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 P5CA9701515Selector Valve · crackedNR 1 HYDRAULIC QUANTITY WENT TO 0 DURING TAXI IN. FOUND LEFT LANDING GEAR SELECTOR VALVE HOUSING CRACKED. REPLACED LEFT LANDING GEAR SELECTOR VALVE PER M/M 32-31-03.SDR CKSA97488Retreact Mech · malfunctionedNOSE GEAR IN TRANSIT DOOR FE/SO DOOR LIGHTS ON, GEAR DID NOT RETRACT. BITE CHECK OF PROX LOGIC AND SWITCH BOXES, NO FAULTS FOUND. OPERATED NLG STEERING, CHECKS OK IAW L1011 MM 32-51-00. NLG RETRACT AND EXTEND, OPS CHECKS OK IAW L1011 MM 32-34-00. BOTH NOSESDR 97ZZZX4487Alignment Roller · malfunctionON TAKE OFF CLIMB, RETRACTION, NOSE GEAR ROLLER TRAVELED OUTSIDE OF 'Y' CHANNEL CAUSING THE NOSE WHEEL TO RETRACT SIDE WAYS. CIRCUIT BREAKER TRIPPED WHEN GEAR WAS APPROXIMATELY 7/8 OF THE WAY UP. ALL ATTEMPTS TO DEPLOY THE GEAR TO A LOCKED DOWN POSITION WERESDR VTZA97492Retract Mech · malfunctionedIAD/SCE - FLT 940 - DURING TAKEOFF AT 0620 HRS ON 9-3-97, EXPERIENCED A PROBLEM WITH THE LANDING GEAR NOT RETRACTING WHEN THE GEAR HANDLE WAS SELECTED TO THE UP POSITION. AIRCRAFT RETURNED TO IAD WHERE THE MAINTENANCE TECHNICIANS TROUBLESHOT THE DISCREPANCY ASDR 97ZZZX4623O-Ring · failedNLG ACTUATOR FWD O-RING BECAME HARD, BRITTLE, WAS CUT IN 2 SPOTS .25 INCH APART, THEN ROLLED. WHEN GEAR EXTENDED FOR LANDING, HYD PUMP FORCED ALL THE HYD FLUID OVERBOARD THROUGH THE CUT O-RING. ELECTRIC HYD PUMP CONTINUED TO RUN UNTIL THE MAIN GEAR CIRCUIT BSDR 97ZZZX4146Channel Assy · crackedWHILE PERFORMING A GEAR SWING, NOSE GEAR WOULD NOT RETRACT FULLY. UNDER FURTHER INSPECTION, FOUND THE NOSE GEAR HAD JUMPED OUT OF THE TRACK ASSY. REPLACED THE UPPER CHANNEL ASSY. OPS CHECK GOOD. SUSPECT CAUSE: IMPROPER TOWING, EXCEEDING TOWING LIMITS.SDR 97UAL900672Retract Mech · lack of lubeON TAKEOFF, RIGHT MAIN GEAR WOULD NOT RETRACT. *S/D* FOUND OVER CENTER LINK MECHANISM PIVOT JOINT BINDING. LUBED ALL RIGHT MLG PIVOT POINTS. RETRACTED GEAR NUMEROUS TIMES. ALL CHECKS NORMAL PER MM32-30-00/501.SDR SCNA97337Fitting · crackedDURING SCHEDULED INSPECTION, FOUND THE LEFT MAIN LANDING GEAR UPLOCK SUPPORT FITTING CRACKED AT THE LOWER FORWARD LUG. REMOVED AND REPLACED FITTING PER SUN COUNTRY EA 53-7398.SDR MZZA97257Lock Actuator · failedMAJ - FLT 0957 - L/P NR 7956020 - NOSE LANDING GEAR WILL NOT RETRACT AFTER TAKEOFF. AFTER LANDING, MAINTENANCE MECHANIC FOUND THE NLG LOCK ACTUATOR BROKEN. REMOVED AND REPLACED NLG LOCK ACTUATOR PER MM 