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 DLL14953708Priority Valve · failedTHE C-HYDRAULIC SYSTEM FELL TO .25 FULL WHEN GEAR EXTENDED. FOUND LT MLG PHASE CONTROL VALVE, PRIORITY VALVE END CAP SHEARED. REPLACED PRIORITY VALVE, LEAK CHECK OK.Sep 15, 1995 · N740DA · Lkheed 1011385115SDR BTVR91595Line · separatedUPON DESCENT INTO PTK, UPON EXTENSION OF THE SPEED BRAKES, ALL HYDRAULIC SYSTEM FLUID WAS LOST. THE FLIGHT CREW EXTENDED THE LANDING GEAR BY USING THE EMERGENCY GEAR EXTENSION SYSTEM AND AN UNEVENTFUL LANDING WAS MADE AT PTK. THE FLIGHT CREW DECLARED AN EMERSep 15, 1995 · N812CC · Gulstm G159SDR VTZA9292Uplock Spring · failedIAD-PHL - FLT NR 2229 - DURING TAKEOFF, RETURNED TO IAD DUE TO THE RIGHT MAIN GEAR INTRANSIT LIGHT REMAINING ILLUMINATED AFTER RETRACTION. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENTS. MAINTENANCE REPLACED THE UPLOCK SPRING. AIRCRAFT WAS RELEASED AND APSep 14, 1995 · N486UE · Bag JETSTM3201SDR 95ZZZX6556Torque Tube · crackedINSPECTION FOUND LT MLG TORQUE TUBE CRACKED. (REPLACED WITH NEW STYLE 5045010-33). SUBMITTER RECOMMENDS DYE CHECK OF ANY AIRCRAFT OVER 1,000 HOURS WITH OLD STYLE TUBES.Sep 14, 1995 · N37333 · Cessna 340ASDR 95ZZZX5529Rod End · failedPILOT COULD NOT GET RIGHT MAIN GEAR UP AND LOCKED, OR DOWN AND LOCKED. UPON LANDING, RIGHT GEAR COLLAPSED AND AIRCRAFT SKIDDED OFF RUNWAY. APPEARS HYDRAULIC ACTUATOR ROD END HAD PREVIOUSLY BEGUN TO CRACK AND FINALLY BROKE UPON TAKEOFF. RECOMMEND CLOSER INSPSep 14, 1995 · N83JH · Amtr SX300SDR 95ZZZX6750Upper Link · crackedCRACK FOUND LOCATED .25 INCH FORWARD OF DOWNLOCK ASSEMBLY ON UPPER SURFACE OF UPPER LINK. CRACK EXTENDS APPROXIMATELY .3750 INCH INTO ARM. SUBMITTER SUSPECTS POOR DESIGN OF ARM, DOWNLOCK BOSS SHOULD HAVE BEEN RADIUSED INTO ARM.Sep 13, 1995 · N8094H · Piper PA28RT201TSDR SRAA99507Landing Gear · corrodedDURING M-CHECK, FOUND CORROSION AT TOP OF NOSE LANDING GEAR CROSS BRACE SUPPORT, BOLT WAS RUSTED INTO BUSHING. REPLACED NOSE LANDING GEAR ASSEMBLY PERFORMED GEAR RETRACTION, OPS CHECKED GOOD PER MAINTENANCE MANUAL CHAPTER 32. (M)Sep 12, 1995 · N873SJ · Doug DC873FSDR HERA9519Relay · errodedFLT NR 1481 - ON APPROACH TO LANDING AT ANC, THE LANDING GEAR HANDLE WAS SELECTED TO THE DOWN POSITION BUT DID NOT GET ANY LIGHTS INDICATING THE GEAR WAS DOWN AND LOCKED. THE EMERGENCY EXTENSION HAND PUMP WAS PUMPED BUT THERE WAS NO INDICATION OF PRESSURE, BUSep 12, 1995 · N55635 · Beech 1900CSDR 95ZZZX5896Bypass Pin · poppedCLT/HTS - FLT 5100 - FLIGHT HAD