JASC 3230
Service difficulty reports · 11,181
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SDR 96ZZZX5171Breaker · trippedCPR - LANDING GEAR WOULD NOT RETRACT COMPLETELY WHEN IT WAS RETRACTED THE SECOND TIME DURING CLIMB-OUT. PILOT FOUND LANDING GEAR CONTROL CIRCUIT BREAKER WAS TRIPPED DUE TO BEING TRIPPED BY LANDING GEAR MOTOR TIME DELAY RELAY. VERIFIED CORRECT OPERATION OF GESDR 96ZZZX3010Tube Assy · brokenNOSE LANDING GEAR WAS EXTENDED, BUT DID NOT LOCK IN THE DOWN POSITION. SUBSEQUENT INVESTIGATION REVEALED THAT THE NLG MAIN DRIVE ASSY WAS BROKEN. THE ANNUAL AND 100-HOUR INSPECTION WERE COMPLETED APRIL 19, 1996. TACHOMETER 766.3. TOTAL TIME: 3,900.8 HOURSSDR 96ZZZX3003Pin · brokenWHEN GEAR WAS EXTENDED, NO GREEN LIGHT. EMERGENCY PROCEDURE, STILL NO GREEN LIGHT. NOSE GEAR COLLAPSED ON LANDING. FOUND DOWNLOCK PIN BROKEN AND MIGRATED INBOARD BLOCKING ACTUATOR FROM RETRACTING FULLY AND NOSE GEAR LOCKING. FOUND OTHER PIN ALSO BROKEN, BUSDR 96ZZZX2946Tube Assy · bentNOSE LANDING GEAR WAS EXTENDED, BUT DID NOT LOCK IN THE DOWN POSITION. SUBSEQUENT INVESTIGATION REVEALED THE NLG INTERMEDIATE GEAR DRIVE TUBE ASSY WAS BENT. THE ANNUAL AND 100-HOUR INSPECTION WERE COMPLETED APRIL 19, 1996. TACHOMETER TIME 766.3. TOTAL TIMESDR 96FDEA00904Retract Mech · malfunctionedAFTER LANDING RETRACTION, LANDING HANDLE PLACED TO OFF, RED DOORS LIGHT ILLUMINATED ALONG WITH RT MAIN GEAR DOOR LT ON S/O PANEL. VIBRATION WAS FELT. PERFORMED ABNORMAL LIST AND PROCEEDED WITH LEVER IN UP POSITION. INSTALLED GEAR PINS - INSP RT GEAR DOOR -SDR RAIA960512Uplock Assy · failedMEM - FLT 7145 - LEFT MAIN GEAR UP UNLOCK LIGHT ON FWD PANEL WILL NOT EXTINGUISH, OVERHEAD INDICATION NORMAL. DETERMINED TO UPLOCK BOX PROX SENSOR. SYSTEM DEFERRED, MEL 32-61-1. (M)SDR PLG5696G1Power Pack Motor · failedALB/LGA - FLT 4657 - DURING CRUISE, THE 2-AMP LANDING GEAR RELAY CIRCUIT BREAKER TRIPPED. ON APPROACH, THE CREW RESET THE CIRCUIT BREAKER, WHICH TRIPPED AGAIN. THE CREW PERFORMED A MANUAL GEAR EXTENSION LANDING IN LGA WITHOUT INCIDENT. MAINTENANCE WAS DISPASDR GLBA96083Service Valve · malfunctionedCIU - CREW REPORTED, THE LANDING GEAR FAILED TO EXTEND WHEN SELECTED DOWN. A MANUAL GEAR EXTENTION WAS PERFORMED AND AN UNEVENTFUL LANDING WAS MADE. MX REMOVED AND REPLACED SERVICE VALVE BECAUSE OF AN INTERMITTENT MICROSWITCH. OPS CHECK WAS GOOD. (M)SDR COMA9660080Retract Mech · malfunctionedLANDING GEAR DISAGREE MESSAGE ON EICAS. WHEN GEAR SELECTED DOWN, THE NLG REMAINED UP. NLG DOWNLOCKED AFTER 2 MINUTES. COULD