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 0038Pressure Switch · out of limitsDURING A 2400 HOUR INSPECTION, THE ABSOLUTE PRESSURE WARNING SWITCH FOR THE PRESS CONTROLLER WAS FOUND TO BE DEFECTIVE. A REPLACEMENT UNIT WAS PURCHASED FROM THE AIRFRAME MANUFACTURER AND WAS ALSO FOUND TO BE OUT OF TOLERANCE. A TOTAL OF 9 UNITS WERE PURCHASJun 22, 2004 · N222BE · Lear 35A · Cabin Pressure SensorSDR 0037Pressure Switch · out of limitsDURING A 2400 HOUR INSPECTION, THE ABSOLUTE PRESSURE WARNING SWITCH FOR THE PRESS CONTROLLER WAS FOUND TO BE DEFECTIVE. A REPLACEMENT UNIT WAS PURCHASED FROM THE AIRFRAME MANUFACTURER AND WAS ALSO FOUND TO BE OUT OF TOLERANCE. A TOTAL OF 9 UNITS WERE PURCHASJun 22, 2004 · N222BE · Lear 35A · Cabin Pressure SensorSDR 0036Pressure Switch · out of limitsDURING A 2400 HOUR INSPECTION, THE ABSOLUTE PRESSURE WARNING SWITCH FOR THE PRESS CONTROLLER WAS FOUND TO BE DEFECTIVE. A REPLACEMENT UNIT WAS PURCHASED FROM THE AIRFRAME MANUFACTURER AND WAS ALSO FOUND TO BE OUT OF TOLERANCE. A TOTAL OF 9 UNITS WERE PURCHASJun 22, 2004 · N222BE · Lear 35A · Cabin Pressure SensorSDR 0035Pressure Switch · out of limitsDURING A 2400 HOUR INSPECTION, THE ABSOLUTE PRESSURE WARNING SWITCH FOR THE PRESS CONTROLLER WAS FOUND TO BE DEFECTIVE. A REPLACEMENT UNIT WAS PURCHASED FROM THE AIRFRAME MANUFACTURER AND WAS ALSO FOUND TO BE OUT OF TOLERANCE. A TOTAL OF 9 UNITS WERE PURCHASJun 22, 2004 · N222BE · Lear 35A · Cabin Pressure SensorSDR 0034Pressure Switch · out of limitsDURING A 2400 HOUR INSPECTION THE ABSOLUTE PRESSURE WARNING SWITCH FOR THE PRESSURIZATION CONTROLLER WAS FOUND TO BE DEFECTIVE. A REPLACEMENT UNIT WAS PURCHASED FROM THE AIRFRAME MANUFACTURER AND WAS ALSO FOUND TO BE OUT OF TOLERANCE. A TOTAL OF 9 UNITS WEREJun 22, 2004 · N222BE · Lear 35A · Cabin Pressure SensorSDR 0033Pressure Switch · defectiveDURING A 2400 HOUR INSPECTION, THE ABSOLUTE PRESSURE WARNING SWITCH FOR THE PRESS CONTROLLER WAS FOUND TO BE DEFECTIVE. A REPLACEMENT UNIT WAS PURCHASED FROM THE AIRFRAME MANUFACTURER AND WAS ALSO FOUND TO BE OUT OF TOLERANCE. A TOTAL OF 9 UNITS WERE PURCHASJun 22, 2004 · N222BE · Lear 35A · Cabin Pressure ControllerSDR 0032Pressure Switch · out of limitsDURING PERFORMANCE OF A 2400 HOUR INSPECTION THE ABSOLUTE PRESSURE SWITCH FOR THE AURAL WARNING ON THE PRESSURIZATION SYSTEM, FAILED FUNCTION CHECK. THE UNIT IS TOO CLOSE THE SWITCH AND PROVIDE AURAL WARNING TO THE FLIGHT CREW AT 8,750 FEET + OR - 250 FT. THJun 20, 2004 · N222BE · Lear 35A · Cabin Pressure SensorSDR 0031Bleed Valve · contaminatedAFTER T/O IFR CONDITIONS PILOT NOTICED LT ENG UNABLE TO MAINTAIN N1 POWER & ITT CLOSE TO MAX. RETURNED TO BASE. MX PERFORMED GROUND RUN, WAS ABLE TO VERIFY CONDITION ON GROUND. ENG SURGE VALVE SOLENOID PACK FOUND TO HAVE WATER CONTAMINATION. ENG REMOVED ENJun 17, 2004 · N553V · Lear 35A · Compressor Bleed ValveSDR 0030Bleed Valve · stuckAFTER T/O IFR CONDITIONS, PILOT NOTICED LT ENG UNABLE TO MAINTAIN N1 POWER & ITT WAS CLOSE TO MAX. RETURNED TO BASE. MX PERFORMED GROUND RUN & WAS ABLE TO VERIFY CONDITION ON GROUND. ENG SURGE VALVE SOLENOID PACK FOUND TO HAVE WATER CONTAMINATION. ENG REMOJun 17, 2004 · N553V · Lear 35A · Compressor Bleed ValveSDR 0029Tire · bulgedDURING PREFLIGHT CHECK OF THE AIRCRAFT THE NR 3, RT INBOARD, TIRE HAD A BULGE IN THE TREAD AREA OF THE TIRE. THE WHEEL AND TIRE WERE REPLACED WITH A SERVICEABLE UNIT. THIS UNIT HAD NOT FAILED AT THIS POINT BUT FAILURE OF THE TIRE COULD RESULT IN DAMAGE TO UNMay 14, 2004 · N244LJ · Lear 35A · TireSDR 0028Bleed Valve · defectiveDURING TAKEOFF ROLL, PILOT UNABLE TO GET PROPER N1 INDICATION REQUIRED FOR TAKEOFF & ENGINE THEN STARTED ROLLING BACK ON POWER. TAKEOFF ABORTED & AIRCRAFT STOPPED WITHOUT INCIDENT. MX INSPECTED ENGINE & PERFORMED A GROUND RUN, UNABLE TO DUPLICATE PROBLEM. DApr 27, 2004 · N553V · Lear 35A · Compressor Bleed ValveSDR CA040422002Thermocouple · shorted(CAN) IN CLIMB AND CRUISE ALTITUDE THE FLIGHT CREW NOTICED A FLUCTUATION OF THE ITT ON THE RT ENGINE INDICATOR (ITT). TROUBLESHOOTING WAS DONE BY MAINTENANCE PERSONNEL AND THEY FOUND THE RT ITT HARNESS WAS TOUCHING THE OUTER CASE OF THE EXHAUST SHROUD (POOR RApr 21, 2004 · Lear 35A · Engine EGT/TIT Indicating SystemSDR BAQA094195Volt Regulator · inoperativeVOLTAGE REGUALTOR IS GIVING HIGH READINGS, WILL NOT REGULATE AMP GAUGE. REPLACED WITH SERVICABLE UNIT FROM JEARJET, 04/19/2004Apr 16, 2004 · N30DK · Lear 35A · AC RegulatorSDR CA040402002Outflow Valve · failed(CAN) AIRCRAFT AT A CRUISE ALTITUDE CABIN DEPRESSURIZED. O2 SYSTEM ACTIVATED AUTOMATICLY. EMERGENCY DESCENT DECLARED.Apr 1, 2004 · Lear 35A · Pressure Regulator/Outflow ValveSDR 2004F00246Blade · crackedNR 2 RIGHT ENGINE FAILURE DURING TAKEOFF ROLL. TAKEOFF ABORTED. VISUAL INDICATES FAN BLADE CRACKED AT HUB AND SEPARATED. EVALUATION TO DETERMINE CAUSE BEING CONDUCTED BY HONEYWELL. (M)Mar 26, 2004 · N815DD · Lear 35A · Turbine Engine Compressor SectionSDR 2004F00143Switch · failedDURING TAXI, WITH ANTI-SKID SYSTEM