32-33-11. PERFORMED NLG OPERATIONAL CHECK, SWUNG THE NLSDR 97ZZZX4226Retract Mech · malfunctionedFPO/MIA - FLT 7390 - PILOT REPORT: GEAR FAILED TO RETRACT AFTER DEPARTURE. LANDING GEAR EXTENSION/RETRACTION SYSTEM INSPECTED FOR ELECTRICAL AND MECHANICAL FAULTS. NONE FOUND. AIRCRAFT PUT ON JACKS AND LANDING GEAR CYCLED MULTIPLE TIMES WITHOUT FAULT. AIRSDR 97UAL900649Uplock Actuator · failedON CLIMB-OUT, GEAR RETRACTED NORMALLY AND GEAR HANDLE MOVED TO THE OFF POSITION. LEFT GEAR RED LIGHT ILLUMINATED FOLLOWED BY THE LEFT GEAR GREEN LIGHT. HANDLE RAISED AND HEARD A THUMP FOLLOWED BY A YAW. ALL LIGHTS WENT OUT. HANDLE RETURNED TO OFF AND ALL LSDR AALA971700Solenoid · defectiveBOS - FLT 1508 - AFTER TAKEOFF ORD, LANDING GEAR HANDLE WOULD NOT RAISE NORMALLY. USED LANDING GEAR OVERRIDE SWITCH AND LANDING GEAR RETRACTED. AIRCRAFT PROCEEDED TO BOS AND LANDED WITHOUT INCIDENT. REPLACED LANDING GEAR ANTI-RETRACTION SOLENOID. SYSTEM GRSDR 97ZZZX3941Switch · out of rigAIRCRAFT IS EGYPTIAN REGISTERED. GEAR DOORS ON LANDING GEAR WOULD NOT RETRACT WHEN GEAR WAS RETRACTED. CHECKED UPLOCK SWITCHES AND FOUND THE NOSE GEAR UPLOCK SWITCH WOULD NOT CLOSE TO ALLOW THE GEAR DOORS TO CLOSE. ALSO, FOUND THE MECHANICAL UNLOCK CONTROLSSDR CA970909018Pressure Switch · failed(CAN) ON GEAR RETRACTION AFTER TAKEOFF, THE HYDRAULIC PRESSURE LIGHT REMAINED ILLUMINATED. LANDING GEAR EXTENDED, LIGHT REMAINED ON. MAINTENANCE INVESTIGATION FOUND AN INOPERATIVE PRESSURE SWITCH. THE SWITCH WAS REPLACED AND RETRACTION TESTS CARRIED OUT, SESDR C2XA97BT058Connector · corrodedALB - AFTER TAKEOFF ON CLIMB-OUT, LANDING GEAR WOULD NOT RETRACT. CYCLED UP AND DOWN. REPOSITIONED TO BTV. UPON INSPECTION, FOUND PIN 'B' ON CANNON PLUG 52GB CORRODED CLEANED CORROSION AND TEST FLEW AIRCRAFT TO SATISFACTION. (X)SDR 97ZZZX3961Service Valve · wornLANDING GEAR SLOW TO EXTEND.SDR MZZA97253Bolt · shearedGUM - FLT 0822 - L/P: 7938933 - UPON LANDING GEAR EXT, NOTICED RIGHT MAIN GEAR RED LIGHT STILL ON. VISUAL INSPECTION CONFIRMED RIGHT GEAR UP. FOLLOWED MANUAL GEAR EXTENSION PROCEDURE. AFTER LANDING, LOUD NOISE HEARD FROM RIGHT GEAR AREA. SET BOTH 'A' PUMPSDR CALA9701234Dnlock Actuator · inoperativeTHE LANDING GEAR WAS EXTREMELY STIFF DURING RETRACTION FROM UP TO OFF WITH NO NOTICEABLE DETENT AT OFF. THE NOSE GEAR EXTENDED APPROXIMATELY 12 TO 15 SECONDS AFTER MAINS. MAINTENANCE REMOVED AND REPLACED THE NLG LOCK ACTUATOR IAW MM 32-33-21 PAGE 401. THE