JUST TAKEN OFF, FLIGHT CREW SELECTED GEAR UP, BUT, THE GEAR DID NOT RETRACT. THE CREW SELECTED GEAR DOWN AND RETURNED TO CLT FOR AN UNEVENTFUL LANDING. MAINTENANCE PERSONNEL WERE DISPATCHED TO TROUBLESHOOT THE PROBLEM. THE EMSep 12, 1995 · N169PC · Bag JETSTM3101SDR 95ZZZX5384T-Handle · out of positionCLT\AGS - FLT 5132 - FLIGHT HAD JUST TAKEN OFF. FLIGHT CREW SELECTED GEAR UP, BUT, THE LANDING GEAR DID NOT RETRACT. THE CREW SELECTED GEAR DOWN AND RETURNED TO CLT FOR AN UNEVENTFUL LANDING. MAINTENANCE PERSONNEL WERE DISPATCHED TO TROUBLESHOOT THE PROBLEMSep 12, 1995 · N747HH · Stbros SD360SDR WTAA950262Release Valve · trippedLAX - LANDING GEAR FAILED TO RETRACT AFTER TAKEOFF. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. MAINTENANCE FOUND LANDING GEAR RELEASE VALVE RESET BUTTON POPPED. RESET LANDING GEAR RELEASE VALVE RESET BUTTON. GEAR SWING OPERATIONAL CHECK NORMAL. AIRCRASep 10, 1995 · N413UE · Bag JETSTM3101SDR WTAA950261Release Valve · trippedIPL - LANDING GEAR FAILED TO RETRACT AFTER TAKEOFF. AIRCRAFT RETURNED TO STATION WITHOUT INCIDENT. MAINTENANCE FOUND LANDING GEAR RELEASE VALVE RESET BUTTON POPPED. RESET LANDING GEAR RELEASE VALVE RESET BUTTON. GEAR SWING OPERATIONAL CHECK NORMAL. AIRCRASep 8, 1995 · N413UE · Bag JETSTM3101SDR 95ZZZX5524Channel · crackedDURING INSPECTION, FOUND CHANNELS CRACKED. REMOVED AND REPLACED WITH NEW. SUSPECT CAUSE - HILOK'S BECAME LOOSE ON CHANNELS CAUSING BEND RADIUS TO CRACK.Sep 8, 1995 · N2711X · Cessna 402CSDR 95ZZZX5523Channel · crackedDURING INSPECTION, FOUND CHANNELS CRACKED. REMOVED AND REPLACED WITH NEW. SUSPECT CAUSE - HILOK'S BECAME LOOSE ON CHANNELS CAUSING BEND RADIUS TO CRACK.Sep 8, 1995 · N402SA · Cessna 402CSDR 95ZZZM5414 Way/3 Pos Vlv · inopDURING CLIMB, RIA FLT NR 1111 OUT OF SFO, MAIN GEAR DOORS WOULD NOT CLOSE WITH GEAR HANDLE IN UP POSITION, NOSE GEAR OPERATED NORMALLY. AIRCRAFT DUMPED FUEL AND RETURNED TO SFO. AT SFO, REPLACED 4 WAY 3 POSITION VALVE, PERFORMED OPERATIONAL TEST (DOOR SWING)Sep 8, 1995 · N762BE · Lkheed 10113851SDR SWIA95624Dn Lock Act · malfunctionedAFTER TAKEOFF, RT MAIN GEAR STAYED DOWN, RETURNED FOR LANDING AT LAX. REPLACED RT GEAR SEQUENCE VALUE, LEAK AND OPS CKS GOOD. FAILED TEST FLIGHT, FOUND RT DOWN LOCK ACTUATOR SLOW TO UNLOCK GEAR. INSTALLED SERVICEABLE UNIT AND OPS CKS GOOD. CYCLED LANDING GSep 6, 1995 · N217SW · Emb EMB120ERSDR 95ZZZX5933Actuator · req adjustmentLEFT GEAR NO DOWN AND LOCK LIGHT (SOF). ADJUSTED ACTUATOR, OPS CHECKED GOOD.Sep 6, 1995 · N35871 · Piper