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.

SDR C2XA99IA372Retract Mech · malfunctionedIAH - FLT 3718 - THE CREW REPORTED THE LANDING GEAR WOULD NOT EXTEND WTHOUT THE USE OF THE ELECTRICAL OVERRIDE SWITCH. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE PERFORMED AN OPERATIONAL CHECK OF THE LANDING GEAR SYSTEM IAW EMB120 MM 32-30-0Jul 19, 1999 · N27716 · Emb EMB120RTSDR 99FDEA00266Trim Cylinder · malfunctioned99-162 - GEAR HANDLE WOULD NOT RAISE AFT T/O. RED TAB RAN BUT STILL DID NOT WORK. GOOD HYDS ON ALL 3 SYS. NO PINS FND. BLED/RESET TRIM CYLINDER INTERLOCK FUSE PRECAUTIONARY PER DC-10 MM 32-31-06-2. A/C OK FOR RETURN TO SERVICE.Jul 18, 1999 · N308FE · Doug DC1030FSDR CA990812034Control Unit · failed(CAN) GEAR WOULD NOT EXTEND, EMERGENCY EXTENSION USED. LGCIU NR 1 SWAPPED, BRAKE/STEER UNIT, GEAR SELECTOR LEVER, GEAR SELECTOR VALVE, MANIFOLD VALVE, GEAR CONTROL UNIT, AND INTERFACE UNIT REPLACED. OPERATIONAL CHECKS COMPLETED.Jul 17, 1999 · Airbus A320211SDR JBXA9900091Priorty Valve · inoperativeGEAR DISAGREE, 2 NOSE OPEN DOOR MESSAGES ON GEAR RETRACTION. REMOVED AND REPLACED HYDRAULIC PRIORTY VALVE IAW CL-65 MM 32-33-15. PERFORMED FUNCTIONAL CHECK ON PRIORTY VALVE IAW CL-65 MM 32-30-00. OPERATIONAL CHECK GOOD.Jul 13, 1999 · N578ML · Cndair CL6002B19SDR CA990804025Line · leaking(CAN) BOTH NLG DRAG STRUT FLEX LINES FOUND WEEPING FLUID.Jul 13, 1999 · Dhav DHC8102SDR CA990804020Pseu · failed(CAN) ON APPROACH WITH GEAR DOWN ,THE NLG DOOR AMBER, UNSAFE LIGHT AND HORN MOMENTARILY SOUNDED. PSEU REPLACED.Jul 12, 1999 · Dhav DHC8102SDR AU990680Hose · failed(AUS) RIGHT MAIN LANDING GEAR UPLOCK ACTUATOR HYDRAULIC HOSE FAILED ADJACENT TO THE END FITTING. LOSS OF SYSTEM 'A' HYDRAULIC FLUID. DRY RUNNING OF ELECTRICAL AND ENGINE DRIVEN HYDRAULIC PUMPS DAMAGED THE PUMPS.Jul 12, 1999 · Boeing 737377SDR MALA976521Swivel · leakageON TAKEOFF HYD CAUTION CAME ON, MAIN ACCUMULATOR WAS 0 AND QUANTITY WAS IN YELLOW. GEAR PUMP WAS TURNED OFF, GEAR WAS IN RETRACTION MODE AND ON LEFT MAIN UNLOCKED FROM THE DOWN POSITION. QRH CHECK LIST WAS USED AND LEFT MAIN WAS HAND PUMPED DOWN, 0 FLAP LANJul 11, 1999 · N112XJ · Saab SF340ASDR AALA991018Solenoid · defectiveDFW - FLT 1068 - EN ROUTE DFW/CLT AFTER TAKEOFF, UNABLE TO RAISE LANDING GEAR HANDLE. AIR INTERRUPTED, RETURNED DFW, AND LANDED WITHOUT INCIDENT. REPLACED ANTI-RETRACT SOLENOID. