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 98ZZZX4381Body · damagedRIG PIN SLOT IS BROKEN OF DUE TO FATIGUE OR ABUSE. SUBMITTER SUGGESTED USING A REMOVAL SLOT.SDR MALA976129Retract Mech · malfunctionedON LANDING INTO ATW, THE LANDING GEAR WILL NOT COME DOWN WHEN SELECTED. AIRCRAFT DIVERTED TO DTW. HYDRAULIC PUMP OPERATED NORMALLY AND LANDED WITHOUT INCIDENT. MAINTENANCE COULD NOT DUPLICATE PROBLEM, REPLACED LANDING CONTROL CIRCUIT BREAKER F7 FOR PRECAUTISDR AU980565Rod End · failed(AUS) NOSE LANDING GEAR OUTER ROD END HOUSING FAILED ACROSS THE GREASE NIPPLE ORIFICE.SDR 98FDEA00353Retract Mech · out of adjustL/MAIN GEAR LIGHT ILLUM'D ON BOTH FWD PANEL AND S/O PANEL DURING EACH GEAR HANDLE PLACED IN THE UP POS ON FOR 30 SECS. FOUND GEAR RLS MECHANISM OUT OF ADJ, ADJUSTED AND TESTED PER 32-34-21. NO GEAR SWING REQ BY MM.SDR CA980608026Bracket · misinstalled(CAN) ON TAKEOFF, GEAR WOULD NOT RETRACT, GEAR TILT MESSAGE ON ENGINE AND CREW ALERTING SYS. AIRCRAFT RETURNED, OTHER INDICATIONS SHOWED A/C STAYED IN GROUND MODE. FOUND TRUCK TILT PROXIMITY SWITCH SUPPORT BRACKET INCORRECTLY INSTALLED AND DAMAGED. BRACKET SDR 98UAL900197Logic Card · failedTHE LANDING GEAR WOULD NOT RETRACT ON TAKEOFF UNTIL THE PILOT USED THE OVERRIDE TRIGGER. *S/D* REPLACED THE AIR SENSING LOGIC CARD (M991).SDR 9809299301Cylinder · failedLEFT MAIN LANDING GEAR UNSAFE AND GEAR DOOR OPEN LIGHTS ILLUMINATED AFTER TAKEOFF. FLIGHT WAS RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED MAIN LANDING GEAR RETRACT CYLINDER. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.SDR 98FDEA00351Pin · installedCENTER GEAR W/N RETRACT AFTER T/O. RED TABS C/W RETURNED TO MEM. REMOVED L/GEAR PIN FROM CENTER GEAR.SDR 98FDEA00350Retract Mech · lack of lubeON FINAL, NOSE GEAR DID NOT INDICATE DOWN (NO GREEN LIGHT) WHEN GEAR DOWN WAS INITIALLY SELECTED. GEAR HANDLE RECYCLED AND ALL GEAR INDICATED NORMAL DOWN AND LOCKED. LUBED NOSE GEAR, CYCLED GEAR SEVERAL TIMES, OPS CK NORMAL, INDICATED THREE GREEN LIGHTS, PERSDR AU980534Electric Motor · faulty(AUS) LANDING GEAR ELECTRIC MOTOR FAULTY. INVESTIGATION FOUND POOR CONTACT WITH THE THERMAL TRIP FITTED IN SERIES TO THE MOTOR BRUSH HOLDER.SDR AU980525Arm · failed(AUS) RT MAIN LANDING GEAR DOWNLOCK ARM FAILED. LANDING GEAR COLLAPSED. AIRCRAFT WAS PREVIOUSLY REGISTERED AS VH-TXE.SDR RAIA980508Fork · failedFLT 7030 - COU - ALL THREE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. MAINTENANCE INSPECTED AND FERRIED AIRCRAFT FROM COU TO STL. MAINTENANCE REPLACED NOSE OLEO SWITCH FORK. (M)SDR ABXA9800450Valve Assy · bypassingAFTER TAKEOFF AND GEAR RETRACTED, GEAR UNSAFE LIGHT WAS ILLUMINATED. RECYCLED GEAR WITH SAME RESULTS. PERFORMED GEAR UPLATCH CHECK AND LEFT AND RIGHT MAIN GEAR AND DOORS, 'NOT LATCHED' LIGHT WAS ILLUMINATED. REPLACED SYSTEM SELECTOR VALVE FOR BYPASSING. OPSDR 98ZZZX2405Valve · failedNORMAL LANDING GEAR EXTENSION FAILED. EMERGENCY