ON, HYDRAULIC PRESSURE WAS PRESENT BUT NO BRAKING ACTION OCCURRED. FURTHER INVESTIGATION REVEALED THAT THE RIGHT MLG DOWN SAFETY SWITCH FAILED. SWITCH REPLACEMENT CORRECTED THE PROBLEM. (M)Mar 16, 2004 · N360LJ · Lear 35A · Landing Gear Position and WarningSDR 2004FA0000282Tire · failedTREAD ON RIGHT MAIN LANDING GEAR OUTBOARD TIRE SEPARATED ON TAKEOFF. THE TIRE WAS INSTALLED ON FEBRUARY 8, 2002. AT THAT TIME THE AIRCRAFT TOTAL TIME WAS 3683.3 ON MARCH 7, 2004 THE TREAD SEPARATED, AT THE TIME OF SEPARATION THE AIRCRAFT TOTAL TIME WAS 3889Mar 15, 2004 · N35SM · Lear 35A · TireSDR 0025Diode · disconnectedDURING DESCENT INTO DESTINATION AIRPORT, THE PILOT WAS UNABLE TO GET THE GEAR TO EXTEND. AFTER ATTEMPTING A COUPLE OF TIMES AND AFTER PULLING AND RESETING THE GEAR CONTROL CIRCUIT BREAKER, THE GEAR WAS EXTENDED USING THE EMERGENCY GEAR EXTENSION PROCEDURE ANDMar 3, 2004 · N49BE · Lear 35A · Landing Gear Retraction/Extension SystemSDR CA040303001Blade · damaged(CAN) A MECHANIC WAS CARRYING OUT A SERVICE CHECK AND HE NOTICED FOD IN THE RT ENGINE INTAKE. UPON INSPECTION OF THE INTAKE, FOUND A PIECE OF BLADE RUB STRIP MISSING, REAR ACOUSTIC LINER DAMAGE AND TWO DAMAGED FAN BY PASS STATOR BLADES. ONE FAN BLADE DAMPENERMar 2, 2004 · Lear 35A · Turbine Engine Compressor SectionSDR YDB2004F00000Bolt · brokenRETURNING FROM LAST FLIGHT OF DAY PILOTS REPORTED A LOUD BANG IN UPPER MID CABIN AREA. MAINTENANCE INVESTIGATED AND FOUND UPPER CABIN DOOR FWD TORSION BAR ANCHOR BOLT BROKEN. BOLT APPEARS TO HAVE FATIGUE TYPE FAILURE.Mar 1, 2004 · N35ED · Lear 35A · FastenersSDR ESU2004F00000Carbon Seal · leakingUPON COMPLETION OF A FOUR POINT RUN AND CASE PRESSURE CHECK IT WAS NOTED THAT THE NR 3 AND NR 4, CARBON SEALS WERE LEAKING. THIS REQUIRED AND ENGINE CHANGE OF NR 1 ENGINE.Feb 29, 2004 · N274JS · Lear 35A · Turbine Engine Oil SystemSDR ESPAOdor · detectedSMOKE WAS SUSPECTED IN CABIN. ENTIRE AREA IN SUSPECTED AREA WAS INSPECTED. NO DEFECTS WERE FOUND. PILOT REPORTED LEADING EDGE ANTI-ICE WAS INADVERTENTLY LEFT ON POSSIBLE CAUSING THE SMELL OF SMOKE. AIRCRAFT WAS RUN, SYSTEMS WERE OPERATIONALLY CHECKED AND FFeb 25, 2004 · N568PA · Lear 35A · Air Distribution SystemSDR 0409Warning Light · inoperativeGOING INTO ATL HAD NO NOSE GEAR DOWN AND LOCK LIGHT LANDED NO PROBLEM.Feb 25, 2004 · N81FR · Lear 35A · Nose/Tail Landing GearSDR 0024Sensor · shortedTHE LEFT ENGINE COMPUTER LIGHT ILLUMINATED IN CRUISE, DEEC (DIGITAL ELECTRONIC ENGINE CONTROL) DROPPED OFF-LINE. DEEC SUCCESSFULLY