JASC 3233
Service difficulty reports · 2,688
Reports filed under 3233 · Landing Gear Actuator, 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 = '3233' 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 = '3233' 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 98ZZZX2237O-Ring · wrong partTWO PREVIOUS O-RING FAILURES AND ONE O-RING INSPECTION REVEALING O-RING DAMAGE ON ANOTHER AIRCRAFT PROMPTED INSPECTION OF ALL ACTUATORS ON THIS AIRCRAFT. (FAILURE RESULTS IN INCOMPLETE GEAR RETRACTION). UPON DISASSEMBLY, FOUND INCORRECT O-RINGS INSTALLED ON SDR 98ZZZX2233O-Ring · damagedLANDING GEAR FAILED TO RETRACT FULLY IN-FLIGHT. ISOLATED ACTUATORS AND FOUND LEFT MAIN GEAR ACTUATOR BYPASSING (AUDIBLE) FLUD/PRESSURE. DISASSEMBLED ACTUATOR. FOUND DAMAGED AND APPARENTLY INCORRECT (UNDERSIZE) O-RING. INSTALLED ON ACTUATOR PISTON. SUSPECTSDR 98ZZZX2232O-Ring · damagedTWO PREVIOUS O-RING FAILURES PROMPTED INSPECTION OF THIS ACTUATOR (SAME PART NUMBER AS RIGHT AND LEFT GEAR ACTUATORS). UPON DISASSEMBLY FOUND INCORRECT O-RING INSTALLED ON ACTUATOR PISTON. O-RING WAS DAMAGED, BUT HAD NOT YET FAILED.SDR 98ZZZX2163O-Ring · wrong partTWO PREVIOUS O-RING FAILURES PROMPTED INSPECTION OF THIS ACTUATOR (SAME P/N AS RIGHT AND LEFT GEAR ACTUATORS). UPON DISASSEMBLY, FOUND INCORRECT O-RING INSTALLED ON ACTUATOR PISTON. O-RING WAS DAMAGED, BUT HAD NOT YET FAILED.SDR 98ZZZX2148O-Ring · wrong partTWO PREVIOUS O-RING FAILURES AND ONE O-RING INSPECTION REVEALING O-RING DAMAGE ON ANOTHER AIRCRAFT PROMPTED INSPECTION OF ALL ACTUATORS ON THIS AIRCRAFT (FAILURE RESULTS IN INCOMPLETE GEAR RETRACTION). UPON DISASSEMBLY, FOUND INCORRECT O-RINGS INSTALLED ON ALSDR 98ZZZX2040O-Ring · damagedLANDING GEAR FAILED TO RETRACT FULLY IN-FLIGHT. ISOLATED ACTUATORS AND FOUND LT MAIN GEAR ACTUATOR BYPASSING (AUDIBLE) FLUID/PRESSURE. DISASSEMBLED ACTUATOR, FOUND DAMAGED AND APPARENTLY INCORRECT (UNDERSIDE) O-RING INSTALLED ON ACTUATOR PISTON. SUSPECT INCSDR 98ZZZM483Actuator · failedGEAR WILL NOT RETRACT ELECTRICALLY. LT MLG ACTUATOR FAILURE. REMOVED AND REPLACED LT MLG ACTUATOR IAW CHAP 32 BMM. (M)SDR C2XA98CL038Actuator · failedCLE - FLT 4032 - CREW REPORTED THAT UPON TAKEOFF THE RIGHT MAIN LANDING GEAR FAILED TO RETRACT. THE AIRCRAFT RETURNED TO FIELD WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT THEN REMOVED AND REPLACED THE RIGHT MAIN LANDING GEAR UNLOCK ACTUATOR SDR CALA9800722Actuator · failedTHE LT MLG WOULD NOT RETRACT AFTER TAKEOFF. CYCLING THE GEAR DID NOT HELP. FUEL WAS DUMPED AND THE GEAR WAS VISUALLY CONFIRMED DOWN BY TOWER. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE SWUNG THE LANDING GEAR SEVERAL TIMESDR WTAA980073Pin · failedACV - RIGHT MAIN GEAR FAILED TO INDICATE UP WITH ASSOCIATED VIBRATION AND SLIGHT YAW TO THE RIGHT. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. FOUND RIGHT LANDING GEAR ACTUATOR PIN ASSEMBLY AT LANDING GEAR BROKEN. MAINTENANCE REPLACED RIGHT GEAR ACTUATORSDR 98ZZZX1915Actuator · failedSHORTLY AFTER ACFT GEAR RETRACTION DURING NORMAL TAKEOFF, PILOT DETECTED THE GEAR UNSAFE LIGHT CAME ON AND CLIMB RATE HAD SLOWED. PILOT EXTENDED GEAR AND MADE A SAFE LANDING WITH GEAR DOWN AND LOCKED. DURING INSPECTION OF THE GEAR SYSTEM, THE GEAR WOULD NOT SDR MALA976098Bolt · bentDURING GEAR RETRACTION THE INTRANSIT LIGHT WOULD NOT EXTINGUISH. MAINTENANCE REPLACED ACTUATOR BOLT ON NOSE LANDING GEAR, OPS CHECKS GOOD.SDR AU980396O-Ring · failed(AUS) OUTBOARD MLG ACTUATOR BLANK LEAKING HYDRAULIC OIL DUE TO BROKEN O-RING SEAL.SDR AU980372Rod End · damaged(AUS) NOSE LANDING GEAR ACTUATOR ROD END FAILED DUE TO STRESS CORROSION IN THE AREA ADJACENT TO THE THREADED SECTION. NOSE LANDING GEAR COLLAPSED ON LANDING.SDR 98ZZZX2154Fitting · failed'AN' FITTING CRACKED WITH NO SIGNS OF LEAK OR WEAR CAUSING HYD SYSTEM TO BE DRAINED ON GEAR RETRACT. BECAUSE SYSTEM HAS STANDPIPE FOR EMERGENCY USE WAS ABLE TO PUMP GEAR DOWN AND GET 3 GEAR GREEN, BUT ALSO RED LIGHT SAYS SYSTEM NOT COMPLETELY CYCLED. LANDED SDR CA980416006Line · ruptured(CAN) AFTER TAKEOFF, THE GEAR DID NOT RETRACT AND NR 2 HYDRAULIC QUANTITY WENT TO ZERO. HYDRAULIC LINE AT NOSE DRAG STRUT ACTUATOR FOUND RUPTURED.SDR 98ZZZX1692Stud · failedIN PERFORMING 10,000-HOUR MLG INSPECTION AND UPON INSTALLING NUT ON STUD, STUD SHEERED IN HALF AT BASE OF THREADED AREA ALLOWING ACTUATOR TO SEPARATE FROM LANDING GEAR. AIRCRAFT WAS ON JACKS. UPON INSPECTION OF STUD, DETERMINED IT WAS CRACKED AND CORRODED.SDR CA971104007Piston Rod · leaking(CAN) MAIN LANDING GEAR ACTUATOR LEAKING FLUID BETWEEN PISTON ROD AND ACTUATOR HOUSING. DISASSEMBLY OF THE ACTUATOR REVEALED CORROSION ON ROD AFFECTED THE"O" RING CAUSING THE HYDRAULIC LEAK. NEW ACTUATOR INSTALLED.SDR SWIA971112Actuator · failedDURING GEAR RETRACTION, AFTER GEAR UP LIGHTS ARE OUT MOMENTARILY, LEFT MAIN INTRANSIT LIGHT CAME BACK ON. CYCLED GEAR AND ALL STAYED OUT NORMAL. RETURNED TO SLC, REPLACED LEFT MLG ACTUATOR PER MM 32-32-10. CYCLED GEAR AND INDICATION AND OPERATION CHECKS GOOSDR CA980417015Actuator · inoperative(CAN) LOUD BANGING NOISE HEARD FROM NOSE AREA DURING TAKEOFF. THIRD TIME REPEAT. A/C RETURNED TO BASE. MAINTENANCE REPLACED NOSE LANDING GEAR UPLATCH AND ACTUATOR.SDR CA980407013Actuator · cracked(CAN) PILOT REPORTED LANDING GEAR LIGHT COMING ON IN-FLIGHT AND AFTER GEAR RECYCLED. HYDRAULIC LEAK AROUND PISTON SEAL. TWO CRACKS IN BARREL AT BLOCK END, NO SIGNS OF LEAK. REPLACED.SDR SWAA980407Drain Plug · leakingFLIGHT DIVERTER INTO OAK DUE TO A ENG LOW PRESSURE LIGHT ILLUMINATED. A-SYSTEM WAS DECREASING RAPIDLY. LDG GEAR SELECTOR MOVED TO OFF. A-SYS QUANTITY STABILIZED JUST UNDER 1/4 TANK. INSPECTED AND FOUND LEFT MLG ACTUATOR DRAIN PLUG NOT SAFETIED. RETORQUESDR AU980330Actuator · broken(AUS) LT MAIN LANDING GEAR ACTUATOR ROD BROKEN AT THE END OF THE THREADED SECTION.SDR CA980406004Line · ruptured(CAN) AFTER TAKEOFF, LOSS OF NR 2 HYDRAULIC SYSTEM FLUID. AIRCRAFT RETURNED. INSPECTION FOUND FLEX LINE TO NLG DOWNLOCK ACTUATOR BURST. LINE AND HYDRAULIC PUMP REPLACED.SDR 98ZZZX2607Bolt · missingUPON LANDING, THE NOSE LANDING GEAR COLLAPSED. INVESTIGATION DETERMINED THE ACTUATOR ROD BOLT WAS MISSING. THE CAUSE COULD BE EITHER A FAILED BOLT OR FAILED SAFETY. SUBMITTER STATED CLOSER INSPECTION OF THIS AREA COULD PREVENT THIS OCCURRENCE IN FUTURE CASESDR REXA98073Bolt · failedUPON LANDING GEAR RETRACTION GOT A GEAR HANDLE LIGHT AND THE HYDRAULIC PUMP KEPT RUNNING. PUT LANDING GEAR BACK DOWN, AND THE LEFT HAND MAIN WOULD NOT LOCK DOWN. RAN EMERGENCY CHECKLIST, PULLED T-HANDLE WITH NO CHANGE. LANDED WITH NO FURTHER INCIDENT. REMOSDR CALA9800473Actuator · inoperativeTHE EICAS GEAR DISAGREE AND GEAR AMBER LIGHT ILLUMINATED AFTER GEAR RETRACTION WITH GEAR HANDLE IN THE UP POSITION. MOVING THE GEAR HANDLE TO THE OFF POSITION REMOVED BOTH WARNINGS. NOSE GEAR RETRACTION SEEMED LONGER THAN NORMAL. THE FLIGHT CONTINUED TO EWRSDR CA980330002Switch · failed(CAN) DURING APPROACH, NO DOWNLOCK INDICATION FOR NOSE LANDING GEAR. AFTER OVER FLYING THE TOWER, LIGHT INDICATION CAME ON. MAINTENANCE INSPECTED THE NOSE GEAR SWITCHES AND LANDING GEAR RETRACTION TESTS CARRIED OUT. UNABLE TO DUPLICATE FAULT. SUSPECT INTERNSDR CA980317020Actuator · failed(CAN) OVERHAULED GEAR DOOR ACTUATOR INSTALLED TO RECTIFY A PREVIOUS PROBLEM. GROUND TEST OK. TEST FLIGHT FORWARD GEAR DOORS FAILED TO OPEN AND GEAR MANUALLYLOWERED. GROUND OPERATION NORMAL. INVESTIGATION REVEALED THAT THE ACTUATOR LIMIT SWITCH WIRES WERE MISLASDR WTAA980046Actuator · failedLAX - LANDING GEAR WOULD NOT RETRACT. AIRCRAFT FERRIED TO FAT FOR REPAIRS. MAINTENANCE REPLACED LEFT MAIN LANDING GEAR RETRACTION ACTUATOR. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (M)SDR C2XA98CL025Actuator · out of adjustDAY - FLT 3233 - CREW REPORTED THE RIGHT MAIN LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. THE AIRCRAFT WAS MAINTENANCE FERRIED TO CLE. MAINTENANCE INSPECTED THE LANDING GEAR THEN CLEANED AND ADJUSTED THE RIGHT MAIN LANDING GEAR RETRACT AND EXTENDED ACTUATOSDR 99ZZZX663Nut · strippedTHE NOSE GEAR FAILED TO EXTEND FULLY BEFORE LANDING. ELECTRICAL AND MANUAL EXTENSION PROCEDURE WERE NOT SUCCESSFUL CAUSING THE NOSE GEAR TO COLLAPSE DURING LANDING. INSPECTION OF THE NOSE GEAR ACTUATOR, P/N 50-820208-5, REVEALED THAT NUT ASSY, P/N 90-820015SDR SWA980235Web · crackedDURING SCHEDULED D-CHECK, FOUND NLG RETRACT ACTUATOR SUPPORT BEAM HAS CRACKED WEB AT BS 248. REPAIRED PER BOEING MM.SDR CA980311021Piston · corroded(CAN) HYD FLUID LEAKING FROM MLG ACTUATOR AT POINT WHERE THE WIPER SEAL CONTACTS THE PISTON. PITTING DUE TO