JASC 3230
Service difficulty reports · 11,179
Reports filed under 3230 · Landing Gear Retraction/Extension System, newest first.
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 jasc_code = '3230' 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.
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 jasc_code = '3230' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR UPS99830968Light · inopON APPROACH TO ONT, RIGHT WING LANDING LIGHT FAILED TO ILLUMINATE WITH SWITH ON. PERFORMED T/S PER FIM 33-42-00 FIG 107, RELAMPED PER MM 33-42-03.SDR SWAA991765Module · inopAIR TURNBACK, LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. REMOVED AND REPLACED RELAY R276, AND M991 MODULE PER MM.SDR 99ZZZX4249Bushing · failedDURING A ROUTINE INSPECTION OF THE AIRFRAME, THE RIGHT MAIN LANDING GEAR MOUNT BUSHING INNER MATERIAL WAS FOUND PRESSED COMPLETELY OUT OF THE BUSHING. POSSIBLE CAUSE OF FAILURE WAS DUE TO IMPROPER FIT BETWEEN LANDING GEAR LEG OUTSIDE DIAMETER AND BUSHING MATESDR USAAD99150Fitting · brokenEWR-PIT - FLT 760 - DURING LANDING GEAR EXTENSION PRIOR TO LANDING THE RIGHT HYDRAULIC SYSTEM WENT TO ZERO. THERE GEAR INDICATION LIGHTS WERE GREEN, BUT THE CREW ELECTED TO FLYBY THE TOWER FOR CONFIRMATION. ALL APPEARED NORMAL AND THE AIRCRAFT LANDED WITHOUTSDR HEEA064871Line · leakingTUBE ASSY LEAKING FROM 90 DEGREE FITTING.SDR 99ZZZX4643Fitting · shearedON LANDING, AIRCRAFT'S NOSE GEAR COLLAPSED, PROPELLER STRUCK RUNWAY THEN MAIN LANDING GEAR COLLAPSED. INSPECTION OF LEFT MAIN LANDING GEAR FOUND AN822-4D FITTING SHEARED AT HYDRAULIC ACTUATING CYLINDER. IT APPEARED THE SIDE BRACE ARM RUBBED AND PRELOADED THESDR 99ZZZX4521Cylinder · failedTHE MAIN LANDING GEAR RETRACT CYLINDER PISTON ROD HAS EXTERNAL THREADS TO ACCEPT A ROD END. THE PISTON ROD FAILED AT THE THREADS. RECOMMEND THE THREADED PORTION OF THE PISTON ROD BE CLEANED AND INSPECTED AT REGULAR INTERVALS.SDR 99FDEA00440Actuator · looseLT MAIN LANDING GEAR DOWNLOCK ACTUATOR FOUND ACTUATOR END WITH BOLT LOOSE AND NUT MISSING. *S/D* REPLACED AND TIGHTENED BUSHING AND NUT PER MM 20-50-02-2.SDR 99ZZZX4488Motor · malfunctionedONT - GEAR WOULD NOT EXTEND AT ONTARIO, CALIF. HAND CRANKED GEAR DOWN AND LANDED WITH NO PROBLEMS. JACKED AIRCRAFT, COULD NOT DUPLICATE PROBLEM, CHANGED GEAR MOTOR FOR PRECAUTIONARY MEASURES.SDR AU990974Valve · faulty(AUS) LANDING GEAR SOLENOID VALVE AND/OR LANDING GEAR SELECTOR CONTROL UNIT SUSPECT FAULTY.SDR CA991028049Sensor · malfunctioned(CAN) AFTER LANDING GEAR DOWN SELECTION, THE NLG DID NOT EXTEND. AFTER 30 SECONDS, THE NLG EXTENDED WITHOUT ACTION FROM THE CREW. PSEU HAD CH27 FAULT AND WIRE PS4MB HAD HIGH RESISTANCE. NEW WIRE SPLICED IN.SDR AU991029Bolt · sheared(AUS) MAIN LANDING GEAR WALKING BEAM HANGER BRACKET LOWER ATTACHMENT BOLTS (2 OFF) SHEARED. THE UPPER BOLTS (2 OFF) WERE STILL INTACT.SDR CA991027032Actuator · intermittent(CAN) ON EXTEND, SELECTION GEAR MOVEMENT DELAYED SIX SECONDS. GEAR SWINGS CONFIRMED FAULT AND LED TO REPLACEMENT OF