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)Jul 11, 1999 · N1471G · Fokker F28MK0100SDR AU990765Handle · broken(AUS) LANDING GEAR EMERGENCY HAND PUMP LEVER BROKEN. CAUSED BY OVER EXTENSION OF LEVER DURING OPERATION OF THE PUMP.Jul 10, 1999 · Piper PA31SDR AU990764Downlock · contaminated(AUS) LEFT MAIN LANDING GEAR DOWNLOCK HOOK CONTAMINATED WITH MUD AND DIRT PREVENTING ACTUATION OF MICROSWITCH.Jul 10, 1999 · Piper PA31SDR AALA991017Retract Mech · lack of lubeDFW - FLT 496 - EN ROUTE ELP/DFW DURING GEAR RETRACTION, CREW HEARD A GRINDING NOISE AND RED NOSE GEAR LIGHT STAYED ILLUMINATED FOR APPROXIMATELY A MINUTE, THEN CYCLED OFF AND ON SEVERAL TIMES BEFORE EXTINGUISHING. CONTINUED ON TO DFW. GEAR EXTENDED NORMALLYJul 10, 1999 · N554AA · Doug DC982SDR SWIA971515Pin · not removedGEAR DISAGREE ON DEPARTURE FROM SLC. BURNED FUEL DOWN TO LANDING WEIGHT AND RETURNED TO SLC. FOUND GEAR PIN IN NOSE GEAR. REMOVED PIN.Jul 9, 1999 · N416SW · Cndair CL6002B19SDR 99ZZZX3018Restrictor Valve · brokeBODY IS BROKEN AT PACKING GROOVE. FATIGUE. SUBMITTER SUGGESTED ADDING A REQUIREMENT FOR DYE PENETRANT INSPECTION.Jul 6, 1999 · Boeing 737*SDR 99ZZZX2946Gear Box · brokenDURING MAINTENANCE INSPECTION, FOUND TOP AFT HOUSING FLANGE BROKEN ON RIGHT HAND MAIN LANDING GEAR THRUST GEAR BOX. FAA INSP NOTE: THIS PART HAS A S/B FOR LOOSE MOUNTING BOLTS. A VISUAL INSPECTION CONDUCTED BY FAA SHOWS THAT THIS FLANGE HAD BEEN CRACKED FORJul 6, 1999 · N3UN · Mtsbsi MU2B36ASDR CA990715010Downlock · out of adjust(CAN) SHORTLY AFTER TAKEOFF WHEN THE GEAR SELECTED UP, THE NLG WOULD NOT RETRACT. AIRCRAFT RETURNED TO BLOCKS. THE LINKAGE FOR THE NLG DOWNLOCK WAS IMPROPERLY INSTALLED. HAD BEEN REMOVED FOR LUBRICATION. PROPERLY INSTALLED AND GEAR SWINGS SERVICEABLE.Jul 5, 1999 · Fokker F28MK1000SDR C2XA99CL053Actuator · out of adjustROC-CLE - FLT 3117 - THE CREW REPORTED A RIGHT MLG GEAR DISAGREEMENT INDICATION LIGH TDURING FLIGHT, THE CREW CYCLED THE GEAR AND THE LIGHT EXTINGUISHED, THE AIRCRAFT CONTINUED ON TO CLEVELAND WITHOUT FURTHER INCIDENT. MAINTENANCE ADJUSTED THE RIGHT MLG ACTUAJul 5, 1999 · N16723 · Emb EMB120RTSDR COMA9960346Bracket · bentLANDING GEAR DISAGREE MESSAGE. NLG DID NOT RETRACT. REPLACED THE NLG CENTERING PROX SWITCH TARGET BRACKET.Jul 4, 1999 · N931CA · Cndair CL6002B19SDR AALA990988Cylinder · defectiveMIA - FLT 0463 - EN ROUTE PBI/DFW, RIGHT MAIN LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. RIGHT GEAR LIGHT ILLUMINATED WITH YELLOW GEAR DOOR OPEN LIGHT. AIR INTERRUPTED AND LANDED MIA WITHOUT INCIDENT. REPLACED RT MLG BUNGEE CYLINDER PER MM PROCEDURE. ACJul 4, 1999 · N497AA · Doug DC982SDR 99ZZZX2635Pivot Shaft · brokenMLG ACTUATING STRUT SUPPORT. THIS PIVOT SHAFT IS HELD IN PLACE BY 2 COTTER KEYS AT EACH END. A NAVION B OWNER STATED THE LT MAIN GEAR WOULD NOT RETRACT. UPON PLACING ACFT ON JACKS AND USING AUX HAND PUMP, A GRINDING SOUND WAS HEARD FROM LT HAND GEAR WELL. Jul 4, 1999 · Tmpson NAVIONBSDR CA990804024Line · leaking(CAN) DURING A WALK-A-ROUND, FLUID WAS NOTED COMING FROM THE NOSEWHEEL AREA. AFTER RUNNING THE A/C, A PINHOLE WAS FOUND IN THE NLG DOWN LINE IN THE OXYGEN