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 98ZZZX1292Bolt · shearedDURING LANDING ROLL-OUT, GEAR HORN CAME ON, RT GEAR COLLAPSED. FOUND DOWNLOCK BELLCRANK PIVOT BOLT HEAD SHEARED OFF AND DOWNLOCK ADJUSTING SCREWS BROKEN, BELLCRANK PIVOT LUGS ON TRUNNION BROKEN OFF. DURING REPAINT AND RIGGING, NOTICED PUSH ROD TO DOWNLOCK BESDR CALA9800218Actuator · leakingTHE NLG WAS VERY SLOW TO EXTEND AND INDICATE DOWN WHEN GEAR WAS LOWERED DURING TEST FLIGHT WHILE AIRCRAFT WAS IN D-CHECK AT MAN. MAINTENANCE FOUND THE NLG DOWNLOCK ACTUATOR LEAKING INTERNALLY. THE ACTUATOR WAS REMOVED AND REPLACED IAW MM 32-35-00.SDR 99ZZZX33Pin · mismanufacturedUPON RECEIPT OF A FACTORY NEW NOSE GEAR ACTUATOR BEARING HOUSING WHICH IS MODIFIED FOR C/W SB 95-20 DOWNLOCK PIN REPLACEMENT. AFTER INSTALLING KIT SK210-155 PER SB 95-20, DISCOVERED THE DOWNLOCK PINS DID NOT PROTRUDE .325 INCH PLUS OR MINUS .005 INCH FOR PROSDR 98ZZZX1050Link Assy · defectiveDOWNLOCK SPRING WEAK, CAUSED DOWNLOCK KNUCKLE TO NOT GO TO OVER-CENTER LOCK POSITION. PIN HAD WEAR OF .005 INCH. COUPLE THIS WITH WEAK SPRING AND PLAY, ENOUGH TO ALLOW NLG TO COLLAPSE ON ROLL-OUT. FAA RECORDS SHOW SAME TYPE ACCIDENT 1974 - IN A SENECA I AIRSDR CA980330020Valve · malfunctioned(CAN) AFTER TAKEOFF IN MINUS 42 DEGREES CENTIGRADE AND BLOWING SNOW, THE LANDING GEAR TOOK 3 CYCLE ATTEMPTS TO RETRACT. SUBSEQUENT RETRACTIONS WERE NORMAL AS THE AIRCRAFT APPROACHED WARMER CLIMATES. BEFORE LANDING AT HOME BASE, AND GEAR EXTENSION, A NOISE SISDR AU980184Downlock Hook · binding(AUS) RH MAIN LANDING GEAR DOWNLOCK HOOK BINDING.SDR AU980163Downlock Hook · stuck(AUS) LH MAIN LANDING GEAR DOWNLOCK HOOK STUCK DUE TO LACK OF LUBRICATION.SDR AU980161Pin · separated(AUS) NOSE LANDING GEAR UPLOCK TO UPLOCK ACTUATOR CLEVIS PIN DISENGAGED. AIRCRAFT LANDED WITH NLG RETRACTED CAUSING MINOR DAMAGE TO THE PROPELLER AND AIRFRAME.SDR S2YA98005Retract Mech · malfunctionedMSN/MKE - FLT 1158 - DURING APPROACH, CREW SELECTED LANDING GEAR DOWN WHICH FAILED TO EXTEND. CREW DECLARED AN EMERGENCY AND MANUALLY EXTENDED LANDING GEAR. AFTER RECEIVING ALL 3 GEAR DOWN AND LOCKED INDICATIONS, MADE UNEVENTFUL LANDING. MAINTENANCE INSPECTSDR HEEA0012911Priority Valve · failedNR2 SERVO LIGHT WOULD COME ON WHEN GEAR IS LOWERED OR RAISED.SDR COMA9810043Connector · looseLANDING GEAR CONTROL COULD NOT BE SELECTED UP. GROUND SAFETY LOCK ENGAGED. SECURED LOOSE QUICK DISCONNECT COUPLING AT RIGHT HAND MLG WEIGHT ON WHEELS PROXIMITY SENSOR WIRING HARNESS.SDR USAAF98014Upstop · failedPIT - FLT 0864 - AFTER TAKEOFF FROM PIT, THE RT MLG WOULD NOT RETRACT. FLIGHT RETURNED TO PIT WHERE LANDING WAS WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND MLG UPSTOP DAMPER (RS) MALFUNCTIONING. SERVICED UPSTOP DAMPER PER F100 MM 32-11-05. PERFORMED OPERATSDR CA980909004Uplock Cable · worn(CAN) RIGHT MLG UPLOCK CABLE WORN BY CONTACT WITH MLG FORWARD LINK ASSY. REPLACED.SDR