LANDING GEAR SELECTOR VALVE ACTUATOR.SDR 99UAL900523Circuit Card · failedLANDING GEAR EXTENSION WAS NORMAL, BUT RETRACTION REQUIRED LOCK OVERRIDE. THE FLIGHT CREW CYCLED THE LANDING GEAR CIRCUIT BREAKER, BUT NO RESPONSE FROM THE LANDING GEAR. *S/D* REPLACED THE GROUND SENSING SQUAT SWITCH CIRCUIT CARD, M990. CONDUCTED OPERATIONSDR 99FDEA00422Switch · failedON 1ST APPROACH NOSE LANDING GEAR DID NOT COME DOWN WHEN SEL. GEAR WARNING HORN SOUNDED. FLAPS WERE SEL AT 15. REMOVED AND REPLACED NOSE LANDING GEAR LOCK SWITCH AND POSITION SWITCH PER 727-100 MM 32-61-021-4. OPER CHECK GOOD.SDR RAIA9910014Radius Rod · failed7486 - STL - LIGHT LANDING GEAR INTRANSIT LIGHT ON CONSTANTLY. MAINTENANCE REPLACED RIGHT RADIUS ROD.SDR MALA976606Switch · failedDURING CLIMB, THE CREW COULDN'T BRING LANDING GEAR UP, SELECTED OVERRIDE LEVER TO BRING GEAR UP. MAINTENANCE REPLACED UNDERCARRIAGE SELECTOR SWITCH. OPS CHECK GOOD IAW RJ 85 AMM 32-30-14.SDR SWIA971576Sequence Valve · failedNOSE GEAR WOULD NOT RETRACT ON RETRACTION SEQUENCE AND RED NOSE GEAR LIGHTS, FLUTTER FROM NOSE GEAR EXTENDED GEAR AND ALL LIGHTS GOOD. RETRACTED AGAIN SAME, NOSE GEAR RETRACTED 1 1/2 MINUTES AFTER SELECTIONS. REMOVED AND REPLACED LT SEQUENCE VALVE. OPS CHECSDR DHL99740005Retract Mech · malfunctionedWHEN F/O ATTEMPED TO RETRACT GEAR, HANDLE WOULD NOT COME UP PAST NEUTRAL POSITION. PERFORMED CHECKLIST, AT FLAPS 2 WARNING HORN DID NOT SOUND. PULLED GEAR OVERRIDE TRIGGER IN ACCORDANCE WITH CHECK LIST. WITH GEAR HANDLE UP, BOTH YELLOW GEAR WARNING LIGHTS ASDR 99FDEA00419Connector · contaminatedON GEAR RETRACTION ALL IND NORM WITH GEAR HANDLE UP POSITION. WHEN GEAR HANDLE OFF, DOOR IND UNSAFE WITH RED DOOR LIGHTS. ACCOMPLISHED RED TAB PROC, LIGHT EXTINGUISHED WHEN GEAR HANDLE WAS IN UP POS. *S/D* REMOVED CANNON PLUG TO SWITCH, REMOVED FOREIGN OBJSDR 99ZZZX4430Bellcrank · failedAFTER TAKEOFF, PILOT RETRACTED GEAR. HE HEARD A LOUD BANG UNDER HIS FEET, AND SELECTED GEAR DOWN. HE NOTICED IN THE MIRROR THE NOSE GEAR WAS NOT DOWN AND LOCKED. AFTER NUMEROUS ATTEMPTS TO BRING THE GEAR DOWN, HE MADE A SUCCESSFUL LANDING, BUT THE NOSE GEARSDR CA991007071Bellcrank · broken(CAN) BELLCRANK ATTACH BOLT AND TRUNNION ATTACH LUGS FAILED. BELLCRANK LOWER AFT LUG ALSO FAILED RESULTING IN THE SIDE BRACE NOT LOCKING AND ALLOWING THE RIGHT GEAR TO COLLAPSE ON LANDING. SUBMITTER STATES THAT THE LANDING GEAR WAS INDICATED AS BEING SAFE BYSDR IXXA900024Uplatch · dirtyEN ROUTE FROM LAX TO TOL, THE LANDING GEAR UNSAFE LIGHT ILLUMINATED DURING THE GEAR UPLATCH CHECK. THE FLIGHT CREW CYCLED THE GEAR AND THE WARNING INDICATION EXTINGUISHED. THE FLIGHT CONTINUED TO TOL FOR AN UNEVENTFUL LANDING. MAINTENANCE INSPECTED THE LANDSDR 99ZZZX4169Pin · corrodedDURING A C-CHECK, CORROSION WAS NOTED ON LEFT MAIN LANDING GEAR LOWER TORSION LINK PIN RETAINING PIN.SDR SWAA991658Solenoid · inopAIR TURNBACK, DURING TAKEOFF, LANDING GEAR HANDLE WOULD NOT RAISE PAST OFF POSITION. LANDING GEARS WOULD NOT RETRACT. REMOVED AND