PA31350SDR 95ZZZX5983Landing Gear · malfunctionGEAR WOULD NOT EXTEND. HAD INSPECTED AND FAA ISSUED FERRY PERMIT. JACKED ACFT, CHECKED WIRING AND SWITCHES. COULD NOT DUPLICATE, CYCLED GEAR SEVERAL TIMES.Sep 5, 1995 · N6160X · Cessna 310RSDR CAL950784Lock Actuator · inoperativeEWR - FLT 0434 - THE NLG FAILED TO EXTEND ON APPROACH TO EWR, THE GEAR WAS CYCLED DURING A 'GO AROUND' AND THE NOSE GEAR EXTENDED NORMALLY. THE NLG LOCK ACTUATOR WAS REMOVED AND REPLACED IAW MM 32-33-11. AN EXTENSION/RETRACTION TEST WAS PERFORMED IAW MM 32-3Sep 2, 1995 · N66734 · Boeing 727224SDR 95ZZZM506Pin · crackedWHILE PERFORMING ROUTINE MAINTENANCE, MECHANIC FOUND LEFT MLG RETRACT ACTUATOR PIN CRACKED AT AFT HOUSING. MLG PIN WAS REMOVED AND REPLACED IAW 32-11-27. AIRCRAFT WAS RETURNED TO SERVICE. (M)Sep 2, 1995 · N311EA · Lkheed 10113851SDR SWIA95621Retract Mech · lack of lubeRT MAIN WOULD NOT RETRACT, CYCLED 3 TIMES. LUBRICATED RT MLG MAIN BRAKE ATTACH POINTS, SWUNG GEAR SEVERAL TIMES AND OPS CKS GOOD.Sep 1, 1995 · N217SW · Emb EMB120ERSDR 95ZZZX5037Retract Rod · failedDURING LANDING GEAR RETRACTION, A LOUD POP WAS HEARD. NO UNUSUAL INDICATIONS WERE OBSERVED. UPON GEAR EXTENSION, ALSO, NO UNUSUAL INDICATIONS OBSERVED. ALL GEAR INDICATED DOWN AND LOCKED, HOWEVER, THE NOSE GEAR COLLAPSED ON LANDING. INVESTIGATION DISCLOSEDSep 1, 1995 · N700DM · Beech 95B55SDR PCAA9500236Roller · seizedROO - RIGHT LANDING GEAR FAILED TO EXTEND. ALTERNATE GEAR EXTENSION USED. CYCLED GEAR, FOUND RIGHT GEAR UPLOCK ROLLER FROZEN. REPLACED ROLLER IAW MM, CYCLED SEVERAL TIMES. OPS CHECKS OK. AIRCRAFT RETURNED TO SERVICE. (M)Aug 31, 1995 · N819EX · Dhav DHC8102SDR 95ZZZX5149Lock Actuator · malfunctionedSTL - FLT 264 - DURING APPROACH, NOSE LANDING GEAR DID NOT EXTEND UNTIL MAIN LANDING GEAR WAS DOWN AND LOCKED. FOUND LOCK RELEASE ACTUATOR, MFG PN 65-40467-6, HAD INTERNAL MALFUNCTION. REPLACED NLG LOCK RELEASE ACTUATOR AND NLG OPERATION CHECKED NORMAL. CHEAug 30, 1995 · N54341 · Boeing 727231SDR 95ZZZX5148Retract Mech · lack of lubeSLC - FLT 777 - DURING APPROACH WHEN LANDING GEAR WAS EXTENDED, NLG DID NOT EXTEND. CYCLED LANDING GEAR AND NOSE GEAR EXTENDED AND LOCKED. LUBRICATED NLG, INSPECTED NLG AND DOORS, ALL APPEARED NORMAL. CHECK C-1 - 11-21-94 - MCI.Aug 30, 1995 · N54341 · Boeing 727231SDR ASAA9580194Bearing · wornSEA - AIR TURN BACK OF FLT NR 540, CREW REPORTED THE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. LANDED WITHOUT INCIDENT. REPLACED WORN BEARING IN PEDAL STEERING OVERRIDE CAM