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 97ZZZX1479Actuator · leakN2 SYSTEM SHOWED HIGH PRESSURE. FOUND HYDRAULIC FLUID IN N2 SYSTEM. DRAINED SYSTEM AND RESERVICED WITH N2. SUSPECT CAUSE IS MAIN LANDING GEAR EMERGENCY EXTEND ACTUATOR HAS LEAKING SEAL.SDR 97ZZZX3168Drag Brace · failedNOSE GEAR DRAG BRACE FAILED ON LANDING ROLL OUT.SDR COMA9710188Relay Box · malfunctionedLANDING GEAR DID NOT RETRACT WHEN SELECTED UP AFTER TAKE OFF. COULD NOT DUPLICATE DISCREPANCY. REPLACED THE LANDING GEAR RELAY BOX FOR TROUBLESHOOTING.SDR 97ZZZM525Retract Mech · malfunctionedFLT 447 - FLL-MHH - LANDING GEAR MANUALLY EXTENDED. FERRIED AIRCRAFT TO MIA, INSPECTED WIRING BEHIND INSTRUMENT PANEL AND IN WING ROOT WITH AIRCRAFT ON JACKS, CYCLED GEAR SEVERAL TIMES. NO DEFECTS NOTED. (M)SDR 9706149943Linkage · out of adjustDURING APPROACH, NOSE LANDING GEAR GREEN DOWNLOCK LIGHT DID NOT ILLUMINATE AFTER GEAR EXTENSION. RECYCLED GEAR WITH SAME RESULTS. EMERGENCY EXTENSION PROCEDURES WERE UTILIZED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED NOSE GEAR LOCK SWITCH. SDR 9706109998Cylinder · malfunctionedNOSE LANDING GEAR WOULD NOT EXTEND ON APPROACH. EMERGENCY EXTENSION PROCEDURES WERE UTILIZED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED NOSE GEAR BUNGEE CYLINDER. ALSO, LUBED NOSE GEAR AND SERVICED NOSE STRUT, OPERATIONAL CHECK NORMAL.SDR C2XA97CL028Relay Box · failedCLE - FLT 3092 - CREW REPORTED, THAT AFTER TAKEOFF THE LANDING GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO FIELD. MAINTENANCE INSPECTED THE LANDING GEAR SYSTEM THEN REMOVED AND REPLACED THE GEAR RELAY BOX IAW EMB-120MM 32-31-02. THE LANDING GEAR CONTROL HASDR WTAA970049Uplock Actuator · failedOXR - NOSE GEAR UNSAFE INDICATION WHEN GEAR SELECTED DOWN REPORTED. AIRCRAFT LANDED WITHOUT INCIDENT. AIRCRAFT FERRIED TO FAT FOR REPAIR. MAINTENANCE REPLACED NOSE LANDING GEAR UPLOCK JACK. PERFORMED GEAR SWING. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RSDR 97ZZZX1219Line · corrodedALUMINUM LINE THAT ATTACHES TO GEAR BLOW-DOWN BOTTLE HAS A HOLE CORRODED IN TUBE 7.5 INCHES DOWN FROM BLOW-DOWN BOTTLE WHERE IT LAYED AGAINST THE CROSS-OVER HEAT DUCT INSULATION. SUBMITTER SUGGESTED LINE BE BENT OUT ENOUGH TO RELIEVE PRESSURE AND CHAFING PROBSDR COMA9710182Relay Box · failedLANDING GEAR DID NOT EXTEND WHEN SELECTED DOWN FOR LANDING. ALTERNATE EXTENSION SYSTEM WAS USED. REPLACED THE LANDING GEAR RELAY BOX. PART TOTAL CYCLES, 18,624.SDR 97ZZZX1636Bellcrank · brokenDISCOVERED BELLCRANK BROKEN AFTER RIGHT