Learjet 31

Service difficulty reports · 31

Newest first. General aviation reporting is voluntary.

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 = '31'
  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 2022F00281Fire Loop · noneDURING CLIMB, 16 MINUTES AFTER TAKE OFF. RH FIRE WARNING LIGHT ILLUMINATED, ALL OTHER INDICATIONS NORMAL. RETARDED THROTTLE LEVER TO IDLE AND FIRE WARNING LIGHT WENT OUT. ALL ENGINE INDICATIONS NORMAL. THIS IS AN OPERATIONAL CHECK FLIGHT FOR THE EVENT REPORTEDJul 1, 2022 · N331N · Lear 31 · Fire DetectionSDR 2022F00280Gasket · noneDURING CLIMB, 16 MINUTES AFTER TAKE OFF. RH FIRE WARNING LIGHT ILLUMINATED, ALL OTHER INDICATIONS NORMAL. RETARDED THROTTLE LEVER TO IDLE AND FIRE WARNING LIGHT WENT OUT. ALL ENGINE INDICATIONS NORMAL.Jun 23, 2022 · N331N · Lear 31 · Fire DetectionSDR 2022F00178Hydraulic System · leakingON APPROACH CREW SELECTED GEAR DOWN WHEN THEY DID NOT GET THE PROPER INDICATION THEY ALERTED THE TOWER. THE TOWER CONFIRMED THAT THE GEAR IN FACT WAS NOT DOWN. THE CREW FOLLOWED PROCEDURE AND BLEW THE GEAR DOWN WITH EMERGENCY AIR. ON 3/31/2022 IT WAS DISCOVEREMar 29, 2022 · N10VJ · Lear 31 · Landing Gear SystemSDR 2022F00096None · failedDIRECTSYN DG FAILED MID FLIGHT. PILOTS REPORTED THAT THE PILOTS (LH) HSI WAS FIXED TO A SINGLE HEADING. RENDERING THE AUTOPILOT SYSTEM INOPERATIVE. THE PILOTS ELECTED TO DIVERT.Mar 3, 2022 · N10VJ · Lear 31 · Directional Gyro and Indicating SystemSDR A9JA202106160001Indicator · erraticAIR SPEED INDICATION DRIFTED BETWEEN #1 AND #2 INDICATORS AND CONFUSED PILOTS ON WHAT INDICATION WAS CORRECT. ISSUE ONLY DEVELOPED ABOVE 29,000 FT. INDICATING THE ISSUE IS WITHIN THE MACH AIRSPEED ANEROID.Jun 11, 2021 · Lear 31 · Airspeed/Mach IndicatorSDR O9IAN201806200001Unknown · odorCREW NOTED A STRONG ODOR OF WHAT SMELLED LIKE. NO VISIBLE SMOKE WAS NOTED. ODOR WENT AWAY RIGHT AFTER IT WAS DETECTED DURING CRUISE. DURING DECENT, THE ODOR WAS NOTED AGAIN WITH NO VISIBLE SMOKE, BUT WENT AWAY RIGHT AWAY AS WELL. AFTER LANDING, MAINTENANCEJun 15, 2018 · N548LM · Lear 31 · Air Distribution SystemSDR ZP7A20120808001Control Unit · failedIN THE DESCENT PORTION OF THIS FLIGHT, THE FIRE T HANDLES, BOTH FIRE EXTINGUISHER ARMED LIGHTS, BOTH MASTER CAUTION WARNING LIGHTS, SECONDARY INVERTER LIGHT, AND A SPARE WARNING LIGHT ALL ILLUMINATED AT THE SAME TIME. CREW OBSERVED NORMAL ENGINE INDICATIONS (Aug 8, 2012 · N103JL · Lear 31 · Central WarningSDR A9JA2012F00106Starter Gen · failedPILOTS NOTICED A VIBTATION IN FLIGHT (APP 25 MIN. INTO FLIGHT). CREW TRIED TO DETERMINE SOURCE OF VIBRATION (RUMBLE). RT GENERATOR WENT OFF LINE, CREW RETURNED TO HOME BASE. REMOVED RT STARTER/GENERATOR AND FOUND THE BEARINGS & SHAFT SHIFTED OUT OF THE STARJun 6, 2012 · N90BA · Lear 31 · Starter-GeneratorSDR CA090813009Fuel Control · unserviceableENGINE FLAME OUT ON