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 CA120325001Gearbox · malfunctioned(CAN) DURING FLIGHT TEST AFTER MAINTENANCE THE LANDING GEAR WOULD NOT FULLY RETRACT AND THE C/B DEACTIVATED THE DRIVE. THE EMERGENCY EXTENSION LEVER WAS FOUND TO BE ENGAGED, THE LEVER WAS DISENGAGED THE LANDING GEAR WAS SELECTED TO DOWN AND C/B WAS RESET. THE SDR CA120320003Sequence Valve · malfunctioned(CAN) AFTER THE CREW SELECTED LANDING GEAR DOWN, THE NLG DID NOT EXTEND NORMALLY. THE CREW DECLARED AN EMERGENCY, COMPLETED AN ALTERNATE EXTENSION AND LANDED WITHOUT FURTHER INCIDENT. NLG DOOR SOLENOID SEQUENCE VALVE AND NLG MECHANICAL SEQUENCE VALVE HAVE BEESDR GCNA20120319001Centering Mech · obstructedPILOT REPORTED ON LANDING NOSE WHEEL STEERING WAS FULL LEFT DEFLECTION. MAINTENANCE INSPECTED AIRCRAFT AND FOUND NOSE WHEEL CENTERING PIN STUCK IN THE UP POSITION. CAUSE WAS EXCESSIVE PAINT. REMOVED PAINT, OPERATIONALLY CHECKED NOSE WHEEL STEERING AND NO FASDR REXA2012031900394Uplock · malfunctionedLANDING GEAR DISAGREE ON APPROACH. NOSE GEAR DIDN’T INDICATE DOWN. QRH COMPLETED. REMOVED AND REPLACED NLG UPLOCK ASSY IAW AMM 32-33-05. OP CHECK, LEAK CK GOOD.SDR COMA2012031950015Pump · failedON CLIMBOUT FROM DTW RECEIVED GEAR DISAGREE MSG WHEN GEAR WAS SELECTED UP. EMERGENCY DECLARED, A/C RETURNED TO DTW LANDED SAFELY. REMOVED AND REPLACED ACMP 3B. OPS CHECK GOOD.SDR 2012FA0000260Switch · failedAFTER TAKE OFF, RETRACTED GEAR AND RED DOOR UNSAFE LIGHT WAS ON. ELECTED TO RETURN TO FIELD, SELECTED GEAR DOWN AND GEAR STAYED UP. TRIED CYCLING GEAR SWITCH, NO HELP. ACCOMPLISHED ALTERNATE GEAR EXTENSION AND LANDED SAFELY. JACKED ACFT, RAISED GEAR AND DUSDR CA120326011Drag Brace · damaged(CAN) ON A ROUTINE FLIGHT, IT WAS OBSERVED THAT THE GEAR IN TRANSIT LIGHT, WOULD FLICKER ON AND OFF. MAINTENANCE INSPECTED THE NLG AND FOUND HIGHER THAN NORMAL PLAY IN THE NLG DRAG BRACE. IT WAS BELIEVED THAT DUE TO MORE THAN NORMAL PLAY AND IF THE PLANE ENCSDR FDIA2012FA0000150Landing Gear · malfunctionedACFT DEPARTED FROM BASE ON A PART 91 REPOSITIONING FLIGHT. AFTER DEPARTURE THE LT MAIN GEAR DID NOT FULLY RETRACT BEFORE THE HYD SYS SHUTDOWN CAUSING THE LT MAIN TO SELF EXTEND TO THE DOWN AND LOCKED POSITION. THE PILOT COULD NOT EXTEND THE OTHER TO 2 GEARS SDR CA120312015Selector Valve · failed(CAN) THE CREW RECEIVED A GEAR DISAGREE WARNING AFTER 28 SEC AND HAD TO MANUALLY EXTENT THE GEAR. MAINTENANCE WAS UNABLE TO REPLICATE THE FAULT, BUT ACCORDING TO THE PSEU CODES, IT SHOULD BE THE SELECTOR VALVE OF THE NLG.SDR SWIA201230003Priority Valve · failedNOSE GEAR WILL NOT GO UP AFTER SELECTING GEAR HANDLE TO THE UP POSITION. (FLT 5603) REPLACED NLG PRIORITY VALVE AND THE NLG SELECTOR