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 99ZZZX1201Relay · malfunctionedLANDING GEAR RETRACT MOTOR C/B TRIPPED AFTER TAKEOFF. LANDING GEAR MANUALLY EXTENDED TO DOWN AND LOCKED POSITION. INVESTIGATION SHOWED THAT LANDING GEAR DYNAMIC BRAKE RELAY HAD CONTACT POINTS FUSED TOGETHER TO ALLOW POWER TO BE APPLIED TO MOTOR CONSTANTLY. SDR CA990308025Selector Valve · failed(CAN) ON APPROACH ,THE LANDING GEAR DISAGREE MESSAGE ON. AFTER THREE ATTEMPTS TO LOWER GEAR WITHOUT SUCCESS, AN ALTERNATE GEAR SELECTION WAS SUCCESSFULLY CARRIED OUT. AIRCRAFT LANDED OK. SELECTOR VALVE REPLACED.SDR REXA99004Retract Mech · malfunctionedLANDING GEAR WOULD NOT COME DOWN, YELLOW INTRANSIT LIGHT ONLY. NO GEAR LIGHTS. RESET CB M5, AND F7. PERFORMED MULTIPLE GEAR SWINGS, COULD NOT DUPLICATE DISCREPANCY. (M)SDR 9900609870Pin · incorrect partNOSE LANDING GEAR DID NOT RETRACT AFTER TAKEOFF. CREW RECYCLED GEAR WITH SAME RESULTS. FLIGHT WAS RETURNED TO VPS AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND IMPROPER LOWER NOSE GEAR TORQUE LINK HINGE PIN INSTALLED. REMOVED AND INSTALLED CORRECT HINGE PISDR VTZA99018Retract Mech · malfunctionedFLT 7710 - DAY-IAD - DURING TAKEOFF, EXPERIENCED A PROBLEM WITH THE LANDING GEAR NOT RETRACTING. FLIGHT CREW DECLARED AN EMERGENCY AND RETURNED TO DAY. AIRCRAFT LANDED WITH NO PROBLEM. MAINTENANCE CONTROL WAS NOTIFIED AND AIRCRAFT MAINTENANCE WAS DISPATCHED. SDR AALA990250Solenoid · defectiveORD - DURING OVERNIGHT CHECK, MAIN LANDING GEAR DOORS WOULD NOT RETRACT. REPLACED ANTI-RETRACTION SOLENOID. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)SDR 99ZZZM236Power Pack · failedFLT 9332 - EYW-TPA - LANDING GEAR CIRCUIT BREAKER POPPED IN FLIGHT. RESET AND POPPED AGAIN. EXTENDED GEAR VIA ALTERNATE GEAR EXTENSION PROCEDURES. REPLACED POWER PACK MOTOR. PERFORMED SATISFACTORY LANDING GEAR RETRACTION/EXTENSION CHECKS. (M)SDR 99ZZZX1075Retainer · missingRETAINER MISSING ON OUTBOARD SIDE OF BUSHING PN 0541202-4 ON LEFT MAIN LANDING GEAR.SDR 99FDEA00074Lock Actuator · inopRT MAIN GEAR DID NOT RETRACT. JACKED A/C PER MM 07-11-00-2 AND SWING LANDING GEAR PER MM 32-31-00-5. REMOVED AND REPLACED RT MAIN LANDING GEAR DOWNLOCK CYLINDER ASSY PER MM 32-33-02-4. REMOVED AND REPLACED RT RESTRICTOR ASSY PER MM 32-33-01-4.SDR BJNA990201Actuator · failedNOSE GEAR WOULD NOT RETRACT. REMOVE AND REPLACED NOSE GEAR LOCK ACTUATOR PER BMM 32-33-21. (M)SDR AU990745Pin · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT PIN CRACKED. FOUND DURING MAGNETIC PARTICLE INSPECTION. CRACK LENGTH 9.525 MM (0.375 INCH).SDR AU990744Pin · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT PIN CRACKED. FOUND DURING MAGNETIC PARTICLE INSPECTION. CRACK LENGTH 76.2 MM (3 INCHES).SDR AU990743Pin · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT PIN CRACKED. FOUND DURING MAGNETIC PARTICLE INSPECTION. CRACK LENGTH 9.525 MM (0.375 INCH).SDR AU990742Pin · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT PIN CRACKED. FOUND