FOLLOWER. ACCOMPLISHED GEAR SWING AND OPERATED NORMALLY. (M)Aug 29, 1995 · N951AS · Doug DC982SDR SWAA950602Sensor · failedAFTER TAKEOFF, LANDING GEAR POSITION LEVER WOULD NOT MOVE PAST OFF POSITION. GEAR POSITION INDICATED GEAR DOWN AND LOCKED. AIRCRAFT RETURNED TO OAK AND MADE AN UNEVENTFUL LANDING. MAINTENANCE FERRIED AIRCRAFT TO PHX. REPLACED GROUND SHIFT SENSOR AND PC LOGAug 28, 1995 · N690SW · Boeing 7373G7SDR CAL950765Prox Sensor · inoperativeFLT NR 1580 - GSO - THE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF FROM GSO. THE AIRCRAFT WAS RETURNED TO GSO WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE AIR/GROUND PROXIMITY SENSOR AT FAULT. THE SENSOR WAS REPLACED AND GEAR RETRACTION WAS NORAug 28, 1995 · N12230 · Boeing 737217SDR 95ZZZX5126Uplock Hook · crackedPILOT REPORTED GEAR WOULD NOT STAY IN UP POSITION. IN INSPECTION, FOUND LEFT MAIN GEAR UPLOCK HOOK CRACKED.Aug 28, 1995 · N5736C · Cessna 402CSDR CAL950761Anti-Retract Lvr · out of rigFLT NR 9873 - STA 31J - THE LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF FROM 31J (AERO CORP). THERE WAS NO GROUND SHIFT TO AIRBORNE. THE AIRCRAFT WAS RETURNED TO 31J WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE RE-RIGGED THE GROUND SENSE AND ANTI-RETRACTIAug 27, 1995 · N18544 · Doug DC932SDR VTZA95271Switch · out of adjustDAY/IAD - FLT 6460 - DURING CLIMB-OUT AT 1500 HRS ON 8-26-95, RETURNED TO DAY DUE TO THE LANDING GEAR NOT RETRACTING WHEN SELECTED UP. AIRCRAFT LANDED AT DAY WITH NO FURTHER INCIDENTS. AIRCRAFT WAS THEN FERRIED TO IAD AND LANDED AT IAD WITH NO FURTHER INCIDEAug 26, 1995 · N310UE · Jetair JETSTM4101SDR SWAA950600Retract Mech · malfunctionedAFTER TAKEOFF, CREW WAS UNABLE TO RAISE LANDING GEAR POSITION LEVER PAST THE OFF POSITION TO RETRACT GEAR. AIRCRAFT RETURNED TO MCI AND MADE AN UNEVENTFUL LANDING. AIRCRAFT WAS MX FERRIED TO MDW WHERE THEY RIGGED THE GROUND SHIFT CABLE AND REPLACED THE LANDIAug 25, 1995 · N91SW · Boeing 7372H4SDR 95ZZZX5629Torque Tube · crackedAFTER TAKEOFF, TOWER TOLD THE PILOT THE RT MLG DID NOT RETRACT. AFTER LANDING, MAINTENANCE FOUND RT MLG TORQUE TUBE CRACKED 6 INCHES IN A SPIRALING DIRECTION. THE LT MLG WAS ALSO IINSPECTED AND A ONE-INCH CRACK WAS FOUND ON IT. THESE CRACKS START IN THE AREAug 25, 1995 · N5198J · Cessna 402BSDR 95ZZZX5628Torque Tube · crackedAFTER TAKEOFF, TOWER TOLD THE PILOT THE RT MLG DID NOT RETRACT. AFTER LANDING, MAINTENANCE FOUND RT MLG TORQUE TUBE CRACKED 6 INCHES IN A SPIRALING DIRECTION. THE LT MLG WAS ALSO