Learjet 35A

Service difficulty reports · 726

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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 aircraft_model_key = '35A'
  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 CA030618004Liner · bent(CAN) ONE OF TWO MS20427-4C7 RIVETS THAT HOLD THE KEYWAY LINER ON THE INNER WHEEL HALF FAILED ALLOWING THE CENTRIFUGAL FORCE OF THE SPINNING WHEEL TO BEND THE LINER OUTWARD UNTIL IT CONTACTED THE LOWER TORQUE LINK, DAMAGING IT AND ALSO CUTTING THE SIDEWALL OF Jun 16, 2003 · Lear 35A · Wheel/Ski/FloatSDR 852186Valve · failedDE-OIL VALVE FAILED TO OPEN AND ALLOW OIL TO THE 4/5 CAVITY. THEREBY CAUSING THE NR 4 AND NR 5 BEARINGS TO SEIZE, AND THE ENGINE TO LOCK UP AFTER 17 MIN OF OPERATION.Jun 11, 2003 · Lear 35A · Reciprocating Engine Oil SystemSDR BSY2003F00015Fire Loop · inoperativeLEFT ENGINE HAD A FIRE LIGHT COME ON IN FLIGHT, SHUT ENGINE DOWN, BLEW BOTH FIRE BOTTLES AND RETURNED TO AIRPORT. INSPECTED ENGINE FOR FIRE, NONE NOTED. REMOVED ENGINE TAILCONE AND CHECKED FOR EXHAUST LEAKS NONE FOUND. REMOVED AND REPLACED LOWER MIDDLE AND Jun 5, 2003 · N56JA · Lear 35A · Fire DetectionSDR CA030605015Fuel Control · inoperative(CAN) WHEN TESTING MANUAL MODE (COMPUTER OFF) THERE WAS NO ENGINE POWER RESPONSE TO POWER LEVER INPUTS. FCU REPLACED, PROBLEM SOLVED.May 29, 2003 · Lear 35A · Fuel Control/Turbine EnginesSDR CA030605009Tube · leaking(CAN) ON FINAL, CREW SELECTED GEAR DOWN, GEAR UNLOCKED AND FAILED TO EXTEND, NO HYDRAULIC PRESSURE, AIRCRAFT DIVERTED TO QUEBEC AIRPORT, GEAR EMERGENCY EXTENDED, AIRCRAFT LANDED WITH NO FURTHER PROBLEM.FOUND LT ENGINE HYDRAULIC PUMP FUSELAGE LINE HAD A CHAFED May 27, 2003 · Lear 35A · Hydraulic System, MainSDR L35SDR0301Motor · burned outDURING APPROACH INTO CVG, CREW EXPERIENCED SMOKE AND ELECTRICAL FUMES IN THE CABIN WHICH SEEMED TO ORIGINATE IN VICINITY OF BAGGAGE COMPARTMENT. FOUND COCKPIT BLOWER MOTOR BURNED OUT. NO FIRE OR FIRE DAMAGE. AICRAFT LANDED WITHOUT FURTHER INCIDENT.May 9, 2003 · N442DM · Lear 35A · Air Distribution FanSDR BAQA086292Switch · inoperativeSTAB ON/OFF SWITCH INOPERATIVE. SPEX FILE NR 00118196. REPLACED WITH SERVICEABLE UNIT.Apr 30, 2003 · N30DK · Lear 35A · Ground Proximity SystemSDR 042703Brake Assy · failedWHILE TAXING ON THE RAMP, BOTH BRAKES AND STEERING FAILED. CREW USED EMERGANCY BRAKES TO STOP THE AIRCRAFT. NOSE OF AIRCRAFT BUMP INTO THE RAILING. MAINTENANCE SUSPECTS