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 CA990927056Gear Chain · separated(CAN) UPON SELECTING GEAR UP, IN-TRANSIT LIGHT STAYED ON. GEAR WAS THEN SELECTED DOWN AND THE MAIN GREEN LIGHTS CAME ON. THE NOSE WAS ABOUT 15 DEGREES FROM DOWN AND LOCKED. THE AFT GEAR CHAIN WAS ACCESSED BY THE FLIGHT CREW AND WITH THE AID OF MAINTENANCE, SDR AU990940Uplock Hook · corroded(AUS) LEFT MAIN LANDING GEAR UPLOCK HOOK CORRODED AND STIFF TO OPERATE.SDR 99ZZZX3733Angle · crackedDURING A PHASE INSPECTION, A CRACK WAS FOUND IN THE OUTBOARD END OF THE RIGHT AND LEFT MAIN GEAR UPLOCK HOOK SUPPORT ANGLE THAT IS ATTACHED TO THE FORWARD WING SPAR WEB. THE CRACKS ORIGINATE AT THE OUTBOARD HILOCK HOLE AND EXTENDS FOR A TOTAL LENGTH OF 1.5 INSDR 99ZZZX3732Angle · crackedDURING A PHASE INSPECTION, A CRACK WAS FOUND IN THE OUTBOARD END OF THE RIGHT AND LEFT MAIN GEAR UPLOCK HOOK SUPPORT ANGLE THAT IS ATTACHED TO THE FORWARD WING SPAR WEB. THE CRACKS ORIGINATE AT THE OUTBOARD HILOCK HOLE AND EXTENDS FOR A TOTAL LENGTH OF 1.5 INSDR SWIA971553Uplock Sensor · out of positionRIGHT MAIN WOULD NOT RETRACT. RETURNED TO WYS. INSPECTED LEFT AND RIGHT MAIN LANDING GEAR RIGGING, FOUND NORMAL. ADJUSTED RIGHT UPLOCK SENSOR STRIKER TARGET IN 1/2 TURN. CYCLED GEAR, ALL INDICATION AND OPERATION NORMAL PER MM 32-30-00.SDR SWAA991503Actuator · inopAIR TURNBACK, NLG FAILED TO RETRACT AFTER TAKEOFF (GEAR RECYCLED TWICE). PINNED NLG AND RELEASED FOR FERRY FLIGHT TO DAL. AT DAL, REMOVED AND REPLACED NLG LOCK ACTUATOR PER MM.SDR 99ZZZX3657Spring · failedDURING LANDING, THE LEFT MAIN LANDING GEAR SPRING FAILED CAUSING SUBSTANTIAL DAMAGE TO THE AIRCRAFT FUSELAGE AND WING. PART REMOVED AND TURNED OVER TO FAA FOR INVESTIGATION. POSSIBLE CAUSE - IMPROPER HEAT TREATMENT OF SPRING.SDR 20000515AP039Ballscrew · corrodedNOSE LANDING GEAR MANUAL EXTENSION JACKSCREW HAS PITTING CORROSION. REMOVED AND REPLACED NLG MANUAL EXTENSION JACKSCREW IAW MM 32-34-1 PAGE 401, OPS CHECK GOOD IAW MM 32-34-0 PAGE 201. (M)SDR COMA9960496Valve · malfunctionLANDING GEAR DISAGREE WARNING. REPLACED THE NLG PRIORITY VALVE.SDR HEEA064338Line · leakingHOSE ASSY LEAKING FROM FITTING. REFERENCE: DMR NR 686355.SDR 99ZZZX3573Squat Switch · failedTHE LANDING GEAR RETRACTED, BUT WOULD NOT EXTEND WITH HYDRAULIC PRESSURE, ALTERNATE GEAR EXTENSION WAS USED AND THE GEAR EXTENDED. TROUBLESHOOTING REVEALED THE GEAR UP SOLENOID WAS RECEIVING 28 VOLTS WITH THE GEAR HANDLE IN THE DOWN POSITION. FOUND THE LEFT SDR 99ZZZM701Actuator · failedKMIA - LEFT MLG DID NOT RETRACT AFTER NORMAL TAKEOFF. GEAR DISAGREE/GEAR DOOR LIGH TON, STATUS AIR/GROUND DISAGREE ON LANDING GEAR MONITOR. FOUND LEFT MAIN LANDING GEAR DOWN LOCK ACTUATOR FAILED AFTER NUMEROUS GEAR SWINGS. REPLACED LEFT MAIN LANDING GEAR DOSDR SWIA971561Control Box · failedLANDING GEAR WOULD NOT RETRACT ON DEPARTURE. RETURNED TO SAN. REMOVED AND REPLACED LANDING GEAR CONTROL BOX. OPERATED LANDING GEAR SEVERAL TIMES WITH NO DISCREPANCIES. OPS CHECKS GOOD.SDR 99ZZZX3766Uplock · looseDURING INSPECTION, FOUND LT MLG UPLOCK ASSY LOOSE IN AIRCRAFT STRUCTURE. ALL 4 BOLTS (AN4-7A) WERE LOOSE. NO SAFETY DEVICE OTHER THAN THAN SELF-LOCKING NUTPLATE (MS21069L4). TORQUED BOLTS AND APPLIED LOCTITE 271 THREAD LOCKER. FOUND RT UPLOCK ASSY SECURE, SDR 99ZZZX3765Uplock · looseDURING INSPECTION, FOUND LT MLG UPLOCK ASSY LOOSE IN AIRCRAFT STRUCTURE. ALL 4 BOLTS (AN4-7A) WERE LOOSE. NO SAFETY DEVICE OTHER THAN SELF-LOCKING NUTPLATE (MS21069L4). TORQUED BOLTS AND APPLIED LOCTITE 271 THREAD LOCKER. FOUND RT UPLOCK ASSY SECURE, BUT BSDR CA991103052Bolt · failed(CAN) PILOT FOUND THE BOLT HEAD MISSING ON THE LEFT LOWER DRAG BRACE TO GEAR ATTACHMENT. CLOSER INSPECTION REVEALED THAT THE BOLT HAD FAILED AT THE DRILL HOLES IN THE CENTER OF THE SHANK. INSPECTED TWO OTHER FASTENERS ON THE LEFT DRAG BRACE AND ALL THREE ON SDR SWAA991458Circuit Breaker · trippedAIR TURNBACK, GEAR LEVER WOULD NOT RAISE ON TAKEOFF, RETRACTED FLAPS AND NO TAKEOFF WARNING HORN. FOUND LANDING GEAR LATCH AND PRESS WARNING CIRCUIT BRAKER TRIPPED. RESET CIRCUIT BRAKER, PERFORMED GEAR HANDLE OPS CHECK, SYSTEM WORKS GOOD PER MM.SDR PLGA990901ACircuit Breaker · failedBOS - FLT 6386 - AFTER TAKEOFF FROM BOS TO SYR, WHEN THE LANDING GEAR WAS RETRACTED THE HYD LOW PRESS LIGHT CAME ON, HYD PRESSURE DROPPED AND THE HYD PUMP AUTO BREAKER POPPED. HYD OVERRIDE WAS SELECTED AND GEAR WAS EXTENDED. AIRCRAFT LANDED WITHOUT INCIDENT.SDR AALA991311Retract Mech · malfunctionedTUL - DURING AIRCRAFT 'RCF' AFTER HEAVY C-CHECK, THE MAIN LANDING GEAR EMERGENCY EXTENSION SYSTEM WAS ACTUATED BUT DID NOT OPERATE PROPERLY. MAIN LANDING GEAR DID NOT EXTEND, COULD NOT RELEASE MECHANISM. CHECK AND RE-RIGGED EMERGENCY EXTEND CABLES. PERFORMESDR 99ZZZX3848Fitting · damagedDURING GEAR INSPECTION, EXCESSIVE MOVEMENT WAS NOTICED. REMOVED THE SIDE BRACE STUD ASSEMBLY AND DISCOVERED THE SIDE BRACE STUD HAD BEEN FORCED IN THE SIDE BRACE ASSY. THE SIDE BRACE ASSY WAS SEVERELY FRITTERED AWAY.SDR ABXA9900679Pivot Pin · out of positionNOSE GEAR