JASC 3230
Service difficulty reports · 11,181
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 USAA950602Actuator · out of adjustPIT - FLT 0753 - UPON GEAR RETRACTION, CREW RECEIVED AN INDICATION THAT THE RIGHT MAIN GEAR WAS NOT RETRACTED. FLIGHT RETURNED TO PIT. MAINTENANCE ADJUSTED THE DOWNLOCK ACTUATOR. (M)SDR SIMA951641Selector Valve · failedDFW - FLT 3810 - LANDING GEAR FAILED TO EXTEND WHEN SELECTED. EMERGENCY EXTENSION WAS SELECTED AND THE GEAR EXTENDED. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. REMOVED AND INSPECTED GEAR SELECTOR VALVE. OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)SDR COM11918Relay Box · defectiveSTRONG VIBRATION FROM NLG AREA AFTER TAKEOFF. FOUND LANDING GEAR DOORS REMAINED OPEN AFTER GEAR RETRACTION. REPLACED LANDING GEAR RELAY BOX.SDR C2XA95CL093Rod End · worn outFLT NR 3150 - DTW-CLE - AFTER TAKEOFF LANDING GEAR SELECTED UP, LEFT MAIN GEAR REMAINED DOWN, LANDING GEAR RED 'A' AND 'B' LIGHTS ILLUMINATED. RETURNED TO DTW. MAINTENANCE INSPECTED AND RELEASED FOR FERRY FLIGHT TO CLE. IN CLE MAINTENANCE REMOVED AND REPLACSDR 95ZZZX3588Emergency Ext · jammedDURING 100 HOUR INSPECTION, FOUND EMERGENCY GEAR EXTENSION SYSTEM PARTIALLY JAMMED. FURTHER INVESTIGATION REVEALED LOWER STOP PIN BROKEN OUT OF FRAME ALLOWING SECTOR GEAR TO PARTIALLY DISENGAGE ITS MATING GEAR AND JAM. THIS COULD PREVENT GEAR EXTENSION IN ANSDR 95ZZZX3377Retract Pin · shearedKDAY/KRDU - FLT 028 - ON TAKEOFF ROLL AT KDAY, AIRCRAFT YAWED TO LEFT. ON GEAR RETRACTION, DOOR LIGHT AND LANDING GEAR UNSAFE LIGHT STAYED ON ALONG WITH RT ALT GEAR DOOR LIGHT. GEAR PLACED DOWN AND ALL INDICATIONS WERE NORMAL. RETURNED TO KDAY. MAINTENANCESDR DLM88952816Spring · brokenAFTER TAKEOFF, HAD NOSE GEAR UNSAFE LIGHT WITH GEAR HANDLE UP. NOSE GEAR FAILED TO RETRACT INITIALLY, AFTER ABOUT 10 MIN NOSE GEAR DID FINALLY RETRACT WITH A LOUD BANG. FOUND THE RIGHT RETRACT SPRING ASSEMBLY BROKEN. REPLACED SPRING, OPERATION NORMAL.SDR 95ZZZX3809Rod End · failedFORWARD DOWNLOCK EAR FAILED ON LANDING, AS WELL AS NAS-464P4-26 BOLT SHEARED AT HEAD AND ROD END FITTING FAILED IN THREADED AREA, PN 0841111-1, LEFT MAIN GEAR FOLDED ON LANDING CAUSING DAMAGE TO LEFT FLAP, LEFT OUTER WING TIP, LEFT PROPELLER AND ENGINE.SDR 95ZZZX3544Uplock Actuator · dirtyORF/DCA - FLT 3144 - LEFT MAIN GEAR DID NOT BEGIN TO EXTEND UNTIL NOSE AND RIGHT MAIN WERE DOWN AND LOCKED. EXTENSION WAS SLOW ONCE STARTED. THE AIRCRAFT CONTINUED