NOT DUPLICATE DISCREPANCY. REPLACED THE LANDING GEAR SELECTOR FOR TROUBLESHOOTING. PART TOTAL CYCLES, 2,838.SDR SWAA960284Uplock Actuator · failedAFTER TAKEOFF, LEFT MAIN GEAR UPLOCK FAILURE, RED UNSAFE LIGHT REMAINS ILLUMINATED AND GEAR FREE FALLS TO DOWN AND LOCKED POSITION WITH GEAR HANDLE IN OFF. AIRCRAFT RETURNED TO DAL AND MADE AN UNEVENTFUL LANDING. REPLACED LEFT GEAR UPLOCK ACTUATOR, MODULE CHSDR COMA9610141Solenoid Valve · defectiveWHEN LANDING GEAR SELECTED UP, THE LT MLG REMAINED DOWN. REPLACED THE LANDING GEAR SOLENOID VALVE.SDR MALA964980Retract Mech · lack of lubeTVC - FLT 3183 - ON APPROACH, THE NOSE GEAR UNSAFE LIGHT REMAINED ILLUMINATED AFTER GEAR EXTENSION. THE CREW PERFORMED AN ALTERNATE LANDING GEAR EXTENSION. ALL INDICATIONS WERE NORMAL. MAINTENANCE WAS UNABLE TO DUPLICATE THE DISCREPANCY. MAINTENANCE PERFORSDR EIAA9610Selector Vlv · failedMEL - DURING TAXI NR 1 HYDRAULIC SYSTEM DROPPED SUDDENLY. NO STEERING CONTROL. PUMPS SHUT DOWN WITHIN 10 SECONDS. LEFT BODY GEAR SELECTOR VALVE BODY FOUND SPLIT. SAME REPLACED PER MM 32-31-03. CHECKED NR 1 EDP AND ADP CASE DRAIN FILTERS, FOUND CLEAN. SERSDR AU960587O-Ring · deteriorated(AUS) LANDING GEAR UP MANIFOLD TO PIPE PNO 1159H-40016-238 LGU6 UNION 'O' RING SEAL DETERIORATED DUE TO SKYDROL CONTAMINATION - THEREWAS ALSO EVIDENCE OF THE MANIFOLD HAVING BEEN INCORRECTLY MASKED/PAINTED DURING MANUFACTURE PREVENTING CORRECT SEATING OFTHE SDR EIAA9609Rod · brokenBIL - ON DEPARTURE LEVER LATCH (ANTI-RETRACTION PIN) WOULD NOT ALLOW RETRACTION OF LANDING GEAR. NOSE WHEEL STEERING WHEEL TURNED FREELY SO DID OVERRIDE AS PER ABNORMAL PROCEDURE. RETURNED FOR NORMAL LANDING AFTER ACCOMPLISHMENT OF ABNORMAL PROCEDURE. REPLASDR AU960810Brace · cracked(AUS) MAIN LANDING GEAR DRAG LINK FITTING SUPPORT BRACE CRACKED IN AREA OF ATTACHMENT BOLTSDR AU960773Guide · deteriorated(AUS) NOSE LANDING GEAR DOWNLOCK MECHANISM SPRING GUIDE CRACKED AND DISTORTEDSDR SWIA95738Prox Sensor · out of adjustAFTER DEPARTURE, NOSE GEAR WOULD NOT RETRACT AND FOLLOWING MESSAGES OBSERVED; RED GEAR DISAGREE AND NOSE DOOR OPEN. NOSE GEAR WAS DOWN AND LOCKED AND NEVER INDICATED AN INTRANSIT LIGHT. ADJUSTED THE NOSE GEAR EXTENDED PROXIMITY SENSOR IAW CRJ MM 32-61-05. PSDR GLBA96079Retract Mech · malfunctionedORF - CREW REPORTED LANDING GEAR WOULD NOT EXTEND WHEN SELECTED DOWN. ON THE SECOND TRY, GEAR OPERATED NORMALLY. MX PERFORMED SEVERAL GEAR RETRACTIONS AFTER INSPECTING SYSTEM BUT COULD NOT DUPLICATE DISCREPANCY. (M)SDR COMA9610139Retract Mech · malfunctionedLANDING GEAR WILL NOT RETRACT. ALL GREEN DOWN INDICATORS AND ALL RED INTRANSIT INDICATORS ARE ILLUMINATED. REVERSED THE NLG UPLOCK PROXIMITY SENSORS AND DEFERRED SYSTEM PER EMB SNL 032-0015.SDR DL767961046Retract Mech · malfunctionedAIRCRAFT'S ATB RIGHT MLG WOULD NOT RETRACT. PRESSURE GOOD. JACKED AIRCRAFT, CYCLED GEAR SERVERAL TIMES PER MM. CHECKS NORMAL. TILTED TRUCK, TURNED ON HYDRAULIC, TRUCK TILTED NORMAL. RETURNED TO SERVICE.SDR AU960612Hook · seized(AUS) LH MAIN LANDING GEAR DOWNLOCK HOOK STIFF ON PIVOT BOLT PNO AN5-46- AIRCRAFT OPERATES FROM UNPREPARED STRIPS IN A SALT LADEN ENVIRONMENT WITH HIGH HUMIDITYSDR 96ZZZX3225Bearing · failedWHILE INSPECTING NOSE LANDING GEAR RODS AND ATTACHMENTS, FOUND NEEDLE BEARINGS SHOWING AND ROD END SITTING HIGHER THAN NORMAL IN THE IDLER BELLCRANK. REMOVED BOLT RETAINING THE PUSH/PULL ROD AND FOUND BEARING RETAINER SHEARED ON THE UPPER SECTION OF BEARING.SDR 96ZZZX2860Drag Brace Link · bearing shiftDURING A POST-FLIGHT INSPECTION, THE UPPER BEARING IN THE LINK ASSY HAD SHIFTED APPROXIMTAELY .050 INCH. REPLACED DRAG BRACE LINK AND PERFORMED A GEAR SWING. ACFT TT: 1,647 HRS. LANDINGS, 196. REF: OPERATOR CONTROL NR 96-002.SDR 96ZZZX2784Roll Pin · shearedIN-FLIGHT, AFTER LANDING GEAR FAILED TO RETRACT PROPERLY, LANDING GEAR SELECTED DOWN AND FAILED TO EXTEND. NO LANDING GEAR EXTENSION OCCURRED UNTIL UPHOLSTERY WAS REMOVED AND LANDING GEAR CONTROL VALVE MANUALLY MOVED TO EXTEND LANDING GEAR. SAFE LANDING MADESDR 96ZZZX2983Torque Tube · weld brokenLEFT MAIN GEAR WOULD NOT RETRACT AFTER TAKEOFF. PILOT EXTENDED GEAR AND RETURNED TO AIRPORT. INSPECTED LT GEAR RETRACTION LINKAGE, AND FOUND AFT FORK ASSY WELD BROKEN AND TUBE WITH SPIRAL TEAR. SUBMITTER SUGGESTS FATIGUE TO WELDED AREA, WEAKENING SURROUNDEDSDR DLM88961017Bungee Cylinder · failedLANDING GEAR WOULD NOT EXTEND, (NOSE GEAR) RECYCLED, NO NOSE GEAR. USED EMERGENCY EXTENSION, NOSE GEAR EXTENDED. REPLACED NLG BUNGEE CYLINDER AND LUBED NLG. CYCLED NLG SEVERAL TIMES. OPS CKS NORMAL.SDR 96UAL900301Hose · chafedUNABLE TO RETRACT GEAR. *S/D* UNABLE TO RETRACT GEAR DUE TO TILT INDICATION ON FLIGHT DECK. RIGHT BODY LANDING GEAR TRUCK NOT TILTED DUE TO LEAKING TRUCK TILT POSITIONER HOSE. HYDRAULIC FUSE SHUT OFF DUE TO LEAK. REPLACED HOSE.SDR ASAA9610057Module · malfunctionedSEA - FLT 896 - DURING APPROACH CREW REPORTED THAT THE NOSE LANDING GEAR FAILED TO EXTEND ON FIRST ATTEMPT. RECYCLED AND GEAR EXTENDED NORMALLY. LANDED WITHOUT INCIDENT. REPLACED NOSE LANDING GEAR MODULE, PERFORMED