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.

SDR 96ZZZX4897Hyd Power Pack · malfunctionedHON - LANDING GEAR WILL NOT RETRACT. MAINTENANCE REMOVED AND REPLACED DC MOTOR AND HYDRAULIC POWER PACK. REFERENCE: OPERATOR CONTROL NR GLBA96183.Aug 30, 1996 · N123UE · Beech 1900CSDR 9618966603Dnlock Act · malfunctionedDURING APPROACH, THE LEFT WING LANDING GEAR UNSAFE LIGHT ILLUMINATED. FOLLOWED COCKPIT OPERATING MANUAL PROCEDURES AND PERFORMED A TOWER FLY-BY. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED THE LEFT WING GEAR DOWNLOCK ACTUATOR, OPERATIONAL CHECK GOOD.Aug 30, 1996 · N603US · Boeing 747151SDR TAOA089612Uplock Sensor · inoperativeRIGHT MAIN GEAR UNSAFE LIGHT CAME ON DURING GEAR EXTENSION, LIGHT WENT OUT UNDER 160 KTS. VISUAL INDICATION CONFIRMED GEAR DOWN AND LOCKED. REPLACED RIGHT UPLOCK SENSOR PER 32-61-01, OPERATIONAL CHECKED NORMAL PER MM CHAPTER 32-61-81. (M)Aug 28, 1996 · N925TS · Boeing 727227SDR COMA9610266Control Box · malfunctionWHEN LANDING GEAR SELECTED DOWN, THE INDICATION WAS BOTH DOWN LOCK GREEN AND RED UNSAFE AT THE SAME TIME. REPLACED THE LANDING GEAR CONTROL BOX.Aug 28, 1996 · N267CA · Emb EMB120RTSDR CA960910007Rod End · cracked(CAN) DURING MAIN LANDING GEAR MAINTENANCE THE RIGHT HAND MLG ROD END WAS FOUND CRACKED. FURTHER INSPECTION FOUND THE LEFT HAND ROD END WAS ALSO CRACKED. BOTH ROD ENDS WERE CRACKED IN THE THREADED PORTION. THE SUBMITTER STATES THAT THIS ITEM IS DIFFICULT TO INAug 28, 1996 · Piper PA31SDR 96ZZZX5032Torque Tube · crackedDURING FLIGHT, PILOT NOTED THE ACFT SEEMED SLOWER AND YAWING TO THE LEFT. FLYBY INDICATED THE LEFT MAIN LANDING GEAR WAS DOWN WHILE THE RT AND NOSE WERE RETRACTED GEAR. SELECTED DOWN, ALL THREE INDICATED DOWN AND LOCKED. ACFT LANDED AT MAINTENANCE BASE WITHAug 27, 1996 · N7872Q · Cessna 310QSDR 96ZZZX4753Uplock Hook · crackedUPLOCK HOOK FOUND CRACKED AFTER GEAR WOULD NOT RETRACT AND REMAIN IN UPLOCK. ALSO, FOUND P/N 5141204-3, CRACKED AT FORWARD BLOCK ATTACH HOLE. HOOK CRACKED AT RADIUS OF MLG RETAINING CUT OUT. UNABLE TO DETERMINE IF DAMAGE OCCURRED UPON LAST EXTENSION OR RETRAug 27, 1996 · N26635 · Cessna 414ASDR C2XA96CL020Pc Board · faultedCLE - FLT 3102 - CREW REPORTED LANDING GEAR HANDLE WOULD NOT GO INTO RETRACT POSITION WITHOUT USING DOWNLOCK RELEASE BUTTON. MAINTENANCE INSPECTED AND RELEASED ACFT IAW B1900D MEL NR 32-8, CONTROL NR 89516. ON 8-28-96, MAINTENANCE REMOVED AND REPLACED THE PRAug 26, 1996 · N49543 · Beech 1900DSDR 9618799931Retract Mech · out of adjustDURING APPROACH, LANDING GEAR DOOR OPEN LIGHT REMAINED ON AFTER GEAR WAS EXTENDED. GO-AROUND PROCEDURES WERE EXECUTED AND TOWER VISUALLY CONFIRMED THAT GEAR WAS DOWN AND THAT DOORS APPEARED CLOSED. EMERGENCY GEAR EXTENSION PROCEDURES WERE UTILIZED AND AIRCRAAug 26, 1996 · N90S · Doug DC931SDR