TAXI FCU REPLACED ACFT RETURN TO SERVICE.Jul 1, 2009 · Lear 31 · Fuel Control/Turbine EnginesSDR CA071010004Brushes · burned(CAN) BRUSH ASSEMBLIES BURNED. (TC NR 20071010004)Sep 26, 2007 · Lear 31 · AC Generator-AlternatorSDR 2006FA0000987Line · chafedBLEED AIR CLAMP POSITIONED OB OF FUEL LINE CHAFED INTO FUEL LINE CAUSING A FUEL LEAK WITH BOOST PUMP PRESSURE. (K)Sep 22, 2006 · N5VG · Lear 31 · Aircraft Fuel Distribution SystemSDR 8921Relay · shortedLEFT ENGINE WOULD NOT START. TROUBLESHOT TO SHORTED RELAY ON FUEL RELAY PANEL.Mar 3, 2006 · Lear 31 · Fuel System WiringSDR DELA20050001Smoke · detectedIMMEDIATELY FOLLOWING TAKEOFF, THE FLIGHT CREW OBSERVED AN ODOROUS VAPOR IN THE CABIN. FOLLOWING CONTACT WITH ATC AND REDUCING CABIN AIR INFLOW, THE CREW IMMEDIATELY RETURNED TO THE DEPARTURE AIRPORT UNEVENTFULLY. THE SMOKE OR VAPOR ACCUMULATION BEGAN DISSIPJan 14, 2005 · N888CP · Lear 31 · Air Distribution SystemSDR 31201081704Gcu · out of toleranceCLIMBING THRU FL220, YELLOW ELEC PWR MONITOR LIGHT FLASHING AND VDC READ 29.6. PERFORMED EMERGENCY CHECKLIST AND WHEN LT GEN SHUT OFF, VDC READ 30.0. RETURNED TO DEPARTURE AIRPORT WITH RT GEN OFF. MAINTENANCE FOUND RT GCU NOT WITHIN ADJUSTED TOLERANCE. ADJUSTAug 17, 2004 · N137FX · Lear 31 · DC Generating SystemSDR 3117705162004Valve · failedAT FL390, CABIN DOOR BEGAN TO SQUEAL. AT FL405, CABIN BEGAN TO CLIMB 1,500 TO 2,000 FPM. CREW REQUESTED LOWER ALTITUDE FROM LAX ATC BUT WERE DENIED. AT THAT POINT, CREW DECLARED AN EMERGENCY DUE TO INABILITY TO CONTROL CABIN PRESSURE. AIRCRAFT LANDED WITHOUT May 16, 2004 · N132FX · Lear 31 · Cabin Pressure Control SystemSDR 3117504062004Switch · out of rigDOOR WARNING LIGHT WOULD NOT EXTINGUISH. THE DOOR WAS VERIFIED AS PINNED AND THE ITEM WAS DEFERRED. ON TAKE-OFF, THE DOOR SEAL SQUEALED EXCESSIVELY AND THE AIRCRAFT WOULD NOT PRESSURIZE. AIRCRAFT RETURNED TO THE DEPARTURE AIRPORT. SUBSEQUENT MAINTENANCE FOUND Apr 6, 2004 · N131FX · Lear 31 · Passenger/Crew DoorsSDR G2W2004F00000Fcu · faultyTHE AIRCRAFT WAS DECENDING THROUGH 10,000 FT TRASITIONING FROM THE ENROUTE TO APPROACH PHASE OF FLIGHT. IT WAS AT THIS TIME THAT THE CAPTAIN NOTICED THE LT ENGINE INDICATIONS ROLLED BACK SHOWING A DEAD ENGINE. THE CAPTAIN MOVED THE LT THROTTLE TO SEE IF THE Mar 8, 2004 · N555VR · Lear 31 · Fuel Control/Turbine EnginesSDR 54140Plenum · crackedFOUND CRACKED AT THE PRIMARY FUEL NOZZLE BOSS.Jan 19, 2004 · Lear 31 · Engine (Turbine/Turboprop)SDR CCA2003F00000Control Cable · wornFOUND LT AFT ELEVATOR CABLE MISROUTED AND CUTTING INTO STRUCTURE RIB AT FRAME 29 STA 541.57. CABLE REPLACED DURE TO WEAR AT STRUCTURE RIB. CABLE HAD 640.6 SINCE NEW INSTALLED 10/7/2000.Jan 25, 2003 · N90BA · Lear 31 · Elevator Control SystemSDR WIB2002F00010Indicator · inoperativePITCH TRIM INDICATOR INOPERATIVE, OPEN FROM RHEOSTAT ON STAB JACK ACTUATOR. INSPECTION