ANTI-SKID SYSTEM.Apr 27, 2003 · N72LL · Lear 35A · Brake Anti-Skid SectionSDR EAE00103Line · crackedLOST HYDRAULIC PRESSURE WHEN LANDING GEAR WAS EXTENDED. NO BRAKES AVAILABLE UPON LANDING. DRAG CHUTE DEPLOYED TO STOP AIRCRAFT.Apr 17, 2003 · N610GA · Lear 35A · Hydraulic System, MainSDR 041103Computer · failedRIGHT FUEL COMPUTER FAILED, OPERATED ENGINE IN MANUAL MODE, OIL PSI NORMAL, NR 2 N2 FLUCTUATED, NR 2 ITT GAUGE FAILED MOMENTARILY, ABOUT 20 MINUTES LATER ENGINE FLAMED OUT AT FL390. AIRCRAFT LANDED WITHOUT INCIDENT. STAGE OF OPERATION PART 91, EMPTY. GARRETApr 11, 2003 · N274JS · Lear 35A · Fuel Controlling SystemSDR BSY2004F00002Bulb · inoperativeNO NOSE GEAR DOWN AND LOCK LIGHT. REMOVED AND REPLACED BULB, OPS CHECK GOOD.Mar 13, 2003 · N27TT · Lear 35A · Landing Gear Position and WarningSDR CA030225001Pump · failed(CAN) AIRCRAFT WAS AT 70 KNOTS ON TAKE-OFF ROLL WHEN LT ENGINE FLAMED OUT. CREW REJECTED TAKE OFF. TROUBLESHOOTING FOUND LT ENGINE DRIVEN PUMP AT 30 PSI. AMM STATE MINIMUM 300 PSI. PUMP REPLACED. AIRCRAFT RETURN TO SERVICE.Feb 21, 2003 · Lear 35A · Engine Fuel PumpSDR BSY2003F00009Module · inoperativeLOST PRESSURIZATION AT 35,000 FT, RETURNED TO (NEW) REMOVED AND REPLACED PRESURIZATION MODULE OPS CHECKED GOOD.Feb 16, 2003 · N25AN · Lear 35A · Cabin Pressure ControllerSDR 1387SMount · crackedDICOVERED DURING INSPECTION FOUND A CRACK IN THE RT TIP TANK MOUNTING FLANGE. REPAIRED PER MFG. DRAWING.Feb 14, 2003 · N886R · Lear 35A · Wing, Attach FittingsSDR 0019Seal · tornDURING CLIMB TO ASSIGNED ALTITUDE, PILOT HEARD AN AUDIBLE AIR LEAK FROM AROUND ENTRY DOOR AT APPROXIMATELY 4.5 CABIN PSI. THE CABIN WOULD NOT PRESSURIZE BEYOND 5.5 CABIN PSI. AIRCRAFT RETURNED AND LANDED WITHOUT INCIDENT. CABIN DID NOT DEPRESSURIZE. LOWER Jan 21, 2003 · N222BE · Lear 35A · Passenger/Crew DoorsSDR CJP2003F00001Gasket · failedFLIGHT CREW AND PASSENGER NOTED BURNING ODOR AND HAZE IN CABIN. AIRCRAFT DIVERTED TO AN ALTERNATE AIRPORT FOR MAINTENANCE. A LEAK WAS FOUND IN BLEED AIR CROSS-OVER DUCT FOR LT WING AND STABILIZER HEAT. A GASKET HAD FAILED ON THE CROSSOVER DUCT CONNECTION TOJan 20, 2003 · N925DM · Lear 35A · Airfoil Anti/De-ice SystemSDR CJP2003F00000Gasket · failedFLIGHT CREW AND PASSENGER NOTED BURNING ODOR AND HAZE IN CABIN. AIRCRAFT DIVERTED TO ALTERNATE AIRPORT FOR MAINTENANCE. A LEAK WAS FOUND IN BLEED AIR CROSS OVER DUCT FOR LEFT WING AND STABILIZER HEAT. A GASKET HAD FAILED ON THE