CA980317027Rod · damaged(CAN) A/C RETURNED TO BLOCKS, UNABLE TO RETRACT NOSE LANDING GEAR. FOUND GROUND SHIFT ROD END DAMAGED. REPLACED GROUND SHIFT ROD AND SHIFT BRACKET. RETRACTION TESTS CARRIED OUT. CHECKED SERVICEABLE.SDR 98ZZZX838Rod End Bearing · brokenINVESTIGATION AFTER SENECA NOSE GEAR COLLAPSE REVEALED BROKEN ROD END BEARING, P/N 452-334, ON DOWNLOCK LINK ASSY. SUBMITTER SUGGESTED POSSIBLE CAUSES AS UNREPORTED HARD LANDING AND/OR DEFECTIVE ROD END.SDR TWAA9802002Handle · out of positionSTL - FLT 347 - DURING TAKEOFF STL, THE LANDING GEAR FAILED TO RETRACT. RETURNED TO STL. MAIN GEAR BYPASS HANDLE WAS REPOSITIONED FROM THE BYPASS TO THE NORMAL POSITION. (M)SDR SABA980011Switch · dirtyCLT - FLT 5214 - ON FLT FROM LEX TO CLT, ON APPROACH TO CLT, THE PILOT PUT THE LANDING GEAR DOWN. RECEIVED 3 GREEN LIGHTS AND AN UNSFE RED LIGHT, ALSO WARNING HORN ON NOSE LANDING GEAR. PILOT PUT THE FLAPS TO 35 DEGREES, BUT NO CHANGE. CYCLED GEAR WITH NO CSDR PNSA980210Uplock Rollers · lack of lubeNOSE GEAR WOULD NOT LOCK UP. CLEANED AND LUBED DIRTY NOSE GEAR UPLOCK ROLLER, OPS CHECK OK.SDR DLM88980327Strut · reqd serviceDURING GEAR RETRACTION, NOSE GEAR DID NOT STOW IN WELL PROPERLY. NOSE GEAR UNSAFE LIGHT ON. FOUND NOSE STRUT UNDERSERVICED. SERVICED STRUT PER MM.SDR CA980225003Rod · req adjustment(CAN) AFTER TAKEOFF, THE NOSE GEAR WOULD NOT RETRACT, AIRCRAFT RETURNED. NLG DOWNLOCK ACTUATING ROD WAS SLIGHTLY OUT OF ADJUSTMENT, WOULD NOT RETRACT WITH AIR LOADS AGAINST IT. ADJUSTED PER THE MM.SDR USAASB98031Safety Relay · failedBWI - FLT 141, DURING CLIMB-OUT FROM BWI, CAPTAIN TRIED TO LIFT THE GEAR HANDLE TO STOW THE GEAR BUT THE HANDLE WOULD NOT MOVE PAST THE OFF POSITION. AFTER SEVERAL ATTEMPTS TO RAISE THE GEAR FAILED, CAPTAIN DECIDED TO RETURN TO FIELD AT BWI. FLIGHT LANDED WISDR RRXA98016Accessory Box · failedLANDING GEAR HANDLE FAILED TO RAISE AFTER T/O. (LANDING GEAR LEVER LATCH FAILED TO RELEASE AFTER T/O). REMOVED AND REPLACED LANDING GEAR ACCESSORY BOX IAW M/M 32. OPS CHECKS GOOD.SDR TWAA9801901Latch Assy · wornSTL - FLT 372 - ON GEAR RETRACTION, LEFT GEAR UNSAFE LIGHT REMAINED ON. RECYCLED GEAR AND NOSE GEAR UNSAFE LIGHT REMAINED ON BUT MAIN GEAR INDICATION NORMAL. PLACED GEAR HANDLE DOWN AND NORMAL INDICATION. RETURNED TO STL. REPLACED MAINTENANCE BYPASS HANDLESDR DL72L980321Torque Tube · failedUPON T/O, AFTER GEAR RETRACTION (DOORS LIGHT REMAINED ILLUMINATED AND RT GEAR DOOR LIGHT ON S/O PNL WAS ON. ADDITIONALLY RT GEAR AND GREEN GEAR LIGHTS REMAINED ILL.VISUAL INSP CONFIRMED RMLG WAS DWN. ACCOMPLISHED POM WITH GEAR HANDLE UP POS THE LIGHTS REMAINSDR CALA9800189Retract Mech · iced upTHE LANDING GEAR HANDLE WOULD NOT GO DOWN UPON GEAR EXTENSION ON APPROACH TO DEN. THE GEAR WAS EXTENDED USING THE EMERGENCY GEAR EXTENSION HANDLE. THE REGULAR GEAR HANDLE WAS THEN ABLE TO BE MOVED TO THE DOWN POSITION WITH THREE GREEN LIGHTS DISPLAYED. THE SDR ABXA9800064Hook · out of adjustNOSE GEAR FAILED UPLATCH CHECK. RECYCLED GEAR SEVERAL TIMES AND PERFORMED ALTERNATE UPLATCH CHECK WITH SAME RESULTS. ADJUSTED NOSE UPLATCH MECHANISM IAW DC8 MM 32-31-0. PERFORMED GEAR SWING AND UPLATCH CHECK. OPS CHECKED GOOD.SDR ABXA9800063Retract Mech · lack of lubeWHEN GEAR SELECTED DOWN, MAIN GEAR CAME DOWN AND LOCKED. GEAR DOORS CYCLED NORMALLY. NOSE GEAR WOULD NOT COME DOWN, NO NOSE GEAR INDICATION AT ALL. RECYCLED GEAR, SAME RESULT. COMPLIED WITH ABNORMAL PROCEDURES, FREE FELL NOSE LANDING GEAR. GEAR CAME DOWN SDR WTAA980018Valve · trippedBUR - GEAR FAILED TO RETRACT AFTER TAKEOFF. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. AIRCRAFT FERRIED TO LAX FOR REPAIRS. MAINTENANCE RESET LANDING GEAR BYPASS PIN ON RELEASE VALVE ASSY. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RELEASED TO SERVICE. SDR MALA975951Uplock Act · lack of lubeDEPARTING CRW, ON GEAR RETRACTION, RIGHT MAIN GEAR RED UNSAFE LIGHT ILLUMINATED. AIRCRAFT PROCEEDED TO DTW AS AN ALTERNATE. MAINTENANCE PERFORMED OPS CHECK, COULD NOT DUPLICATE. CLEANED AND LUBED UPLOCK ACTUATOR AND ROLLER. ALL CHECKS GOOD.SDR AU980194Side Brace · cracked(AUS) RH MAIN LANDING GEAR FORWARD SIDE BRACE CRACKED. FOUND DURING INSPECTION IAW AD/PA31/114 AMDT3.SDR AU980166Side Brace · cracked(AUS) LH MAIN LANDING GEAR FORWARD SIDE BRACE CRACKED. FOUND DURING INSPECTION IAW AD/PA31/114 AMDT3.SDR COMA9860036Valve · malfunctionHAD TO CYCLE LANDING GEAR TWICE TO GET NLG DOWN AND LOCK. REPLACED THE NLG PRIORITY VALVE.SDR 98ZZZX709Torque Tube · failedGOOD BANG HEARD WHEN LANDING GEAR SELECTED UP. RIGHT GEAR DID NOT RETRACT. RIGHT GEAR COLLAPSED ON LANDING. INVESTIGATION REVEALED RIGHT TORQUE TUBE RETRACT BELLCRANK BROKEN.SDR CALA9800142Trans Cylinder · inoperativeWHEN GEAR HANDLE WAS SELECTED DOWN ON APPROACH, THE GEAR DID NOT EXTEND ON INITIAL ATTEMPT. THE GEAR WAS CYCLED AND EXTENDED NORMALLY. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE NLG TRANSFER CYLINDER AND NLG MODULAR PACKAGE WERE REMOVED AND REPLACED IAW MM 32SDR DL72S980261Sequence Valve · crackedEXPERIENCED COMPLETE A-SYSTEM HYDRAULIC LOSS UPON GEAR RETRACTION AFTER TAKEOFF. REPLACED MAIN GEAR LOCK OPERATED SEQUENCE VALVE.SDR 98ZZZX758Drag Link · crackedDURING LANDING GEAR CLEANING AND INSPECTION, FOUND THE RT UPPER NOSE LANDING GEAR DRAG LEG CRACKED AT BOSS WHERE THE RETRACT ACTUATOR LINKAGE ATTACHES. THIS IS THE SECOND TIME SAME PART FOUND CRACKED ON LIKE AIRCRAFT WITHIN ONE YEAR. BOTH CRACKED IN SAME PLASDR NSVA980001Power Pack · failedUPON GEAR RETRACTION AFTER TAKEOFF, THE PILOTS NOTICED THE RED GEAR TRANSIT LIGHT WOULD NOT EXTINGUISH. THE PILOTS DIVERTED TO BHB. MAINTENANCE CLEANED THE GEAR SWITCHES AND SWUNG THE GEAR BUT COULD NOT DUPLICATE THE PROBLEM. THE AIRCRAFT WAS RELEASED FOR ASDR MWEA98136Solenoid Valve · inoperativeALT GEAR PUMP INOP DEFFERED PER MEL 29-7B, A/C REROUTED TO MKE FOR