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 EE0A202605310001Starter Gen · failedRT ENGINE FAILD TO RATATE ON START. REPLACED RT STARTER GENERATOR.May 31, 2026 · N631KA · Lear 31A · Starter-GeneratorSDR S2KA202604290001Indication Sys · faultedMOMENTARY LOSS OF AIRSPEED AND ALTIMETER. HAPPENED 2 TIMES IN FLIGHT.Apr 28, 2026 · N724SA · Lear 31A · Navigation SystemSDR S2KA251116412SWAhrs · faultyAHS 1 & 2 FAILURE. HAPPENED IN CRUISE, AHS 1 & 2 ANNUNCIATORS. CAME BACK TO LIFE AFTER WE WERE ALREADY HEADING BACK TO BASE. WHILE TROUBLESHOOTING THIS ISSUE #2 SYMBOL GENERATOR FAILED PN 066-04021-1111 OFF SN 4932, ON SN 2635. BOMBARDIER TECHNICAL SUPPORT RECNov 16, 2025 · N412SW · Lear 31A · Integrated Flight SystemSDR S2KA202507210452Fire Detector · inoperativeRIGHT ENGINE FIRE WARNING TEE HANDLE LIGHT CAME ON IN FLIGHT. REMOVED RT FIRE DETECTION CONTROL UNIT P/N 37702833 S/N 0143-069 AND INSTALLED REMOVED SERVICEABLE FIRE DETECTION CONTROL UNIT P/N 377-02833, S/N 9938-006 IAWL31A 26-10-01. OPERATIONAL CHECK GOOD Jul 7, 2025 · N412S · Lear 31A · Fire DetectionSDR 2025FA0000452Engine · fire warningRIGHT ENGINE FIRE WARNING “T” HANDLE LIGHT CAME ON IN FLIGHTJul 7, 2025 · N412SW · Lear 31A · Fire DetectionSDR 2025FA0000358Boot · burnedUPON POST FLIGHT WALK AROUND INSPECTION BY FLIGHT CREW, IT WAS DISCOVERED THAT THE LEFT HORIZONTAL STABILIZER ANTI-ICE BOOT HAD SHORTED OUT AND BURNT A HOLE IN THE BOOT AND LEADING EDGE OF THE STABILIZER, NEAR THE CUFF.May 15, 2025 · N240B · Lear 31A · Airfoil Anti/De-ice SystemSDR 2024FA0000797Flap System · false indicationFLAP INDICATION WAS NOT INDICATING CORRECTLY IN ALL POSITIONS.Oct 28, 2024 · N724SA · Lear 31A · Trailing Flap Position Indicating SystemSDR 2024FA0000007Indicator · buckledPILOTS ASSUMED THAT THE PITCH TRIM SYSTEM WAS IN A FAILED STATE WHEN PITCH TRIM INDICATION STARTED TO INDICATE NO MOVEMENT. THE STICKING SECTION OF THE INDICATION CAUSED MORE CONFUSION DUE TO THE FACT THAT THE YOKE COMING OVER CENTER AND FALLING INTO THE PILOTJan 5, 2024 · N90VJ · Lear 31A · Stabilizer Position IndicatingSDR 4EZF23030315001Unknown · unknownCREW REPORT - RIGHT ENGINE FIRE T-HANDLE ILLUMINATED IN FLIGHT, MEMORY ITEMS & QRH EMERGENCY PROCEDURES CHECKS WAS FOLLOWED. AIRCRAFT DEPARTED BARRANQUILLA AIRPORT TO FORT LAUDERDALE(NON-REVENUE FLIGHT), DURING CRUISE FIRE WARNING ILLUMINATED. FLIGHT CREW DECIMar 15, 2023 · N31ZV · Lear 31A · Fire DetectionSDR 4EZF22071531ZVEfis · inoperativeDURING CRUISE FLIGHT FROM TNCC (CURACAO) TO TNCM (ST MAARTEN) CREW NOTICED A BURNING SMELL & NOTICED CO-PILOT'S TOP PFD BLANK. PFD CB POPPED. FLIGHT CREW DECIDED TO RETURN TO TNCC OUT OF SAFETY PRECAUTION. AFTER ARRIVAL MAINTENANCE DETERMINED THAT THE CO-PILOTJul 15, 2022 · N31ZV · Lear 31A · Attitude and Direction Data SystemSDR O9IA20211203548Throttle Control · brokenAIRCRAFT