DURING MAGNETIC PARTICLE INSPECTION. CRACK LENGTHS 15.875 MM AND 4.762 MM (0.625 INCH AND 0.187 INCH).SDR AU990741Pin · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT PIN CRACKED. FOUND DURING MAGNETIC PARTICLE INSPECTION. CRACK LENGTH 15.875 MM (0.625 INCH).SDR AU990740Pin · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT PIN CRACKED. FOUND DURING MAGNETIC PARTICLE INSPECTION. CRACK LENGTHS 19.05 MM AND 12.7 MM.SDR AU990739Pin · cracked(AUS) NOSE LANDING GEAR RETRACTION JACK ATTACHMENT PIN CRACKED. FOUND DURING MAGNETIC PARTICLE INSPECTION. CRACK LENGTH 19.05 MM (0.75 INCH).SDR 99FDEA00066Bungee Cylinder · failedLEFT MAIN GEAR UNSAFE WARNING SWAP LML BUNGEE CYLINDER WITH RML. REPLACED RML BUNGEE CYLINDER PART FLOWN IN FROM SIN. REMOVED AND REPLACED ABOVE PER MM 32-33-02-04. BLED NR 3 HYD SYS USING NR 3 AUX PUMP. GREASED LMG PIVOT POINTS, CYCLE GEAR 10 TIMES PER MM SDR MALA976356Relay · failedDURING FLIGHT, GEAR WOULD NOT COME DOWN WHEN SELECTED. CREW PERFORMED EMERGENCY EXTENSION. LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED RELAY AND RELAY SOCKET 156A, ALL CHECKS GOOD.SDR 99ZZZM218Pin · not removedDEPARTED MBJ, NOSE GEAR WOULD NOT RETRACT. DUMPED APPROX 40,000 LBS OF FUEL AND LANDED WITHOUT FURTHER INCIDENT. AT RETURN TO MBJ, NOSE GEAR DOWNLOCK PIN WAS FOUND INSTALLED. REMOVED PIN AND RETURN AIRCRAFT TO SERVICE. (M)SDR 99ZZZM211Retract Mech · lack of lubeFLT 620 - DTW - NOSE GEAR FAILED TO EXTEND ON FIRST TWO ATTEMPTS, THIRD ATTEMPT GEAR EXTENDED NORMALLY. FOUND NOSE GEAR DRY. LUBED GEAR AND THEN SWUNG NOSE GEAR FIVE TIMES WITH LUBE BETWEEN EACH SWING. NOSE GEAR EXTENSION AND RETRACTION NORMAL. (M)SDR EISA99026Rod · looseSEVERE VIBRATION IN FLIGHT. RETURNED TO EDI. ON POST FLIGHT WALK AROUND FOUND REAR AFT CARGO DOOR OPEN. VISUAL INSPECTION OF AFT CARGO DOOR REVEALED INTERNAL HANDLE AND ROD LOOSE, DOOR LOCKS CONFIRMED OPERATIONAL. RESECURED DEACTIVATION BAR IAW MM 52-35-51SDR C2XA99BT005Connector · dirtyFLT 4084 - CREW REPORTED 'UNABLE TO RAISE GEAR'. MAINTENANCE CLEANED LGEU CANNON PLUGS. PERFORMED SEVERAL GEAR RETRACTIONS AND EXTENSIONS OPERATIONAL, TESTED SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. ACFT TT: 1,862.1 HOURS. ACFT CYCLES: 1,787. (X)SDR RRXA991079Bore · oversizedDURING A MAINTENANCE VISIT FOUND BORE OVERSIZED, MAIN LANDING GEAR LINK BORE, AND HAS ONE LOCATION OF LOCAL BLENDING. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED REPAIR BUSHINGS IAW FAA APSDR 99FDEA00056Switch · inoperativeNO NOSE GEAR IND IN DIM POS WHEN SEL GEAR DOWN. REMOVED AND REPLACED S96 NOSE LANDING GEAR LOCK SWITCH REF THE FX72ING GEAR LOCK PINS.SDR CALA9900119Valve · inopTHE LT MLG INADVERTENTLY DEPLOYED IN FLIGHT AFTER DEPARTING IAH. