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 AU000951Hydraulic System · contaminated(AUS) LANDING GEAR HYDRAULIC SYSTEM CONTAMINATED WITH O RING AND TEFLON SEAL MATERIAL. CONTROL VALVE CONTAMINATED. LEFT DOWNLOCK SWITCH FAILED. NOSE LANDING GEAR ACTUATOR FAULTY. (X)SDR CA001024020Priority Valve · failed(CAN) NOSE GEAR INDICATOR SLOW TO SEQUENCE WHEN GEAR PLACED TO DOWN POSITION. GEAR DISAGREE & NOSE DOOR OPEN WARNING MESSAGES.MAINTENANCE REPLACED THE NOSE LANDING GEAR PRIORITY VALVE (P/N: 4622) AND ELECTICAL HYDRAULIC PUMP REPLACED (P/N: 848847).SDR 20010111SG032Motor · inoperativeWHEN ATTEMPTING TO EXTEND THE LANDING GEAR THE CIRCUIT BREAKERPOPPED. THE LANDING GEAR WAS MANUALLY EXTENDED. FOUND LANDING GEAR MOTOR SHORTED. REPLACED THE MOTOR. LANDING GEAR RETRACTION/EXTENSION TEST WAS GOOD. (M)SDR CA001018017Spring · broken(CAN) PILOT COMPLAINED OF NO GEAR DOWN AND LOCK INDICATION - RT MAIN GEAR. UPON INSPECTION FOUND LOCK SPRING BROKEN AND HALF MISSING, PLUS COVER TORN AWAY. LOCKING MECHANISM FOUND NON FUNCTIONAL DUE TO STRAIN OF BOLT BECOMING BENT WHEN FORWARD LOCK CONTACTED GSDR IXXA0000033Rod · out of adjEN ROUTE FROM TOL TO DFW, THE LANDING GEAR DOOR NOT LATCH LIGHT ILLUMINATED AFTER THE LANDING GEAR WAS RETRACTED. THE FLIGHT CREW CYCLED THE LANDING GEAR AND PERFORMED AN UNSUCCESSFUL UPLATCH CHECK. THE LANDING GEAR HANDLE WAS PLACED IN THE UP POSITION AND TSDR 20010111SG030Bearing · wornON FAE FLT NR 506 - SVMG-KMIA, DURING APPROACH AND 11 MILES FROM LANDING, DURNIG LANDING GEAR EXTENSION, GEAR WAS SLOW TO RESPOND. THERE WAS NO INDICATION OF GEARS DOWN AND LOCKED. GEARS WERE MANUALLY LOWERED. ON GROUND MAINTENANCE, FOUND THE UPPER AND LOWESDR 20001229AP015Circuit Board · failedLANDING GEAR WOULD NOT EXTEND AND HAD TO BE MANUALLY EXTENDED. FOUND LOOSE PIN ON THE LANDING GEAR PRITED CIRCUIT BOARD A316. RESECURED PIN, LANDING GEAR EXTENSION, RETRACTION TEST GOOD. (M)SDR 20001229AP014Motor · inoperativeTHE CREW HAD TO PUMP THE LANDING GEAR TO EXTEND. REPLACED THE LANDING GEAR HYDRAULIC POWER PACK MOTOR. RETRACTION/EXTENSION CHECK GOOD. (M)SDR 20001229AP012Connector · unsecureLANDING GEAR WOULD NOT EXTEND UNTIL THE 4TH ATTEMPT. RESECURED ELECTRICAL CONNECTOR TO PCB A316. OPERATIONAL CHECK GOOD. (M)SDR COMA0060772Valve · malfunctionedLANDING GEAR DISAGREE MESSAGE. NLG SLOW TO EXTEND. REPLACED THE NLG PRIORITY VALVE.SDR ARWA000902Pin · installedNOSE GEAR FAILED TO RETRACT AFTER TAKEOFF AT SKBO. REMOVED NOSE GEAR PIN.SDR 20001016SH002Actuator · malfunctionedGEAR DOWN DISAGREE ON SELECTING GEAR DOWN. GEAR DISAGREE LT-RT MAIN GEAR, NOSE DOOR. PERFORMED MANUAL GEAR RELEASE - UNABLE TO CONFIRM RIGHT GEAR DOWN AND LOCKED. MECHANICAL DOWN AND LOCKED TARGETS OUT OF ALIGNMENT. REPLACED RIGHT SIDE BRACE ACTUATOR PER BSDR SWIA971993Bushing · damagedRIGHT GEAR VIBRATION ON RETRACTION, RED GEAR INDICATION REMAINED LIT. CYCLED GEAR, SAME PROBLEM. CYCLED GEAR HANDLE UP AND DOWN QUICKLY, LIGHT