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.

SDR DLM11961265Trim Cylinder · malfunctionedON FLIGHT 15 OUT OF FRA, ACFT EXPERIENCED AN UNSAFE RT MLG INDICATION WHICH EXTINGUISHED ITSELF AFTER 30 SEC. ON LANDING FOUND DAMAGE TO THE RT GEAR WHEEL WELL. FOUND THE RT GEAR TRIM CYLINDER OUT OF ADJ PER THE CMM. THIS COMPONENT WAS REPLACED ON THE 10TH May 23, 1996 · N804DE · Doug MD11SDR 96ZZZX3071Hook · malfunctionON TRAINING FLIGHT, PILOT WAS UNABLE TO GET GREEN DOWN LIGHTS ON BOTH MLG. CYCLED GEAR - NO CHANGE. TOWER SAID INBOARD GEAR DOORS OPEN ON FLYBY. HAND PUMP OPERATION WAS VERY HARD AS IF ACTING AGAINST SYSTEM. LANDING WAS MADE WITHOUT INCIDENT. PUT AIRCRAFTMay 23, 1996 · N88AJ · Piper PA31350SDR 96ZZZX3070Hook · malfunctionON TRAINING FLIGHT, PILOT WAS UNABLE TO GET GREEN DOWN LIGHTS ON BOTH MLG. CYCLED GEAR - NO CHANGE. TOWER SAID INBOARD GEAR DOORS OPEN ON FLYBY. HAND PUMP OPERATION WAS VERY HARD AS IF ACTING AGAINST SYSTEM. LANDING WAS MADE WITHOUT INCIDENT. PUT AIRCRAFTMay 23, 1996 · N88AJ · Piper PA31350SDR 9611439973Gear Handle · jammedLANDING GEAR HANDLE WAS JAMMED IN THE UP POSITION AFTER TAKEOFF. FLIGHT RETURNED TO ATL AND LANDED WITHOUT INCIDENT. EMERGENCY GEAR EXTENSION PROCEDURES WERE UTILIZED FOR LANDING. MAINTENANCE INSPECTED COMPLETE GEAR SYSTEM AND PERFORMED GEAR SWING UP TO TENMay 23, 1996 · N9337 · Doug DC931SDR SWIA95744Drag Brace · failedTAKEOFF BUR, NOSE GEAR WOULD NOT RETRACT. NOSE GEAR REMAINED DOWN WITH NO TRANSIT INDICATION. CYCLED FOUR TIMES TO GET NOSE GEAR UP. REPLACED NOSE GEAR DRAG BRACE IAW CRJ MM 32-21-05 AND SWA RII 32-402.May 22, 1996 · N410SW · Cndair CL6002B19SDR DLL10961263Run Around Vlv · wornAFTER GEAR RETRACTION RT GEAR OR RT DOOR IN TRANS LIGHTS STAYED ON, FELT SLIGHT SHAKING OF A/C AS IF GEAR DOOR OR GEAR HANGING. CYCLED GEAR DOWN 3 GREENS AND BACK UP WITH LIGHTS COMING BACK ON. WHILE PREPARING TO LAND IN ATL LIGHTS WENT OUT, CONTINUED FLIGHTMay 22, 1996 · N716DA · Lkheed 10113851SDR 96ZZZX3538Torque Tube · crackedLEFT MAIN FAILED TO RETRACT. TORQUE TUBE WAS FOUND TO HAVE A SPIRAL CRACK STARTING AT THE TOP BY THE BOLT, P/N 5243518-3, AND TRAVELING AROUND THE TUBE AND TOWARD THE END OF THE TUBE.May 22, 1996 · N401RW · Cessna 401SDR 96ZZZM986Drive Gear · strippedUPON LANDING GEAR ACTUATION, LANDING GEAR CYCLE SLOWER THAN NORMAL AND GRINDING NOISE HEARD. UPON REMOVED OF LANDING GEAR MOTOR, P/N 1514818, STRIPPED OF ALL TEETH EXCEPT FOR 2 OR 3 TEETH REMAINING.May 22, 1996 · N577W · Beech 58SDR SWIA95743Prox