WOULD NOT EXTEND AND GEAR DOORS WOULD NOT OPEN WHEN GEAR WAS EXTENDED. RECYCLED GEAR, SYSTEM FUNCTIONED NORMAL. REMOVED AND REINSTALLED AFT PIVOT PIN ON OVER-CENTER LINK TO OBTAIN 55 DEGREE ANGLE ON IDLER ARM IAW DC9 MM 32-20-00. OPS CHECKED GOOD.SDR 99ZZZM702Actuator · failedKMIA - LEFT MLG WOULD NOT RETRACT, GEAR DISAGREE/GEAR DOOR LIGHT ON WHEN GEAR HANDLE PLACED DOWN. FOUND LEFT MLG TILT ACTUATOR WITH INTERNAL LEAKAGE. REPLACED LEFT MLG TILT ACTUATOR WITH INTERNAL LEAKAGE. REPLACED LEFT MLG TILT ACTUATOR IAW MM 32-30-15, OPESDR RRXA991646Retract Pin · corrodedDURING A MAINTENANCE VISIT FOUND CORROSION, RT MLG, RETACT PIN BOSS. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. REBUSHED RT MLG CYL RETRACT PIN BOSS BORE IAW AAR FAA-99-417 AND EWA MA AI-3210-01:03. (CORROSION DSDR RRXA991645Retract Pin · corrodedDURING A MAINTENANCE VISIT FOUND CORROSION, LT MLG, RETRACT PIN BOSS. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. REBUSHED LT LMG RETRACT PIN BOSS BORE IAW AAR FAA 99-417 AND EWA MA AI-3210-01:03.SDR RRXA991473Retract Pin · corrodedDURING A MAINTENANCE VISIT FOUND CORROSION, LT MLG RETRACT PIN BOSS. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. REBUSHED LT MLG RETRACT PIN BOSS BORE IAW AAR FAA APPROVED DER ENGINEERING SKETCH NR 99-417 AND EMERSDR RRXA991472Retract Pin · corrodedDURING A MAINTENANCE VISIT FOUND CORROSION, MAIN LANDING GEAR, RIGHT MLG, RETRACT PIN BOSS. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. REBUSHED RIGHT MLG CYL RETRACT PIN BOSS BORE IAW ARR FAA APPROVED DER ENGINESDR HALA0000172Actuator · failedFLT 162 - HNL - NOSE LANDING GEAR WOULD NOT EXTEND. CYCLED THREE TIMES. PULLED ALTERNATE GEAR EXTENSION LEVER, NOSE GEAR EXTENDED WITH NORMAL INDICATIONS. STOWED ALT LEVER. CHECKED NOSE GEAR COND AND SERVICE CHECK OK. REPLACED NOSE GEAR BUNGEE CYL PER MM SDR DLL19991923Retract Mech · malfunctionedON APPROACH GEAR WOULD NOT EXTEND NORMALLY. NO ABNORMAL INDICATIONS NOTED. EXTENDED GEAR USING MANUAL EXTENSION HANDLES. INITIAL INDICATIONS INTRANSIT LIGHT AND GEAR DOOR LIGHTS ONLY.SDR SIMA992391Control Valve · failedABI - FLT 5251 - MAIN LANDING GEAR WOULD NOT EXTEND. HAD TO USE MANUAL OVERRIDE. REMOVED AND REPLACED LANDING GEAR CONTROL VALVE. LEAK AND FUNCTIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)SDR 99ZZZX3633Cap · crackedCAP IS CRACKED BEHIND THE C-PORT DUE TO FATIGUE.SDR 99ZZZX3479Relay · failedTRB - LANDING GEAR WOULD NOT EXTEND, TRIPPED CIRCUIT BREAKER. LANDING GEAR GEARBOX JAMS AT GEAR