RESET ONCE DURING DESCENT (N2 AT 55 PERCENT). THE DEEC DROPPED OFF-LINE AGAIN ON APPROCH WHEN ENGINE WAS POWERED ABOVE 75 PERCEFeb 20, 2004 · N244LJ · Lear 35A · Fuel Controlling SystemSDR 2004F00099Transducer · malfunctionedCREW REPORTED ERRATIC BRAKING WITH ANTI-SKID SYSTEM ENGAGED. FURTHER INVESTIGATION FOUND THAT THE ANTI-SKID 'OFF' LIGHTS WOULD FAIL TO COME ON AND WOULD NOT RESET. AN ELECTRICAL CONNECTOR ON THE ANTI-SKID INDICATION PANEL WAS FOUND LOOSE AND WAS REPAIRED. AFeb 6, 2004 · N360LJ · Lear 35A · Brake Anti-Skid SectionSDR UO22004F00007Bearing · failed1 EA PLANETARY BEARING FAILED, CAUSING MASSIVE CHAIN REACTION FAILURE WITHIN FAN GEARBOX.Jan 29, 2004 · N35TJ · Lear 35A · Turbine Engine Reduction GearSDR UO22004F00001Planetary Gear · failed1 EACH PLANETARY BEARING FAILED, CAUSING MASSIVE CHAIN REACTION FAILURE WITHIN FAN GEARBOX.Jan 29, 2004 · N35TJ · Lear 35A · Turbine Engine Reduction GearSDR UO22004F00000Stator · damaged4TH LPC STATOR LOST 1 EACH VANE, RELATED DAMAGE INCLUDES HIGH AND LOW PRESSURE COMPRESSORS, AND HIGH AND LOW PRESSURE TURBINES.Jan 29, 2004 · N35TJ · Lear 35A · Turbine Engine Compressor SectionSDR CA040119001Switch · faulty(CAN) AFTER TAKE-OFF PILOT SELECTED THE GEAR HANDLE TO THE UP POSITION. THE GEAR WOULD NOT RETRACT. AIRCRAFT RETURN TO MAINTENANCE BASE. MAINTENANCE TECH FOUND RT TRUNNION SWITCH AT FAULT. SWITCH REPLACED AND LANDING GEAR SYSTEM SWUNG. AIRCRAFT RETURN TO Jan 15, 2004 · Lear 35A · Landing Gear Position and WarningSDR 2004F00202Bearing · failedRT ENGINE TEMP (ITT) RISE FOLLOWED BY OIL PRESSURE FLUCTUATIN, O/P DROPPED TO YELLOW. ENGINE SHUT DOWN, EMERGENCY DECLARED, UNEVENTFUL LANDING SUSPECT LPT MODULE BEARING FAILURE. ENGINE SENT TO GARRETT FOR EXAMINATION. (M)Jan 6, 2004 · N32HJ · Lear 35A · Turbine SectionSDR 04001Fire Loop · malfunctionedRT ENGINE INDICATED A FIRE, SHUT DOWN RIGHT ENGINE AND FIRED BOTH FIRE BOTTLES. MAINTENANCE TROUBLESHOOT SYSTEM, DISCONNECED ALL THREE LOOPS, ALL CHECKED OUT GOOD. RECONNECTED SYSTEM, CHECKED OUT NORMAL. RETURNED TO SERVICE.Dec 29, 2003 · N27BL · Lear 35A · Fire DetectionSDR 0401Warning Light · false indicationRIGHT ENGINE INDICATED A FIRE, SHUT DOWN RIGHT ENGINE AND FIRED BOTH FIRE BOTTLES. HAD MAINT. TROUBLESHOOT SYSTEM, DISCONNECED ALL THREE LOOPS, ALL CHECKED OUT GOOD. RECONNECTED SYSTEM CHECKED OUT NORMAL. RETURNED TO SERVICE.Dec 29, 2003 · N27BL · Lear 35A · Fire DetectionSDR 120803Computer · malfunctionedUPON DEPARTURE THE PILOT EXPERIENCED A UNCOMMANDED