CORROSION. REPLACED.SDR CA980311019Shaft · corroded(CAN) HYD FLUID LEAKING FROM MLG ACTUATOR PISTON. PISTON PITTED WITH CORROSION AT CONTACT POINT OF FELT WIPER. REPLACD.SDR UPS98826110Pin · crackedINSPECTION TYPE-N/A, NO LEFT GREEN GEAR DOWN LIGHT AND LOUD NOISE. CREW PERFORMED FLY-BY TO CONFIRM LT GEAR DOWN. FOUND GEAR RETRACT ACTUATOR PIN (LWR) SHEARED, IPC 32-10-05 FIG 10. ALSO, FWD/LWR DOWN LOCK LINK BROKEN IPC 32-30-01. REPLACED LOWER RETRACT CYSDR AU980261Actuator · faulty(AUS) NOSE LANDING GEAR ACTUATOR RESTRICTOR BLOCKED BY UNKNOWN FOREIGN MATERIAL.SDR AU980240Housing · cracked(AUS) MAIN LANDING GEAR ACTUATOR HOUSING CRACKED.SDR CA980318002Boss · damaged(CAN) PIVOT BOSSES WERE UNDER LIMITS FOR THE BEARING. REPLACED.SDR CA980318001Ball Lock · failed(CAN) ON DEPARTURE THE GEAR WAS SELECTED UP AND THE NOSE GEAR DOWN GREEN STAYED ON. AIRCRAFT RETURNED AND NOSE GEAR ACTUATOR REPLACED.SDR 98ZZZX1608Seal · failedACTUATOR SLOW TO LOCK IN (EXTENDED) 'GEAR DOWN' POSITION. LANDING GEAR POSITION DETERMINED TO BE UNLOCKED DURING APPROACH TO LANDING. SEVERAL CYCLES OF LANDING GEAR WERE ATTEMPTED. EVENTUALLY, THIS ACTUATOR DID FULLY EXTEND AND INDICATED A 'SAFE' CONDITION SDR 98ZZZM337Actuator · failedRIGHT MAIN GEAR FAILED TO INDICATE DOWN AND LOCK. REPLACED ACTUATOR.SDR C2XA98IA034Actuator · inoperativeIAH - DURING FLT 3794 - FROM LRD, THE PILOT REPORTED THE NOSE LANDING GEAR WOULD NOT RETRACT. THE AIRCRAFT RETURNED TO LRD WITHOUT INCIDENT, AND WAS FERRIED TO IAH WHERE MAINTENANCE REMOVED AND REPLACED THE NOSE LANDING GEAR RETRACT ACTUATOR, AND THE AIRCRAFTSDR 98ZZZM390Actuator · leakingLANDING GEAR FAILED TO EXTEND IN NORMAL MODE. (M)SDR 98UAL900079Actuator · failedON TAKEOFF CREW HAD TO USE OVERRIDE TO RAISE GEAR. *S/D* BLOWN PISTON SEAL IN TRUCK POSITION ACTUATOR. REPLACED ACTUATOR.SDR CA980318014Actuator · binding(CAN) ACTUATOR BINDING/SLIPPING INTERNALLY. REPLACED.SDR C2XA98CL013Actuator · failedCLE - FLT 3280 - CREW REPORTED THE NOSE GEAR LIGHT BARELY ILLUMINATES IN THE AIR BUT COMES TO FULL BRIGHTENSS ON THE GROUND. MAINTENANCE INSPECTED THE AIRCRAFT THEN REMOVED AND REPLACED THE NOSE GEAR ACTUATOR IAW B1900D MM 32-30-14. OPERATIONAL AND LEAK CHECSDR CA980318011Actuator · failed(CAN) NOTICEABLE BINDING WHEN ROTATING ACTUATOR AT .500 STROKE, END PLAY OK.SDR AU980102Actuator · broken(AUS) MAIN LANDING GEAR ACTUATOR SHAFT BROKEN. RAM ADJUSTMENT STOP HAS BEEN ILLEGALLY MODIFIED WITH THE PLAIN NUT REPLACED WITH A METALLOCKNUT AND THE REMAINING LOCKING NUT NOT LOCKWIRED. UNAPPROVED PART. PERSONNEL/MAINTENANCE ERROR.SDR WTAA980021Retraction Jack · failedLAX - NOSE GEAR FAILED TO RETRACT ON INITIAL ATTEMPT. RETRACTION NORMAL ON SECOND ATTEMPT. MAINTENANCE REPLACED NOSE GAER RETRACTION JACK. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (M)
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