VALVE IN REF TO AMM. PART OFF: 4622 S/N OFF: 1690A PART OFF: 750006000 S/N OFF: 1827.SDR 29GA2012030995132Pressure Switch · brokenFLIGHT: 3981 TPA/PNS PILOT REPORTED LANDING GEAR CONTROL 2 AMP BREAKER POPPED IN FLIGHT. REPLACED POWER PACK PRESSURE SWITCH. LANDING GEAR OPERATIONAL CHECK GOOD.SDR CA120307001Selector Valve · failed(CAN) DURING THE APPROACH, THE GEARS WERE SELECTED DOWN, HOWEVER THE LT MLG DID NOT EXTEND. AN ALTERNATE GEAR EXTENSION WAS PERFORMED AND THE ACFT LANDED WITHOUT FURTHER INCIDENT. THE AIRCRAFT WAS FERRIED TO A MAINTENANCE BASE WITH GEARS DOWN AND LOCK. THE SDR A6WA201240353Selector Valve · malfunctionedAFTER SELECTING GEAR HANDLE UP, BOTH MLG RETRACTED, NLG DID NOT. RECEIVED GEAR DISAGREE AND NOSE DOOR OPEN WARNING MESSAGE. QRH- LANDED WITHOUT INCIDENT. REF WO 183218 FOR R & R OF NLG SELECTOR VALVE AND NLG PRIORITY VALVE REF AMM 32-3. OPS AND LEAK CK GOOSDR DXTA2012030704907Selector Valve · leakingON GEAR EXTENSION, RECEIVED GREEN LIGHTS FOR LT MAIN AND NOSE GEAR BUT THE RT MAIN INDICATED YELLOW FOR APPROX 20 SECONDS FOLLOWED BY A RED "UNSAFE" INDICATION FOR ABOUT 30 SECONDS. ALSO SHOWED THE RT ANTISKID SYS INOPERATIVE. THE RT MAIN GEAR LIGHT THEN TSDR REXA2012030500337Unknown · malfunctionedGEAR DISAGREE MSG WHEN SELECTING GEAR HANDLE DOWN. NOSE WHEEL SHOWING RED. IAS WHEN SELECTING GEAR DOWN WAS APPROXIMATELY 170KTS. AFTER SELECTING HYD 2B TO ON AND CYCLING GEAR HANDLE ALL WHEELS SHOWED DOWN AND GREEN. REFER TO AML 2249175 DISC NR 2, C/W OF SDR HNAA2012030500656Relay · malfunctionedAFTER GEAR RETRACTION, NLG RED UNSAFE AND AMBER INTRANSIT LIGHT REMAINED ILLUMINATED. AFTER 1 MINUTE, LIGHTS EXTINGUSHED. CYCLED GEAR DOWN GREEN LIGHTS ILLUMINATED. REPLACED RELAYS 3261-K5, K6, K7 AND K8. OPS CHECKED GOOD. PSEU TEST WITH NO FAULTS AND NO MESDR SWAA2012030501915Latch · obstructedGEAR WOULD NOT RETRACT CYCLED ALT EXT GEAR DOOR THEN OPERATED NORMALLY. CLEANED AREA AROUND MANUAL EXTENSION ACCESS DOOR LATCH ASSY PER M/M.SDR DXTA2012030504904Actuator · malfunctionedLEFT MLG INDICATOR DID NOT SHOW SAFE DOWN WHEN EXTENDED AND RED UNSAFE LIGHT ILLUMINATED. YAWED ACFT TO ACHIEVE GOOD DOWN & LOCKED INDICATION. LANDED NORMALLY. ROLLOUT NORMAL. DURING A 180 DEGREE LT TURN ON RAMP LT MLG INDICATED UNSAFE & RED UNSAFE LIGHT ISDR DXTA2012030504902Cam · inoperativeAFTER TAKEOFF, UNABLE TO RETRACT GEAR. THE GEAR HANDLE WOULD NOT MOVE. RETRURNED TO AIRPORT. FOUND EXCESSIVE PLAY IN NOSE GEAR SQUAT SWITCH TARGET CAM. REPLACED CAM AND ASSOCIATED HARDWARE IAW CMM 32-20-02. ADJUSTED NOSE SQUAT SWITCH IAW MM 32-60-00. OPS SDR BSYA2012012Unknown · lack of lubeRIGHT AFTER DEPARTURE FROM LCK, PILOT WAS UNABLE TO GET LANDING GEAR FULLY RETRACTED. PILOT