CROSSOVER DUCT CONNECTION TO Jan 20, 2003 · N925DM · Lear 35A · Airfoil Anti/De-ice SystemSDR 2003F00161Bleed Valve · stickingRIGHT ENGINE DEVELOPED ITT SPLIT 60 DEGREES HOTTER THAN NR 1. EXTENSIVE MAINTENANCE TROUBLESHOOTING WITH NUMEROUS GROUND RUNS COULD NOT DUPLICATE THIS PROBLEM. ENGINE WAS ACCESSED TO SURGE BLEED VALVE DUE TO SUPPOSED INTERMITTENT STICKING. REPLACED SURGE BLEDec 18, 2002 · N50MJ · Lear 35A · Compressor Bleed ValveSDR BSY2003F00001Bulb · inoperativeLT MAIN GEAR DOWN AND LOCK LIGHT INOPERATIVE. CHECKED WITH TOWER FOR LANDING LIGHTS BEING ON. LANDED NO PROBLEM. REMOVED AND REPLACED BULB, OPS CHECK GOOD.Dec 9, 2002 · N51LC · Lear 35A · Landing Gear Position and WarningSDR DBCA1220Ignition Lead · failedNR 2 ENGINE START ATTEMPTED. ENGINE WOULD SPOOL, BUT NOT LIGHT-OFF. PILOT ABORTED START ATTEMPT AND CONTACTED MAINTENANCE. TROUBLESHOT AND FOUND ONE IGNITION LEAD BAD. REPLACED DEFECTIVE LEAD AND BOTH IGNITORS. OPS CHECKED GOOD.Nov 27, 2002 · N505EE · Lear 35A · Ignition Harness (Distribution)SDR I122003F00000Switch · failedMACH OVERSPEED SWITCH FAILED DURING FUNCTIONAL TEST.Nov 22, 2002 · N971K · Lear 35A · High Speed WarningSDR DBCA1222D1Relay · failedDURING PRE-TAKEOFF CHECKS, LT HAND PRESSURIZATION WENT INTO EMERGENCY PRESSURIZATION MODE AND WOULD NOT RESET TO NORMAL. PILOT RETURNED TO DEPARTURE AREA AND ABORTED TRIP. TROUBLESHOT TO FAILED RELAY IN MODULATING VALVE CONTROL BOX. FAILED RELAY INTERRUPTENov 6, 2002 · N505EE · Lear 35A · Cabin Pressure Control SystemSDR 103102Torque Link · crackedDURING EDDY CURRENT OF LOWER TORQUE LINK ON THE LT MLG, A CRACK WAS DISCOVERED. THE PART WAS REPLACED.Oct 31, 2002 · N72LL · Lear 35A · Main Landing GearSDR ESUA119026Squat Switch · intermittentAFTER LANDING, DURING TAXI, SECOND TURN DURING TAXI OPERATION, THE AIRCRAFT DID NOT RESPOND TO BRAKING OR STEERING. AFTER REALIZING THAT THE AIRCRAFT WAS NOT RESPONDING DURING TAXI OPERATIONS, THE CREW ENGAGED THE EMERGENCY BRAKES TO STOP THE AIRCRAFT. AT THOct 13, 2002 · N72LL · Lear 35A · Landing Gear Position and WarningSDR 101502Squat Switch · intermittentAFTER LANDING, DURING TAXI, SECOND TURN DURING TAXI OPERATION, THE AIRCRAFT DID NOT RESPOND TO BRAKING OR STEERING. AFTER RELIZING THAT THE AIRCRAFT WAS NOT RESPONING DURING TAXI OPERATIONS, THE CREW ENGAGED THE EMERGANCY BRAKES TO STOP THE AIRCRAFT. AT THIS TOct 13, 2002 · N72LL · Lear 35A · Landing Gear Brake SystemSDR 2002FA0001181Computer · malfunctionedNOSE WHEEL STEERING WILL NOT ARM. FOUND NO OUTPUT VOLTAGE ON P224 PIN A. 1.0 VAC REQUIRED FROM THIS PIN.Oct 13, 2002 · N10AH · Lear 35A · Shimmy DamperSDR ROSA200200001Elbow · looseLOST ALL HYDRUALIC PRESSURE IN FLIGHT, AUX PRESSURE WORKED OK. FOUND HYDRUALIC LEAK IN LEFT MAIN GEAR WELL AIRFRAME FITTING TO RETRACT SIDE OF MAIN GEAR ACTUATOR. TIGHTENED FITTING TO RETRACT ACTUATOR PER LEARJET MAINTENANCE MANUAL 20-30-00, SERVICED RESERVIOOct 8, 2002 · N135DE · Lear 35A · Hydraulic System, MainSDR BSY2002F00018Drag Chute · deployedON CLIMB OUT, AT 15,000 FEET, DRAG CHUTE DEPLOYED AND SEPARATED FROM AIRCRAFT. INSTALLED DOOR AND DRAG CHUTE. OPS CHECKED GOOD. CAUSE FOR DEPLOYMENT UNKNOWN AT THIS TIME.Aug 9, 2002 · N81FR · Lear 35A · ParachuteSDR CA020731007Bolt · loose(CAN) DURING HUMP INSPECTION THE RT ELEVATOR BELLCRANK ATTACHMENT BOLT HAD VERTICAL FREE PLAY BETWEEN THE BELLCRANK AND THE ELEVATOR INPUT SHAFT. THE RT ELEVATOR TORQUE TUBE AND BELLCRANK ATTACHMENT HOLES WERE ELONGATED.AS PER LEARJET ENGINEERING REPORT. THJul 23, 2002 · Lear 35A · Elevator Control SystemSDR CA020731005Fitting · loose(CAN) DURING HUMP INSPECTION THE FOLLOWING DISCREPANCY WERE FOUND. THE HORIZONTAL STAB CENTER HINGE FITTING HAD LOOSE AND MISSING RIVETS. A TOTAL OF 14 RIVETS WERE AFFECTED AND CONSEQUENTLY REPLACED BY HI-LOK AS PER STRUCTURAL REPAIR MANUAL.Jul 22, 2002 · Lear 35A · Fuselage, Stabilizer Attach FittingsSDR CA020711001Rheostat · damaged(CAN) WITH THE AIRCRAFT POWERED UP AND AC INVERTER ON, FLIGHT CREW NOTICE SMOKE RISING FROM LT SIDEWALL PANEL. UPON FUTHER INSPECTION WITH SIDEWALL REMOVED. THREE WIRE BUNDLES THAT GO TO THREE DIFFERENT REHOSTAT WERE FOUND WITH SPIRAL WRAP AROUND THEN AND MELJul 4, 2002 · Lear 35A · Electrical Power System WiringSDR CJP2002F00000Selector Valve · failedLANDING GEAR WOULD NOT EXTEND WHEN GEAR HANDLE WAS SELECTED TO DOWN POSITION. FLIGHT CREW COMPLETED AN EMERGENCY LANDING GEAR EXENSION AND LANDED WITHOUT INCIDENT. MAINTENANCE JACKED AIRCRAFT AND DUPLICATED PROBLEM. LANDING GEAR TROUBLESHOOTING DETERMINED LJul 1, 2002 · N261PG · Lear 35A · Landing Gear Retraction/Extension SystemSDR MXI2002F00000Actuator · leakingRIGHT MAIN LANDING GEAR ACTUATOR LEAKING HYDRAULIC FLUID. PLUNGER O-RING PART NUMBER M83461/1-146 FAILED BY ROLLING IN THE ACTUATOR. INSTALLED ACTUATOR REPAIR KIT WHICH CONTAINED AN IMPROVED SEAL.Jun 24, 2002 · N431AS · Lear 35A · Landing Gear