LANDING GEAR EXTENSION HAD TO BE USED. (STX) C/W MEL BOOK PROCEDURES AND DEFERRED LANDING GEAR RETRACT SYSTEM PER MEL 32-03-C. (SJU) REPLACED LANDING GEAR SELECTOR VALVE AND PERFORMED OPERATIONAL CHECK. FOUNDSDR 98ZZZX2134Bushing · misinstalledWHILE PERFORMING AN ANNUAL INSPECTION, THE NOSE GEAR DOWNLOCK BRACKET PIVOT BUSHING WAS NOT PROPERLY ALIGNED IN THE NOSE GEAR DOWNLOCK BRACKET. THE ASSEMBLY WAS REMOVED AND INSPECTED FOR PREMATURE WEAR AND RE-INSTALLED PROPERLY WITH NEW BOLTS.SDR 98ZZZX2131Valve · failedDURING ANNUAL INSPECTION AND GEAR RETRACTION CHECK, THE LANDING GEAR MOTOR WOULD RUN INTERMITTENTLY. TROUBLESHOOTING FOUND THE EMRGENCY GEAR FREE FALL VALVE WAS LEAKING INTERNALLY. THE VALVE WAS REPLACED WITH A NEW ONE, GEAR OPS CHECK FOUND SATISFACTORY.SDR 98FDEA00344Hyd Fuse · blownGEAR HANDLE W/N COME UP AFTER T/O, STEERING HANDLE CENTERED, GROUND TENSION CHECKED OK ON TAT. PRESSED HANDLE RELEASE AND HANDLE STILL W/N COME UP. REMOVED AND REPLACED TRIM CYLINDER INTERLOCK FUSE, SYS OPS CK NORMAL PER MM 32-31-06-02.SDR 98ZZZX2494Crank Assy · failedAFTER TAKEOFF AND GEAR RETRACTION, RED UNSAFE LIGHT ON, LEFT MAIN LANDING GEAR REMAINS ILLUMINATED, LANDING GEAR RECYCLED. ONCE CONDITION REMAINS, VISUALLY CHECK LANDING GEAR IS UP AND LOCKED. CONTINUE FURTHER FLIGHT. FCO GROUND FOUND LT GEAR CRANK ASSY, SESDR CA980529017Cam · broken(CAN) WHILE CARRYING OUT LANDING GEAR RETRACTION TESTS WITH THE NOSE GEAR DOORS DISCONNECTED AS PER THE MAINTENANCE MANUAL, THE CLEVIS FOR THE GEAR DOORS WAS ACCIDENTALLY ROTATED TO THE HORIZONTAL POSITION. WHEN THE LANDI NG GEAR WAS RETRACTED IT CAUGHT THE CSDR SCNA98040Lgau · inoperativeAFTER TAKEOFF, COULD NOT RETRACT LANDING GEAR NORMALLY. RETRACTED GEAR WITH THE OVERRIDE SWITCH BUT GEAR UNSAFE LIGHT ILLUMINATED. RETURNED TO BOS AND GEAR EXTENDED NORMALLY. REMOVED AND REPLACED K5, K6 AND K8 GROUND RELAYS AND K9, K10, K11 AIR RELAYS AND LSDR USAAF98041Upstop Damper · failedPIT - FLT 536 - AFTER TAKEOFF FROM PIT, LEFT MAIN GEAR DID NOT FULLY RETRACT. CREW RECYCLED GEAR TWO TIMES WITH SAME RESULT. FLIGHT RETURNED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LEFT MAIN LANDING GEAR UPSTOP DAMPER. (M)SDR CALA98008340ownlock · wornLEFT MLG DOWNLOCK CRANK HOLES ARE OVERSIZED. FABRICATED AND INSTALLED TWO BUSH INGS PER OHM 32-01-02.SDR AU980571Housing · failed(AUS) MAIN LANDING GEAR LOWER DRAG LINK BROKEN AWAY FROM THE UPPER TRUNNION. INVESTIGATION FOUND THE FAILURE WAS DUE TO A HEAVY LANDING.SDR 9808729101Valve · failedDURING CLIMBOUT, THE RIGHT MAIN LANDING GEAR UNSAFE AND DOOR OPEN LIGHTS ILLUMINATED. THE FLIGHT CREW FOLLOWED COM PROCEDURES, RECYCLED LANDING GEAR HANDLE, RETURNED TO MEM, AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE MAIN LANDING GEAR CONTROL VALVSDR SWIA971205Solenoid Valve · failedON APPROACH, LANDING GEAR DID NOT EXTEND. PERFORMED ELECTRIC OVERRIDE. SLAVED IN GEAR CONTROL BOX GEAR RELAY BOX AND