Sensor · out of adjustAFTER LIFT OFF AND GEAR RETRACTION, NOSE GEAR WOULD NOT COME UP. INDICATION REMAINED GREEN. ATTEMPTED TO CYCLE GEAR BUT IT DID NO GOOD. RETURNED TO GATE. REPLACED NOSE GEAR WOW SWITCH BRACKET AND ADJUSTED PROX SENSOR. REFER TO M/M TASK 32-30-00 - 720-901.May 21, 1996 · N412SW · Cndair CL6002B19SDR 96ZZZX4144Control Cable · brokenWHEN PILOT SELECTED GEAR DOWN POSITION, HE HEARD A SNAP AND HANDLE FELL LOOSELY TO DOWN POSITION. UNABLE TO LOWER GEAR. GEAR 'UP' LANDING WAS PERFORMED. FOUND LANDING GEAR CONTROL CABLE BROKEN INSIDE THE OUTER HOUSING NEAR GEAR HANDLE END. SUSPECT CABLE FAMay 21, 1996 · N732WC · Piper PA31325SDR 96ZZZX3200Brace Assy · fork brokeTHE FORK (FITTING) WHICH ATTACHES RETRACT ROD TO DRAG BRACE BROKE. ONE SIDE OF FORK APPEARED TO HAVE BEEN BROKEN FOR SOME TIME. THIS WAS OLDER STYLE FITTING WELDED TO BRACE. THIS IS DIFFICULT TO INSPECT WITHOUT DISCONNECTING RETRACT ROD.May 21, 1996 · N7959M · Beech 95C55SDR 96ZZZX2979Bungee Arm · crackedFOUND BOTH LANDING GEAR BUNGEE ARMS CRACKED AT PIN SLOTS AND WELDED ATTACHMENT AREA. CRACKS APPEARED TO HAVE EXISTED FOR SOME TIME, JUDGING BY APPEARANCE. REPLACED BOTH BUNGEE ARMS WITH NEW PARTS, LT W20846-006, RT W20846-007. SUSPECT CAUSE OF CRACKS APPEARMay 21, 1996 · N7114P · Piper PA24180SDR 96ZZZX2978Bungee Arm · crackedFOUND BOTH LANDING GEAR BUNGEE ARMS CRACKED AT PIN SLOTS AND WELDED ATTACHMENT AREA. CRACKS APPEARED TO HAVE EXISTED FOR SOME TIME, JUDGING BY APPEARANCE. REPLACED BOTH BUNGEE ARMS WITH NEW PARTS, LT W20846-006, RT W20846-007. SUSPECT CAUSE OF CRACKS APPEARMay 21, 1996 · N7114P · Piper PA24180SDR GAIA9613ADoor Mech · out of adjustFLT 724 - TOL-PHX - NOSE GEAR DOOR LIGHT ON DURING FLIGHT, DOOR WAS RE-RIGGED AND GEAR CYCLED 10 TIMES BY NORMAL METHOD AND 3 TIMES MANUALLY. AIRCRAFT WAS RETURNED TO SERVICE AND NO FURTHER TROUBLE REPORTED AS OF THIS DATE, MAY 24, 1996. THIS SDR CLOSES 96-11May 20, 1996 · N278US · Boeing 727251SDR 96ZZZX2917Uplock · malfunctionedNOSE LANDING GEAR DID NOT EXTEND ON THE FIRST TRY AND AIRCRAFT WAS DAMAGED ON LANDING. THE NOSE GEAR DID NOT EXTEND. THE GEAR WAS NOT CYCLED AND THE EMERGENCY RELEASE WAS NOT PULLED. ALL LIGHT INDICATIONS WERE NORMAL WHEN GEAR RETRACT WAS PERFORMED. COULD May 20, 1996 · N229AM · Swrngn SA226TCSDR DLL10961213Retract Mech · malfunctionedAFTER TAKEOFF, RT MAIN LANDING GEAR WOULD NOT RETRACT. JACKED AIRCRAFT AND PERFORMED TEST PER M/M, NO TROUBLE FOUND.May 19, 1996 · N716DA · Lkheed 10113851SDR SWIA95740Retract