IINSPECTED AND A ONE-INCH CRACK WAS FOUND ON IT. THESE CRACKS START IN THE AREAug 25, 1995 · N5198J · Cessna 402BSDR UPS204332Retract Mech · malfunctionedPILOT REPORTED, NOSE GEAR DOOR AND NOSE GEAR WOULD NOT COME DOWM ON FIRST ATTEMPT. RECYCLE, NOSE GEAR DOOR LIGHTS CAME ON AND NOSE GEAR CAME DOWN, INDICATING DOWN AND LOCKED. LUBED NOSE GEAR, PERFORMED GEAR RETRACTION THROUGH SEVERAL CYCLES. CK OK IAW M/M 1Aug 23, 1995 · N914UP · Boeing 72727CSDR 95ZZZM545Retract Mech · lack of lubeFLT NR FKYC9318 - KMIA - AFTER TAKEOFF, THE NOSE LANDING GEAR, P/N 65163424, WOULD NOT RETRACT. CYCLED GEAR SEVERAL TIMES, NO HELP. AIRCRAFT RETURNED TO KMIA AND LANDED WITHOUT FURTHER INCIDENT. INSPECTED NOSE LANDING GEAR, NO DEFECTS NOTED. LUBRICATED NOSAug 23, 1995 · N203AV · Boeing 727259SDR 95ZZZM380Retract Mech · lack of lubeFLT NR DKYC9318, AFTER TAKEOFF FROM KMIA THE NOSE LANDING GEAR P/N 65163424 WOULD NOT RETRACT. CYCLED GEAR SEVERAL TIMES, NO HELP. AIRCRAFT RETURNED TO KMIA AND LANDED WITHOUT FURTHER INCIDENT. INSPECTED NOSE LANDING GEAR, NO DEFECTS NOTED. LUBRICATED NOSEAug 23, 1995 · N203AV · Boeing 727259SDR 95ZZZX5147Bolt · wornSTL - FLT 556 - AFTER TAKEOFF, LANDING GEAR LEVER WAS LOCKED. USED OVERRIDE PROCEDURES TO RETRACT LANDING GEAR. FOUND WORN BOLT FOR LANDING GEAR SAFETY SWITCH SENSOR ACTUATOR. REPLACED BOLT AND LANDING GEAR, OPERATION CHECKED NORMAL. CHECK C - 8-8-95 - MCIAug 22, 1995 · N52310 · Boeing 727231SDR 95ZZZM448Bolt · wornFLT NR 556 - STL - AFTER TAKEOFF, LANDING GEAR LEVER WAS LOCKED. USED OVERRIDE PROCEDURES TO RETRACT LANDING GEAR. FOUND WORN BOLT FOR LANDING GEAR SAFETY SWITCH SENSOR ACTUATOR. REPLACED BOLT AND LANDING GEAR OPERATION CHECKED NORMAL.Aug 22, 1995 · N52310 · Boeing 727231SDR QXEA9500261Circuit Breaker · trippedBOI - FLIGHT CREW HAD TO USE OVERRIDE TO GET GEAR TO COME UP. GEAR EXTENSION WAS NORMAL. LANDING GEAR CONTROL CIRCUIT BREAKER WAS REPLACED AND GEAR HANDLE, OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.Aug 21, 1995 · N383PH · Swrngn SA227ACSDR AWXA9500565Downlock Act · failedPHX - FLT NR 292 - DURING CRUISE, THE EICAS MESSAGE L HYD QTY ILLUMINATED. HYDRAULIC QUANTITY WAS .42 AND DROPPED TO .10 ON FINAL APPROACH. LEFT ENGINE HYDRAULIC PUMP LOW PRESSURE LIGHT ILLUMINATED. PUMP WAS TURNED OFF. AIRCRAFT LANDED WITHOUT FURTHER INCIAug 21, 1995 · N914AW · Boeing 757225SDR 95FDEA01159Retract Mech · lack of lubeCDG - UPON GEAR EXTENTION LT AND RT MAIN GEAR INDICATED DOWN AND LOCKED WITH GREEN LIGHTS, NOSE GEAR RED LIGHT ILLUMINATED, DID NOT HEAR ANY INDICATION THAT NOSE WHEEL EXTENDED. LUBRICATED NOSE GEAR ASSY PER MM 12-21-11, PERFORMED TEST NOTE GEAR RETRACTION ANAug 21, 1995 · N144FE · Boeing 72721CSDR CAL950734Uplock Actuator · inoperativeBUF - FLT 0640 - THE RT MLG GAVE AN UNSAFE GEAR INDICATION WHEN GEAR WAS EXTENDED ON APPROACH TO BUF. 