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE LG CONTROL VALVE IAW MM 32-31-61, PAGE 401. LEAK AND OPERATIONAL CHECKS WERE GOOD. A LESDR CA990223002Bolt · broken(CAN) AFT DRAG LINK BOLT FOUND WITH THE BOLT HEAD SHEARED OFF. SUBMITTER STATED THIS IS THE SECOND ONE FOUND IN 200 HOURS ON THE SAME AIRCRAFT.SDR USAAD99021Retract Mech · lack of lubePHL-PWM - FLT 2225 - DURING APPROACH THE NOSE LANDING GEAR DID NOT EXTEND WHEN THE GEAR HANDLE WAS LOWERED UNTIL THE ALTERNATE EXTENSION HANDLE WAS OPERATED. THE AIRCRAFT THEN LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE NOSE LANDING GEAR ASSEMBLY AND SDR 99ZZZX972Bearing · failedLANDING GEAR RETRACTED NORMALLY AFTER TAKEOFF. ON RETURN, LANDING GEAR FAILED TO EXTEND. PILOT TRIED TO LOWER GEAR USING THE EMERGENCY PROCEDURES OUTLINED IN PILOT HANDBOOK, EXTENSION HANDLE WOULD NOT ENGAGE THE ACTUATOR WORM GEAR SHAFT. THE 5201K BEARING HSDR 99FDEA00046Trim Cylinder · failedLT MAIN GEAR DID NOT RETRACT. REMOVED AND REPLACED LT MAIN GEAR BEAM TRIM CYLINDER FOR MX PREVENTION PER MM 32-37-01-4. LEAK CK COND NORMAL. CANNIBALIZED TRIM CYLINDER FROM AC 617.SDR 99FDEA00045Retract Mech · malfunctionedLANDING GEAR WOULD NOT EXTEND, ALL LIGHTS STAYED RED, FRONT AND BACK PANEL. RAN CKLIST OK. *S/D* REMOVED AND REPLACED LANDING GEAR SEL VALVE PER DC10-30 MM 32-31-03-2, RIGGED CABLES BETWEEN LANDING GEAR CONTROL HANDLE AND SEL VALVE PER DCN -30 MM 32-31-01-5SDR GAIA9914Switch · out of adjustKHA - FLT 184 - PIT-CVG - AFTER TAKEOFF THE FLIGHT CREW WAS UNABLE TO RETRACT THE LANDING GEAR USING NORMAL PROCEDURES. THE GEAR WAS RETRACTED AND EXTENDED USING COCKPIT OPERATIONS MANUAL PROCEDURES. THE AIRCRAFT MADE AN UNEVENTFUL LANDING AT CVG. THE AIRCRSDR GAIA9913Connector · failedKHA - FLT 184 - PIT-CVG - AFTER TAKEOFF THE FLIGHT CREW WAS UNABLE TO RETRACT THE LANDING GEAR USING NORMAL PROCEDURES. THE GEAR WAS RETRACTED AND EXTENDED USING COCKPIT OPERATIONS MANUAL PROCEDURES. THE AIRCRAFT RETURNED TO PIT AND MADE AN UNEVENTFUL LANDINSDR C2XA99IA128Valve · inoperativeIAH - FLT 3738 - THE CREW REPORTED THE LANDING GEAR WOULD NOT RETRACT. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT, WHERE MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR CONTROL VALVE. THE AIRCRAFT WAS THEN APPROVED FOR RETURN TO SERVICE.SDR 9900419878Retract Mech · malfunctionedDURING APPROACH INTO ATL, NOSE LANDING GEAR GREEN LIGHT DID NOT ILLUMINATE AFTER GEAR EXTENSION. CREW RECYCLED GEAR WITH SAME RESULTS. EMERGENCY GEAR EXTENSION PROCEDURES WERE UTILIZED AND AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED FUNCTIONAL CSDR SWIA971407Valve · out of adjustWHEN GEAR HANDLE WAS RETRACTED ALL 12 LIGHTS (RED AND GREEN) ILLUMINATED, EXCEPT RED LEFT A CIRCUIT LIGHT. GEAR WOULD NOT RETRACT, COULD NOT DUPLICATE PROBLEM ON GROUND. ADJUSTED RIGHT MAIN GEAR DOOR SEQUENCE VALVES. REMOVED AND REPLACED GEAR SELECTOR FOR TSDR SWIA971399Retract Mech · iced upGEAR WOULD NOT EXTEND USING NORMAL PROCEDURES. CYCLED 3 TIMES TO GET THE GEAR DOWN AND LOCKED. DEICED NOSE GEAR AND CYCLED LANDING GEAR SEVERAL TIMES. ALL INDICATION AND OPERATION NORMAL. ALL LOCKING MECHANISM CLEARED OF ICE.SDR MASA99018Relay · failedFLT 5999 - MBS-PIT - ON APPROACH TO PIT, THE GEAR WOULD