Mech · malfunctionedLANDING GEAR WILL NOT COME UP. JACKED AIRCRAFT. GEAR CAME UP ON FIRST ATTEMPT. SWUNG GEAR SEVERAL TIMES, COULD NOT DUPLICATE PROBLEM. INSPECTED ALL 'A' AND 'B' SYSTEMS UP CANNON PLUGS FOR CLEANLINESS. FOUND GOOD. SWUNG GEAR SEVERAL MORE TIMES. ALL CHECKMay 18, 1996 · N204SW · Emb EMB120ERSDR HNAA9690531Uplock Cyl · failedFLT NR 3332 - PHL-DCA - ON APPROACH INTO DCA, THE NOSE WHEEL ATTEMPTS TO CYCLE DOWN WITH GEAR HANDLE IN THE UP POSITION. INDICATIONS ARE A RED NOSE UNSAFE LIGHT FOLLOWED BY A HANDLE LIGHT AT WHICH TIME THE HYDRAULIC SYSTEM TAKES OVER AND FORCES THE GEAR BACK May 18, 1996 · N905HA · Dhav DHC7102SDR 9610869998Retract Mech · malfunctionedNOSE LANDING GEAR FAILED TO EXTEND DURING APPROACH INTO MSP. EMERGENCY GEAR EXTENSION PROCEDURES WERE UTILIZED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE LANDING GEAR RETRACT AND EXTEND IN-LINE RESTRICTORS. ADJUSTMENT WAS ALSO MADE TOMay 18, 1996 · N8934E · Doug DC931SDR USAAF96046Retract Mech · malfunctionedCLT - FL 494 - AFTER TAKEOFF FROM CLT, CAPTAIN COULD NOT RETRACT LANDING GEAR. MANUAL OVERRIDE WAS ATTEMPTED AND UNSUCCESSFUL. NO EMERGENCY WAS DECLARED AND THE FLIGHT RETURNED TO FIELD IN CLT. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENACNE JACKEDMay 17, 1996 · N854US · Fokker F28MK0100SDR GAIA9612Retract Mech · malfunctionedWHEN GEAR DOWN WAS SELECTED DURING APPROACH TO TOL, NOSE LANDING GEAR DID NOT EXTEND AND GEAR WAS CYCLED AND EXTENDED SUCCESSFULLY. DOOR WAS RE-RIGGED AND GEAR CYCLED 10 TIMES BY NORMAL METHOD AND 3 TIMES MANUALLY. AIRCRAFT WAS RETURNED TO SERVICE AND NO FURMay 17, 1996 · N278US · Boeing 727251SDR 96ZZZX3028Rod End · brokenSTL - FLT 609 - AFTER TAKEOFF WHEN LANDING GEAR WAS RETRACTED, RT MLG DID NOT RETRACT. EXTENDED ALL LANDING GEARS. FOUND RT MLG BUNGEE CYLINDER ROD END, MFG PN 3914016-5503, FRACTURED. REPLACED BUNGEE CYLINDER AND RT MLG OPERATION CHECKED NORMAL. CHECK C -May 17, 1996 · N987Z · Doug DC931SDR UIEA9606Dnlock Actuator · misinstalledAFTER TAKEOFF DURING GEAR RETRACTION, LEFT BODY GEAR DOOR STAYED OPEN. ALL GEARS WERE UP. RED DOOR/GEAR LIGHTS ON, ALSO PRIM/ALT DOOR OPEN LIGHTS ON. RECYCLED GEAR AND NO HELP. WHEN GEAR HANDLE PLACED TO OFF, LEFT BODY GEAR WENT DOWN/LOCKED. WITH GEAR HANMay 16, 1996 · N640FE · Boeing 747245FSDR AU960680O-Ring · failed(AUS) LANDING GEAR HYDRAULC SYSTEM PRESSURE REDUCER VALVE 'O' RING SEAL FAILEDMay 16, 1996 · Emb EMB110P1SDR P5CA9600228Solenoid · failedDURING CRUISE, EXPERIENCED SMOKE