EXTINGUISHED, VIBRATION CEASED. RETURNED TO FIELD. REBUSHED RIGHT MAIN LANDING GEAR DRAG BRACE OUTBOARD BUSHING. SDR SWIA971992Landing Gear · malfunctionedAFTER TAKEOFF, THE LEFT MAIN GEAR LIGHT REMAINED RED AND A VIBRATION WAS FELT IN THE AIR. RETURNED TO RDD. COULD NOT DUPLICATE PROBLEM. PERFORMED TEN GEAR SWING CYCLES. SYSTEM CHECKS OK.SDR CA001003021Control Panel · failed(CAN) AFTER TAKEOFF, THE LANDING GEAR WOULD NOT RETRACT. REPLACED LANDING GEAR CONTROL PANEL, GEAR SWING CARRIED OUT. A/C BACK IN SERVICE.SDR 20001115SH013Accumulator · internal leakACT - FLT 3904 - AFTER TAKEOFF, CREW SELECTED GEAR UP. GEAR DID NOT COME UP. PUT ON MEL. MAINTENANCE REMOVED AND REPLACED THE INBOARD AND OUTBOARD BRAKE ACCUMULATORS, SERVICED THE MAIN SYSTEM ACCUMULATOR IAW SAAB MM. LEAK CHECKED AND RETRACTION CHECKED GOSDR CA001012004Rod End · broken(CAN) LOG PAGE 665 REFERS. PILOT REPORTED GEAR NOT LOCKED, LIGHT ILLUMINATE AFTER TAKEOFF - RECYCLED 3 TIMES FOR 3 GREEN LIGHT FOR LANDING. MAINTENANCE FOUND LEFT MAIN GEAR RETRACTION ARM BROKEN OFF FROM ROD END. (X)SDR 20001019SH009Bolt · shearedBOLT, P/N NAS464P4, SHEARED CAUSING SIDE LOAD ON THE BELLCRANK BREAKING THE ATTACH POINT AT THE GEAR LIGHT SAFETY SWITCH. (X)SDR PLGA000921Handle · failedBOS - FLT 4787 - ON APPROACH, THE LANDING GEAR WOULD NOT EXTEND WHEN SELECTED. FOLLOWING THEIR CHECKLIST, THE CREW PERFORMED AN EMERGENCY GEAR EXTENSION AND LANDED WITHOUT INCIDENT. MAINTENANCE COULD NOT DUPLICATE THE GEAR EXTENSION PROBLEM. HOWEVER, THE LASDR 20001031SH027Torque Tube · crackedLEFT MAIN LANDING GEAR WOULD NOT RETRACT. FOUND LARGE CRACK AT LEFT MAIN LANDING GEAR TORQUE TUBE. NOTHING ABNORMAL WITH GEAR RIGGING, CRACKED FROM STRESS OF CONTINUED USE. REPLACED TORQUE TUBE WITH NEW FROM FACTORY. RECHECKED LANDING GEAR RIGGING PER CESSSDR UPS00533781Shuttle Valve · inoperativeINSPECTION TYPE:N/A PIREP-GEAR WOULD NOT RETRACT NORMALLY. RETRACT IN OVERRIDE WORKED. ALSO AUTOBRAKE FAILED TO RELEASE FROM RTO POSITION ACARS SENSORS SHOULD NOSE GEAR ON GRND PITOT HEAT EICAS MSG FLASHED MOMENTARLY. *S/D* DMI M199673 ASSIGNED FOR GEAR RESDR AU000965Rod · cracked(AUS) NOSE LANDING GEAR RETRACTION ROD CRACKED IN TWO POSITIONS 180 DEGREES APART AND RUNNING LENGTHWISE FROM UNDER THE LOCKNUT. CRACK LENGTH 6.35 MM (0.25 INCH). ITEM WAS ALSO IDENTIFIED AS AN UNAPPROVED PART. (X)SDR 20001019SH022Bearing · seizedINCIDENT INVESTIGATION AFTER LEFT MAIN GEAR FAILED TO EXTEND (BOTH NORMAL AND EMERGENCY), FOUND UPLOCK ROLLER BEARING SEIZED. WOULD NOT ROTATE. AD 72-22-01 IS NOT APPLICABLE PER SERIAL NUMBER OF AIRCRAFT. THE UPLOCK ROLLER CLEARANCE BETWEEN BEARING (NAS505-SDR PLGA00916Control Valve · failedBOS-BGR - FLT 4796 - ON APPROACH, THE LANDING GEAR WOULD NOT EXTEND WHEN SELECTED. FOLLOWING THEIR CHECKLIST, THE CREW PERFORMED AN EMERGENCY GEAR EXTENSION AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE LANDING GEAR CONTROL VALVE AT FAULT. THE CONTROL SDR 20001101SH009Tube · brokenNOSE