WAS ON FLIGHT FROM ANC TO BET. DURING DECENT INTO BET, RH ENG WAS NOT FULLY RESPONSIVE. POWER WAS PULLED BACK AND AIRCRAFT LANDED WITHOUT ISSUE. AIRCRAFT WAS SHUT DOWN PER AFM. DURING INSPECTION FOUND THAT THE PLA ON THE FCU DID NOT MOVE. MAINT DDec 3, 2021 · N548LM · Lear 31A · Fuel Controlling SystemSDR 2021FA0000280None · noneWHILE TROUBLESHOOTING A FUEL COMPUTER FAULT, IT WAS DISCOVERED THAT BOTH DEECS WERE IMPROPERLY INSTALLED. EACH DEEC WAS ATTACHED TO THE P2 SENSE LINE FOR THE RACK POSITION THAT IS WAS INSTALLED IN. THE J1 CONNECTIONS WERE TO THE OPPOSITE ENGINE. THE J2 CONNECOct 5, 2021 · Lear 31A · Engine ControlsSDR 1JAA20210831002Heater · burned outCREW SMELLED AN ODOR, TOOK ACTIONS TO ISOLATE SOURCE, ODOR CONTINUED FOLLOWED BY SMOKE IN THE REAR CABIN BAGGAGE AREA. SWITCH TO EMERGENCY BUSS AND PUT ON O2 MASKS, DECLARED AN EMERGENCY AND CONTINUED TO LOAD SHED ITEMS UNTIL SMOKE SUBSIDED. LANDED SAFELY ATAug 31, 2021 · N645HA · Lear 31A · Heating SystemSDR A9JA202107200001Ahrs · disengagedBOTH AHRS LOST DATA AT THE SAME TIME WHILE IN CRUISE AFTER BEING RESET THEY REENGAGED AND FUNCTIONED NORMALLY.Jul 11, 2021 · N3VJ · Lear 31A · Attitude and Direction Data SystemSDR A9JA202107090001Tire · bulgedLARGE TIRE BULGE SEPARATION BETWEEN THE RIBS APPROXIMATELY 4-5" DID NOT BLOW OUT BUT WAS UNSAFE ONCE FOUND. FAILURE DID NOT CAUSE ANY DAMAGE TO OTHER COMPONENTSJul 8, 2021 · N90VJ · Lear 31A · TireSDR DIXA2020051200003Fire Warning · false activationCREW REPORTED ON FLIGHT FROM KADS DIRECT KMRF AT FL360 RH FIRE WARNING LIGHT ILLUMINATED, CREW FOLLOWED CHECKLIST AND WARNING LIGHT EXTINGUISHED, CREW DIAGNOSED WARNING LIGHT WAS FALSE. THEY CONTINUED ON WARNING LIGHT CAME ON AGAIN CREW DIVERTED TO KMAF. NO EJul 12, 2019 · N221EJ · Lear 31A · Fire DetectionSDR DIXA2020051100002Fire Loop · failedLH FIRE LIGHT CAME ON IN FLIGHT WENT OUT AFTER 15 SECONDS OWN ITS OWN AND DIDN'T REOCCUR. GAINED ACCESS TO HOT SECTION FIRE LOOP USED MEGGER TO CHECK FIRE LOOP, LOOP WAS ON RAGGED EDGE OF FAILING INSPECTION AS A PRECAUTION REPLACED LH HOT SECTION FIRE LOOP.Jun 19, 2019 · N221EJ · Lear 31A · Fire DetectionSDR DIXA2020051100001Fire Loop · dirtyCREW REPORTED ON FLIGHT FROM KLAS DIRECT KEFD AT FL430 LH FIRE WARNING LIGHT ILLUMINATED, CREW FOLLOWED CHECKLIST AND WARNING LIGHT EXTINGUISHED, CREW DIAGNOSED WARNING LIGHT WAS FALSE. THEY CONTINUED ON WARNING LIGHT CAME ON AGAIN CREW DIVERTED TO KABQ. NO EJun 3, 2019 · N221EJ · Lear 31A · Fire DetectionSDR 2018FA0000293Static Inverter · failedNR 2 INVERTER DROPPED TO 45 VOLTS AC.Jul 26, 2018 · N418DL · Lear 31A · Electrical Power SystemSDR FAA2019060600031Fms · failedFMS HAD A CPU FAILURE TWO TIMES IN TWO MONTHS. SENT UNIT OUT BOTH TIMES TO MANUFACTURER FOR REPAIR.Jun 6, 2018 · N288FF · Lear 31A · Flight Management Computing Hardware SystemSDR