GSDR MALA975614Ground Lock · out of positionDTW - FLT 3318 - AFTER TAKEOFF, THE NOSE GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO DTW. MAINTENANCE FOUND NOSE GEAR GROUND LOCK EXTENDED, RESET GROUND LOCK. ALL CHECKS GOOD. (X)SDR CA970904002Line · chafed(CAN) RIGHT HAND MAIN LANDING GEAR SIDE STAY DOWN PRESSURE LINE FOUND CHAFED THROUGH.SDR HEEA0010851Valve · failedBLOW DOWN BUTTON WOULD NOT STAY IN.SDR HEEA0010850Valve · failedLANDING GEAR WILL NOT FULLY RETRACT.SDR CKSA97480Uplatch Mech · lack of lubeNOSE GEAR EXTENDED ON UPLATCH CHECK, TWICE, THEN STAYED UP. CHECKED UPLATCH MECHANISM FOR CONDITION/SECURITY FOUND OK. GREASED UPLOCK UNIT AND ROLLER JACKED AIRCRAFT NOSE AND ACCOMPLISHED NOSE GEAR FUNCTIONAL CHECK, UPLOCK CHECK SATISFACTORY.SDR CA970904038Switch · failed(CAN) ON APPROACH, LT MAIN LANDING GEAR NOT SHOWING GREEN BUT TRANSIT LIGHTS EXTINGUISHED. EMERGENCY LANDING SAFELY CARRIED OUT. MAINTENANCE INVESTIGATION FOUND ACTUATOR DOWNLOCK MICROSWITCH INTERMITTENT. SWITCH REPLACED AND SYSTEM CHECKED SERVICEABLE.SDR C2XA97BT054Switch · dirtyBTV - AFTER TAKEOFF, LANDING GEAR WOULD NOT RETRACT. CLEANED PROXMITY SWITCH 52GB. TEST FLEW. TEST FLIGHT SATISFACTORY.SDR 97ZZZX3871Drag Link · crackedDURING INSPECTION NOSE GEAR RT DRAG LINK FOUND LINK CRACKED IN AREA WHERE IDLER LINK ROD ATTACHES. SUBMITTER STATED HAVE HAD SIMILAR CRACKS IN ONE OTHER LINK ASSY. SUSPECT AGE, FATIGUE, AND HARD LANDING.SDR CA970902020Hydraulic Line · ruptured(CAN) RIGHT GEAR LEG DOWN STAY ACTUATOR INBOARD HYDRAULIC LINE RUPTURED. LINE REPLACED AND RETRACTION TESTS CARRIED OUT CHECKED SERVICEABLE.SDR UPS97224281Eye End · wornINSPECTION TYPE:C LT MLG MANUAL EXTENSION UPLOCK RELEASE SHAFT PUSHROD EYE ENDS WORN EYE ENDS REPLACED IAW MM 32-34-0.SDR RRXA97222Retract Mech · out of adjustAFTER TAKEOFF, THE CREW ON N604AL HEARD A LOUD NOISE IN THE NOSE GEAR. CREW ELECTED TO RETURN TO SJO. ACFT LANDED WITHOUT INCIDENT. AFTER INSPECTION, NO PROBLEM COULD BE FOUND. CREW ATTEMPED TO TAKEOFF AGAIN, BUT PERFORMED AN AIR TURNBACK WITH SAME PROBLESDR C2XA97BT053Switch · dirtyEWR - AFTER TAKEOFF, LANDING GEAR WOULD NOT RETRACT. MAINTENANCE FERRIED TO BTV. CLEARED LANDING GEAR MICROSWITCHES. TEST FLEW. TEST FLIGHT SATISFACTORY. (X)SDR USAAD97136Retract Mech · lack of lubePIT - FL 1756 - ON APPROACH, CREW RECEIVED INDICATION OF THE NOSE GEAR NOT LOCKING IN THE DOWN POSITION. THE CREW CYCLED THE GEAR, AND RECEIVED THREE