GEAR WOULD NOT LOCK DOWN AND COLLAPSED ON LANDING. FOUND NOSE GEAR DRIVE TUBE BROKEN. (X)SDR 20001030SH013Landing Gear · malfunctionedCMH - COMING INTO CMH, SELECTED GEAR DOWN, NOTHING HAPPENED. CRANKED GEAR DOWN, LANDED OK. MAINTENANCE JACKED AIRCRAFT, RESET CIRCUIT BREAKER, CYCLED GEAR NUMEROUS TIMES, COULD NOT DUPLICATE PROBLEM. (X)SDR USAASB00254Landing Gear · failedEWR - FLT 2621 - AFTER TAKEOFF FROM LGA, EN ROUTE TO MCO, CREW COULD NOT GET LANDING GEAR TO RETRACT AS GEAR HANDLE WOULD NOT MOVE TO THE RETRACT POSITION. FLIGHT DIVERTED TO EWR AND LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. MAINTENANCE CHSDR COMA0010332Priority Valve · malfunctionedGEAR DISAGREE MESSAGE DURING LANDING GEAR EXTENSION. REPLACED THE MLG PRIORITY VALVE.SDR CA001024050Fork · bent(CAN) (AC TTSN 16500 HOURS) COULD NOT CONFIRM GEAR UP INDICATION. GEAR DOWN SATISFACTORY AND RETURNED TO BASE. NEW FORK ASSEMBLY INSTALLED. SUSPECT FAILURE DUE TO HIGH TIME/CYCLE LIFE AND ASSOCIATED FATIGUE. LOOSE OR IMPROPERLY RIGGED GEAR DURING LIFE OF AIRCRSDR 20001016SH020Uplock · wornOPERATOR COMPLAINED OF HYDRAULIC SYSTEM STAYING ON AFTER LANDING GEAR RETRACTION. COULD NOT DUPLICATE ON JACKS. CESSNA FIELD SERVICE SUGGESTED INSTALLING NEW IMPROVED PARTS FOR UPLOCK HOOKS AND SWITCHES PER CESSNA SI LETTER NR M81-2. NEW PARTS WERE MORE SUBSDR AU000875Rod End · seized(AUS) NOSE LANDING GEAR REAR ACTUATING ROD ROD END SEIZED AND FAILED ALLOWING NLG TO COLLAPSE ON LANDING. (X)SDR SIMA2492Valve · inoperativeBOS - FLT 4881 - WHEN LANDING GEAR SELECTED DOWN DURING APPROACH LANDING CONTROL CB (F-7) POPPED AND GEAR TRANSIT LIGHT REMAINED ON WITH LT AND RT MAIN GEAR LIGHTS EXTINGUISHED RESET CB (F-7) CAME BACK TO LAND WITHOUT INCIDENT. AIRCRAFT TO BE FERRIED TO ALB GSDR IXXA0000031Control Valve · misriggedEN ROUTE FROM GSO TO TOL FOLLOWING ROUTINE MAINTENANCE, THE RIGHT MAIN LANDING GEAR FAILED TO RETRACT AFTER TAKEOFF. THE FLIGHT CREW CYCLED THE GEAR WITH NO SUCCESS. THE FLIGHT RETURNED TO GSO FOR AN UNEVENTFUL LANDING. MAINTENANCE INSPECTED THE LANDING GEASDR 0003266305Sequence Valve · malfunctionedDURING CLIMB AFTER RETRACTING THE LANDING GEAR, RECEIVED A LANDING GEAR DOOR EICAS MESSAGE. PERFORMED COCKPIT OPERATION MANUAL PROCEDURE, RECYCLED THE LANDING GEAR, AND PERFORMED COCKPIT OPERATION MANUAL PROCEDURE AGAIN AND EACH TIME A DIFFERENT LANDING GEAR SDR USAASB00239Line · leakingCLT - FLT 2271 - DURING CLIMB-OUT FROM PHL, EN ROUTE TO BNA, CAPTAIN SENT ACARS MESSAGE THAT THE MAIN LANDING GEAR WOULD NOT LOCK IN THE UP POSITION. GEAR INDICATION SHOWED NORMAL AFTER RECYCLING GEAR. FLIGHT DIVERTED TO CLT FOR MAINTENANCE DUE TO LIKELIHOODSDR 20001013SH006Motor · failedLANDING GEAR MOTOR WOULD NOT OPERATE IN THE DOWN POSITION. ON JACKS, THE GEAR MOTOR IS GETTING VOLTAGE, TAPPING MOTOR WITH HAMMER WILL CAUSE MOTOR TO OPERATE. (X)SDR AU000738Landing Gear · faulty(AUS) NOSE LANDING GEAR WOULD NOT EXTEND BY NORMAL MEANS (THREE