NOT EXTEND. THE LANDING GEAR CIRCUIT BREAKER POPPED AND THE CREW RESET THE GEAR AND THE CIRCUIT BREAKER POPPED AGAIN. CREW MANUALLY EXTENDED THE GEAR AND RECEIVED A NORMAL INDICATION. EMERGENCY EQUIPMESDR MALA976332Retract Mech · malfunctionedAFTER TAKEOFF FROM DTW, THE RIGHT MAIN GEAR DID NOT FULLY RETRACT, RIGHT GEAR INTRANSIT LIGHT AND GEAR HANDLE REMAINED ILLUMINATED. CYCLED GEAR TWICE WITH SAME INDICATIONS. AFTER 2ND ATTEMPT THE LEFT MAIN UNSAFE LIGHT REAIMED LIT FOR 15-20 SECONDS, THEN WENTSDR 99ZZZX1404Motor · failedAIRCRAFT WAS ON APPROACH FOR LANDING. THE CONTROL TOWER REPORTED SEEING THREE LANDING GEAR IN THE DOWN POSITION. UPON TOUCHDOWN, THE LANDING GEAR COLLAPSED. THE LINK/RETRACTING MOTOR WHICH IS A 12 INCH ROD ATTACHING THE GEAR MOTOR TO THE GEAR TRAIN, FAILED UNSDR 20000714SH014Bellcrank · brokenRIGHT INBOARD GEAR DOOR FAILED TO CLOSE AFTER GEAR EXTENSION. (X)SDR EISA99022Mechanism · out of adjustAFTER TAKEOFF AND RAISING GEAR AIRCRAFT GROUND SHIFT MECHANISM NEVER WENT TO FLIGHT MODE, FOLLOWED PROCEDURES AND RETURNED TO AEX. ADJUSTED GROUND SENSING MECHANISM IAW DC-9 MM 32-23-1. OPS CHECK NORMAL. (M)SDR 99ZZZX1036Bushing · damagedDURING A ROUTINE INSPECTION OF THE AIRFRAME, THE RT MAIN LANDING GEAR BUSHING WAS FOUND DEFORMED. THE INSIDE BUSHING MATERIAL WAS PROTRUDING FROM THE EDGE OF THE BUSHING. THE BUSHING WAS FURTHER INSPECTED AFTER REMOVAL FOR THE AIRCRAFT AND CONTAINED STRESS CSDR 9900319981Pulley · dirtyAFTER TAKEOFF, GEAR HANDLE WOULD NOT GO TO UPLATCH POSITION OR DOWN POSITION. CREW UTILIZED EMERGENCY GEAR EXTENSION PROCEDURES AND FLIGHT WAS RETURNED TO DTW. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED LANDING GEAR CONTROL LEVER AND FOUND DEBRSDR SIMA990292Retract Mech · malfunctionedBPT - FLT 3876 - CAPTAIN REPORTED THE GEAR WOULD NOT EXTEND, GOT INTRANSIT LIGHT ONLY. TRIED TWICE AND ON THE THIRD TIME IT WORKED. LANDED SAFELY, BUT HAD ALREADY DECLARED AN EMERGENCY. CIRCUIT BREAKER F7 (LANDING CONTROL) POPS WHEN SELECTING GEAR DOWN. DESDR CA990310009Valve · failed(CAN) LANDING GEAR DID NOT EXTEND WHEN SELECTED, ALTERNATE SYSTEM USED. LANDING GEAR SOLENOID VALVE REPLACED.SDR 99ZZZX2235Tube · corrodedP/N 25720-00 TUBE CORRODED TO P/N 21038-07 BUSHING, MOTOR RELEASE TUBE, CAUSING NO SLIDING ACTION FOR DISENGAGEMENT OF P/N 26542-00 LOCK ASSY, LANDING GEAR SAFETY.SDR USAAD99015Cylinder · failedCLT-CMH - FLT 450 - DURING APPROACH THE NOSE LANDING GEAR WOULD NOT EXTEND USING NORMAL PROCEDURES. THE EMERGENCY GEAR EXTENSION LEVER WAS USED TO EXTEND THE NOSE LANDING GEAR. MAINTENANCE REPLACED THE NOSE LANDING GEAR BUNGEE CYLINDER. (M)SDR DHL99724002Valve · crackedDURING GEAR RETRACTION EXPERIENCED COMPLETE HYDRAULIC FLUID LOSS OF A SYSTEM. FOUND LEFT MAIN GEAR LOCK OPERATION SEQUENCE VALVE CRACKED. REMOVED AND REPLACED VALVE PER MM 32-32-31, OPS CHECK GOOD.SDR CA990219024Sensor · failed(CAN) LEFT MLG DOOR PROXIMITY SWITCH NR 39GA FAILED.
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