CHANGED GEAR SOLENOID VALVE. REPLACED SOLENOID SELECTOR VALVE FOR TROUBLESHOOTING. SYSTEM STILL CHECKS BAD. REMOVED AND REPLACED NOSE A DOSDR 98ZZZX2714Brush · wornONE OF FOUR BRUSHES WAS WORN TO EXCESSIVE LIMIT. CAUSED LANDING GEAR TO NOT OPERATE CORRECTLY. BRUSH WORN TO EXPOSE WIRE.SDR CA980512010Bolt · sheared(CAN) PILOT REPORTED AIR/GROUND ANNUNCIATOR LIGHT. FOUND BOLT SHEARED THAT HOLDS AXIS PIN FOR TRAILING LINK. THIS BOLT PREVENTS PIN DRIFT AND SECURES AXIS TO ROTATE WITH TRAILING LINK. TARGET FOR W.O.W. PROXIMITY SWITCH IS MOUNTED ON AXIS. SHEARED BOLT ALLSDR AU980528Downlock · lack of lube(AUS) RT MAIN LANDING GEAR DOWNLOCK HOOK STIFF IN OPERATION DUE TO A BUILD-UP OF CONTAMINATION.SDR 9808479996Retract Mech · lack of lubeNOSE LANDING GEAR GREEN LIGHT DID NOT ILLUMINATE AFTER GEAR EXTENSION. CREW UTILIZED EMERGENCY GEAR EXTENSION PROCEDURES AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE COULD NOT DUPLICATE DISCREPANCY ON GROUND. LUBRICATED NOSE GEAR ASSEMBLY.SDR 9808469101Latch · out of adjustRIGHT MAIN LANDING GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR RETRACTION. FLIGHT WAS RETURNED TO MEM AND LANDED WITHOUT INCIDENT. MAINTENANCE ADJUSTED RIGHT MAIN GEAR DOOR LATCH MECHANISM, OPERATIONAL CHECK NORMAL.SDR 98UAL900179Retract Mech · malfunctionedINITIAL LANDING GEAR EXTENSION RENDERED AMBER TAIL SKID AND GEAR LIGHTS AND EICAS GEAR DISAGREE MESSAGE. DID GO-AROUND, RECYCLED GEAR. SUBSEQUENT GEAR EXTENSION NORMAL.SDR 98ZZZX1980Side Brace · crackedDURING AN ANNUAL INSPECTION, A CRACK WAS DISCOVERED ON THE MLG UPPER SIDE BRACE WELD ASSEMBLY NEAR THE AFT ATTACH POINT.SDR USAAF98039Selector Valve · failedPNS - FLT 243 - ON APPROACH TO PNS WHEN LANDING GEAR WAS SELECTED DOWN, NOSE GEAR DID NOT INDICATE DOWN AND LOCKED (NO GREEN 'SAFE'). CREW RECYCLED GEAR AND ALL THREE GEAR INDICATED DOWN AND LOCKED. FLIGHT LANDED PNS WITHOUT FURTHER INCIDENT. AIRCRAFT FERRISDR AU980543Bearing · seized(AUS) LT MAIN LANDING GEAR DOWNLOCK ACTUATOR ROD END BEARING DIRTY AND PARTIALLY SEIZED.SDR VTZA98181Retract Mech · req'd serviceFLT 6598 - IAD-RDU - DURING CLIMB, MADE AN UNSCHEDULED LANDING DUE TO LANDING GEAR WOULD NOT RETRACT. AIRCRFT RETURNED TO THE GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND FOUND NOSE GEAR NEEDING SERVICED. MAINTENANCE SERVICED NOSE GEAR AND PERFOSDR ASAA9840066Actuator · inoperativeSAN - FLT 501 - ON DEPARTURE FROM SAN, RAISED LANDING GEAR NORMALLY BUT WHEN SELECTED GEAR HANDLE TO OFF, THE RIGHT GEAR EXTENDED UNCOMMANDED. PLACED GEAR HANDLE BACK TO UP, THEN RETURNED GEAR HANDLE TO OFF POSITION AND THE RIGHT GEAR REMAINED UP. CONTINUEDSDR 98ZZZX2006Torque Knee · crackedDURING BEECH SB 32-3134, FOUND A MLG TORQUE KNEE WITH A CRACK.SDR CA980507005Motor · failed(CAN) LANDING GEAR WOULD NOT EXTEND ON DOWN SELECTION. LANDING GEAR EXTENDED MANUALLY AND A/C LANDED SAFELY. MAINTENANCE TROUBLESHOOTING REVEALED AN OPEN 60 AMP