GREEN LIGHT. FLIGHT LANDED AT PIT WITH NO FURTHER INCIDENT. MAINTENANCE JACKED THE AIRCRAFT, LUBED AND THENSDR CWTA064DUplock · crackedUPON RETRACTION OF LANDING GEAR, PILOT REPORTED LANDING GEAR CYCLING WITH UNSAFE LIGHT FLASHING. PILOT EXTENDED LANDING GEAR, ALL 3 GEAR LOCKED DOWN WITH 3 GREEN LIGHTS. LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTION REVEALED RIGHT MAIN UPLOCK CRACKED. (SDR AALA971547Sensor · defectiveJFK - FLT 9579 - AFTER TAKEOFF JFK, LANDING GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO JFK AND LANDED WITHOUT INCIDENT. REPLACED LEFT MAIN LANDING GEAR 9GA AND 8GA POSITION SENSORS AND SUPPORT BRACKETS. ACCOMPLISHED LANDING GEAR RETRACTION CHECK WITH NO DSDR 97ZZZX3792Selector Valve · failedDFW - EN ROUTE, ALL THREE LANDING GEAR WOULD NOT EXTEND WITH NORMAL EXTENSION SYSTEM. PERFORMED MANUAL EXTENSION. MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR SELECTOR VALVE. OPERATIONAL CHECK GOOD, AIRCRAFT APPROVED FOR RETURN TO SERVICE. PART TOTAL SDR CA970904012Sensor · intermittent(CAN) ON APPROACH WHEN GEAR SELECTED DOWN NOSE GEAR DID NOT EXTEND. GEAR LEVER CYCLED TO 'OFF' AND TO 'DOWN'. NOSE GEAR EXTENDED.SDR WTAA970158Uplock Actuator · failedSFO - MAIN LANDING GEAR INTRANSIT LIGHTS ILLUMINATED ON INITIAL GEAR RETRACTION. AIRCRAFT FERRIED TO FAT FOR REPAIRS. MAINTENANCE FOUND RIGHT MLG UPLOCK JACK BYPASSING FLUID. REPLACED UPLOCK JACK. GEAR RETRACTION INDICATOR OPERATIONAL CHECK NORMAL ON GROUNDSDR CALA9701189Lock Actuator · inoperativeTHE NOSE GEAR DID NOT EXTEND WHEN GEAR HANDLE WAS SELECTED DOWN ON FINAL APPROACH. THE GEAR WAS CYCLED AND EXTENDED NORMALLY FOR A SAFE LANDING AT IAH. MAINTENANCE FOUND THE NLG LOCK ACTUATOR AT FAULT. THE NLG LOCK ACTUATOR WAS REMOVED AND REPLACED IAW MM 3SDR 97ZZZX3940Relay · failedGEAR IN-TRANSIT LIGHT CAME ON IN-FLIGHT WHEN GEAR SELECTOR HANDLE IN UP POSITION. GEAR CONTROL/LIGHT CIRCUIT BREAKER TRIPPED AND COULD NOT BE RESET. GEAR MANUALLY EXTENDED. FOUND UP GEAR RELAY SHORTED. LANDING GEAR MOTOR HAD STAYED ON CAUSING NOSE GEAR ACTSDR MALA975590Push In Lock · out of positionFLT 3039 - AFTER TAKEOFF, THE NOSE GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO DTW. MAINTENANCE RESET PUSH-IN LOCK. ALL CHECKS GOOD. (X)SDR TWAA9790001Bungee Cyl · brokenSTL - FLT 539 - RIGHT MAIN LANDING GEAR WOULD NOT RETRACT DUE TO A BROKEN BUNGEE CYLINDER. REMOVED AND REPLACED RETRACT BUNGEE CYLINDER, MFG P/N 