VTZA96323Lock Down Pin · not removedFLT 6203 IAD - MHT - RETURNED TO IAD DURING CLIMB AFTER EXPERIENCING AN UNRESPONSIVE NOSE GEAR RETRCTION SCENARIO. AIRCRAFT DECLARED AN EMERGENCY AND RETURNED TO IAD AND THE GATE. MAINTENANCE FOUND THAT THE RAMP PERSONNEL HAD NOT COMPLIED WITH THE PROCEDURESAug 25, 1996 · N302UE · Jetair JETSTM4101SDR 9618539931Valve · malfunctionedDURING APPROACH, THE LANDING GEAR DOOR OPEN LIGHT REMAINED ON AFTER GEAR WAS EXTENDED. GO-AROUND PROCEDURES WERE EXECUTED AND GEAR WAS RECYCLED. DOOR OPEN LIGHT STAYED ON, EMERGENCY GEAR EXTENSION PROCEDURES WERE UTILIZED AND A SUCCESSFUL LANDING WAS ACCOMPLAug 25, 1996 · N90S · Doug DC931SDR AWXA960400Sensor · inoperativeLAS - FLT 916 - AIR TURN BACK, LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. FOUND AIR SAFETY GAP NOT PER BMM. REPLACED SENSOR S106 AND ADJUSTED AND TESTED PER MM, OPS GOOD. (M)Aug 20, 1996 · N167AW · Boeing 73733ASDR SRAA960808Retract Mech · malfunctionedON APPROACH, LEFT MAIN LANDING GEAR WOULD NOT EXTEND, DIVERTED TO FAI AND PREPARED TO HAND CRANK THE LANDING GEAR ON APPROACH. LOWERED GEAR HANDLE AND ALL GEARS CAME DOWN AND LOCKED NORMALLY. ACCOMPLISHED LANDING WITHOUT INCIDENT AND ITEM IS UNDER INVESTIGATAug 19, 1996 · N921SJ · Lkheed 382GSDR MZZA96065Prox Sensor · failedFLT 876 - MNL - AFTER TAKEOFF, UNABLE TO RAISE THE LANDING GEAR, RETURNED TO MNL. ON TROUBLE SHOOTING CONFIRMED HANDLE WILL NOT GO PAST OFF DURING NORMAL OPERATION. FOUND AIR SENSING SENSOR M831 AT FAULT. REPLACED SAME, OPERATION AND TEST NORMAL. (M)Aug 18, 1996 · N623DH · Boeing 727264SDR 9618086718Dnlock Actuator · failedDURING APPROACH, THE RIGHT WING LANDING GEAR WOULD NOT EXTEND DURING LANDING GEAR EXTENSION. RECYCLED LANDING GEAR AND LANDING GEAR EXTENDED. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED THE RIGHT WING GEAR DOWNLOCK ACTUATOR, OPERATIONAL CHECK GOOD.Aug 18, 1996 · N618US · Boeing 747251BSDR CA960909018Line · cracked(CAN) AFTER TAKEOFF, WHEN GEAR SELECTED UP IT DID NOT FULLY RETRACT AND THE GEAR DOORS REMAINED OPEN. THEN ALL LIGHTS ASSOCIATED WITH #2 HYDRAULIC SYSTEM FAILURE CAME ON, AND #2 HYDRAULIC INDICATOR DROPPED TO ZERO. AIRCRAFT RETURNED HOME AND LANDED WITHOUT INCAug 15, 1996 · Dhav DHC8301SDR 96ZZZX4924Downlock Pin · failedBOTH DOWNLOCK PINS BROKE AND KEPT NOSE GEAR FROM LOCKING. GEAR COLLAPSED DURING TAXI. CESSNA SEB 95-20 WAS C/W BY INSPECTION 80 HOURS PRIOR. SUBMITTER SUGGES TS BAGGING THE INSPECTIONS AND MODIFYING WITH NEW DESIGN PINS AS SOON AS POSSIBLE. THESE INSPECTIOAug 15, 1996 · N7362X · Cessna R182SDR USAASB96153Retract Mech · malfunctionedGOO - FLT 8028 - AFTER TAKEOFF FROM GSO, CAPTAIN WAS UNABLE TO RAISE LANDING GEAR LEVER. TWO OTHER ATTEMPTS WERE MADE BUT WERE UNSUCCESSFUL. CIRCUIT BREAKERS WERE ALL IN AND GEAR PINS WERE ONBOARD. CAPTAIN