'ABNORMAL' PROCEDURES WERE FOLLOWED AND A TOWER FLY-BY WAS CONDUCTED. THE GEAR WAS CONFIRMED DOWN AND LOCKED AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINAug 20, 1995 · N14341 · Boeing 7373T0SDR 95ZZZM384Accessory Unit · failedSTL - AFTER TAKEOFF LANDING GEAR HANDLE WOULD NOT MOVE TO LANDING GEAR UP POSITION. USED LANDING GEAR OVERRIDE PROCEDURES TO RETRACT LANDING GEAR. FOUND LANDING GEAR ACCESSORY UNIT, MFG P/N 65-60211-17, WITH INTERNAL MALFUNCTION. REPLACED LANDING GEAR ACCESAug 20, 1995 · N52310 · Boeing 727231SDR 95ZZZM561Actuator · out of adjustFLT 212 - KDAY-KMCI - DURING CLIMB, GEAR NOT LATCHED AND DOOR NOT LATCHED LIGHTS AND RIGHT ALT LIGHT ON AFTER RETACTION AND UPLATCH CHECK. EXTENDED GEAR, GOT 3 GREEN, NO ABNORMALITIES. CYCLED GEAR SEVERAL TIMES AND GOT ORIGINAL INDICATIONS. FOLLOWED ABNORMAAug 19, 1995 · N950R · Doug DC863SDR CA950824204Drag Brace · cracked(CAN)UPPER DRAG BRACE FOUND CRACKED IN TOP WEB DURING PRE-FLIGHT INSPECTION. LOCTION WAS AT UPPER EYEBOLT ATTACH HOLE.Aug 17, 1995 · Gulstm 690ASDR AALA951561Valve · defectiveDFW - FLT 0544 - AFTER TAKEOFF DFW WHEN LANDING GEAR RETRACTED, THE NLG ALERT ON THE MFDU WAS ACTIVATED. RECYCLED GEAR WITH SAME RESULT. AIRCAFT RETURNED DFW AND LANDED WITHOUT INCIDENT. REPLACED SEQUENCING VALVE AND RESTRICTOR. SYSTEM GROUND CHECKED, NORMAug 17, 1995 · N1471G · Fokker F28MK0100SDR 95ZZZX5029Torque Tube · brokenLEFT GEAR WELL MLG TORQUE TUBE FOUND BROKEN. SUBMITTER RECOMMENDS THIS PART BE REMOVED AND MAGNAFLUXED AT 5,000 HOURS AND EACH 1,000 HOURS THEREAFTER, ON ALL AFFECTED AIRCRAFT.Aug 16, 1995 · N421HW · Cessna 421BSDR 95ZZZX4565Drag Brace · crackedDURING 100-HOUR INSPECTION, A CRACK WAS FOUND ON THE NLG DRAG BRACE IN THE RADIUS FORWARD OF THE ACTUATOR ATTACH POINT.Aug 16, 1995 · N7935C · Piper PA28R200SDR 95ZZZX4513Bracket · crackedBRACKET PASSED 10X INSPECTION ON AIRCRAFT. NOSE GEAR REMOVAL FOR REBUILD ALLOWED BRACKET INSPECTION WITH DRAG LINK REMOVED. DYE PENETRANT REVEALED CRACKS OUT OF LOWER HOLE BOTH SIDES, HEADING TO EDGE OF BRACKET. BRACKET WAS SLIGHTLY BENT AT CRACKED HOLE.Aug 16, 1995 · N8223R · Blanca 1730A
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