GEAR RETRACTION AND GEAR OPERATED NORMALLYSDR USAABB96014Dnlock Actuator · failedLAX - FLT 0017 - ON APPROACH TO LAX, CREW RECEIVED NOSE GEAR NOT DOWN INDICATION. CREW CYCLED THE GEAR TWICE AND DID A TOWER FLYBY. TOWER CONFIRMED THAT THE NOSE GEAR WAS STILL RETRACTED. ON THIRD RECYCLE, THE NOSE GEAR EXTENDED. FLIGHT LANDED WITH NO FURTSDR WWMA9600043Towbar Pin · not removedON TAKEOFF AFTER RAISING THE LANDING GEAR THE RED NOSE GEAR INTRANSIT LIGHT STAYED ON, THE GEAR WAS CYCLED AND THE LIGHT WENT OUT. ALL OTHER INDICATIONS WERE NORMAL. UPON INVESTIGATION MAINTENANCE FOUND THE TOW BAR PIN INSTALLED ON THE NOSE GEAR TORQUE LINKSSDR WTAA960094Prox Sensor · failedFAT - LANDING GEAR FAILED TO RETRACT AFTER DEPARTURE. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. FAT MX REMOVED AND REPLACED RIGHT MAIN LANDING GEAR WEIGHT ON WHEELS PROXIMITY SENSOR. LANDING GEAR RETRACTION CHECK NORMAL DURING GEAR SWING. AIRCRAFT RETSDR 96ZZZX2745Bolt · defectiveDURING INSPECTION REPLACEMENT OF MLG BRACE LINK ROD END BOLT TO TRUNNION HOUSING, FOUND OLD STYLE CLEVIS HEAD BOLT, PN 400-810, INSTALLED. IF REPLACEMENT WITH NEW STYLE HEX HEAD BOLT, PN 3772202, IS DONE, THE GEAR DOOR RETRACT ROD WILL NOT CLEAR BOLT HEAD DURSDR CA960517101Arm · broken(CAN) ON GEAR EXTENSION, A SNAP SOUND WAS HEARD AND NO INDICATION OF GEAR DOWN. CONTROL TOWER REPORTED NOSE GEAR AT 45 DEGREES. NOSE GEAR COLLAPSED ON LANDING. ACTUATOR ARM BROKEN AT MID-LENGTH.SDR 9609249998Bungee Cylinder · malfunctionedON APPROACH, NOSE LANDING GEAR GREEN DOWNLOCK LIGHT DID NOT ILLUMINATE AFTER GEAR WAS EXTENDED. CREW EXECUTED A GO-AROUND AND EMERGENCY GEAR EXTENSION PROCEDURES WERE UTILIZED TO LOWER GEAR. NORMAL INDICATIONS WERE ACHIEVED AND AIRCRAFT LANDED WITHOUT INCIDESDR MALA964972Uplock Actuator · failedFLT 3066 - IN CRUISE FLIGHT TO AZO, THE CREW NOTED THAT THE RIGHT GEAR BEGAN TO CYCLE IN THE WHEEL WELL. MAINTENANCE REPLACED THE RIGHT MAIN LANDING GEAR UPLOCK ACTUATOR. ALL SYSTEMS OPERATED SATISFACTORILY. (M)SDR SWIA95732Priority Valve · malfunctionedAFTER DEPARTURE, NOSE GEAR FAILED TO RETRACT. PERFORMED QRH CHECKLIST. RETURNED TO PDX WITH A NORMAL LANDING. REMOVED AND REPLACED MAIN LANDING GEAR PRIORITY VALVE IAW MM 32-32-15, OPS AND LEAK CHECK GOOD.SDR AU960784Motor · faulty(AUS) LANDING GEAR ELECTRIC MOTOR ARMATURE SEGMENT FAULTYSDR AU960528Module · faulty(AUS) LANDING GEAR CONTROL MODULE FAULTYSDR CA960507005Retract Mech · malfunction(CAN) AFTER TAKEOFF, UNDERCARRIAGE REFUSED TO RETRACT. ELECTRICAL CIRCUIT