ROLL. IT WAS FOUND THAT ONE SPOILER HAD DEPLOYED. THE CREW WENT THROUGH THE CHECKLIST AND MADE A NO FLAP LANDING.Dec 7, 2003 · N298NE · Lear 35A · Drag Control SystemSDR CA031127002Key · cracked(CAN) DURING A BRAKE ASSY OVERHAUL IAW MM, FOUND TORQUE TUBE KEY CRACKED. WE EXPERIENCE THIS TWICE SINCE LAST MONTH. THE TORQUE TUBE HOLD THE STATIONARY DISK IN PLACE. TORQUE TUBE REPLACED.Nov 27, 2003 · Lear 35A · BrakeSDR CA031125001Wire · broken(CAN) IN APPROACH FLIGHT CREW CANNOT EXTEND THE GEAR NORMALLY. EMERGENCY BLOW DOWN SYSTEM ACTIVATED(EMERGENCY EXTENSION). MAINTENANCE FOUND WIRE TO DIODE CR105(LOCATED ON RT INSTRUMENT PANEL NEAR EMERGENCY BATTERY SWITCH) BROKEN OFF. WIRE RECONNECTED TO DIODNov 17, 2003 · Lear 35A · Landing Gear System WiringSDR N382003F00003Control Valve · intermittentCREW REPORTED NO CABIN AIR AFTER TAKE-OFF FROM TEB. AIRCRAFT RETURNED TO ABE BELOW 10,000 FOR SWAP OUT WITH ANOTHER. AIRCRAFT GROUND RUN BY MAINTENANCE PERSONNEL AND OPERATED THROUGH NORMAL AND EMERGENCY MODES. IT WAS DETERMINED THAT FLOW CONTROL VALVE WAS Nov 14, 2003 · N825LJ · Lear 35A · Air Distribution SystemSDR 2003FA0001154Wire · looseAC WAS TAKING OFF WHEN RT FUEL COMPUTER LIGHT CAME ON AT APPROX 100 KNOTS. PILOT ABORTED TAKE OFF. DURING TAXI BACK TO FBO NR 3 AND NR 4 MLG WHEEL FUSIBLE PLUGS BLEW DUE TO OVERHEATED BRAKES. MECH INSTALLED A SPARE WHEEL AND TIRE ASSY ON RT MLG SO THAT AC CONov 4, 2003 · N44TT · Lear 35A · Engine Fuel System WiringSDR BAQA090538Valve · malfunctionedLIGHT REMAINS ON WITH SWITCH OFF. REPLACED WITH SERVICEABLE UNIT.Oct 28, 2003 · N30DK · Lear 35A · Ice/Rain Protection SystemSDR FJT03102491Bearing · failedCREW REPORTED, A SLIGHT FLUX WAS NOTED IN RT ENG INSTRUMENTS. A CHECK OF EEC WAS PERFORMED WITH NO EFFECT. ENG CONTINUED WITH UNCOMMANDED SHUT DOWN, CREW ELECTED TO SHUT DOWN ENG AND LAND, AN EMERGENCY WAS DECLARED AND UNEVENTFUL LANDING WAS MADE. MAINT DISOct 14, 2003 · N249B · Lear 35A · Turbine SectionSDR BAQA089689Actuator · inoperativeACTUATOR INOPERATIVE. WOULD NOT OPERATE THRUST REVERSERS IN OR OUT. REPLACED WITH SERVICEABLE UNIT.Oct 9, 2003 · N30DK · Lear 35A · Engine Thrust ReverserSDR BAQA089829Fuel Control · malfunctionedCAUSING FUEL FLOW FLUX. REPLACED WITH SERVICEABLE UNIT.Oct 8, 2003 · N30DK · Lear 35A · Fuel Control/Turbine EnginesSDR I122003F00001Rivet · failedRIVETS UNDERNEATH WING TIP TANK ACCESS PANEL FAILED. THESE MS426AD3 RIVETS SECURE SEALED NUTPLATES THAT HOLD THE ACCESS PANEL ATTACHMENT SCREWS. DURING THE MANUFACTURING