3914016-6505, MANUFACTURED BY DOUGLAS AIRCRAFT COMPANY. OPERATIONAL CHECK NORMAL. (M)SDR 97ZZZM980Selector Valve · defectiveFLT 211 - MIA-PID - PILOT REPORTED LANDING GEAR WOULD NOT EXTEND, HAD TO MANUALLY EXTEND NOSE AND MAIN GEAR. THE GEAR WAS PUMPED DOWN AND LOCKED. AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS INSPECTED AND GEARS PINNED. THE AIRCRAFT WAS FOUND TO BE SASDR HEEA0010592Priority Valve · crackedPRIORITY VALVE CRACKED IN SEVERAL PLACES.SDR CA970902007Fitting · cracked(CAN) ON APPROACH NOSE GEAR UNSAFE LIGHT STILL ON. ALTERNATE GEAR EXTENSION CARRIED OUT. NOSE GEAR LIGHT STILL ON. GEAR RECYCLED AND ALL OK. INSPECTION FOUND THE ALTERNATE GEAR RELEASE CABLE P/N NAS302-37-0870 HAD BEEN CAUGHT UP ON A BRACKET AND CHAFED 70 PERCSDR CA970807005Cylinder · cracked(CAN) TWO OVERHAULED CYLINDERS DISPLAYED MULTIPLE CRACKS ON AFT TRUNNION BEARING AREA. ALSO DISPLAYED A BURN MARK, WITH REWORK FLAT SPOT FORMED ON CYLINDER SURFACE. THE CHROME PLATE AND BAKE PROCESS WERE DELAYED 38.5 HOURS AND BOEING MAX BETWEEN PROCESSES IS 1SDR 97ZZZM901Uplock Roller · wornWHILE DEPARTING MIA EN ROUTE TO GCM, THE GEAR UP WAS SELECTED AND THE LEFT LANDING GEAR COULD BE FELT BUMPING THE UPLOCKS SEVERAL TIMES. THE RED LEFT LANDING GEAR LIGHT DID NOT EXTINGUISH AND THE GEAR WAS RECYCLED AND LEFT DOWN. THE AIRCRAFT THEN DIVERTED TOSDR 97ZZZX3750Rod End · failedTHE ROD END BEARING CASE CRACKED CAUSING IT TO SPREAD OPEN; THUS, CAUSING EXTENSION OR RETRACTION OF NOSE GEAR TO BE IMPOSSIBLE. THIS ROD END WAS FOUND IN THE IMPROPER PLACE POSSIBLY NOT BEING MADE TO TAKE THAT RADIAL LOAD. BEECH SI NR 0760-010 SUGGESTS THE SDR DL757971525Actuator · malfunctionedA/C EXPERIENCED NOSE GEAR DISAGREE UPON APPROACH. CREW CYCLED GEAR SEVERAL TIMES TO NO AVAIL. ALTERNATE GEAR EXTENSION OPERATED NORMALLY. A/C LANDED WITHOUT INCIDENT. A/C WAS JACKED AND FOUND THAT UPON EXTENSION NOSE GEAR DOORS OPENED BUT GEAR REMAINED IN SDR WTAA970146Release Valve · trippedLAX - LANDING GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. MAINTENANCE RESET LANDING GEAR RELEASE VALVE BY PASS PIN. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (M)SDR CA970815015Downlock · dirty(CAN) RIGHT HAND GEAR DOWNLOCK FOUND DIRTY AND WOULD NOT OPERATE FREELY.SDR 97ZZZX3754Downlock Cable · failedDOWNLOCK RELEASE CABLE FAILED AT TURNBUCKLE. SAFETY WIRE WAS ALL THAT HELD TURNBUCKLE TOGETHER.
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