MAIN LANDING GEAR COLLAPSED ON LANDING ROLL OUT.SDR 9705832761Sequence Valve · failedDURING TAKEOFF, THE RIGHT MAIN GEAR DID NOT RETRACT AND HAD AN A-SYSTEM HYDRAULIC FAILURE, QUANTITY WENT TO ZERO. MANUALLY EXTENDED LEFT MAIN AND NOSE GEAR. AIRCRAFT RETURNED TO LGA AND LANDED WITHOUT INCIDENT. REPLACED THE LEFT MAIN GEAR SEQUENCE LOCK. JASDR COMA9710181Connector · brokenLANDING GEAR WOULD NOT RETRACT. REPLACED DEFECTIVE WIRING CONNECTOR AT RT MLG UPLOCK.SDR CA970407019Pseu · failed(CAN) LANDING GEAR FAILED TO EXTEND. ALTERNATE GEAR EXTENSION CARRIED OUT. PROXIMITY SENSOR ELECTRONIC UNIT REPLACED.SDR REXA97058Actuating Fork · brokenAFTER TAKEOFF GEAR WOULD NOT RETRACT, AIRCRAFT RETURNED FOR UNEVENTFUL LANDING. REPLACED ACTUATING FORK ON NOSE STRUT. (M)SDR MZZA97057Bearing · seizedKUL - RIGHT MLG EMERGENCY EXTENSION UPLOCK CRANK LINK ROLLER BEARING FROZEN. REMOVED AND REPLACED UPLOCK CRANK LINK ROLLER BEARING IAW B727 MM 32-32-51. OPS CHECK GOOD. (M)SDR AU970225Pin · incorrect fit(AUS) LANDING GEAR EMERGENCY GEAR EXTENSION SHUTOFF VALVE HANDLE LOCK PIN INCORRECTLY FITTED - EMERGENCY GEAR EXTENSION HANDLE WAS PUSHED FORWARD TOWARDS THE EMERGENCY POSITION PREVENTING CORRECT OPERATION OF THE LANDING GEAR RETRACTION SYSTEM - PERSONNEL ERROSDR 97ZZZX4188Link Assy · rod end failedP/N 452334 BEARING. ROD END WHICH IS PART OF LINK ASSY, NLG DOWNLOCK, FAILED BY BENDING AND PARTING IN THREADED PORTION. NLG COLLAPSED ON LANDING ROLL-OUT. WHEN BENT, NLG DRAG BRACE WILL NOT BE OVERCENTER, BUT A DOWN AND LOCKED GREEN LIGHT WILL BE ON. THISSDR 97ZZZX2031Switch · wire brokenNOSE GEAR DID NOT FULLY EXTEND AND LOCK DUE TO A NOSE GEAR END OF TRAVEL LIMIT SWITCH. THE SWITCH IS MOUNTED ON THE FORWARD LEG OF THE OVER-CENTER LINK AND DOWNLOCK. THE WIRE IS TY-WRAPPED TO THE LINK. THE SWITCH HAD 1736.08 HOURS TOTAL TIME. THE SWITCH SHSDR 97UAL900204Sequence Valve · failedAIRCRAFT RETURNED TO FIELD DUE TO LANDING GEAR DOOR WARNING LIGHT. *S/D* REPLACED LWLG UPLOCK SEQUENCE VALVE, SWUNG GEAR SEVERAL TIMES. ACCOMPLISHED VERIFICATION FLIGHT PERFORMING SEVERAL GEAR EXTENSIONS/RETRACTIONS, OPERATION CHECKS NORMAL.SDR 97FDEA00155Lock Actuator · damagedNOSE GEAR FAILED TO RETRACT WHEN GEAR HANDLE WAS PLACED UP. FOLLOWED RED TAB PROCEDURES AND RETURNED TO BASE. FOUND NOSE GEAR LOCK ACTUATOR DAMAGED. REMOVED AND REPLACED NOSE GEAR LOCK ACTUATOR PER MAINTENANCE MANUAL 32-33-11. OPERATIONAL CHECK OK. OK FORSDR 97ZZZM482Pin · shearedMAINTENANCE INSPECTION REVEALED THE LEFT MAIN LANDING GEAR RETRACT CYLINDER