REPAIRS. MAINTENANCE REMOVED AND REPLACED LT ALT GEAR PUMP SOLENOID VALVE.SDR AALA980224Strut · iced upORY - FLT 0146 - DURING APPROACH ORY, LANDING GEAR HANDLE SELECTED DOWN, NOSE LANDING GEAR FAILED TO INDICATE SAFE. CREW CYCLED GEAR AND THE UNSAFE MESSAGE EXTINGUISHED. AIRCRAFT LANDED ORY WITHOUT INCIDENT. INSPECTION FOUND DRAG STRUT COVERED IN ICE. STRUSDR AALA980218Reducer Vlv · defectiveORD - FLT 247 - DURING APPROACH ORD, LANDING GEAR SELECTED DOWN, LEFT AND RIGHT MAIN GEAR EXTENDED SLOWLY CAUSING A LANDING GEAR UNSAFE MESSAGE TO ILLUMINATE. BEFORE LANDING CREW GOT THREE GREEN DOWN AND LOCK LIGHTS AND THE AIRCRAFT LANDED ORD WITHOUT FURTHERSDR HEEA0012655Valve · leakingPRIORITY VALVE LEAKING.SDR HEEA0012654Valve · leakingPRIORITY VALVE LEAKING.SDR 98ZZZX1023Roll Pin · failedROLL PIN BACKED OUT OF GEAR CONTROL VALVE AT GEAR UP SELECTION, NO FURTHER GEAR SELECTION WAS POSSIBLE AT THIS TIME. CESSNA PARTS SHEET SHOWS AFFECTED PIN (ITEM NR 27). SUBMITTER RECOMMENDS GEAR POWER PACK SELECTOR ROLL PINS BE SAFETIED AND CHECKED EACH ANNUSDR RAIA980128Release Valve · trippedSTL - FLT 7372 - GEAR WOULD NOT RETRACT WHEN SELECTED UP. RESET LANDING GEAR CONTROL RELEASE VALVE. (M)SDR P5CA9800048Actuator · leakingNR 4 HYDRAULIC SYSTEM FLUID LOSS TO 1.6 GALLONS. DECLARED EMERGENCY TO PROVIDE TIME FOR ABNORMAL PROCEDURES. EMERGENCY TERMINATED AFTER LANDING ALL SYSTEMS FUNCTIONED NORMAL. FOUND RIGHT WING POSITIONING ACTUATOR LEAKING. REPLACED PER BOEING M/M 32-11-20.SDR AALA980212Unit · defectiveDFW - FLT 885 - DURING TAKEOFF ATL-DFW WHEN LANDING GEAR RETRACTED, GEAR DID NOT RETRACT. OVERRIDE TRIGGER WAS USED AND GEAR RETRACTED NORMALLY. ABNORMAL PROCEDURES FOLLOWED FOR ENTIRE FLIGHT AND AIRCRAFT LANDED DFW WITHOUT INCIDENT. REPLACED LANDING GEAR ASDR USAAD98016Cylinder · failedCTL - FLT 369 - ON APPROACH, THE NOSE GEAR UNSAFE LIGHT ILLUMINATED WHEN THE LANDIG GEAR WAS LOWERED. THE FLT CREW RECYCLED THE GEAR BUT THE LIGHT REMAINED. THE FLT CREW THEN PULLED THE MANUAL GEAR RELEASE LEVER IN THE COCKPIT. THE FLIGHT LANDED WITHOUT INCSDR ABXA9800039Cylinder · defectiveDURING CLIMBOUT, RED LANDING GEAR UNSAFE LIGHT ILLUMINATED. LEFT MAIN LANDING GEAR INDICATED UNLATCHED. RECYCLED LANDING GEAR, NO HELP. LANDING WAS UNEVENTFUL. REPLACED LEFT MAIN LANDING GEAR UPLATCH MECHANISM CYLINDER IAW DC8 MM 32-31-3, OPS CHECKED GOOD.SDR PCAA9800701Pseu · malfunctionedUPON APPROACH INTO PHL, THE LANDING GEAR DID NOT EXTEND WHEN SELECTED DOWN. CREW PERFORMED GO AROUND AND THEN GEAR EXTENDED NORMALLY. MAINTENANCE TROUBLESHOT SYSTEM, COULD NOT DUPLICATE PROBLEM. REMOVED AND REPLACED PSEU AS A PRECAUTION. A/C RETURNED TO SESDR AU980181Landing Gear · failed(AUS) LANDING GEAR FAILED TO RETRACT. SYSTEM WORKED NORMALLY DURING GROUND CHECKS WHEN FOLLOWING RESETTING OF THE EMERGENCY EXTENSION SYSTEM. SUSPECT CAUSED BY MOVEMENT OF THE EMERGENCY EXTENSION HANDLE DURING MAINTENANCE.
Back to JASC 3230