Learjet 31A

Service difficulty reports · 128

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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 = '31A'
  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 ZES2002F00000Switch · inoperativePILOT REPORTED, NO DOWN AND LOCKED INDICATION ON THE RIGHT MAIN LANDING GEAR, LAMP TESTED OK. PERFORMED EMERGENCY GEAR EXTENSION IAW AFM. FOUND DEFECTIVE DOWN AND LOCK SWITCH ON THE RIGHT MAIN LANDING GEAR ACTUATOR, REPLACED WITH NEW. OPS CHECKED, OK.Jan 31, 2002 · N316AS · Lear 31A · Landing Gear Door ActuatorSDR 2001FA0000503Stringer · crackedTHE RIB IS CRACKED IN 3 EACH PLACES WERE IT ATTACHES TO SKIN CRACKS ORIGINATE FROM RIVETS AND CRACKING TOWARDS OTHER RIVETS.Nov 6, 2001 · N370SC · Lear 31A · Fuselage Main, Longeron/StringerSDR 2001F00063Overlay · crackedDURING FLIGHT, PILOT OBSERVED SMOKE COMING FROM THE ENGINE INSTRUMENT PANEL LEFT ITT INDICATOR. PILOT DECLARED EMERGENCY AND LANDED. INVESTIGATION REVEALED THAT THE LIGHTING OVERLAY HAD CRACKED AND WAS ARCING AT THE CRACK. NO ARCING TO THE LOCAL STRUCTURE WMar 19, 2001 · N70AE · Lear 31A · Flight Compartment LightingSDR 20001229SH009Bolt · misinstalledTHE BOLT, PN AN 24-30, THAT ATTACHES THE NOSE GEAR DOOR ROD ASSEMBLY TO THE NOSE STRUT WAS INSTALLED WITH THE HEAD INBOARD. THIS ALLOWED THE NUT AND THREADED END OF THE BOLT TO RUB THE LEFT SIDE OF THE NOSE GEAR WELL BOX, DURING RETRACTION. A REPAIR WAS MADEDec 14, 2000 · N44QG · Lear 31A · Landing Gear DoorsSDR CA000530038Bearing · disintegrated(CAN) LEFT GENERATOR TRIPPED OFF IN-FLIGHT AND WOULD NOT RESET. ON INSPECTION, FOUND GENERATOR FRONT BEARING UNSERVICEABLE. REMOVED GENERATOR AND REPLACED WITH O/H UNIT. VIBRATIONS FELT THROUGHOUT AIRCRAFT WHEN GEN TRIPPED OFF LINE.May 4, 2000 · Lear 31A · DC Generator-AlternatorSDR 20000626SH007Bolt · misinstalledGOUGE IN NOSE WHEELWELL BAY CAUSED BY PREVIOUSLY INCORRECT INSTALLATION OF BOLT IN THE NOSE GEAR. (X)Apr 12, 2000 · N45UF · Lear 31A · Main Landing Gear Attach SectionSDR 20000626SH004Beam · leakingTHREE AFT CABIN FLOOR BOX BEAMS HAVE PRESSURIZATION LEAKS. TWO BOX BEAMS, ONE ON RIGHT, AND ONE ON LEFT, AT BS 355.49. ONE BOX BEAM ON RIGHT SIDE AT BS 381.79. (X)Apr 12, 2000 · N45UF · Lear 31A · Fuselage Miscellaneous StructureSDR CA000224042Cable · cracked(CAN) DURING DAILY INSPECTION WITH COWLING OPEN AFTER REPAIRING A SNAG,THE HELIX WINDING (FLEX HOUSING) WAS CRACKED AND PULLED BACK FROM THE SWAGGED END AT THE POWER CONTROL ASSEMBLY ON THE RT ENGINE. CABLE ASSY REPLACED. NOTE: CRACK HAD NO EFFECT ON A/C AT TJan 20, 2000 · Lear 31A · Engine ControlsSDR 99ZZZX1826Delta Fin · crackedTOP SKIN OF RIGHT DELTA FIN CRACKED UNDER THE OUTBOARD STATIC WICK. CRACK EXTENDED ALONG SIDE OF STATIC WICK BASE. WAS NOTICED BY BLACK STREAKING ALONG ONE SIDE.Mar 1, 1999 · N119FX · Lear 31A · Ventral StructureSDR 99ZZZX834Brake · failedAT LIFT-OFF, PILOT HEARD A SCREECHING NOISE AND SMELLED A BURNING ODOR COMING