BOTTLE AREA.Jul 2, 1999 · Dhav DHC8102SDR 9902379852Control Box · failedDURING CLIMB-OUT FROM VPS, NOSE LANDING GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR RETRACTION. FLIGHT WAS CONTINUED TO DESTINATION (MEM) WITH GEAR DOWN AND LANDED WITHOUT INCIDENT. CREW DECLARED AN EMERGENCY WITH ATC AS A PRECAUTION. MAINTENANCE REPLACED PROXJul 2, 1999 · N761NC · Doug DC951SDR SWAA991079Sensor · out of adjustAIR TURBACK, LANDING GEAR WOULD NOT RETRACT DURING TAKEOFF. HANDLE WOULD NOT MOVE ABOVE OFF POSITION. ADJUSTED MAIN GEAR SAFETY SENSOR TELEFLEX CABLE AND PERFORMED GEAR SWING CKECK PER MM.Jun 27, 1999 · N387SW · Boeing 7373H4SDR AT9900472Solenoid · defectiveGEAR HANDLE WILL NOT RETRACT PAST OFF POSITION. LEVER LATCH CIRCUIT BREAKER REPEATED POPPED WHEN GEAR LEVER WAS CYCLED. DUMPED FUEL, RETURNED TO ATLANTA. REPLACED LEVER LATCH SOLENOID, OPS CHECKED NORMAL IAW MM 32-31-31.Jun 27, 1999 · N467AT · Boeing 7372T4SDR 9902349928Bolt · looseNOSE LANDING GEAR WOULD NOT EXTEND ON LANDING INTO MSP. CREW UTILIZED EMERGENCY GEAR EXTENSION PROCEDURES AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE RETIGHTENED BOLT IN OVERCENTER ARM. OPERATIONAL CHECK NORMAL ON GEAR SWING. AIRCRAFT RETURNED TO SERJun 27, 1999 · N8921E · Doug DC931SDR SWAA991080Sensor · malfunctionedAIR TURNBACK, LANDING GEAR WOULD NOT RETRACT DURING TAKEOFF. HANDLE WOULD NOT MOVE ABOVE OFF POSITON. ADJUSTED MAIN GEAR SAFETY SENSOR AND PERFORMED GEAR SWING CHECK PER MM.Jun 26, 1999 · N319SW · Boeing 7373H4SDR COMA9960317Hyd Pump · malfunctionedLANDING GEAR GLOW TO EXTEND, GEAR DISAGREE WARNING. REPLACED THE 3A HYDRAULIC PUMP.Jun 26, 1999 · N716CA · Cndair CL6002B19SDR 9902339928Spring · brokenDURING APPROACH INTO MSP, NOSE LANDING GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR EXTENSION. CREW UTILIZED EMERGENCY GEAR EXTENSION PROCEDURES AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED NOSE GEAR BUNGEE SPRINGS. OPERATIONAL CHECK NORMAL ON GEAJun 25, 1999 · N8921E · Doug DC931SDR RRXA991153Pin · failedON GEAR RETRACTION LOUD BANG FROM REAR OF AIRCRAFT DOORS AND LANDING GEAR UNSAFE LIGHTS ON IN FRONT OF COCKPIT, FE LEFT GEAR DOOR LIGHT ON. AIRCRAFT FERRIED TO KMQY FOR REPAIR. INSTALLED NEW BOSS PIN PER S/B 32-102R5-6/12/72, EWW MA AI3210-01:03 AND 8110-3,Jun 22, 1999 · N500MH · Doug DC871FSDR CA990728003Tube · leaking(CAN) HYDRAULIC LEAK IN NOSE GEAR BAY AREA RESULTED IN REPLACEMENT OF GEAR DOWN LINE. CRACKED APPROX\IMATELY ONE INCH LONG ON THE OUTSIDE RADIUS OF A FACTORY BEND.Jun 22, 1999 · Dhav DHC8311SDR 99ZZZX2574Trunnion · crackedDURING ANNUAL INSPECTION, SUBMITTER FOUND NUMEROUS CRACKS (7) IN MULTIPLE LOCATIONS ON NOSE GEAR TRUNNION. UPON FURTHER DISASSEMBLY OF NOSE GEAR TRUNNION, MORE CRACKS WERE FOUND INSIDE