CIRCUIT BREAKER LOCATED IN THE LT WING. THIS CB POWERS THE LANDING GEAR MOTOR. CIRCUIT BREAKER SDR USAASB98103Check Valve · failedPIT - FL8051 - AFTER TAKEOFF AND LANDING GEAR 'UP' SELECTED, THE NOSE GEAR FAILED TO RETRACT. SELECTED GEAR 'DOWN' AND PERFORMED CHECKLIST. FLIGHT RETURNED TO FIELD AT PIT AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE FOUND THESDR COMA9860089Pin · installedLANDING GEAR WOULD NOT RETRACT DURING CLIMB OUT, AIRCRAFT RETURNED TO THE FIELD. REMOVED GEAR DOWN LOCK PINS FROM MLG.SDR REXA98093Swivel · brokenAFTER TAKEOFF, LOST ALL HYDRAULIC (MAIN) PRESSURE. FOUND RT MLG SWIVEL BROKEN. REMOVED AND REPLACED SWIVEL. (X)SDR 99ZZZX425Housing · crackedSHUT-OFF VALVE MODULAR PACKAGE ASSY, P/N 65-44581-5, RECEIVED FOR O/H. UNIT REMOVED BECAUSE VALVE WAS LEAKING. AFTER REMOVAL OF TWO SHUT-OFF VALVES, A 1.75 INCH CRACK WAS FOUND IN HOUSING, P/N 65-44582-11. THE CRACK PROGRESSED FAR ENOUGH TO ALLOW FLUID TO SDR SWA980661Retract Mech · lack of lubeAFTER TAKEOFF GEAR WOULD NOT COME UP, PULLED TRIGGER LOCK OVERRIDE TO RISE AFTER GEAR RETRACTED, TAKEOFF WARNING HORN AND CDU STUCK. USED QRH PULLED P62 CB HORN OFF, AND CDU OK. AIR RETURN TO PHX, AND MADE AN UNEVENTFUL LANDING. ADJUSTED GROUND SENSE CABLE SDR COMA9860083Retract Mech · malfunctionedAFTER TAKEOFF, LANDING GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO THE FIELD AND THEN WAS FERRIED TO CVG GEAR DOWN. CVG MAINT COULD NOT DUPLICATE THE PROBLEM BUT DID FIND A DI11 OFF CODE. THE LANDING GEAR CONTROL HANDLE WAS REPLACED AS A PRECAUTIONARY MEASSDR COMA9860082Retract Mech · malfunctionedLANDING GEAR WILL NOT RETRACT. COULD NOT DUPLICATE DISCREPANCY. REPLACED GEAR SELECTOR FOR TROUBLESHOOTING.SDR CA980602058Motor · failed(CAN) LANDING GEAR FAILED TO EXTEND USING THE NORMAL ELECTRICAL EXTENSION SYSTEM. THE LANDING GEAR WAS EXTENDED MANUALLY AND AIRCRAFT LANDED WITHOUT INCIDENT AFTER CONFIRMATION GEAR DOWN AND LOCKED. SUBSEQUENT INVESTIGATION REVEALED THE LANDING GEAR ELECTRICSDR CA980430030Torque Tube · cracked(CAN) AFTER TAKEOFF, THE CONTROL TOWER INFORMED THE PILOT THAT THE LEFT MLG WAS DOWN. AIRCRAFT RETURNED TO BLOCKS. INVESTIGATION REVEALED THAT THE CROSS SHAFT WAS CRACKED AND DISTORTED. REPLACED.SDR AU980448Relay · shorted(AUS) LANDING GEAR MOTOR POWER RELAY SHORT CIRCUITED AND BURNED.SDR AU980434Hydraulic System · malfunction(AUS) DURING CLIMB, THE HYDRAULIC PRESSURE ANNUNCIATOR ILLUMINATED AND THE HYDRAULIC PRESSURE FELL TO 800 PSI. THE LG INITIALLY WOULD NOT RETRACT, BUT RETRACTED AFTER APPROXIMATELY TWO MINUTES. GROUND RETRACTION CHECKS COULD NOT DUPLICATE THE PROBLEM. HYDRASDR 98ZZZX1667Bolt · failedUPPER NOSE GEAR DRAG BRACE BOLT FAILED. FAILURE OCCURRED ON BOLT UNDER DRAG BRACE BUSHING. METAL FATIGUE IS SUSPECTED REASON FOR FAILURE. SUBMITTER SUGGESTED REMOVING AND VISUALLY INSPECTING BOLT AND/OR PERFORM NDT OF BOLT.
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