INTO DCA AND LANDED WITHOUT INCIDENT. CLEANED RESTRICTOR ON UPLOCK ACTUATOR AND OPERATIONAL CSDR 95ZZZX3540Uplock Act · failedPHL/DCA - FLT 3095 - ON APPROACH, THE LEFT MAIN GEAR WOULD NOT EXTEND, RELEASED GEAR MANUALLY. THE AIRCRAFT CONTINUED INTO DCA AND LANDED WITHOUT INCIDENT. REMOVED AND REPLACED THE NR 1 UPLOCK ACTUATOR AND REAMED THE LOWER BUSHING IN THE UPPER DRAG STRUT. ASDR ABXA9500534Control Valve · defectiveRIGHT MAIN LANDING GEAR UNSAFE LIGHT REMAINED ILLUMINATED ENTIRE TRIP. DURING UPLATCH CHECK GEAR DOOR OPEN LIGHT ILLUMINATED, GEAR WAS RECYCLED. REPLACED LANDING GEAR CONTROL VALVE IAW DC-9 MM 32-32-1 PAGES 201 TO 205. SYSTEM OPS CHECKED GOOD IAW DC-9 MM 32SDR 95ZZZX3205Torque Tube · brokenPILOT REPORTED NO GREEN ON RT MLG. INSPECTED RT MLG AND FOUND TORQUE TUBE BROKEN AWAY AT PUSH/PULL ROD ATTACH POINT. PUSH/PULL TUBE SEVERED (PN 0840125-15). UPLOCK PUSH/PULL TUBE (PN 0841121-1) WAS BENT. REPLACED ALL PARTS WITH NEW. TOTAL TIME UNKNOWN. HSDR 95UAL757019Lock Pin · installedUNABLE TO RAISE NOSE GEAR WHEN GEAR RETRACTED. REMOVED DOWNLOCK PIN FROM NOSE LANDING GEAR.SDR CAL950465Switch · inoperativeFLT NR 0608 - BOS - THE LANDING GEAR DID NOT RETRACT AFTER TAKEOFF AND WAS ACCOMPANIED BY AN INTERMITTENT WARNING HORN. OVERRIDE WAS EMPLOYED AND THE GEAR RETRACTED. THE AIRCRAFT RETURNED TO BASE THE DAY BEFORE FOR THE LANDING GEAR NOT RETRACTING, BUT TROUBLSDR 95ZZZX3645Bellcrank · brokeIDLER BELLCRANK BROKE FOR REASONS UNKNOWN AT THIS TIME.SDR 95ZZZX3644Bellcrank · brokeIDLER BELLCRANK BROKE FOR REASONS UNKNOWN AT THIS TIME.SDR 95ZZZX3503Bungee Arm · crackedFOUND BUNGEE ARMS CRACKED IN RADIUS FOR RETAINING PIN UPON REMOVAL. THIS WAS THE THIN WALL AREA.SDR 95ZZZX3483Taper Pin · shearedUPON SELECTING GEAR DOWN, THE LEFT MAIN GEAR DANGLED IN AN INTERMITTENT POSITION. ALL ATTEMPTS TO DOWN AND LOCK THE LEFT GEAR WERE UNSUCCESSFUL. RT MAIN AND NOSE DOWN AND LOCKED NORMALLY. AIRCRAFT LANDED WITH RT MAIN AND NOSE GEAR DOWN. DAMAGE TO BOTH LEFTSDR 95ZZZM188Dnlock Actuator · failedON APPROACH INTO DAYTON, THE NOSE LANDING GEAR GREEN LIGHT DID NOT ILLUMINATED ON GEAR EXTENSION. PERFORMED MANUAL GEAR EXTENSION AND ALL GEARS INDICATED DOWN AND LOCKED. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. REPLACED THE NOSE GEAR DOWNLOCK ACTUATOR, OPSDR AWXA9500351Link · corrodedPHX - DURING C4 INSPECTION, FOUND FORWARD TRUNNION LINK CORRODED AT BUSHING ATTACH POINTS. INSTALLED NEW TRUNNION LINK PER AWA TASK CARD R4M32018, STEP 2H. (M)SDR AWXA9500350Universal Link · corrodedPHX - DURING C4 INSPECTION, FOUND UNIVERSAL LINK ASSEMBLY CORRODED ON INBOARD FACE OF INBOARD LUG OF SIDE BRACE ATTACH LUGS. REMOVED AND REPLACED UNIVERSAL LINK ASSY PER MM 32-11-41, PAGE 405. (M)SDR UPS203429Lock Assy · lack of lubePILOT REPORTED, NOSE GEAR FAILED TO EXTEND ON FINAL, CYCLED GEAR PER AOM AND GEAR OPERATED NORMAL. CLEANEDAND INSPECTED UPLOCK ASSY, LUBRICATED PER MM 12-21-11.SDR 95ZZZX3257Gear · malfunctionedRIGHT GEAR WILL NOT DOWN AND LOCK. JACKED AIRCRAFT, CYCLED GEAR SEVERAL TIMES, NO PROBLEM FOUND.SDR 95UAL777001Retract Mech · malfunctionedON TAKEOFF GEAR WOULD NOT RETRACT, WOULD RAISE WITH OVER RIDE SWITCH.SDR COM60492Valve · defectiveGEAR DISAGREE MESSAGE ON EICAS, NLG DID NOT DOWN LOCK. EMERGENCY PROCEDURE USED TO EXTEND LANDING GEAR. REPLACED NLG SELECTOR VALVE.SDR 95ZZZX2898Scissors · bolt brokeBOLT AT APEX OF SCISSORS SEIZED IN BOTH HALVES AND THEN BROKE UPON LANDING CAUSING A LOSS OF NOSE WHEEL STEERAGE. THIS JOINT DOES NOT HAVE GREASE FITTINGS, SO, THEREFORE, SHOULD BE OILED FREQUENTLY SO THAT THE BOLT CAN BE ROTATED EASILY.SDR SWIA95585Retract Mech · lack of lubeGEAR WOULD NOT RETRACT AFTER TAKEOFF. CHECKED SERVICING OF STRUTS, CHECKS GOOD. LUBED GEAR, ALL CHECKS GOOD ON GEAR SWING.SDR 95ZZZX5222Hose Assy · interferesTHE PILOT NOTIFED DURING A LANDING SEQUENCE WHEN THE GEAR LEVER WAS SELECTED DOWN, THERE WAS AN INDICATION OF AN UNSAFE NOSE GEAR. THE NOSE GEAR COLLAPSED UPON LANDING. INVESTIGATION OF THE INCIDENT REVEALED THE NOSE GEAR ACTUATOR RETRACTION PORT HOSE ASSY ISDR COM60483Retract Mech · lack of lubeNLG DISAGREE MESSAGE DURING GEAR EXTENSION. COULD NOT DUPLICATE PROBLEM, LUBRICATED NLG AND AIRCRAFT RETURNED TO SERVICE.SDR 95ZZZX3008Bearing · seizedON APPROACH FOR LANDING, LANDING GEAR WOULD NOT EXTEND ELECTRICALLY AND AN ODOR WAS NOTICED IN THE COCKPIT. THE GEAR WAS EXTENDED MANUALLY, BUT A LOUD POPPING NOISE WAS HEARD UPON EXTENSION. INSPECTION OF THE GEAR AFTER LANDING FOUND RT UPLOCK ROLLER SEIZED.SDR 95ZZZX3090Tee · scoredAIRCRAFT LOST HYDRAULIC PRESSURE IN-FLIGHT DUE TO LOSS OF FLUID. FLUID LEAK CAUSED BY CIRCUMFERENTIAL SCORING ON AN824-4-D TEE WHERE IT CONTACTS FLARE ON END OF PN 723088-307 UPLOCK TUBE ASSY, BY GEAR SELECTOR VALVE. (REF. I.P.C. 29-10-00, FIG. 2, ITEMS 16 ASDR CAL950415Select Valve · inoperativeFLT NR 0356 - BOS - THE LANDING GEAR INADVERTENTLY REMOVED WHILE