TRUNNION. THESE CRACKS COULD NOT BE SEEN UNLESS NOSE GEAR WAS DISASSEMBLEJun 22, 1999 · N2148B · Piper PA32RT300TSDR 99ZZZX2480Clevis · failedTHE LEFT MAIN LANDING GEAR INBOARD RETRACT CYLINDER CLEVIS BROKE CAUSING THE LEFT MAIN GEAR TO COLLAPSE ON LANDING. THE LEFT GEAR INBOARD EXTENSION/RETRACTION ACTUATOR IS CONNECTED TO THIS RETRACT CYLINDER CLEVIS. THIS IS THE PHYSICAL CONNECTION BETWEEN THE Jun 17, 1999 · N840V · Gulstm 690CSDR SWAA991031Solenoid · malfunctionedLANDING GEAR WOULD NOT RETRACT NORMALLY AFTER TAKEOFF FROM SMF. LANDING GEAR OVERRIDE TRIGGER WAS UTILIZED. AFTER DETERMINING THERE WAS NOT AN AIR/GROUND SENSOR PROBLEM, GEAR RETRACTED NORMALLY. REMOVED AND REPLACED LANDING GEAR SAFETY SOLENOID PER MM.Jun 16, 1999 · N523SW · Boeing 7375H4SDR AMWA005384Circuit Breaker · trippedON APPROACH INTO LIT, FLIGHT 5687, WHEN GEAR SELECTED DOWN IT WOULD NOT EXTEND. GEAR WAS MANUALLY EXTENDED AND THE CREW LANDED WITHOUT INCIDENT. LIT MAINTENANCE FOUND THE LANDING GEAR MOTOR C/B POPPED. RESET AND CYCLED THE GEAR SEVERAL TIMES. ALSO, CHECKEDJun 16, 1999 · N98YV · Beech 1900DSDR 99ZZZX2536Bearing · wornBALL END BEARING WORN CAUSING GEAR LOCK ON LEFT NOSE TO LOCK INTERMITTENTLY. UPON LEFT TURN, LEFT NOSE GEAR EXTENDED OUT OF UP AND LOCKED LOCATION. REPLACED BALL END AND ADJUSTED. PERFORMED RETRACT TEST, RESULTS GOOD. UPLOCK INDICATOR AND GOOD VISUAL ON LJun 15, 1999 · N68086 · Dhav DHC3SDR VTZA990160Switch · failedIAD/CLE - FLT 7451 - DURING TAKEOFF, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED WOW SWITCH. MAINTENANCE PERFORMED GEAR SWINGS AND OPSJun 13, 1999 · N475UE · Bag JETSTM3201SDR VTZA990155Switch · out of adjustIAD/EWR - FLT 7538 - DURING CLIMB, AIRCRAFT MADE AN UNSCHEDULED LANDING AT IAD DUE LANDING GEAR NOT RETRACTING AFTER TAKEOFF. MAINTENANCE ADJUSTED AOG SWITCH AND PERFORMED GEAR SWINGS, OPS CHECK GOOD. AIRCRAFT RELEASED AND APPROVED FOR RETURN TO SERVICE. (Jun 13, 1999 · N312UE · Jetair JETSTM4101SDR COMA9960285Control Panel · malfunctionedGEAR DISAGREE WARNING WHEN LANDING GEAR SELECTED DOWN NLG INDICATED UNSAFE. COULD NOT DUPLICATE DISCREPANCY. REPLACED THE LANDING GEAR CONTROL PANEL FOR TROUBLESHOOTING.Jun 12, 1999 · N917CA · Cndair CL6002B19SDR 99ZZZX2540Valve · failedAFTER GEAR WAS RAISED, ON THE NEXT GEAR EXTENSION, THE VALVE MALFUNCTIONED AND GEAR DID NOT EXTEND. REFERENCE ACCIDENT NR NYC99LA139. PART S/N 12-6-84-407-14A 3126-1.Jun 12, 1999 · N33PG · Gulstm 500SSDR 2000ZZZX175Torsion Link · brokenSVO/ALA - FLT UN 205 - TRX FLIGHT CREW HAS REPORTED THE OCCURRENCE OF MLG SHIMMY VIBRATION DURING LANDING AT ALMA-ATA AIRPORT. DURING GROUND VISUAL INSP, FOUND FOLLOWING DAMAGES TO LEFT MAIN LANDING GEAR COMPONENTS: UPPER TORSION LINK ATTACH PIN, FRACTURED. Jun 12, 1999 · N101UN · Boeing 7377K9SDR VTZA990159Switch · dirtyIAD/ORF - FLT 7229 - DURING TAKEOFF, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO GEAR WOULD NOT RETRACT, AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND CLEANED WOW MICROSWITCHES AND SERVICED NOSE STRUT. MAINTENANCE PERFORMED GEJun 11, 1999 · N475UE · Bag JETSTM3201SDR AU990885Bearing · seized(AUS) NOSE LANDING GEAR MANUAL EXTENSION SYSTEM LEFT AND RIGHT TORQUE TUBE SUPPORT BEARINGS SEIZED. SUBMITTER SUSPECTED CAUSED BY LACK OF LUBRICATION CAUSED BY WASHING.Jun 11, 1999 · Boeing 737377SDR AU990675Downlock · lack of lube(AUS) RIGHT MAIN LANDING GEAR DOWNLOCK STICKING DUE TO LACK OF LUBRICATION. CAUSED BY OPERATING IN HEAVY RAIN.Jun 11, 1999 · Piper PA31350SDR 99ZZZX2347Circuit Breaker · failedPILOT REPORTED THE LANDING GEAR HANDLE WOULD NOT RETURN TO NEUTRAL POSITION AFTER TAKEOFF. THE LANDING GEAR WAS EXTENDED AND ALL THREE GEAR DOWN INDICATORS CAME ON, BUT THE GEAR HANDLE WOULD SITLL NOT RETURN TO NEUTRAL POSITION. A PRECAUTIONARY LANDING WAS MJun 11, 1999 · N44AC · Piper PA31350SDR CA990707010Line · leaking(CAN) NLG DRAG STRUT ACTUATOR RETRACT FLEX LINE FAILED IN THE AREA WHERE THE LINE ENTERS THE SWAGED FITTING AT THE ACTUATOR END. IN-FLIGHT LOSS OF NR 2 SYSTEM.Jun 10, 1999 · Dhav DHC8311SDR C2XA99CL045Retract Mech · malfunctionedDTW - THE LEFT MAIN LANDING GEAR WOULD NOT EXTEND, CREW USED THE MANUAL GEAR EXTENSION SYSTEM TO GET THE GEAR DOWN AND LOCKED. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. THE AIRCRAFT WAS FERRY FLIGHTED TO CLEVELAND FOR REPAIRS. MAINTENANCE PERFORMED SEVEJun 9, 1999 · N16729 · Emb EMB120RTSDR DL767991297Hose · failedRIGHT MAIN GEAR TRUCK TILT HYD HOSE BURST. A/C DECLARED EMERGENCY AND LANDED WITHOUT INCIDENT. FOUND HYDRAULIC HOSE TO TRUCK TILT ACTUATOR BURST. REPLACED HOSE. SERVICED SYSTEM, LEAK CHECKS NORMAL.Jun 8, 1999 · N113DA · Boeing 767232SDR AALA990839Link · defectiveBOS - FLT 1197 - AFTER TAKEOFF EN ROUTE PVD-ORD, UNABLE TO RETRACT NOSE LANDING GEAR. AIRCRAFT DIVERTED AND LANDED BOS WITHOUT INCIDENT. REPLACED LOWER TORQUE LINK AND HOLLOW PIN FOR LOWER TORQUE LINK. ACCOMPLISHED GEAR SWING. SYSTEM GROUND CHECKED NORMAL Jun 8, 1999 · N482AA · Doug DC982SDR 99ZZZX2543Clevis Bolt · bentTHE HOSE GEAR FAILED DUE TO EXCESS PLAY IN OVERCENTER LINKAGE. THE EXCESS PLAY WAS FROM A BENT CLEVIS BOLT WHICH INSTALLS THROUGH THE DOWNLOCK LINK ASSY AND THE OVERCENTER LINKAGE. SUBMITTER STATED THE CLEVIS BOLT WAS MOST LIKELY BENT DUE TO A HARD LANDING WJun 8, 1999 · N1519T · Piper PA34200SDR 99ZZZX2403Rod · failedRIGHT GEAR COLLAPSED ON LANDING GOING INTO DES MOINES (DSM). RETRACT/EXTEND ROD END BROKE LETTING GEAR COLLAPSE.Jun 8, 1999 · N37575 · Cessna 310R
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