PIN WAS SHEARED AND EXHIBITED SIGNS OF CORROSION. REPLACED PIN ASSEMBLY AND SEALED PER S/B 32-102. AIRCRAFT RETURNED TO SERVICE. (M)SDR DL76L970458Drag Brace Act · failedAFTER TAKEOFF DURING GEAR RETRACTION, HAD GEAR DISAGREE WARNING AND GEAR DOORS CAUTION ON EICAS. UPON LOWERING GEAR FOR APPROACH, INITIALLY HAD DOWN AND 3 GREEN INDICATIONS THEN WENT TO RT MAIN UNSAFE INDICATION (NO GREEN) AND RT SIDE BRACE EICAS CAUTION WITHSDR WTAA970041Actuator · out of adjustLAX - LANDING GEAR WILL NOT LOCK IN THE UP POSITION. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. AIRCRAFT FERRIED TO FAT FOR REPAIRS. MAINTENANCE ADJUSTED LEFT MAIN LANDING GEAR RETRACTION ACTUATOR. LANDING GEAR EXTENTION AND RETRACTION. OPERATIONAL CHSDR PLGA970308BRetract Mech · iced upBGR - FLT 4411 - AFTER TAKEOFF WHEN GEAR WAS SELECTED UP, THE GEAR RETRACTED, BUT FAILED TO LOCK UP. GEAR WAS SELECTED DOWN AND RECEIVED THREE GREEN DOWN AND LOCKED LIGHTS. AIRCRAFT RETURNED TO BGR AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND A LARGE AMOUSDR PLGA970308AReturn Line · chafedALB - FLT 4363 - ON FINAL, WHEN CREW SELECTED GEAR DOWN THE GREEN DOWN AND LOCKED LIGHTS ILLUMINATED FOR THE LEFT MAIN AND NOSE GEAR, BUT THE RIGHT MAIN GEAR GREEN LIGHT REMAINED OUT WITH THE INTRANSIT LIGHT ON. THIS WAS FOLLOWED BY A HYD SYS FAILURE WARNING.SDR USAABB97029Sequence Valve · failedMCO - FL 1049 - ON APPROACH TO MCO, CREW RECEIVED THE EICAS MESSAGES 'GEAR DISAGREE' AND 'GEAR DOORS.' THE NOSE GEAR GREEN LIGHT DID NOT ILLUMINATE. CREW PERFORMED MISSED APPROACH AND RECYCLED THE GEAR. FLIGHT THEN LANDED WITHOUT FURTHER INCIDENT. MAINTENASDR IXXA9700028Retract Pin · crackedAFTER TAKEOFF AND GEAR RETRACTION, THE GEAR UNSAFE AND DOORS WARNING LIGHTS REMAINED ILLUMINATED AND WOULD NOT EXTINGUISH AFTER CYCLING. FLIGHT CONTINUED TO TOL FOR AN UNEVENTFUL LANDING. GROUND INSPECTION FOUND THE LEFT MAIN LANDING GEAR RETRACT PIN BROKEN.SDR AU970481Hydraulic Fuse · faulty(AUS) RH MAIN LANDING GEAR TRUCK POSITIONER `UP' LINE HYDRAULIC FUSE FAULTYSDR 97UAL900205Sequence Valve · malfunctionedAFTER TAKEOFF, LEFT BODY GEAR DOOR AND LEFT WING DOOR OPEN LIGHTS ILLUMINATED. AIRCRAFT RETURNED TO FIELD. *S/D* REPLACED LBLG UPLOCK SEQUENCE VALVE, LEFT BODY GEAR DOOR SEQUENCE VALVE, AND LWG DOOR SEQUENCE VALVE. GEAR SWUNG SEVERAL TIMES, OPERATION CHECKSDR USAABB97028Control Valve · failedPIT - FL 28 - ON APPROACH, AFTER GEAR SELECTED DOWN, CREW RECEIVED THE EICAS MESSAGES 'GEAR DISAGREE' AND 'GEAR DOOR'. CREW ACCOMPLISHED ALTERNATE