ATTEMPTS). NLG FINALLY EXTENDED USING THE EMERGENCY SYSTEM.SDR AU000735Housing · corroded(AUS) RT MAIN LANDING GEAR SIDE STRUT SWIVEL HOUSING CORRODED IN THEAREA OF THE BUSHING FLANGE. DEPTH OF CORROSION 0.127MM (0.005IN).SDR AU000680Brace · cracked(AUS) LEFT MAIN LANDING GEAR LOWER SIDE BRACE CRACKED. FOUND DURING INSPECTION IAW TSA-SB600-134A. (X)SDR AU000679Brace · cracked(AUS) LEFT MAIN LANDING GEAR LOWER SIDE BRACE CRACKED. FOUND DURING INSPECTION IAW TSA-SB600-134A. (X)SDR AU000639Rod End · broken(AUS) NOSE LANDING GEAR RETRACTION ROD ROD END FAILED. (X)SDR AU000622Landing Gear · failed(AUS) AFTER TAKEOFF ON THE FIRST FLIGHT OF DAY THE NLG FAILED TO RETRACT AT GEAR UP SELECTION. GROUND CHECKS FOUND THE NOSE GEAR LOCK ENGAGED. PERSONNEL/MAINTENANCE ERRORSDR USAASB00237Drag Brace · crackedPIT - FLT 967 - AFTER TAKEOFF FROM PIT, CREW RAISED LANDING GEAR NORMALLY BUT WHEN GEAR HANDLE WAS PLACED TO THE OFF POSITION, THE NOSE GEAR RED LIGHT ILLUMINATED AND GEAR NOISE WAS PRESENT. GEAR HANDLE WAS PLACED TO THE DOWN POSITION AS CREW ACCOMPLISHED QUISDR COMA0060699Priority Valve · malfunctionedLANDING GEAR DISAGREE MESSAGE. REPLACED THE MLG PRIORITY VALVE.SDR C2XA00IA266Connector · looseDAL - FLT 4162 - THE CREW REPORTED THAT THE LANDING GEAR WOULD NOT RETRACT. THE AIRCRAFT RETURNED TO DAL WITHOUT INCIDENT WHERE MAINTENANCE RESECURED THE CANNON PLUG ON THE RIGHT MLG SQUAT SWITCH, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)SDR USAAF0066Valve · failedCLT-BHM - FLT 2358 - ON LANDING GEAR RETRACTION, AFTER TAKEOFF, THERE WAS A NOSE GERA FAULT AND A BLUE LIGHT IN THE GEAR HANDLE. THE LANDING GEAR WAS CYCLED WITH SAME RESULTS. THE AIRCRAFT RETURNED TO THE FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLASDR 20001208AP004Door · openJUST AFTER TAKEOFF FROM KINGSTON CREW NOTICED THAT THE NLG DOOR STAYED OPEN. RETURNED FLIGHT BACK TO KINGSTON AND LANDED WITH A GROSS WEIGHT OF 190,000 LBS. UPON INSPECTION CONFIRMED OPEN DOOR. OPS CHECK NOSE GEAR DOOR LINKAGE IAW DC8 MM 32-2-6 FOUND OK. (SDR CHQA20000029Bolt · shearedFLIGHT CREW RETURNED TO THE FIELD AFTER THE LANDING GEAR WOULD NOT RETRACT. MAINTENANCE FOUND THE LOWER BOLT HOLDING THE RETRACT ACTUACTOR BRACKET SHEARED, AND THE BRACKET BENT. THE BOLT AND BRACKET WERE REPLACED, GEAR SWUNG, WITH ALL INDICATIONS NORMAL.SDR TWAA0013401Cable · out of rigDURING CLIMB APPROXIMATELY 1 MINUTE AFTER GEAR HANDLE PLACED IN THE OFF POSITION THE LANDING GEAR EXTENDED. GEAR HANDLE WAS PLACED IN THE UP POSITION, FOR GEAR RETRACTION, AND WAS LEFT THERE WHILE THE FLIGHT PROCEEDED AT REDUCED AIR SPEED. RIGGED LGVB AND LGSDR SIMA2397Control Box · inoperativeBUF - FLT 5073 - ON FINAL, WHEN GEAR SELECTED DOWN, NO RESPONSE. FOLLOWED AOM PROCEDURES AND BLEW GEAR DOWN. EMERGENCY DECLARED AND CFR DISPATCHED. MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR CONTROL BOX IAW SAAB MM. OPERATIONAL CHECKS WERE GOOD AND
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