ActuatorSDR CWUA072DComputer · intermittentAIRCRAFT EXPERIENCED RIGHT ENGINE FIRE WARNING SHORTLY AFTER TAKEOFF. CREW FOLLOWED CHECKLIST, DECLARED AN IFE, AND LANDED WITHOUT INCIDENT. AFTER HOURS OF TROUBLESHOOTING, MAINTENANCE DETERMINED THEY COULD TURN ON AND OFF THE RIGHT ENGINE FIRE LIGHT BY LIGHJun 1, 2002 · N950SP · Lear 35A · Fire DetectionSDR 0018Actuator · out of adjustAFTER TAKEOFF, THE GEAR RETRACTED NORMAL BUT RT MAIN GEAR SHOWED AN UNSAFE INDICATION. THE INBOARD GEAR DOOR DID NOT CLOSE ENOUGH TO COMPRESS THE INBOARD GEAR DOOR SWITCH. INBOARD GEAR DOOR ACTUATOR HAD BEEN RESEALED DURING A 600 HR INSPECTION PRIOR TO TAKEOMay 10, 2002 · N553V · Lear 35A · Landing Gear Door ActuatorSDR CA020508002Rod · corroded(CAN) DURING 12 YEARS MAJOR AIRFRAME INSPECTION, RT WING SPOILER ACTUATOR WAS REMOVED TO GAIN ACCESS TO INSPECT THE RT FLAP ACTUATOR ATACHMENT FITTING. WHEN HANDLING THE SPOILER ACTUATOR FOUND PITTING COROSION ON THE PISTON-ROD (CHROME SURFACE). NEW PART ORDERMay 7, 2002 · Lear 35A · Drag Control ActuatorSDR CA020506001Bulb · burned out(CAN) ON APPROACH, PILOT SELECTED GEAR DOWN, ALL GEAR GREEN LIGHTS ILLUMINATED, EXCEPT THE LT MAIN GEAR LIGHT. THE BULB WAS CONFIRMED BURNED AFTER BULB TEST, BUT PILOT AS PRECAUTIONARY MEASURE, ACTIVATED THE GEAR BLOW DOWN. AIRCRAFT LANDED WITH NO ADDITIONAL May 3, 2002 · Lear 35A · Landing Gear Position and WarningSDR O9I2002F00003Hinge · crackedLOWER ENTRY DOOR FORWARD CORNER AT HINGE WAS FOUND CRACKED. DOOR WAS REPAIRED WITH MANUFACTURER SUPPLIED PARTS. THE PROBABLE CAUSE MAY HAVE BEEN WORN DOOR CABLES FOR AN EXTENDED TIME. MFG RECOMMENDS USING DOOR SUPPORT RODS DURING ROUTINE MAINTENANCE TO PREVMay 1, 2002 · N45AE · Lear 35A · Passenger/Crew DoorsSDR 2002F00408Connector · meltedCONNECTOR ON AUX DEFOG BLOWER MELTED AND INSULATION ON WIRE AT CONNECTOR MELTED. THIS DEFOG BLOWER WAS INSTALLED UNDER STC SA1482SO REV B. THIS IS THE 4TH BLOWER ASSY WHERE THE CONNECTOR HAS MELTED. MANUFACTURED BY FLIGHT ENGINEERING AND DEVELOPMENT.Apr 17, 2002 · N66NJ · Lear 35A · Heating SystemSDR CA020417003Actuator · leaking(CAN) ON GEAR EXTENSION, 3 GREENS, 1 UNSAFE ON RT SIDE. ON RETRACTION, NO GREENS LIGHTS, THREE UNSAFE. TWO MORE EXTENSIONS CARRIED OUT WITH SAME RESULT. GEAR EXTENDED AS PER EMERGENCY CHECK LIST(BLOWN DOWN). GEAR SWING CARRIED OUT ON JACKS, FOUND RT GEAR ACTApr 1, 2002 · Lear 35A · Landing Gear ActuatorSDR KOS2002F00001Pressure Switch · inoperativeFUEL PRESSURE SWITCH, INOPERATIVE.Apr 1, 2002 · N498JR · Lear 35A · Fuel Pressure IndicatingSDR KOS2002F00000Battery · inoperativeBATTERY INOPERATIVE.Apr 1, 2002 · N498JR · Lear 35A · Battery/Charger SystemSDR DRU2002F00000Hose · leakingWHILE TROUBLESHOOTING THE BLEED AIR HEATING SYSTEM, WHICH WAS INOPERATIVE, SOME LEAK CHECK SOLUTION HAD GOTTEN ON HEATING SENSOR AND CONTROL HOSES. HOSES WERE LEAKING. REMOVED OLD SENSOR AND CONTROL HOSES, AND INSTALLED NEW HOSES. LEAK CHECK WAS GOOD, AND SMar 6, 2002 · N43TJ · Lear 35A · Engine Bleed Air SystemSDR 35A501Engine · malfunctionedENGINE START, TAXI, AND CLIMB UNEVENTFUL. CLIMB FROM 5000 FT TO 15000 FT, TURNED ON ANTI-ICE SYSTEMS, PRIOR TO ENTERING CLOUDS AT APPROX 6000 FT, LT ENGINE FLUCTUATED AND ROLLED BACK SHORTLY AFTER ENTERING CLOUDS. ENCOUNTERED ICING SHORTLY AFTER ENTERING CLOFeb 26, 2002 · N326HG · Lear 35A · Engine (Turbine/Turboprop)SDR QH52002F00000Mount · crackedMOUNT HAS A .500 INCH CRACK AS MARKED ON PART.Feb 21, 2002 · N235MC · Lear 35A · Engine Mount SectionSDR CA020227001Fuel Control · defective(CAN) LT ENGINE HOT START ON MANUAL AND COMPUTER MODE. LT FCU REPLACED, GROUND RUNS C/O, GROUD CHECK SERVICEABLE.Feb 19, 2002 · Lear 35A · Fuel Control/Reciprocating EnginesSDR FCP2002F00000Frame · wornMAINTENANCE DISCOVERED WHILE TROUBLESHOOTING PITCH TRIM DISCREPANCY. ELEVATOR PITCH SPRING FRAME ASSEMBLY (PN 2631507-13). DURING INSPECTION OF SPRING AND FRAME ASSEMBLY, UPPER ATTACH POINT FOR SPRING WAS FOUND WORN BEYOND LIMITS. SPRING ATTACH BOLT WAS WORFeb 18, 2002 · N184TS · Lear 35A · Elevator StructureSDR JGV2002F00000Connector · crackedPLASTIC CONNECTION THAT CONNECTS TO THE HOSE UNION CRACKED TO THE POINT THAT THE THREADED UNION WILL NOT STAY CONNECTED TO THE OUTFLOW VALVE.Jan 23, 2002 · N987LP · Lear 35A · Pressure Regulator/Outflow ValveSDR BSY2002F00000Bulb · burned outMIR LEFT MAIN GEAR, NO DOWN AND LOCK INDICTATION. REMOVED AND REPLACED BULB, OPS CHECK GOOD.Jan 8, 2002 · N800AW · Lear 35A · Landing Gear Position and WarningSDR DIN2002F00000Plate · wornCARBON DUST NOTICED COMING FROM A BRUSHLESS GENERATOR. TSO GENERATOR 445 HRS. LOANER UNIT WAS INSTALLED. TEARDOWN INSP FOUND DRIVESHAFTS FRICTION CLUTCH PLATE TO BE WORN REQUIRING REPLACEMENT. THE OVERHAUL SHOP SAID THE FANUFACTURE HAD CHANGED MATERIALS FRODec 17, 2001 · N258G · Lear 35A · AC Generator-Alternator
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