A9JA201803270001Wire · overheatedDURING FLIGHT PILOT RECEIVED A FALSE INDICATION OF AN OPEN CURRENT LIMITER ON THE LT GENERATOR BUSS. INSPECTION OF E43 POWER DISTRIBUTION PANEL SHOWED THREE 10 GAUGE WIRES ON THE LT GEN BUSS HAD OVERHEATED. THE WIRES LEAD TO J311 CONNECTOR WHERE PIN D HAD STMar 16, 2018 · N955J · Lear 31A · Electrical Power System WiringSDR 2018F00011Engine · power lossFLIGHT DEPARTED, TAKEOFF WAS STANDARD WITH NO ABNORMALITIES NOTED. CLEARED TO FL 280, WHEN LEAVING 12,000 FEET, THE PILOT BELIEVED THERE WAS A DECREASE IN CLIMB PERFORMANCE. THE LEFT ENGINE ITT WAS FLUCTUATING BETWEEN 700 AND 830 DEGREES WITHOUT THRUST LEVEROct 5, 2017 · N557BK · Lear 31A · Engine (Turbine/Turboprop)SDR E0XA2017111400001Unknown · smokeSMOKE PRESENT IN CABIN AFTER TAKEOFF. DURING POST FLIGHT INSPECTION, FOUND AUXILIARY CABIN HEATER SWITCH ON. PERFORMED CABIN HEAT OPERATIONAL CHECK IAW AMM21-42-00, NO DEFECTS NOTED. COULD NOT DUPLICATE SMOKE IN CABIN.Jul 26, 2017 · N171AR · Lear 31A · Air Distribution SystemSDR VQMA2017062120291O-Ring · cutNR 1 OIL PRESSURE LOW LIGHT ILLUMINATED WHEN ASCENDING THROUGH FL 160. AIRCREW WITNESSED PRESSURE DROP TO 25 PSI AND COMPLETED ENGINE SHUTDOWN PROCEDURES. AIRCRAFT RETURNED TO FIELD, AND MADE AN UNEVENTFUL LANDING. POST LANDING INVESTIGATION AND VISUAL INSPJun 16, 2017 · N31KH · Lear 31A · Engine Oil PressureSDR V0JA201611280001Attach Bracket · brokenRIGHT WING FLAP INBOARD ATTACH BRACKET BROKE OFF OF FLAP.Nov 26, 2016 · N418DL · Lear 31A · Trailing Edge FlapsSDR ESMR2016042001Line · leakingTHE PILOTS RT POWER BRAKE VALVE HAS A RIGID ALUMINUM LINE FOR THE SYS PRESSURE LINE PORT. THIS LINE WHEN TIGHTENED MOVES THE LINE TOWARD THE RIGHT RUDDER PEDAL. OVER MANY YEARS THE RUDDER PEDAL HAD CHAFED THE HYDRAULIC SUPPLY LINE AND EVENTUALLY CAUSED A PIN Apr 20, 2016 · N728CL · Lear 31A · Landing Gear Brake SystemSDR ZESA20160331001Switch · jammedAFTER TAKEOFF THE COPILOT ATTEMPTED TO PUT THE GEAR UP & THE SWITCH WOULD NOT RELEASE FROM THE DOWN POSITION. THEY RETURNED TO THE AIRPORT THEY TOOK OFF FROM. FURTHER INVESTIGATION FOUND THE GEAR HANDLE IS A KNOB, PN 0813502-1, ON A TOGGLE SWITCH PN 8858K44.Mar 30, 2016 · N36UP · Lear 31A · Landing Gear SelectorSDR VQMA20151227001Strut · damagedAFTER TAKEOFF WHILE CONDUCTING SPECIAL FLIGHT PERMIT, 12-27-2012, WITH CREW ONLY FOR UNRELATED LT & RT MAIN LANDING DOOR ANNUNCIATION. THE LG WOULD NOT RETRACT WHEN THE GEAR HANDLE WAS SELECTED TO THE UP POSITION. THE ACFT WAS DIVERTED, UPON ARRIVAL THE ATC Dec 27, 2015 · N31KH · Lear 31A · Nose/Tail Landing Gear Strut/AxleSDR VE7A2015100600001Control Valve · intermittentDURING LANDING, THE MLG FAILED TO EXTEND COMPLETELY. PERFORMED AN ALTERNATE MLG EXTENSION & LANDED UNEVENTFULLY. DURING TROUBLESHOOTING & AFTER SEVERAL PARTIAL RETRACTION & EXTENSION CYCLES TO CLEAR THE AIR FROM