LANDING GEAR EXTENSION PROCEDURE. FLIGHT LANDED WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED THE MAIN LANDINGSDR 97FDEA00139Retract Mech · lack of lubeON GEAR EXTENSION, RED NOSE GEAR LIGHT DID NOT ILLUMINATE NORM. GRN LIGHT CAME ON OK, IT THEN FLICKERED AND THE WARN HORN STARTED TO SOUND INTERMITTENTLY. GRN LIGHT THEN WENT OUT AND WOULD NOT TEST, THEN TESTED OK. THROTTLE RESTARTED AND UNSAFE INDICATION WSDR HALA9718Uplatch Spring · brokenFLT 112 - ITO - LOUD BANG WHEN SELECTING GEAR DOWN. FURTHER INSPECTION FOUND RIGHT UPLATCH SPRING IN NOSE WHEEL BROKEN. REPLACED RIGHT UPLATCH SPRING. SECURITY CHECK GOOD. (M)SDR EIAA970076Torque Link · lack of lubePDX - ON DEPARTURE FROM KPDX, UNABLE TO RAISE LANDING GEAR. NOSE WHEEL WAS STEERABLE AND STILL IN GROUND MODE GCR. FOUND NOSE GEAR TORQUE LINKS VERY STIFF AND DRY, CAUSING BINDING WHEN THE STRUT EXTENTION WAS VARIED WITH NITROGEN. LUBED TORQUE LINKS PER MM.SDR CA970318024Switch · loose wires(CAN) ON GEAR SELECTION AFTER TAKEOFF VIBRATION FELT AND RIGHT LANDING GEAR GREEN LIGHT STAYED ON WHILE OTHER LIGHTS WERE NORMAL. GEAR RECYCLED TWICE, VIBRATION DISAPPEARED BUT GREEN LIGHT REMAINED ON. TROUBLESHOOTING OF GEAR REVEALED THREE WIRES IN CONNECTOR SDR 97ZZZX1185Hook Assy · malfunctionPILOT REPORTED THAT AFTER GEAR RETRACTION ON TAKEOFF, THE GEAR UNLOCK RED LIGHT AND THE HYDRAULIC PRESSURE MASTER CAUTION LIGHT REMAINED ILLUMINATED. ACFT LANDED WITHOUT INCIDENT. AIRCRAFT PLACED ON JACKS AND GEAR OPERATIONAL CHECK ACCOMPLISHED. DISCREPANCYSDR SWIA97867Sequence Valve · failedON TAKEOFF WHEN GEAR SELECTED UP, LEFT MAIN WOULD NOT COME UP. RETURNED TO SAN. LUBED LEFT SEQUENCE VALVE. SWUNG GEAR SEVERAL TIMES. OPS CHECKS GOOD.SDR 97ZZZX1840Breaker · failedLANDING GEAR FAILED TO RETRACT DUE TO INOPERATIVE CIRCUIT BREAKER.SDR 97ZZZX1241Push Pull Rod · bentAIRCRAFT WAS ON A PART 91 CROSS-COUNTRY FLIGHT. ON RETURN, THE NOSE GEAR FAILED TO EXTEND. THE AIRCRAFT WAS LANDED AND THE NOSE GEAR COLLAPSED DAMAGING BOTH PROPELLERS, THE NOSE GEAR DOORS, THE NOSE CONE, AND THE PITOT TUBE. THE AIRCRAFT WAS RAISED UP ON THSDR 9706769852Retract Mech · malfunctionedAFTER TAKEOFF, NOSE GEAR WOULD NOT RETRACT AND RED UNSAFE LIGHT REMAINED ILLUMINATED. FOLLOWED COCKPIT OPERATING MANUAL PROCEDURE AND RECYCLED GEAR. UNSAFE LIGHT REMAINED ILLUMINATED. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE SERVICE GSDR SCNA97054Gear Pins · not removedLANDING GEAR WOULD NOT RETRACT ON CLIMB-OUT. RETURNED TO MSP, FOUND GEAR PINS INSTALLED. REMOVED GEAR PINS.SDR RAIA970231Downlock Switch · failedSTL - FLT 7366 - RIGHT MAIN GEAR DOWN INDICATION STAYED ON WHEN GEAR RETRACTED, CYCLED GEAR LIGHT STAYS ON. MAINTENANCE REPLACED RIGHT MAIN GEAR DOWN LOCK SWITCH. (M)SDR CA970421001Motor · intermittent(CAN) CREW NOTED THE GEAR WOULD NOT FULLY RETRACT. GEAR SWINGS BY MAINTENANCE FOUND THE MOTOR RAN SLOWLY. INSPECTION OF THE MOTOR FOUND ONE OF THE BRUSHES STUCK IN THE HOLDER CAUSING SLOW AND INTERMITTENT OPERATION.SDR 97ZZZX1149Drag Brace · brokenAD 96-10-14 APPLIES TO THIS SUBJECT DRAG BRACE. AIRCRAFT TOOK OFF ON GUSTY/WINDY DAY, GEAR WAS SEEN TO BEGIN TO RETRACT, RT MAIN DROPPED BACK OUT. FWD SIDE BRACE IN AREA SUBJECT TO PENETRANT INSP. PART WAS INSPECTED 84.0 HOURS EARLIER. SUBMITTER RECOMMENDEDSDR 97ZZZX1057Retract Rod · failedDURING ANNUAL INSPECTION PERFORMING EMERGENCY EXTENSION, LOUD BANG HEARD. UPON FURTHER INVESTIGATION, FOUND LEFT RETRACT ROD ASSY CRACKED ABOUT 8 INCHES OUTBOARD OF ACTUATOR. ROD ASSY COMPLETELY FAILED ON NEXT RETRACTION NOT ALLOWING LEFT GEAR TO EXTEND OR RSDR AALA970426Solenoid · defectiveTUL - FLT 271 - AFTER TAKEOFF TUL, LANDING GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO TUL AND LANDED WITHOUT INCIDENT. REPLACED LANDING GEAR CONTROL LEVER LOCK SOLENOID. ACCOMPLISHED LANDING GEAR RETRACTION CHECK WITH NO DEFECTS FOUND. SYSTEM GROUND CHECSDR 97ZZZX1103Fork Bolt · brokenDURING APPROACH TO LAND, PILOT SELECTED GEAR DOWN. NOSE GEAR SHOWED UNSAFE. A FLY-BY WAS DONE AND PERSONNEL ON THE GROUND VERIFIED THE NOSE LANDING GEAR WAS TRAILING AT 45 DEGREES. THE AIRCRAFT RETURNED TO HOME BASE AND A NOSE GEAR UP LANDING WAS MADE. INSSDR SWIA97865Uplock Switch · failedRIGHT MAIN GEAR WOULD NOT COME UP. SYSTEM-A TRANSIT LIGHT STAYED ILLUMINATED. CYCLED GEAR WITH NO EFFECT. RETURNED TO SMF. REPLACED RIGHT MAIN LANDING GEAR UPLOCK PROXIMITY SWITCH WITH A SERVICEABLE UNIT AND SWUNG GEAR NUMEROUS TIMES, OPS CHECKS GOOD.SDR ARWA9702006Bolt · lack of lubeAFTER T/O AND GEAR RETRACTED, DOOR NOT LATCH LIGHT REMAINED ON. RAN CHECKLIST, NO HELP. RETURNED TO MIA. FOUND BROKEN WIRE AT LEFT LANDING GEAR DOOR SW AND FROZEN BOLT AT RT MAIN GEAR LATCH ASSY. REPAIRED WIRE IAW 20-50-0 AND CLEAN AND LUBRICATED BOLT IAW SDR 97ZZZX1154Tube Assy · brokenTUBE MAY BECOME BENT DUE TO HIGH AIR SPEED WHEN GEAR IS EXTENDED. AFTER INITIAL BENDING, TUBE WILL FLEX WITH EACH CYCLE EVENTUALLY BREAKING. THIS TUBE IS HARD TO INSPECT DUE TO THE LOCATION IN THE A/C. SUBMITTER SUGGESTED TUBE BE REMOVED AND INSPECTED EACH
Back to JASC 3230