FROM THE WHEELWELL. PILOT EXTENDED LANDING GEAR, PERFORMED A FLY-BY AT AUS AND PERFORMED A NON-EVENTFUL LANDING. INVESTIGATION REVEALED NO DAMAGE OTHER THAN THE NR 3 BRAKE ASSY CAMOct 29, 1998 · N120FX · Lear 31A · BrakeSDR 99ZZZX58Connector · looseA 'WIGGINS' CONNECTOR IN THE RIGHT ENGINE FUEL FEED, FORWARD AND ADJACENT TO THE RIGHT BATTERY TRAY BECAME DISLODGED CAUSING THE RIGHT ENGINE TO FLAME OUT. THE CONNECTOR WAS REFITTED AND WIRE LOCKED (AN OPTION IN LEAR JET SIL 28-004). NO LEAKS APPARENT IN SUOct 17, 1998 · N770CC · Lear 31A · Aircraft Fuel Distribution SystemSDR 98ZZZX2961Generator · failedLEFT ENGINE STARTER/GENERATOR DRIVE END BEARING FAILED CAUSING CATASTROPHIC FAILURE OF STARTER/GENERATOR. (IN-FLIGHT). STARTER/GENERATOR DRIVE SHAFT FAILED TO SHEAR AS DESIGNED RESULTING IN SEVERE VIBRATION, ENGINE IN-FLIGHT SHUT DOWN, ENGINE DAMAGE. SHAFT Jul 9, 1998 · N444HC · Lear 31A · Starter-GeneratorSDR CA970521009Oil Cap · loose(CAN) LOSS OF OIL PRESSURE INDICATION ON LT ENGINE DURING CLIMB. ENGINE PRECAUTIONARY SHUT DOWN CARRIED OUT. FOUND LT ENGINE OIL DIPSTICK CAP NOT SECURE. CLEANED ENGINE, REPLACED OIL CAP PACKING, AND RE-SERVICED ENGINE OIL SYSTEM.Mar 19, 1998 · Lear 31A · Turbine Engine Oil SystemSDR 97ZZZX4376Indicator · inoperativeRECEIVED NEW N2 INDICATOR UNIT FROM LEARJET. REMOVED FROM BOX, UNIT INOPERABLE. RETURNED UNUSED TO LEARJET FOR REPLACEMENT. RECEIVED SECOND UNIT. INSTALLED ON AIRCRAFT AND RETURNED TO SERVICE. (PN 131348-3).Sep 15, 1997 · N107FX · Lear 31A · Engine RPM Indicating SystemSDR 97ZZZX4375Tube · dentedRECEIVED NEW BLEED AIR TUBE ASSY FROM LEARJET WITH SEVERAL LARGE DENTS. RETURNED UNUSED TO LEARJJET FOR REPLACEMENT. RECEIVED 2ND TUBE ASSY WITH NO DAMAGE. INSTALLED ON AIRCRAFT AND RETURNED TO SERVICE. (PN 2655101-62).Sep 15, 1997 · N107FX · Lear 31A · Pneumatic Distribution SystemSDR 97ZZZX3628Engine · flame outRIGHT ENGINE ROLLED BACK AND FLAMED OUT CLIMBING FROM 44,000 FEET TO 45,000 FEET. NO INDICATION OF PROBLEM UNTIL AIRCRAFT YAWED. CONDITIONS SPEED - .74 TO .75 MACH. OAT = -61C. POWER = MAX COUNTS. AIRCRAFT DESCENDED TO 25,000 FEET, UNABLE TO WINDMILL STARJul 20, 1997 · N108FX · Lear 31A · Engine (Turbine/Turboprop)SDR 97ZZZX1485Pitch Servo · defectiveAUTOPILOT PORPOISES DEFECT. FOUND WEAK SERVO, REPLACED SWITCH REPAIRED UNIT. CONTINUED MALFUNCTION WITH AUTOPILOT. LENGTHY TROUBLESHOOTING FOUND REPAIRED SERVO FAULT HAD BLOWN FUSE IN MODE SELECTOR DUE TO AP ELECTRICAL BOX FEEDBACK TO AP. ALL DEFECTIVE COMMar 17, 1997 · N293SA · Lear 31A · Autopilot Main ServoSDR AU970115Gasket · failed(AUS) ENGINE TO PYLON BLEED AIR DUCT GASKET BLOWN OUT AND TWO DUCT SECURING NUTS MISSING (BOLTS INTACT) - SUSPECT BOLTS NOT TORQUED DURING ENGINE INSTALLATION - PERSONNEL/MAINTENANCE ERRORFeb 19, 1997 · Lear 31A · Pneumatic Distribution SystemSDR CA970114015Elbow · loose(CAN) DURING A WALK AROUND, HYDRAULIC FLUID WAS NOTICED LEAKING FROM THE NOSE GEAR AREA. GEAR AREA CLEANED