PROCESS, THESE RIVETS WERE SHAVED FLUSH WITH THE ACCESS PANEL RECESS ON THE TIP TANK ANDSep 22, 2003 · N498JR · Lear 35A · FastenersSDR 2003FA0001059Wheel · crackedWHEEL HALF CRACKED ON INSIDE O-RING FLANGE.Sep 16, 2003 · N777DM · Lear 35A · Wheel/Ski/FloatSDR BSY2003F00023Engine · malfunctionedAFTER DEPARTING CMH, LT ENGINE OIL PRESSURE ROLLED BACK TO 18 PSI AND STAYED THERE. SHUT ENGINE DOWN, JETTISON FUEL AND LANDED BACK IN CMH. RESTARTED ENGINE, OIL PRESSURE RETURNED TO NORMAL. RESTARTED SEVERAL TIMES, ALL OK. FLEW TO HOME BASE, NO PROBLEMS.Sep 3, 2003 · N81FR · Lear 35A · Engine (Turbine/Turboprop)SDR N382003F00002Warning Light · false activationLT ENGINE FIRE LIGHT CAME ON FOR A FEW SECONDS. AFTER REDUCTION OF POWER, LIGHT EXTINGUISHED. NO OTHER INDICATIONS OF A FIRE. INSPECTED FIRE HARNESS LOOPS WITH NO DEFECTS NOTED. COMPLIED WITH FIRE LOOP RESISTANCE CHECKS IAW MFG MM AND FOUND WITHIN LIMITS. Aug 25, 2003 · N630SJ · Lear 35A · Fire DetectionSDR G73A200358G01Fire Warning · false activationCREW EXPERIENCED FIRE WARNING ON RT ENGINE DURING APPROACH. BOTH FIRE BOTTLES FIRED; ENGINE WAS SHUT DOWN WITHOUT CHANGE OF FIRE-WARNING INDICATION. LANDED, WITHOUT INCIDENT. NO EVIDENCE OF ACTUAL FIRE FOUND. AIRCRAFT FLOWN ON SPECIAL FLIGHT PERMIT; FALSE Aug 17, 2003 · N58GL · Lear 35A · Fire DetectionSDR BSY2003F00021Pump · inoperativeRT ENGINE ON STEEP DECENT, HAD OIL PRESSURE LIGHTS COME ON AND GAUGE DROPPED TO 10 PSI. SHUT DOWN ENGINE AND LANDED. RESTARTED ENGINE AFTER THEY WERE ON GROUND. OPS NORMAL. HAD DIRECT READING OIL PRESSURE GAUGE ON AND ADJUST TO THE TOP END LIMIT.Jul 29, 2003 · N31WR · Lear 35A · Turbine Engine Oil SystemSDR BAQA088122Radar · weakRADAR WEAK RETURNS. WRONG P/N R/T INSTALLED ON AIRCRAFT. HAS 12 INCH DISH. REPLACED WITH SERVICEABLE UNIT.Jul 17, 2003 · N30DK · Lear 35A · Weather Radar SystemSDR CA030618002Wheel · cracked(CAN) AT OVERHAUL THE INNER WHEEL HALF WAS FOUND TO BE CRACKED AT ONE CORNER RADIUS OF EACH BRAKE DISC KEYWAY. THE CRACKS EMINATED FROM A MACHINED NOTCH IN THE RADIUS OF THE CORNERS. THE OPPOSITE CORNER OF EACH KEYWAY WAS SMOOTH.Jun 17, 2003 · Lear 35A · Wheel/Ski/FloatSDR EPD2003F00000Light · shortedON 6/16/03, IN FLIGHT, CREW REPORTED SMOKE IN FLIGHT DECK. FOUND FLUORESCENT TUBE UNDER GLARESHIELD, INOPERATIVE (SHORTED) AND INSULATION BURNED. AIRCRAFT WAS RETURNED TO BASE WHERE LAMP WAS REPLACED.Jun 16, 2003 · N354EF · Lear 35A · Flight Compartment Lighting
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