REPLACED LANDING GEAR CONTROL LEVER SOLENOID PER MM.SDR HEEA064669Hose · chafedHOSE ASSY CHAFED AND KINKED.SDR GAIA99148Retract Mech · malfunctionedFLT 27 - OKC-AUS - DURING APPROACH, EXTENDED THE GEAR AND THE NLG FAILED TO EXTEND. THE CREW RECYCLED THE GEAR AND GOT A NORMAL EXTENSION. THE AIRCRAFT LANDED AT AUS WITHOUT FURTHER DIFFICULTIES. JACKED NOSE GEAR AND PERFORMED SEVERAL EXTENSIONS AND RETRACTSDR CA991007077Switch · out of adjust(CAN) AIRCRAFT GEAR-IN-TRANSIT LIGHT REMAINED ON FOLLOWING LIFT OFF. UPON INVESTIGATION, MAINTENANCE FOUND THE LEFT AND RIGHT GEAR POSITION SWITCHES WERE ADJUSTED AND THE AIRCRAFT RETURNED TO SERVICE.SDR DLL14992203Retract Mech · inopLANDING GEAR WOULD NOT RETRACT INTRANSIT LIGHT REMAINED ON. REMOVED AND REPLACED 4-WAY 3 POSITION VLV. GEAR SWING COMPLETED ALL INDICATIONS NORMAL.SDR DL72S992190Actuator · failedNOSE GEAR WOULD NOT RETRACT AFTER TAKEOFF. REPLACED NLG LOCK ACTUATOR.SDR CALA9901292Sensor · out of adjustTHE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF FROM IAH. THE OVERRIDE TRIGGER WAS USED PER QRH. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE AIR SAFETY SENSOR OUT OF RIG. THE SENSOR WAS ADJUSTED IAW MM 32-09-01.SDR CA991209032Torsion Link · cracked(CAN) LOWER NLG TORSION LINK HAS A CRACK AT CENTER PIVOT POINT LT LUG. TORSION LINK REPLACED.SDR CA991007067Motor · damaged(CAN) GEAR WOULD NOT EXTEND TO DOWN AND LOCKED WHEN SELECTED. HAD TO USE EMERGENCY EXTENSION. UPON INVESTIGATION, HYDRAULIC POWER PACK ELECTRIC MOTOR ARMATURE WAS FOUND DAMAGED.SDR SWAA991622Breaker · trippedAIR TURNBACK, AFTER TAKEOFF, LANDING GEAR LEVER WOULD NOT GO INTO THE UP POSITION. FOUND GEAR LATCH AND PRESSURE WARNING C/B TRIPPED. RESET C/B AND OPS CK GOOD PER MM.SDR SWAA991616Lever · malfunctionedAIR TURNBACK, LANDING GEAR LEVER WOULD NOT GO INTO UP POSITION AFTER TAKEOFF. PERFORMED LANDING GEAR RETRACTION TEST AND LANDING GEAR SAFETY SENSOR TEST PER MM. OPS CK GOOD.SDR AALA991471Valve · defectiveDFW - FLT 1739 - ON APPROACH DFW, LANDING GEAR INDICATED ALL THREE RED UPON LOWERING GEAR HANDLE. BOTH HYDRAULIC QUANTITY AND PRESSURE WAS NORMAL. PERFORMED EMERGENCY GEAR EXTENSION ACCORDING TO THE OPERATING MANUAL. VISUALLY VERIFIED LANDING GEAR DOWN AND SDR 99ZZZX4487Bolt · shearedNOSE GEAR RETRACT ARM FORWARD BOLT THAT ATTACHES THE ARM TO NOSE GEAR DRAG LEG RETRACT MECHANISM SHEARED CAUSING THE GEAR TO ONLY RETRACT PARTIALLY. THIS ALSO CAUSED THE UP AND DOWN SWITCH ARM TO BREAK AT ITS PIVOT POINT AS IT WAS ATTEMPTING TO RETRACT THE GESDR 99ZZZX4190Switch · malfunctionedLANDING GEAR WOULD NOT EXTEND FIRST TIME SELECTED, GEAR CAME DOWN WHEN SELECTED SECOND TIME. RIGHT DOWN AND LOCK MICROSWITCH FOUND FAULTY. REPLACED RIGHT MAIN GEAR DOWN AND LOCK MICROSWITCH WITH NEW AND ADJUSTED PER THE LEARJET MAINTENANCE SECTION 3-57. OPESDR MALA976583Retract Mech · malfunctionedLANDING GEAR DID NOT COME DOWN AFTER SELECTED. CREW FOLLOWED QRH AND FOUND F7 CIRCUIT BREAKER OUT, RESET AND SYSTEM WORKED NORMALLY. MAINTENANCE