PROCEEDED TO EXTEND GEAR BACK DOWN AND RETURN AND LANDED SAFELY AT LCK WITHOUT INCIDENT. MAINTENANCE COMPLETED OPERATIONAL GEAR SWING AND LUBRICATION, OPERATIONAL CHESDR UIEA2012030200074Switch · out of sequenceEICAS MSG GEAR DOOR. FOUND ALTERNATE EXTENTION SYS OUT OF SEQUENCE, RESET ALTERNATE GEAR EXTENSION SWITCH IAW MM 32-35-00 AND DID AN OPS CHECK IAW MM 32-35-00.SDR DXTA2012030104893Selector Valve · inoperativeON GEAR EXTENSION, RECEIVED GREEN LIGHTS FOR THE LT MAIN AND NOSE GEAR BUT THE RT MAIN INDICATED YELLOW FOR APPROX 20 SECONDS FOLLOWED BY A RED "UNSAFE" INDICATION FOR ABOUT 30 SECONDS. ALSO SHOWED THE RT ANTI-SKID SYS INOPERATIVE. RT MAIN GEAR LIGHT THEN SDR CA120301013Solenoid · failed(CAN) ON CLIMBOUT, CREW WAS UNABLE TO SELECT GEAR UP. AFTER RETURNING TO BASE, MAINTENANCE DISCOVERED THE LANDING GEAR HANDLE LOCK SOLENOID HAD FAILED. THE SOLENOID WAS REPLACED AND THE ACFT RETURNED TO SERVICE.SDR HYIA20140414010Drag Brace · crackedAT SCHEDULED INSPECTION, NLG DRAG BRACE, PN 5142002-5, WAS FOUND TO BE CRACKED IN THE AREA OF NLG ACTUATOR ATTACH POINT. METHOD OF INSPECTION WAS DYE PENETRANT. THIS CRACK WAS FOUND TO BE BEYOND LIMIT ALLOWABLE OF MEB91-11R1. THIS UNIT HAS BEEN SCRAPPED & ASDR UHLA2012022700073Unknown · malfunctionedON FINAL, SELECTED GEAR DOWN, NOSE INDICATED RED CROSS HATCH. EICAS MESSAGES "LANDING GEAR LEVER DISAGREE" AND "LANDING GEAR SYS WOW FAIL". INITIATED GO AROUND, PERFORMED LOW APPROACH, TOWER VERIFIED NOSE GEAR WAS STILL RETRACTED. DECLARED EMERGENCY. A/C LASDR HNAA2012022700624Pseu · failedLANDING GEAR INOPERATIVE CAUTION LIGHT ON DURING GEAR RETRACTION. R & R PSEU IAW MM 32-61-50 AND COMPLIED WITH RETRACTION AND EXTENSION OPS CHECKS. CYCLED GEAR 6 TIMES. CHECKED GOOD.SDR REXA2012022600278Unknown · malfunctionedON DEPARTURE AFTER POS RATE RETRACTED TO THE GEAR. SPEED N160 KNOTS NO ICE, IN LMC W/ALL INDICATIONS NORMAL. NOSE WHEEL REMAIN ON AND LOCKED AND GREEN. NEVER ONCE CHANGED TO DIAGONAL IN TRANSIT WHITE STRIPES. FOLLOWED BY GEAR DISAGREE WARNING NOSE DO. COMSDR SWAA2012022401668Modulating Valve · faultyAIR TURNBACK - AFTER TAKEOFF AND PUTTING LIGHT TO OFF POSITION, RT MLG FELL TO DOWN POSITION (GREEN LIGHT). LANDED NORMAL. REMOVED AND REPLACED RT MLG PRIORITY MODULAR VALVE PER MM.SDR REXA2012022100269Selector Valve · malfunctionedGEAR DISAGREE GEAR EXT INOPERATIVE. REMOVED AND REPLACED SELECTOR VALVE AND PRIORITY VALVE.SDR SWIA201229824Control Module · failedUSED DOWNLOCK RELEASE TO GET GEAR TO RETRACT. (FLT 6263) REPLACED LANDING GEAR CONTROL MODULE PER AMM. PN 120-38594-501 SN OFF: 366605SDR SIMA201205501Electronic Unit · malfunctionedON FLIGHT 3946 DURING TAKEOFF THE CREW REPORTED THEY RECEIVED