TESTS, FOUND PRESSURE REGULATORS FOMay 28, 2003 · N712EJ · Lear 31A · Cabin Temperature ControllerSDR 2003F00394Fuel Control · contaminatedAFTER NR 1 ENGINE FLAMEOUT ON APPROACH, FUEL CONTROL WAS REPLACED AND AIRCRAFT RETURNED TO SERVICE. CONTROL FOUND TO CONTAIN METAL CONTAMINATION. AFTER EVALUATION/DETERMINATION THAT ENGINE-DRIVEN FUEL PUMP WAS SOURCE OF CONTAMINATION,THE ENGINE-DRIVEN FUEL PUApr 24, 2003 · N288FF · Lear 31A · Fuel Control/Turbine EnginesSDR 2003FA0000564Fan · seizedCABIN/ CREW FAN PHYSICALLY LOCKED UP CAUSING BURNING ODOR AND SMOKE IN CABIN. CB POPED AND RESET ONCE. IN THE FUTURE CREW/ CABIN FROM CB POPS RECOMMEND NOT RESETTING IN FLIGHT AS THIS IS NOT A REQUIRED FOR FLIGHT ITEM.Mar 25, 2003 · Lear 31A · Air Distribution FanSDR Q9P2003F00000Web · crackedCOMPLIED WITH SB 31-51-1 AND SP 31-51-2 FOUND LT AND RT SHEAR WEBS CRACKED ON BOTH FORWARD AND AFT AREAS.Oct 30, 2002 · N298CH · Lear 31A · Nacelle/Pylon, Main FrameSDR 2002F01023Control Valve · intermittentDURING CLIMB, LANDING GEAR DID NOT RETRACT WHEN SELECT UP ON FIRST RETRACTION ATTEMPT. SELECTOR HANDLE CYCLED GEAR OPERATED NORMALLY ON ALL SUBSEQUENT SELECTIONS. ACCOMPLISHED OPERATION CHECKS COULD NOT DUPLICATE, TROUBLESHOT SYSTEM AND REPLACED SUSPECTED INOct 18, 2002 · N583LJ · Lear 31A · Landing Gear Door Retract SectionSDR 2002FA0001151Element · blisteredUPON DISASSEMBLY AND INSPECTION OF EMERGENCY POWER SUPPLY, FOUND THE HEATER BLANKET ELEMENT TO HAVE BECOME HEAT DAMAGED SEVERELY ENOUGH TO SEPERATE THE LAMINATION SURROUNDING THE CONDUCTIVE ELEMENT.Sep 27, 2002 · N77PY · Lear 31A · Heating SystemSDR WIB2002F00009Actuator · malfunctionedPITCH TRIM LIGHT CAME ON DURING TAKEOFF. PITCH TRIM INDICATOR MOVES RAPIDLY UP AND DOWN. INSPECTION AND OVERHAULED EVERY 600 HOURS. RARELY MAKES 600 HOURS.Sep 17, 2002 · N31TK · Lear 31A · Stabilizer Control SystemSDR 2002F00889Blades · bindingFAN BLADES CONTACTING HOUSING.Sep 5, 2002 · N131LJ · Lear 31A · Air Distribution FanSDR WIB2002F00008Motor · shortedAIR CONDITIONER COMPRESSOR DRIVE MOTOR FAILED. FOUND TO BE INTERNALLY BURNED. CURRENT LIMITER DID BLOW. POSSIBLY CAUSED BY BEARING FAILURE.Jul 27, 2002 · N261SC · Lear 31A · Cabin Cooling SystemSDR WIB2002F00004Motor · failedAIR CONDITIONER COMPRESSOR DRIVE MOTOR FAILED. FOUND TO BE INTERNALLY BURNED UP. CURRENT LIMITER DID NOT BLOW. POSSIBLY CAUSED BY BEARING FAILURE.Jun 26, 2002 · N77PY · Lear 31A · Cabin Cooling SystemSDR WIB2002F00003Relief Valve · malfunctionedAIRCRAFT WOULD OPEN SAFETY VALVE AT 9.4, FOUND PRESSURE DIFFERENTIAL RELIEF VALVE OPENING TOO SOON.Apr 26, 2002 · N78PR · Lear 31A · Pressure Regulator/Outflow ValveSDR WIB2002F00001Fuel Control · inoperativeFCU - SLOW TO START, NO POWER LEVER AUTHORITY IN MANUAL MODE.Mar 29, 2002 · N370SC · Lear 31A · Fuel Control/Turbine EnginesSDR WIB2002F00000Valve · inoperativeRIGHT EMERGENCY PRESSURIZATION VALVE WOULD NOT CLOSE AFTER ENGINE START, WAS INTERMITTENT PROBLEM. APPEARS THAT THE VALVE HAS NO LUBRICATION AND STICKS.Mar 13, 2002 · N370SC · Lear 31A · Pressure Regulator/Outflow ValveSDR W1B2002F00000Actuator · failedWITH LANDING GEAR SELECTED UP, HYDRAULIC PRESSURE LOW. BY PASSING FLUID IN LEFT MAIN GEAR ACTUATOR. THIS IS 3RD ACTUATOR IN 1 YEARS TIME.Feb 7, 2002 · N78PR · Lear 31A · Landing Gear Door Actuator
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