THE MLG & DOOR ACTUATORS, THE MLG RETRACTION Oct 6, 2015 · N32HH · Lear 31A · Landing Gear Retraction/Extension SystemSDR 2015FA0000411Yoke · damagedDURING A PHASE "A THRU D" INSPECTION, WE REMOVED THE CONTROL YOKE FLOORBOARD PROTECTIVE BOOT LT/RT SIDES. ON LT SIDE WE FOUND CORROSION, ABOUT HALFWAY DOWN THE BACK OF THE BOSS TO WHERE THE BOSS ATTACHES TO THE AIRCRAFT. INSPECTION B2 ITEM, CONTROL WHEEL SECAug 27, 2015 · N145RT · Lear 31A · Control Column SectionSDR CJPA2015071721001Flow Valve · stuckCABIN WAS HOT. WAS NOT ABLE TO COOL DOWN TILL ABOUT 15 MIN AFTER TAKEOFF. PILOT ALSO REPORTED WHAT HE THOUGHT TO BE A BURNING SMELL IN THE CABIN DURING THAT TIME.Jul 14, 2015 · N381AL · Lear 31A · Cabin Temperature Control SystemSDR O9IA20150713001Fuel Control · faultyRIGHT ENG FUEL COMPUTER LIGHT ILLUMINATED IN FLIGHT FOLLOWED BY ROLL BACK OF RT ENG. ENG SUBSEQUENTLY SHUTDOWN. ACFT RETURNED TO BASE ON SINGLE ENG. DOWNLOAD OF FUEL COMPUTER IDENTIFIED FAULT IN THE PLA OF THE FUEL CONTROL. FUEL CONTROL CHANGED. PLA FUNCTJul 12, 2015 · N163AL · Lear 31A · Fuel Control/Turbine EnginesSDR CA150428009Potentiometer · defective(CAN) DURING THE RIGGING OF THE AILERON TRIM TAB INDICATION, FOLLOWING AN AILERON TRIM ACTUATOR INSTALL, THE FOLLOWING PROBLEM OCCURRED RIGGING THE POTENTIOMETER. IAW THE ATTACHED ILLUSTRATION IN THE MM 27-10-04, & FOLLOWING THE INSTALLATION INSTRUCTION, WE HApr 27, 2015 · Lear 31A · Aileron Tab Control SystemSDR V0JA20150331001Unknown · overheatedTHE CABIN AUX HEAT SYS MALFUNCTIONED PRODUCING SMOKE IN CABIN DUE TO OVERHEATING. THE AUX CABIN HEAT SWITCH WAS IN THE OFF POSITION.Mar 31, 2015 · N418DL · Lear 31A · Heating SystemSDR 2015FA0000082Panel · burnedON DEPARTURE AND CLIMBING AT AROUND 7,000 FT IN THE CREW NOTICE A BURNING ODOR WITH NO VISUAL SIGN OF SMOKE. CREW DECLARED AN EMERGENCY AND ACFT RETURNED TO THE ORIGINATING AIRPORT. THE ACFT LANDED WITHOUT INCIDENT. THE TROUBLESHOOTING REVEALED INSULATION UNDEFeb 12, 2015 · N54HT · Lear 31A · Passenger Compartment EquipmentSDR A8JA201502120020Trim System · malfunctionedON 2/12/2015 WHILE ON GND PREPARING FOR A RETURN FLIGHT, BEFORE ENG START, FLIGHT CREW MEMBERS WERE CONDUCTING PREFLIGHT CHECKS ON ACFT SYSTEMS. FLIGHT CREW NOTICED AUTOPILOT WOULD NOT PASS INTERNAL CHECKS & THE RED PITCH TRIM LIGHTS WERE ILLUMINATED ON THE AFeb 12, 2015 · N942RC · Lear 31A · Stabilizer Control SystemSDR CA140825007Line · leaking(CAN) LINE HAD CHAFFED THROUGH AT TWO SPOTS. A PINHOLE LEAK DEVELOPED WHERE IT CHAFFED ON THE EMERGENCY PRESSURIZATION UPPER CHECK VALVE COUPLING.Aug 19, 2014 · Lear 31A · Hydraulic System, MainSDR CJPA2014070132001Light · inoperativeNO DOWN & LOCKED INDICATION LIGHT FOR NOSE GEAR WHEN SELECTED DOWN FOR LANDING. ENG SYNC LIGHT WAS ON & LANDING LIGHTS WERE ON INDICATING TO CREW THAT GEAR WAS DOWN & LOCKED.Jun 30, 