AND OVERHAULED EVERY 600 HOURS.Sep 17, 2002 · N90WA · Lear 31 · Stabilizer Control SystemSDR WIB2002F00007Bellcrank · crackedTHE ELEVATOR BELLCRANK WAS CRACKED WHERE THE THRU BOLTS CONNECT IT TO THE TORQUE TUBE ON THE ELEVATOR. THE BELLCRANK IS A CAST PIECE.Aug 7, 2002 · N19LT · Lear 31 · Elevator Control SystemSDR WIB2002F00006Actuator · failedSTAB ACTUATOR BAD FROM STOCK. DAMAGED ANOTHER COMPONENT. NOT THE FIRST TIME. PITCH TRIM WOULD FAIL IN PRIMARY MODE AFTER OVERHAULED UNIT WAS INSTALLED.Aug 1, 2002 · N90WA · Lear 31 · Stabilizer ActuatorSDR DBC2002F00003Indicator · failedUPON LANDING (TAKEOFF TRIM) ANNUNCIATOR ILLUMINATED. PILOT CHECKED PITCH TRIM INDICATOR AND FOUND IT INDICATED TRIM WAS WITHIN TAKEOFF LIMITS. OPERATION OF PITCH TRIM SWITCH WOULD ADJUST TRIM BUT INDICATOR DID NOT MOVE. TROUBLESHOT TO FAILED TRIM INDICATOR.Jun 6, 2002 · N350DS · Lear 31 · Elevator Tab Control SystemSDR WIB2002F00005Bracket · crackedNOSE ROLLER ATTACH BRACKETS INBOARD AND OUTBOARD ON LEFT AND RIGHT FLAPS CRACKED.May 31, 2002 · N90WA · Lear 31 · Fuselage Main, Attach FittingsSDR DBC2002F00001Indicator · failedSHORTLEY AFTER TAKEOFF, PILOT NOTED THAT THE AILERON TRIM INDICATOR FAILED. PILOT RETURNED TO AIRPORT WITHOUT INCIDENT. T/S TO FAILED INDICATOR. REPLACED INDICATOR (PN 6608217-11) (SN 879) OFF, (SN 372) ON. OPS CHECKED OK. DBCA-122DMar 14, 2002 · N350DS · Lear 31 · Aileron Control SystemSDR WIB2001F00001Seat · crackedBACKPLATE OF SEAT IS CRACKED AT THREE OF THE FOUR CORNERS OF THE HOLE WHERE THE SHOULDER STRAP INERTIA REEL MOUNTS. FOUND DURING INSPECTION.Oct 15, 2001 · N5VG · Lear 31 · Passenger Compartment EquipmentSDR 20010409CW020Starter Gen · failedAFTER TAKEOFF VIBRATION COMING FROM RIGHT SIDE OF AIRCRAFT. BROUGHT RIGHT ENGINE TO IDLE, NO CHANGE.Mar 1, 2001 · N202LC · Lear 31 · Starter-GeneratorSDR 20001016SH016Screw · nickedSCREW ASSEMBLY BAD FROM STOCK. SCREW ASSEMBLY, S/N K320L, HAD TWO NICKS ON THREAD SURFACE. (X)Sep 13, 2000 · N331N · Lear 31 · Stabilizer ActuatorSDR 20001016SH015Screw · corrodedSCREW ASSEMBLY BAD FROM STOCK. SCREW ASSEMBLY, S/N K138L, WAS FOUND CORRODED WHEN REMOVED FROM WRAPPING. (X)Sep 13, 2000 · N331N · Lear 31 · Stabilizer ActuatorSDR 99ZZZX2202Bracket · crackedFLAP ACTUATOR BRACKET CRACKED AT OPPOSITE END ACTUATOR ATTACHED TO. RIVETS SHEARED ALSO. SUBMITTER STATED THIS IS THE SECOND FOUND LIKE THIS WITHIN A 2-MONTH TIME FRAME. BOTH AIRCRAFT HAVE SIMILAR TIMES.May 14, 1999 · N5VG · Lear 31 · Trailing Edge FlapsSDR 95ZZZX3098Diffuser Tube · crackedDURING TROUBLESHOOTING A WINDSHIELD DEFOG PROBLEM AND RT AFT CABIN 'HOT' AREA, THE RIGHT CABIN AIR DIFFUSER INNERTUBE WAS FOUND CRACKED ALONG THE COMPLETE CIRCUMFERENCE OF THE ASSEMBLY WELD. A LOSS OF AIR FLOW TO THE WINDSHIELD DEFOG AREA, PLUS A GREATER VOLUJun 16, 1995 · N92EC · Lear 31 · Air Distribution Fan
Back to Learjet 31