UP AND GEAR SWING CARRIED OUT. FLUID NOTICED LEAKING FROM AROUND THE RETRACT LINE OF THE NOSE GEAR ACTUATOR. FITTING FOUND TO BE LOOSE. FITTING TIGHTDec 20, 1996 · Lear 31A · Landing Gear Retraction/Extension SystemSDR 96ZZZX6174Gear Assy · damagedDURING DESCENT INTO ICT, PILOT REPORTED UNUSUAL NOISE FROM RT ENGINE. AFTER LANDING AND SHUT DOWN, ROTATION OF FAN BY LEAR JET MECHANIC CONFIRMED NOISE. INSP FOUND A BAYONET FROM A STUD IN THE TEETH OF THE FAN SUPPORT RING GEAR FOR GEARBOX. INSPECTION FOUNDDec 11, 1996 · N112FX · Lear 31A · Turbine Engine Reduction GearSDR 96ZZZX2092Hose · leakingHOSE ASSEMBLY LEAKING HYDRAULIC FLUID THROUGH THE WALLS OF THE NOSE WHEN THE BRAKES ARE APPLIED.Apr 3, 1996 · N789SR · Lear 31A · Landing Gear Brake SystemSDR 96ZZZX2091Hose · leakingHOSE LEAKING FROM BOTH SWAGED ENDS WHEN LANDING GEAR IS EXTENDED.Apr 3, 1996 · N789SR · Lear 31A · Landing Gear Retraction/Extension SystemSDR 96ZZZX820Trim Monitor · failedON THREE SEPARATE OCCASIONS, AIRCRAFT HAS BEEN DEICED. ON ALL THREE OCCASIONS, THE AUTOPILOT QUIT SHORTLY AFTER TAKEOFF. INVESTIGATION REVEALED THE TRIM MONITOR BOX MOUNTED AT THE BASE OF VERTICAL FIN SPAR (AFT SIDE) WAS SATURATED WITH DEICING FLUID. KING RJan 17, 1996 · N92UG · Lear 31A · Autopilot SystemSDR 95ZZZX6839Bolts · lost torqueDURING 1,200-HOUR INSPECTION, NOTED TORQUE PUTTY BROKEN ON WING ATTACHMENT BOLTS. CHECKED AND NOTED ALL 8 ATTACHMENT NUTS HAD LOW TORQUE. RE-TORQUED TO MFG SPECS.Nov 10, 1995 · N742E · Lear 31A · Wing, Attach FittingsSDR 95ZZZX5258Tube Assy · chafedFUEL ODOR NOTICED INSIDE TAILCONE DURING ROUTINE 1,200-HOUR INSPECTION. TRACED TO LT ENGINE MAIN FUEL TUBE ASSY WHERE IT PASSES NEXT TO CABIN AIR DISTRIBUTION DUCT COUPLING. THE COUPLING LOCK TAB HAD CHAFED THROUGH THE TUBE. WITH FUEL PRESSURE UP, THE FUEL Sep 1, 1995 · N741E · Lear 31A · Aircraft Fuel Distribution SystemSDR 95ZZZX3946Valve · looseFLIGHT CREW REPORTED THEY COULD NOT ACHIEVE A COMFORTABLE TEMPERATURE IN THE CABIN (UNABLE TO COOL). TROUBLESHOOTING REVEALED THE HOT AIR BYPASS VALVE DOOR HAD ROTATED ON ITS SHAFT AND WOULD NOT FULLY CLOSE. THE DOOR IS HELD ON THE SHAFT WITH 4 SET SCREWS. Jun 30, 1995 · N740E · Lear 31A · Cabin Cooling SystemSDR 95ZZZX3947Switch · arm failedLEFT THRUST REVERSER WOULD DEPLOY ON GROUND ANY TIME SYSTEM WAS ARMED WITHOUT SELECTING DEPLOY. INSPECTED AND FOUND STOW/DEPLOY SWITCH MECHANICAL ARM AND ROLLER BROKEN OFF FROM SWITCH DUE TO FAILURE OF MECHANICAL ARM TO PIVOT POINT THROUGH PIN WELD.Jun 27, 1995 · N742E · Lear 31A · Engine Thrust ReverserSDR 95ZZZX1745Line · b-nut looseON A FLIGHT FROM RIC TO RDU WITH RDU IN SIGHT, HYDRAULIC PRESSURE WENT TO ZERO. GEAR WAS BLOWN DOWN. CHECK LIST FOLLOWED FOR A NO-HYDRAULIC PRESSURE LANDING. FLUID WAS EVIDENT IN NOSE WHEELWELL. MAINTENANCE TECHNICIANS DETERMINED ONLY PARTIAL LOSS OF FLUIDMar 16, 1995 · N92EC · Lear 31A · Hydraulic System, Main
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