INSPECTED, CONNECTIONS CHECKED AND SEVERAL RETRACTIONS PERFORMED ON JACKS WITHOUT THE FAULT RECURRING, UNABLE TO DETERMINE CAUSE.SDR 96ZZZX2463Piston Assy · wornINSPECTION FOUND THE HARDENED SURFACE OF PISTON AND ROD WAS WORN OUT BY CHECK BALL S272-5 CAUSING A MALFUNCTION OF THE UPLOCK. IT APPEARS THIS PISTON AND ROD WERE MALFUNCTIONING PREVIOUSLY BECAUSE, AT ONE TIME, IT WAS TURNED 180 DEGREES AND RE-ASSEMBLED. ALSOSDR COMA9660068Retract Mech · malfunctionedWHEN LANDING GEAR SELECTED DOWN THE NOSE LANDING GEAR REMAINED UP AND LOCKED. THEN 15 SECONDS LATER NLG CAME DOWN AND ALL GEAR INDICATED DOWN AND LOCKED. COULD NOT DUPLICATE, RETRACTION CHECKS WERE NORMAL.SDR AU960563Actuator · out of adjust(AUS) NOSE LANDING GEAR ACTUATOR OUT OF ADJUSTMENTSDR AU960555Switch · faulty(AUS) LANDING GEAR MOTOR PRESSURE SWITCH WIRE BROKEN AT SOLDERED JOINT - FAILURE WAS COVERED BY HEAT SHRINK MAKING IT DIFFICULT TODETECTSDR ABXA9600483Pin · missingDURING DEPARTURE, SOME LOOSENESS AND BINDING NOTED WHEN RAISING THE GEAR HANDLE AS IT APPROACHED THE UP POSITION. RECYCLED THE GEAR, THE UPLATCH CHECK WAS UNSATISFACTORY, LEFT THE RIGHT HYDRAULIC PUMP ON HIGH. INSTALLED MISSING PIN TO THE LANDING GEAR CONTROSDR 9608989911Uplock Assy · failedRIGHT MAIN LANDING GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR WAS RETRACTED. FLIGHT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND FAULT IN RIGHT MAIN GEAR UPLOCK ASSEMBLY. REPLACED UPLOCK ASSEMBLY AND OPERATIONAL CHECK NORMAL.SDR MALA964970Switch · out of adjustFLIGHT 3234 - ON CLIMB-OUT FROM BJI, THE NOSE GEAR CONTINUED TO CYCLE IN THE WHEEL WELL AFTER THE GEAR WAS RETRACTED. MAINTENANCE ADJUSTED THE UPLIMIT SWITCH. ALL SYSTEMS OPERATED SATISFACTORILY. (M)SDR SWIA95730Retract Mech · malfunctionedNOSE GEAR DID NOT RETRACT AFTER TAKEOFF. ATTEMPTED QRH PROCEDURES WITH NO CHANGE. RECEIVED GEAR DISAGREE AND NOSE DOOR OPEN MESSAGE A FEW SECONDS LATER. INSPECTED NOSE GEAR AND COMPONENT, ADJUSTED DOOR PROX SENSOR, SWUNG GEAR PER RJ MM. PERFORMED FUNCTIONASDR USAAF96034Solenoid · faultyRIC - FLT 1294 - AFTER TAKEOFF FROM PHL, NOSE LANDING GEAR WOULD NOT RETRACT. CREW RECYCLED GEAR USING MANUAL OVERRIDE TO RETRACT GEAR. FLIGHT LANDED IN RIC WITHOUT FURTHER INCIDENT. AIRCRAFT FERRIED TO PIT FOR REPAIR. MAINTENANCE REPLACED THE LANDING GEARSDR CA960424006Line · pin hole(CAN)HYDRAULIC LEAK IN NOSE WHEEL AREA. FOUND PIN HOLE IN NOSE GEAR DOWN LINETO SEQUENCING VALVE. HYDRAULIC LINE REPLACED.
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