CLIMBING THROUGH 17,000 FEET WITH THE GEAR HANDLE IN THE OFF POSITION. THE GEAR HANDLE WAS MOVED TO THE UP POSITION AND THE LANDING GEAR RETRACTED. WHEN THE GEAR WAS EXTENDED FOR LANDING, EXTENSDR 95ZZZX2894Drag Brace · brokenLOUD 'BANG' HEARD DURING CRUISE FLIGHT AND RED LG WARNING LIGHT CAME ON. EXTENDED LANDING GEAR, RETURNED TO HOME AIRPORT AND LANDED NORMALLY. FOUND NOSE LANDING GEAR UPPER DRAG BRACE BROKEN IN HALF JUST FORWARD OF HYDRAULIC ACTUATOR ATTACHMENT. INSTALLED NESDR ABXA9500507Retract Mech · lack of lubeNOSE GEAR FAILED TO EXTEND ON INITIAL TRY. RECYCLED GEAR AND IT CAME DOWN ON SECOND ATTEMPT. LUBED NOSE LANDING GEAR ASSEMBLY. OPS CHECKED GOOD IAW YS-11 MM CHAPTER 32.SDR 95ZZZX4534Actuator · hose misconnectDURING INSPECTION, FOUND RIGHT MAIN GEAR ACTUATOR GEAR EXTEND AND AUXILIARY AIR HOSES CONNECTED TO WRONG PORTS. THERE ARE TWO BRANDS OF ACTUATORS USED AND THEIR PORTS ARE OPPOSITE. THE PORTS SHOULD BE IN THE SAME POSITION ON EACH BRAND OF ACTUATOR. MORE ATTSDR P5CA9500088Arm · corrodedNOSE LANDING GEAR ARM CONNECTED TO LANDING GEAR ACTUATOR IS CORRODED ON FORWARD SIDE. CORROSION REMOVED AND TREATED PER BOEING SRM 51-10-01.SDR BUFA9515Selector Valve · inopFLT BVA777 - MQY-IAB - NOSE GEAR EXTENDS NORMALLY, BUT BOTH MAIN GEARS WOULD NOT EXTEND. EMERGENCY GEAR EXTENSION USED. NO EMERGENCY DECLARED. REMOVED AND REPLACED MLG SELECTOR VALVE IAW MM 4-21-127. NO JACKS AVAILABLE IAB FOR GEAR SWING. FERRY FLIGHT TO SDR 95ZZZX2954Rod End · brokeLOWER ROD END ON DOWNLOCK BROKE AT BASE OF SHAFT ALLOWING RIGHT MAIN LANDING GEAR TO COLLAPSE ON LANDING.SDR 9508226625Retract Mech · reqd serviceDURING CLIMB, THE RIGHT BODY GEAR TILT LIGHT ILLUMINATED AND GEAR WOULD NOT RETRACT IN BOTH PRIMARY AND ALTERNATE. CREW FOLLOWED COCKPIT OPERATING MANUAL AND PROCEEDED FOR LANDING WITHOUT FURTHER INCIDENT. MAINTENANCE BLED THE SYSTEM AND RECYCLED CIRCUIT BRESDR 9508216625Line · chafedDURING CLIMB, THE RIGHT BODY GEAR TILT LIGHT ILLUMINATED AND BOTH PRIMARY AND ALTERNATE GEAR WOULD NOT RETRACT. CREW FOLLOWED COCKPIT OPERATING MANUAL PROCEDURE AND MADE AN UNEVENTFUL LANDING IN MNL. MAINTENANCE FOUND RIGHT TILT ACTUATOR HYDRAULIC LINE CHAFESDR DL76S952238Hose · leakingAFTER TAKEOFF, RT MAIN LANDING GEAR WOULD NOT RETRACT, RETURNED MCO. FOUND RT MLG TRUCK TILT PRESSURE LINE BROKEN. REPLACED LINE OPERATION NORMAL.SDR DHL95801003Retract Mech · malfunctionedDURING UPLATCH CHECK, GEAR NOT LATCHED LIGHT CAME ON