ELECTED TO RETURN TO FIELD AT GSO. NO EMERGENCY WAAug 14, 1996 · N243US · Boeing 737201SDR USAAF96089Downlock Act · failedCLT-GSO - FLT 690 - BEFORE LANDING AT GSO, LEFT MAIN GEAR WAS DOWN BUT SHOWED A RED UNSAFE INDICATION. CREW DID A GO AROUND PROCEDURE. CAPTAIN REQUESTED CFR. FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE LEFT MLG DOWNLOCK ACTUATOR. GEAR SWING WAug 13, 1996 · N476US · Fokker F28MK4000SDR 9617696718Uplock Act · failedDURING APPROACH, THE RIGHT WING LANDING GEAR WOULD NOT EXTEND DURING LANDING GEAR EXTENSION. RECYCLED LANDING GEAR AND LANDING GEAR EXTENDED. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED THE RIGHT WING GEAR UPLOCK ACTUATOR, OPERATIONAL CHECK GOOD.Aug 13, 1996 · N618US · Boeing 747251BSDR GLBA96179Circuit Breaker · trippedSPW - GEAR WILL NOT COME DOWN. MAINTENANCE RESET 60 AMPS CIRCUIT BREAKER IN LEFT NACELLE AND COULD NOT DUPLICATE THE PROBLEM. (M)Aug 12, 1996 · N98GL · Beech 1900CSDR GLBA96174Circuit Breaker · trippedSPW - GEAR WILL NOT COME DOWN. MAINTENANCE RESET 60 AMP CIRCUIT BREAKER IN LEFT NACELLE. CYCLED GEAR SEVERAL TIMES WITH NO DISCREPANCY. (M)Aug 12, 1996 · N98GL · Beech 1900CSDR 96UAL900616Uplock Actuator · inoperativeGEAR HANDLE PUT IN THE UP POSITION GOT BOTH NOSE LANDING GEAR RED AND GREEN LIGHTS. PER CREW GEAR DID NOT RETRACT. *S/D* FOUND NOSE LANDING GEAR UPLOCK ACTUATOR AND ADJUSTED NOSE LANDING GEAR PROXIMITY SENSOR, CHECKS OK.Aug 12, 1996 · N9013U · Boeing 737222SDR CA960925001O-Ring · worn flat(CAN) WITH SYSTEM PRESSURE ON, EMERGENCY UPLOCK ACTUATOR O-RINGS LEAK FLUID INTO THE RIGHT HAND GEAR WELL. WITH NO SYSTEM PRESSURE THERE IS NO LEAK.Aug 11, 1996 · Piper PA42SDR 96ZZZX4730Fork Bolt · brokenBOLT BROKE AND CAUSED AFT ROD ASSY (P/N 0840125-13) TO JAM AND RT MLG WOULD NOT EXTEND FULLY. FORK BOLT WAS PREVIOUSLY CRACKED FOR SOME TIME, BUT CRACK WAS HIDDEN BY TORQUE TUBE AND NOT DETECTABLE BY VISUAL INSPECTION.Aug 11, 1996 · N5741M · Cessna 310PSDR CA960812008Bearing · corroded(CAN) NOSE GEAR WOULD NOT LOCK IN THE UP POSITION. RETRACT CYLINDER UPPER ATTACH CASTING OUTER RACE DEFORMED AND CASTING CORRODED. CORROSION REMOVED AND BEARING REPLACED.Aug 9, 1996 · Boeing 737242CSDR AALA961216Bushing · wornAFW - INSPECT RIGHT MLG BUSHING FOR MIGRATION. INSPECTION PER MRB 757-900. (M)Aug 9, 1996 · N655AA · Boeing 757223SDR 96ZZZX5231Hook · failedUPLOCK HOOK FAILED. UNABLE TO DETERMINE THE OLD PART NUMBER IN CESSNA PARTS BOOK. INSTALLED NEW STEEL HOOK, P/N 5141312-2. SUBMITTER STATED THIS HOOK (STEEL) IS THE WAY TO GO. THE STOCK PART DELIVERED (THIN ALUMINUM) AND THE ONE SUPPLIED BY SERVICE KITS (TAug 9, 1996 · N763EA · Cessna 402CSDR 96ZZZM1339Anti Retract Mec · out of adjustSTL - AFTER TAKEOFF WHEN LANDING GEAR WAS SELECTED TO RETRACT, LANDING GEAR DID NOT RETRACT. FOUND ANTI-RETRACT LATCH OUT OF ADJUSTMENT. RIGGED ANTI-RETRACT MECHANISM. LANDING GEAR OPERATIONS THEN CHECKED NORMAL. (M)Aug 9, 1996 · N988Z · Doug DC931SDR 9617403218Interface Unit. · failedDURING APPROACH, THE LANDING GEAR DID NOT EXTEND. CYCLED LANDING GEAR HANDLE AND ALL INDICATIONS WERE NORMAL. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED PROXIMITY SENSORS 35GA, 36GA, 37GA, 38GA, 39GA, AND NR 1 LANDING GEAR CONTROL INTERFACE UNITAug 9, 1996 · N318US · Airbus A320211SDR AU961167Landing Gear · faulty(AUS) LANDING GEAR WOULD NOT EXTEND IN NORMAL OR EMERGENCY MODESAug 8, 1996 · Mtsbsi MU2B30SDR 96ZZZX4014Breaker · trippedAIRCRAFT ARRIVED AT DESTINATION AND REQUIRED LANDING GEAR TO BE PUMPED DOWN. INVESTIGATION REVEALED 60-AMP CIRCUIT BREAKER HAD TRIPPED. THIS IS POTENTIALLY AN ACCIDENT WAITING TO HAPPEN WHEN THE CREW HAS NO INDICATION THAT THIS 60-AMP BREAKER LOCATED OUT IN Aug 8, 1996 · N4S · Beech B300SDR UPS96821010Uplatch Mech · malfunctionedINSPECTION TYPE: DLY. ON TAKEOFF ROLL, HEARD BUZZING NOISE LIKE A RELAY CHATTERING. ON GEAR RETRACTION COULD FEEL BUZZING IN THE HANDLE, BUZZING STOPPED AS GEAR STARTED UP. WHEN PLACING GEAR HANDLE INTO THE UPLATCH POSITION THE NOSE GEAR FELL OUT OF WHEEWEAug 7, 1996 · N772UP · Doug DC871FSDR 96ZZZX5002Torque Tube · crackedDURING 100-HOUR INSPECTION, FOUND BOTH LT AND RT TORQUE TUBES CRACKED (SMALL CRACKS) AT THE AREA WHERE THE FORK BOLT BOSS IS WELDED TO THE TUBE. HAVE SEEN THIS PROBLEM IN THE AIRWORTHINESS ALERTS BEFORE AND PAID CLOSE ATTENTION TO THIS AREA. THE PROBLEM WAS Aug 7, 1996 · N7743Q · Cessna 310QSDR 96ZZZX5001Torque Tube · crackedDURING 100-HOUR INSPECTION, FOUND BOTH LT AND RT TORQUE TUBES CRACKED (SMALL CRACKS) AT THE AREA WHERE THE FORK BOLT BOSS IS WELDED TO THE TUBE. HAVE SEEN THIS PROBLEM IN THE AIRWORTHINESS ALERTS BEFORE AND PAID CLOSE ATTENTION TO THIS AREA. THE PROBLEM WAS Aug 7, 1996 · N7743Q · Cessna 310QSDR IXXA96123Uplatch · failedEN ROUTE FROM WRI-MDT, THE GEAR UPLATCH CHECK FAILED WITH THE GEAR NOT LATCHED LIGHT ILLUMINATED. AFTER AN UNEVENTFUL LANDING, MAINTENANCE DETERMINED THE LEFT MAIN GEAR UPLATCH TO BE WORN AND AT FAULT. THE LEFT UPLATCH ASSEMBLY WAS REMOVED, REPLACED, AND OPEAug 6, 1996 · N786AL · Doug DC863FSDR GLBA96172Service Valve · failedTUS - GEAR WOULD NOT EXTEND. MAINTENANCE REMOVED AND REPLACED SERVICE VALVE. OPERATES NORMALLY. (M)Aug 6, 1996 · N159GL · Beech 1900CSDR 96ZZZX4936Fork Bolt · brokenDURING PRE-FLIGHT AWAY FROM HOME STATION, PILOT FOUND THE NOSE LANDING GEAR FORK BOLT BROKEN AND PULLED AWAY FROM BELLCRANK, PN 0842104-3. THE AREA WHERE THE BREAK WAS FOUND CANNOT BE INSPECTED WITHOUT REMOVING IT FROM THE BELLCRANK.Aug 6, 1996 · N106GP · Cessna 402BSDR 96ZZZX4129Arm Assy · crackedFOUND NLG ARM ASSY CRACKED FROM BOTH BOLT HOLES AND ALONG TUBE