PERFORMED SEVERAL CYCLES OF THE LANDING GEAR ON JACKS. ALL CHECKS GOOD IAW AMM 32-30-00.SDR 2000ZZZX480Control Cable · jammedUNABLE TO RETRACT LANDING GEAR AFTER TAKEOFF. LATER INVESTIGATION REVEALED THE AIR/GROUND TELEFLEX CABLE ON THE RIGHT LANDING GEAR JAMMED. THE CABLE WAS REPLACED IAW BOEING MM AND LANDING GEAR RETRACT CHECK WAS PERFORMED. CHECKED OK.SDR HALA9900195Cotter Key · out of positionFLT 113 - HNL - ON APPROACH TO LIH, WHEN GEAR HANDLE PLACED DOWN, BOTH MAINS CAME DOWN. NOSE GEAR DID NOT COME DOWN. FOLLOWED SOP. RETURNED HNL. GEAR CAME DOWN 3 GREEN. INSPECTED NOSE GEAR COND AND SECURITY CHECK GOOD WIRING CHECK GOOD. REPLACED L/G PROXSDR 99ZZZX3963Johnson Bar · shearedLANDING GEAR RETRACTION HANDLE ASSY ('JOHNSON BAR') SHEARED ENTIRE CIRCUMFERENCE WHERE HANDLE ATTACHES TO BELLCRANK ARM BELOW CABIN FLOORBOARDS. CRACK WAS FRESH WITH NO INDICATION OF PRIOR EXISTING DAMAGE. SEPARATION OF HANDLE FROM CRANK ASSY OCCURRED AT APPSDR 99ZZZX4004Housing · crackedHOUSING IS CRACKED AT THE BOTTOM OF PRIORITY PORTS. OVERSTRESSED, FATIGUE.SDR 99FDEA00395Retract Mech · lack of lubeRETRACT LANDING GEAR ON CLIMBOUT, BOTH PRIMARY GEAR SHOW NOSE GEAR UNSAFE (RED). LUBED NOSE GEAR PER 12-21-03-3. JACKED MLG AND CYCLED 15 TIMES, 7 SEC TO RETRACT, 17 SEC TO EXTEND. WITHIN LIMITS PER 32-30-17-02.SDR CALA9901240Switch · failedTHE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF FROM PIT BOUND FOR EWR. ALL GEAR CIRCUIT BREAKERS WERE PULLED AND ATTEMPTS TO CYCLE GEAR HANDLE UP SEVERAL TIMES WERE UNSUCCESSFUL. THE GREEN AND THREE RED LIGHTS WERE DISPLAYED WITH THE HANDLE UP. THREE GREESDR CA991004040Pseu · failed(CAN) FLIGHT CREW OBSERVED PROX FAULT STATUS MESSAGE. PSEU CIRCUIT BREAKER RESET/ MESSAGE WOULD NOT RESET. WHEN GEAR SELECTED DOWN, IT WOULD NOT EXTEND. EMERGENCY GEAR SELECTED. MULTIPLE FAILURES RELATED TO FAILED PSEU. AIRCRAFT LANDED WITH NO NWS OR ANTI-SDR 99ZZZX3915Bellcrank · failedWHEN PILOT SELECTED GEAR DOWN, HEARD LOUD NOISE IN NOSE, HAD 3 GREEN LIGHTS AND NO HORN, LANDED WITHOUT INCIDENT. FOUND NOSE GEAR INBOARD BELLCRANK BROKEN AND BOLT BENT. GEAR WAS RIGGED TO SPECS 2 MONTHS PRIOR. SUSPECT GEAR MOTOR BRAKE INOPERABLE AND GEAR WSDR ABXA9900716Actuator · out of adjustNOSE LANDING GEAR FAILED UPLATCH CHECK AND FELL OUT OF THE WHEEL WELL. RECYCLED GEAR, NO HELP. PERFORMED ALTERNATE UPLATCH CHECK AND GEAR REMAINED IN WHEEL WELL. CHECKED ALL NOSE LANDING GEAR COMPONENTS. NO DEFECTS NOTED. ADJUSTED NOSE LANDING GEAR RETRACSDR 99ZZZX3980Switch · failedMEM - RT MAIN GEAR NOT SHOWING DOWN AND LOCK, RETURNED TO CMH AND LANDED, NO PROBLEMS. REMOVED AND REPLACED SWITCH. OPS CHECK GOOD.SDR 99ZZZX3675Uplock Cable · frayedDURING MAINTENANCE, FOUND LT MAIN LANDING GEAR UPLOCK CABLE FRAYED LEAVING ONLY 1 CABLE STRAND CONNECTED. THE FRAYING OCCURRED AT THE INBOARD CABLE END ABOUT .125 INCHES FROM WHERE CABLE END IS ATTACHED TO CABLE. NO OTHER RELATED FAILURE WAS NOTED. CAUSE IS
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