2014 · N382AL · Lear 31A · Landing Gear Position and WarningSDR O9IA2013010500013Unknown · odorON LANDING, A STRANGE ODOR ON SHUTDOWN. CREW STATED ON NEXT LEG RECEIVED A FAINT ODOR. ON SHUTDOWN AT DESTINATION, CREW STATED SMOKE FILLED THE COCKPIT FROM THE PICCOLO TUBES AT THE CENTER OF THE WINDSHIELD. INSPECTION PERFORMED AND FOUND NO ANOMALIES. STAJan 5, 2013 · N163AL · Lear 31A · Air Distribution SystemSDR GW4R20120628921Sidewall Panel · burnedON DEPARTURE AND CLIMBING OUT AT 31,000 FT IN ICING CONDITIONS WITH ANTI-ICE SYSTEM ON, NOTICE A BURNING ODOR WITH VISUAL SIGNS OF SMOKE. CREW DECLARED AN EMERGENCY AND ACFT RE-ROUTED. ON DESCENT SMOKE IN CABIN CLEARED AND ACFT LANDED UNEVENTFULLY. INVESTIJun 25, 2012 · N29SN · Lear 31A · Passenger Compartment EquipmentSDR ZESA20120411001Actuator · failedDURING DESCENT, TRIED TO USE PRIMARY HORIZONTAL STABILIZER TRIM AND IT WOULD NOT TRIM TO NOSE UP, ONLY DOWN.Mar 30, 2012 · N36UP · Lear 31A · Stabilizer ActuatorSDR 2011FA0000735Control Valve · failedPILOT REPORTED PRESSURIZATION SYSTEM REVERTED TO UNCOMMANDED EMERGENCY PRESSURIZATION MODE.Nov 9, 2011 · N500WR · Lear 31A · Cabin Pressure Control SystemSDR DELR081309Lens · meltedNEW NAV LENS FROM ACFT ARE MELTING THROUGH IN SHORT TIME PERIODS. THIS ACFT HAD A NEW ONE THAT ONLY LASTED 200 HRS, THE REPLACEMENT IS NOW WARPING AT 20 HRS AND WILL NEED TO BE REPLACED AGAIN SOON.Jul 30, 2009 · N31MJ · Lear 31A · Exterior LightingSDR CA090519006Uplock Switch · unserviceable(CAN) MAIN GEAR UPLOCK SWITCH FAILED AND CAUSED THE MAIN GEAR HYD SYS TO CONTINUE OPERATING.May 7, 2009 · Lear 31A · Landing Gear Position and WarningSDR A9JA1Starter Gen · failedSTARTER GENERATOR PREMATURE FAILURE. REPLACED WITH OVERHAULED UNIT.Mar 22, 2009 · N3VJ · Lear 31A · Starter-GeneratorSDR H51R08001Switch · stickingFAILURE OF SWITCH IN THE ENGINE FIRE PULL SWITCH ASSY. AFTER ACCESSING THE FIRE PULL SWITCH ASSEMBLY TO VERIFY AIRWORTHINESS DIRECTIVE 95-21-03, AMENDMENT 39-9388, APPLICABILITY, THE S4 MICROSWITCH FAILED IN THE CLOSED POSITION. THE AIRWORTHINESS DIRECTIVE WDec 3, 2008 · N420LJ · Lear 31A · Extinguishing SystemSDR AJC2008F00003Display · malfunctionedDURING CLIMB OUT COPILOT EADI WENT BLACK. EADI CIRCUIT BREAKER WAS FOUND POPPED. AFTER SOME CONSIDERATION, CREW ELECTED TO RESET CIRCUIT BREAKER ONCE. NEARLY IMMEDIATELY SMELL OF HOT ELECTRICAL COMPONENT. CREW PULLED CIRCUIT BREAKER AND CONTINUED FLIGHT WINov 27, 2008 · N864KB · Lear 31A · Central DisplaySDR CA081121005Starter Gen · failed(CAN) GENERATOR FELL OFF, INE AND A SLIGHT VIBRATION WAS FELT.Nov 19, 2008 · Lear 31A · Starter-GeneratorSDR JGV2008F00008Cartridge · 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 JGV2008F00007Cartridge · 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 Jacket
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