IN COCKPIT FOR 4 TO 5 MINUTES. SMOKE DISPERSED ON ITS OWN. UPON LANDING FOUND LANDING GEAR LEVER LOCK CIRCUIT BREAKER POPPED, SOLENOID FAILED. DEFERRED PER MEL 32-16 CATEGORY A, TO BE REPAIRED WITHIN 7 FLIGHT DAYS.May 15, 1996 · N852FT · Boeing 747122SDR COMA9660090Switch Bracket · bentNOSE LANDING GEAR WOULD NOT RETRACT. REPLACED BENT NLG PROXIMITY SWITCH BRACKET ASSY. ACFT RETURNED TO SERVICE.May 15, 1996 · N932CA · Cndair CL6002B19SDR CAL960619Dnlock Actuator · failedMAN - FLT 9891 - THE CENTER GEAR WARNING LIGHT REMAINED ILLUMINATED FOR 2 MINUTES AFTER GEAR HANDLE HAD BEEN PLACED IN THE 'UP' POSITION ON TAKEOFF FROM MAN. IT THEN EXTINGUISHED. GEAR WAS CYCLED AND EXTENSION OF LT MLG WAS ROUGH. CENTER GEAR DID NOT EXTENDMay 15, 1996 · N14074 · Doug DC1030SDR AU960637Hose · ruptured(AUS) LH MAIN LANDING GEAR DOWNLOCK HOSE RUPTURED - LOSS OF HYDRAULIC FLUIDMay 15, 1996 · Emb EMB110P1SDR GAIA9611Lock Actuator · failedWHEN GEAR DOWN WAS SELECTED DURING APPROACH TO TOL, NOSE LANDING GEAR DID NOT EXTEND, GEAR WAS CYCLED AND EXTEDNED SUCCESSFULLY. INVESTIGATION REVEALED HISSING SOUND INDICATIVE OF BYPASSING OF LOCK ACTUATOR. ACTUATOR CHANGED, AIRCRAFT TEST FLOWN SATISFACTORIMay 14, 1996 · N278US · Boeing 727251SDR 96ZZZX3785Compensator · failedONE OF THE TWO NOSE GEAR EXTEND COMPENSATORS INSTALLED ON THIS AIRCRAFT LOST ITS AIR CHARGE. THE NOSE GEAR WOULD NOT EXTEND PROPERLY DURING AN EMERGENCY GEAR EXTENSION RESULTING FROM A FAILURE DURING NORMAL EXTENSION. THE AIRCRAFT HAD JUST RECEIVED AN ANNUALMay 14, 1996 · N20FF · Socata TB20TRINIDADSDR 96ZZZX2993Relay · failedON APPROACH, OPERATOR ATTEMPTED TO LOWER GEAR. GEAR DID NOT RESPOND. SEVERAL ATTEMPTS WERE MADE TO LOWER GEAR NORMALLY. GEARS WERE THEN LOWERED WITH EMERGENCY GEAR EXTENSION HANDLE. BOTH MAIN GEARS WERE DOWN AND LOCKED, BUT NOSE GEAR WOULD NOT LOCK DOWN. May 14, 1996 · N20FF · Socata TB20TRINIDADSDR GAIA9610Retract Mech · lack of lubeFLT 725 - TOL-IAH - WHEN GEAR DOWN WAS SELECTED DURING APPROACH TO IAH, NOSE LANDING GEAR DID NOT EXTEND AND MANUAL EXTENSION WAS EMPLOYED TO EXTEND GEAR. AIRCRAFT WAS FLOWN TO DFW ON SPECIAL FLIGHT PERMIT FOR INSPECTION PER MM CH 32-33-0. INSPECTION REVEALEMay 13, 1996 · N278US · Boeing 727251SDR CAL960594Latch Assy · bindingCLE - FLT 1435 - WHEN LANDING GEAR HANDLE WAS MOVED TO THE DOWN POSITION FOR LANDING ON APPROACH TO CLE, THE LT MLG RED UNSAFE LIGHT DID NOT ILLUMINATE. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE LT MLG UPLOCK LATCH ASSEMBLY ROLLER JAMMED. May 13, 1996 · N27522 · Doug DC932SDR CA960529005Filter · malfunction(CAN) LANDING GEAR FAILED TO EXTEND, HAND PUMP WAS USED. LANDING GEAR MOTOR NOT RUNNING WHEN POWER APPLIED. RFI FILTER INTERMITTENT, REPLACED.May 13, 1996 · Beech B99SDR 96UAL900339Downlock Pin · not removedNOSE GEAR DOOR WOULD NOT CLOSE WITH GEAR UP, AN EICAS MESSAGE INDICATED NOSE GEAR DISAGREEMENT. *S/D* DISCREPANCY WAS CAUSED BY THE NOSE GEAR DOWNLOCK PIN BEING LEFT IN PLACE. THE PROBLEM WAS CORRECTED BY REMOVING THE DOWNLOCK PIN.May 13, 1996 · N775UA · Boeing 777222SDR 9610583214Selector Valve · malfunctionedDURING CLIMBOUT AFTER PLACING THE LANDING GEAR HANDLE IN THE UP POSITION, THE LANDING GEAR DID NOT RETRACT WHILE THE GEAR DOORS INDICATED OPEN. CYCLED LANDING GEAR HANDLE AND ALL INDICATIONS WERE NORMAL. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACEMay 13, 1996 · N314US · Airbus A320211SDR 9610573214Interface Unit · malfunctionedDURING CLIMBOUT AFTER PLACING THE LANDING GEAR HANDLE IN THE UP POSITION, ALL GEAR REMAINED EXTENDED. CYCLED LANDING GEAR HANDLE AND ALL INDICATIONS WERE NORMAL. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 1 LANDING GEAR CONTROL INTERFACE May 13, 1996 · N314US · Airbus A320211SDR CA960604001Motor · burnt(CAN) LANDING GEAR REFUSED TO EXTEND AND LOCK. EMERGENCY EXTEND SUCCESSFUL. ELECTRICAL MOTOR BURNT OUT.May 12, 1996 · Piper PA24SDR 96ZZZM1168Control Vlv · malfunctionedFLT 4966 - JFK - GEAR UNSAFE WARNING WHEN GEAR SELECTED DOWN FOR LANDING. ALL THREE GREEN LIGHT EXTINGUISHED. CFR EQP WAS CALLED OUT. CYCLED GEAR HANDLE SEVERAL TIMES, AND FINALLY DID ACHIEVE SAFE INDICATIONS. SAFE LANDING IN JFK. INSPECTED GEAR AND FOUNDMay 11, 1996 · N280AE · Saab 340BSDR USAASB96081Retract Mech · malfunctionedFLT 1862 - BWI - DURING APPROACH TO DCA, GEAR WAS LOWERED BUT WE HAD NO INDICATION OF SAFE INDICATIONS. DIVERTED TO BWI. EMERGENCY DECLARED. MAINTENANCE CYCLED THE GEAR SEVERAL TIMES, COULD NOT DUPLICATE FAULT. REPLACED THE FOLLOWING ITEMS AS A PRECAUTIONAMay 10, 1996 · N588US · Boeing 737301SDR SWAA960370Uplock Actuator · failedON APPROACH, NOSE GEAR DID NOT EXTEND, SLOWED AND RETRIED. NOSE GEAR EXTENDED. AIRCRAFT LANDED NORMALLY IN PHX. REPLACED UPLOCK ACTUATOR, NOSE GEAR SEQUENCING VALVE AND OPS CHECKED PER BOEING M/M.May 10, 1996 · N304SW · Boeing 7373H4SDR 96ZZZX3209Support · pin crackedDOWNLOCK SUPPORT LOWER PIN FOUND CRACKED. THIS CONDITION WAS FOUND AFTER FINDING RT DOWNLOCK SUPPORT LOWER PIN BROKEN OFF. THIS CRACK NOT VISIBLE