UP POSITION, SUSPECT DYNAMIC BREAK RELAY NOT STOPPING GEAR MOTOR SOON ENOUGH. REMOVED AND REPLACED GEARBOX AND RELAY. OPS CHECKS GOOD.SDR 99ZZZM703Retract Mech · lack of lubeKMIA - LEFT MLG WOULD NOT RETRACT, GEAR DISAGREE/GEAR DOOR LIGHT ON WHEN GEAR HANDLE PLACED DOWN. JACKED AND SWUNG GEAR SEVERAL TIMES WITH NO DISCREPANCY NOTED. LUBRICATED LEFT MAIN LANDING GEAR. RETURNED AIRCRAFT TO SERVICE. (M)SDR RRXA991504Retract Pin · corrodedDURING A MAINTENANCE VISIT FOUND CORROSION, MAIN LANDING GEAR STRUT, LT AND RT MLG RETRACT PIN ASSY (EO). DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. COMPLIED WITH MA-A1-3210 AND S/B 32-102 REPLACED PINS AND REWORSDR 99ZZZX3570Motor · failedPILOT TOOK OFF AND TRIED TO RETRACT LANDING GEAR. CIRCUIT BREAKER TRIPPED FOR LANDING GEAR MOTOR. PILOT USED EMERGENCY BLOW-DOWN TO EXTEND THE GEAR TO THE DOWN AND LOCKED POSITION. PILOT LANDED SAFELY. THIS AIRCRAFT HAD PREVIOUSLY BEEN CONVERTED FROM A MECHSDR MASA99148Bracket · jammedFLT 5384 - BOS-PQI - DURING PREPARATION FOR LANDING IN PQI, THE CREW RECEIVED A GEAR UNSAFE INDICATION. THE AIRCRAFT DIVERTED TO BGR WHERE THEY DECLARED AN EMERGENCY. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND A BOLT LODGED BETWEEN THE DOWNLOCKSDR CA990907039Brushes · worn(CAN) COULD NOT GET LANDING GEAR DOWN. ALTERNATE GEAR EXTENSION CARRIED OUT. MAINTENANCE CARRIED OUT GEAR FUNCTION CHECK. WHEN FOURTH RETRACTION WAS ALMOST COMPLETED, 60-AMP CIRCUIT BREAKER TRIPPED. UPON DISASSEMBLY OF HYDRAULIC POWER PACK MOTOR, IT WAS DISDR UPS99430416Retract Mech · lack of lubeINSPECTION TYPE:N/A, UPON THE SECOND DEPARTURE THE RIGHT WING GEAR WOULD NOT TILT. LANDING GEAR LEVER WILL NOT MOVE TO THE UP POSITION. COMPLETED CHECKLIST AND RETURNED TO KIX. BOTH PRIMARY AND ALT AGREE. ***REFERENCE UPS99430415 FOR REPEAT WRITE-UP*** JASDR UPS99430415Retract Mech · malfunctionedINSPECTION TYPE:N/A, UPON DEPARTURE RIGHT WING GEAR WOULD NOT TILT. LANDING GEAR LEVER WILL NOT MOVE TO THE UP POSITION. CREW COMPLETED CHECKLIST AND RETURNE D TO KIX. ***REFERENCE UPS99430416 FOR REPEAT WRITE-UP*** INSPECTED ALL LANDING GEAR, NO DEFECTS FSDR 99ZZZX3678Gear · wornNOSE GEAR COLLAPSED DURING TAXI OPERATIONS AFTER LANDING AIRCRAFT. SUBSEQUENT INVESTIGATION REVEALED DAMAGE AND EXCESS WEAR TO THE NOSE GEAR CRANK AND WORM GEAR ASSY. POSSIBLE CAUSE OF PART DAMAGE LIKELY OCCURRED DURING A LANDING ATTEMPT WITH NOSE GEAR NOT FSDR 99ZZZX3404Clevis Pin · failedCLEVIS PIN ATTACHING LANDING GEAR LOCK RELEASE CABLE TO HYDRAULIC POWER PACK BROKE AROUND COTTER KEY HOLE WHICH DISCONNECTED THE GEAR LOCK RELEASE CABLE FROM THE LANDING GEAR HANDLE. WHEN GEAR WAS SELECTED DOWN, THE LOCKS DID NOT RELEASE.SDR C2XA99CL086Retract Mech · req'd serviceCLE-PIT - FLT 3030 - THE CREW REPORTED THE LEFT MAIN GEAR LIGHT DID NOT ILLUMINATED WHEN THE GEAR WAS SELECTED DOWN. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE SERVICED THE HYDRAULIC RESEVOIR AND PERFORMED OPS CHECK OF THE GEAR IAW B1900D MM 3SDR 99ZZZX4006Valve · crackedBODY IS CRACKED AT UP AND DOWN PORTS. FATIGUE, OVERSTRESSED.SDR 99ZZZX4005Valve · crackedBODY IS CRACKED AT UP AND DOWN PORTS. FATIGUE, OVERSTRESSED.SDR 20000405SH021Pin · looseWHILE PERFORMING RECURRENT INSP OF NOSE GEAR DOWNLOCK PINS LOCATED IN ACTUATOR BEARING END, FOUND DOWNLOCK PINS IN AN UNAIRWORTY CONDITION. LT PIN LOOSE AND ROTATING FREELY, RT PIN BROKEN WITH ITS WORKING END WIGGLING FREE, FITTED END STILL SEATED. FOUND NG SDR MASA99142Valve · failedFLT 5808 - PHL-STL - AFTER DEPARTURE FROM PHL, THE CREW REPORTED THE NOSE GEAR DOOR WOULD NOT CLOSE ON RETRACTION. THE CREW DECLARED AN EMERGENCY RETURNED TO THE FIELD. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE NOSE PRIORITY VALSDR 99ZZZX3630Arm · wornPILOTS SQUAWKED A NOISE FROM NOSE WHEELWELL WHILE TAXIING. INSPECTION REVEALED EXCESSIVE CLEARANCE BETWEEN THE ARM THAT ATTACHES THE STEERING BUNGEE TO THE NOSE STEERING UNIVERSAL JOINT. THIS CLEARANCE ALLOWED THE BUNGEE TO CONTACT THE PULLEY BRACKET LOCATEDSDR MASA99140Valve · failedFLT 6003 - PHX-DSM - ON SHORT FINAL INTO DSM, THE CREW RECEIVED A NOSE GEAR FAIL INDICATION UPON GEAR EXTENSION. THE CREW RECYCLED THE GEAR AND RECEIVED GEAR DOWN AND LOCKED INDICATION. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. THE AIRCRAFT WAS FERRIED SDR 99ZZZX3274Selector Valve · failedTHE LANDING GEAR CONTROL VALVE FAILED TO RETRACT GEAR. THIS WAS DISCOVERED WHEN THE CREW SELECTED 'GEAR UP' AFTER TAKEOFF. THIS IS THE ORIGINAL VALVE INSTALLED IN THE AIRCRAFT AT MANUFACTURER (20 YEARS OLD).SDR 9903486615Retract Mech · malfuntionedWHILE CHECKING FOR A HYDRAULIC LEAK, THE NOSE LANDING GEAR RETRACTED RESULTING IN DOOR 1L BECOMING DETACHED FROM THE FUSELAGE BY THE JETWAY. THE BOEING AOG TEAM WILL BEGIN THE REPAIR PROCESS ON 26AUG99. EXACT CAUSE OF EVENT TO BE DETERMINED.SDR SWAA991357Sensor Cable · out of adjustAIR TURNBACK, GEAR HANDLE WOULD NOT COME UP AFTER TAKEOFF. RIGGED MLG GROUND SHIFT SENSOR CABLE ASSY PER MM.
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