WITH RIGHT GEAR UNSAFE LIGHT ON S/O PANEL. COMPLETED ABNORMAL PROCEDURE. UPLATCH CHECK NORMAL DURING A SECOND TRY. INSPECTED GEAR, UPLATCH AND LINKAGE, PERFORMED SYSTEM TEST PER MM 32-32-5. NO DEFECTS NOSDR 95ZZZX2690Tube Assy · failedNLG MALFUNCTIONED AND WOULD NOT DOWNLOCK. SUBJECT TUBE FAILED IN COMPRESSION. AIR LOADS RESTRICTED GEAR FROM OBTAINING ADEQUATE TRAVEL TO LOCK. PILOT'S SKILLED AIRMANSHIP AT MINIMUM AIRSPEED AND MAXIMUM ANGLE OF DESCENT ALLOWED GEAR TO SWING FORWARD AND LOCSDR 95ZZZX2827Handle · brokenDURING INSPECTION OF LANDING GEAR CONTROL MODULE FOR FAA SAFETY RECOMMENDATION 94.197199, THE UPPER HALF OF THE GEAR HANDLE WAS FOUND BROKEN. NO OBVIOUS CAUSE WAS APPARENT. IT IS POSSIBLE THIS PART WAS DEFECTIVE AND BROKE PREMATURELY FROM NORMAL USE. ALL OTSDR 9508539857Door Cable · failedEN ROUTE BIS-MSP, MAIN LANDING GEAR DOOR OPEN LIGHT ILLUMINATED. FLIGHT CONTINUED TO DESTINATION AND EMERGENCY GEAR EXTENSION PROCEDURES WERE UTILIZED FOR LANDING. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED THE LEFT MAIN GEAR SEQUENCING PUSH/PULL CABLE. ALSDR CAL950392Cardfile · inoperativeFLT NR 0578 - IAH - THE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF FROM IAH. THE OVERRIDE TRIGGER WAS USED AND THE GEAR RETRACTED, BUT THE WARNING HORN SOUNDED INTERMITTENTLY. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE SDR 95ZZZX2679Breaker · failedLANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. RECYCLED SWITCH AND CHECKED CIRCUIT BREAKERS. RECYCLED HYDRAULIC CIRCUIT BREAKER AGAIN AND GEAR WENT UP WITH NO FURTHER PROBLEMS. MAINTENANCE WAS ABLE TO DUPLICATE THE PROBLEM AND CHANGED CIRCUIT BREAKER. NO FUSDR MALA954455Hook Assy · stickingFLT 3298 - ON CLIMB-OUT FROM BJI, THE NOSE GEAR CONTINUED TO CYCLE IN THE GEARWELL AFTER IT WAS RETRACTED. THE CREW RECYCLED THE GEAR UNTIL THE GEAR REMAINED UP AND LOCKED. THE AIRCRAFT CONTINUED TO MSP. MAINTENANCE REPLACED THE UPLOCK HOOK ASSY, P/N 27-520SDR SIMA951332Relay · failedMLI - FLT 4185 - DURING DESCENT MLG WOULD NOT EXTEND BY NORMAL MEANS. CREW USED EMERGENCY EXTENSION AND LANDED WITHOUT INCIDENT. THE LANDING GEAR WAS DEFERRED PER MEL 32-03 AND FLOWN TO ORD. INSPECTION REVEALED THE DOWN RELAY 14GA BAD. THE RELAY WAS REPLACESDR COM11888Solenoid Valve · defectiveWHEN LANDING GEAR RETRACTED, THE L/T MLG INTRANSIT INDICATORS REMAIN ON. REPLACED THE LANDING GEAR SOLENOID VALVE.
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