WITH DOWNLOCK ASSEMBLED ON AIRCRAFT. SUSPECT CAUSE: AIRCRAFT OPERATED ON ROUGH LANDING STRIP. RECOMMEND DISASMay 10, 1996 · N8271G · Cessna 177RGSDR 96ZZZX2876Downlock Support · pin brokenDOWNLOCK SUPPORT LOWER PIN FOUND BROKEN OFF CAUSING POWERPACK MOTOR TO NOT SHUT OFF. BATTERY DRAINED VERY LOW. ELECTRICAL SYSTEMS OPERATED VERY MARGINAL DURING IFR FLIGHT. FOUND LEFT DOWNLOCK SUPPORT LOWER PIN CRACKED. THIS CRACK NOT VISIBLE WITH DOWNLOCK May 10, 1996 · N8271G · Cessna 177RGSDR 96ZZZM988Bungee Cyl · malfunctionedAFTER TAKEOFF THE GEAR DOOR OPEN AND LEFT GEAR UNSAFE LIGHT REMAINED ON AFTER RAISING THE GEAR. LOWERED THE GEAR AND GOT AN IMMEDIATE LEFT GREEN, REMAINING TWO LIGHTS ON. REMOVED AND REPLACED GEAR BUNGE CYLINDER PERFROMED LEAK CHECK AND GEAR SWING, OPS CHECKMay 10, 1996 · N933VV · Doug DC932SDR COMA9660084Uplock · malfunctionedWHEN LANDING GEAR SELECTED DOWN, GEAR DISAGREE AND NOSE DOORS MESSAGE ON EICAS, NLG REMAINED UP. COULD NOT DUPLICATE DISCREPANCY. REPLACED THE NLG UPLOCK FOR TROUBLESHOOTING.May 9, 1996 · N916CA · Cndair CL6002B19SDR AU960838Uplock · faulty(AUS) NOSE LANDING GEAR UPLOCK UNIT FAULTY - THIS DEFECT WAS RECEIVED FROM NO34 SQUADRON RAAF AND IS FOR INFORMATION ONLYMay 9, 1996 · Amd FALCON900SDR 96ZZZM987Retract Mech · lack of lubeON TAKEOFF WHEN GEAR WAS RAISED, MAIN GEARS CAME UP NORMALLY, NOSE GEAR STAYED DOWN AND LOCKED (GREEN) WITH THE RED NOSE GEAR UNSAFE LIGHT AND GEAR DOOR LIGHT OUT. RECYCLED DOWN NORMAL GEAR DOWN AND LOCKED RAISED GEAR AGAIN W/SAME RESULTS. LOWERED GEAR AND RMay 9, 1996 · N966VV · Doug DC932SDR COMA9660082Selector Valve · malfunctionedWHEN LANDING GEAR SELECTED DOWN THE NLG REMAINED UP AND GEAR DISAGREE MESSAGE ON EICAS. COULD NOT DUPLICATE DISCREPANCY. REPLACED THE NLG SELECTOR VALVE FOR TROUBLESHOOTING.May 8, 1996 · N916CA · Cndair CL6002B19SDR CAL960591Grd Sense Mech · out of adjustEWR - FLT 0088 - THE LANDING GEAR HANDLE WOULD NOT RAISE TO UP POSITION AND ON TAKEOFF FROM SFO, THE OVERRIDE BUTTON WAS USED AND THE GEAR RETRACTED. THE AIRCRAFT CONTINUED FLIGHT TO EWR WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED A GEAR SWING ANMay 8, 1996 · N68046 · Doug DC1010SDR MALA964983Switch · out of adjustFLT 3008 - ON CLIMB-OUT FROM MKG, THE NOSE GEAR CYCLED ONCE BEFORE COMING UP AND LOCKED ON GEAR RETRACTION. MAINTENANCE ADJUSTED THE RIGGING OF THE UP POSITION SWITCH. SYSTEM OPERATED SATISFACTORILY. (M)May 7, 1996 · N438MA · Swrngn SA227AC
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