PORTION. TWO CRACKS FROM BOLT HOLES OUTBOARD AND ONE CRACK FROM OUTER EDGE .75 INCH INBOARD ON PART. BOLT HOLE CRACKS FROM THESE BOLTS DO NOT APPEAR TO BE DEBURRS FROM INSTALLATION. FOUND ON 100Aug 2, 1996 · N20GT · Gulstm 695ASDR AU961161Circuit Breaker · faulty(AUS) LANDING GEAR RETRACTION MOTOR CIRCUIT BREAKER FAULTYAug 1, 1996 · Beech 58SDR 97ZZZX1371Bolt · brokenBOLT WHICH CONNECTS THE FORWARD AND AFT NOSE LANDING GEAR DRAG LINKS WAS FOUND LOOSE. FURTHER INSPECTION SHOWED BOLT HAD BROKEN THROUGH THE CENTER OF LUBRICATION PORT WHICH IS A HOLE DRILLED INTO THE DIAMETER OF THE BOLT WHICH MEETS A HOLE DRILLED IN THE AXISJul 31, 1996 · N33224 · Cessna 177RGSDR 96ZZZX4322Bridge Casting · bearing damagedNOSE LANDING GEAR DRAG LINK, ALL 3 ROLLER BEARINGS IN NEW STEEL CASTING WERE DAMAGED WHEN INSTALLED BY FACTORY. THIS CAUSED BINDING OF THE PIVOT SHAFT.Jul 31, 1996 · Braero BAE125800ASDR 96FDEA01307Sequence Valve · leakingLOSS OF SYS A-HYD ON GEAR RETRACTION. A-PUMPS RAN FOR 7 MINUTES WITHOUT FLUID. REMOVED AND REPLACED NR 1 AND NR 2 ENG HYD PUMPS PER MM 29-11-33. REMOVED AND REPLACED NR 1 AND NR 2 ENG HYD PUMP CASE DRAIN FILTERS PER MM 29-11-41, S-SYS RETURN FILTER PER MM 2Jul 31, 1996 · N190FE · Boeing 72722SDR SWAA960733Gear Pin · not removedAFTER TAKEOFF, LANDING GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO PHX AND MADE AN UNEVENTFUL LANDING. INSPECTED AIRCRAFT, REMOVED GEAR PINS.Jul 30, 1996 · N355SW · Boeing 7373H4SDR RAIA960743Control Valve · failedSTL - FLT 7422 - WITH GEAR SELECTED UP, MAIN GEAR DID NOT RETRACT. REPLACED GEAR CONTROL VALVE. (M)Jul 30, 1996 · N427AM · Bag JETSTM3201SDR MVH0064211Switch · malfunctionedLANDING GEAR SWITCH INTERMITTENT, WILL NOT EXTEND OCCASIONALLY .Jul 30, 1996 · N63CF · Aerosp SA365NSDR ABXA9600603Retract Mech · malfunctionedDURING APPROACH WHEN LANDING GEAR HANDLE WAS LOWERED, GEAR STAYED UP. EXECUTED MISSED APPROACH. ON 2ND APPROACH, RECYCLED GEAR AND GEAR CAME DOWN NORMALLY WITH NORMAL INDICATION. PERFORMED ADJUSTMENT TEST IAW DC8 M.M. 32-30-0. OPS CHECK GOOD NUMEROUS TIMESJul 30, 1996 · N815AX · Doug DC863SDR P5CA9600435Bungee · damagedDAMAGED BUNGEE ON LEFT BODY LANDING GEAR, FOUND ON BLOWN TIRE INSPECTION. REPLACED BUNGEE PER BOEING MAINT MANUAL 32-33-16.Jul 29, 1996 · N850FT · Boeing 747122SDR P5CA9600434Bracket · bentBENT LEFT BODY GEAR LOWER DRAG STRUT SEGMENT BRACKET FOR BUNGEE, FOUND ON BLOWN TIRE INSPECTION. REPLACED BRACKET PER BOEING SRM 51-10-01.Jul 29, 1996 · N850FT · Boeing 747122SDR P5CA9600422Torque Tube · bentOUTBOARD FLAP DRIVE TORQUE TUBE BENT, WHIP GUARD BENT AND WHIP GUARD BRACKET BENT, BLOWN TIRE DAMAGE. REPLACED TORQUE TUBE WHIP GUARD AND BRACKET RIGGED FLAPS PER BOEING M/M 27-51-20.Jul 29, 1996 · N850FT · Boeing 747122
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