AN EICAS LANDING/GROUND AIR FAIL MESSAGE. THE CREW RAN THE CHECKLIST AND DECLARED AN EMERGENCY. THE CREW RETUNRED TO ORD AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. THE OSDR CHQA20120220062Electronic Unit · faultyCREW REPORTED THAT AFTER TAKEOFF, WHEN THE LANDING GEAR LEVER WAS MOVED TO THE UP POSITION, LANDING GEAR DID NOT RETRACT AND RECEIVED A LANDING GEAR LEVER DISAGREE MESSAGE. THE CREW UTILIZED THE QUICK REFERENCE HANDBOOK AND WERE DIRECTED TO RETURN TO FIELD. SDR DXTA2012022204883Handle · malfunctionedAT 220 KTS, 1500 FT, MOVED THE GEAR HANDLE TO THE DOWN POSITION. HANDLE MOVED NORMALLY AND LOCKED INTO PLACE BUT ONLY THE RED GEAR UNSAFE LIGHT CAME ON AND NO SOUNDS OF THE GEAR DOORS OPENING. AFTER WIGGLING THE HANDLE BACK AND FORTH FOR 4-5 SECONDS IN THE DSDR UALA2012022001029Selector Valve · leakingMLG GEAR DOOR SELECTOR MANIFOLD ASSY LEAKING. REMOVED AND REPLACED MLG DOOR SELECTOR VALVE. LEAK AND OPS CHECKED GOOD IAW MM.SDR SWIA201229684Relay · failedFLT 5511, ON FIRST GEAR EXTENSION ATTEMPT, ALL LANDING GEAR REMAINED UP. REPLACED LANDING GEAR RELAY BOX ASSEMBLY.SDR CA120223009Uplock · malfunctioned(CAN) GEAR WAS SELECTED DOWN, IMMEDIATELY ALL GEAR DOOR OPEN AS INDICATION, NLG AND RT MLG DOWN AND LOCKED, GREEN, LT MLG UNSAFE GEAR, RED. CONFIRMED THAT LT GEAR DOORS WAS OPEN BUT GEAR IN UPLOCK POSITION. APPROXIMATELY 90 SECONDS LATER THE GEAR MOVED TO ITSDR UALA2012021400883Sequence Valve · faultyGEAR DISAGREE ON FINAL. NOSE GEAR DOORS OPEN BUT NOSE GEAR NOT DOWN. ALT GEAR EXTEND SUCCESSFUL. REPLACED NOSE GEAR-GEAR OPERATED SEQUENCE VALVE. GEAR SWING NORMAL.SDR SWIA201229685Actuator · failedFLT 4761, DURING GEAR RETRACTION, RECEIVED AN ANTI-SKID OUTBOARD CAUTION MESSAGE AND GEAR DISAGREE WARNING MESSAGE. REPLACED THE RIGHT SIDESTAY AND ACTUATOR.SDR REXA2012021300230Selector Valve · malfunctionedGEAR DISAGREE WARNING MESSAGE WHEN EXTENDING GEAR ON FINAL. HAD TO USE THE LANDING GEAR MANUAL RELEASE HANDLE TO MAKE THE GEAR SHOW 3-GREEN DOWN AND LOCKED. R & R MAIN LANDING GEAR SELECTOR VALVE IAW AMM 32-32-10. OPS CHECK IAW AMM 32-30-00. OPS CHECKED GOSDR CA120214003Selector Valve · failed(CAN) GEAR DISAGREE ON APPROACH.SDR DXTA2012021304873Landing Gear · malfunctionedAFTER TAKE OFF, RT MLG WOULD NOT LOCK IN THE UP POSITION. PERFORMED QRH PAGE EG-6 CHECK LIST. MEASURED UPLOCK ROLLER AND PROX SWITCH CLEARANCE. NO DEFECTS NOTED. CLEANED ALL CONNECTOR PLUGS AND VERIFIED LOCKING PRESSURE WITH NO DEFECT NOTED. PERFORMED LUBRSDR SWIA201229575Priority Valve · failedNOSE DOOR OPEN, GEAR DISAGREE. (FLT 5486) REPLACED NLG PRIORITY VALVE, PN OFF 4622, SN OFF 876.SDR DXTA2012021004867Control Handle · malfunctionedGEAR WOULD NOT RETRACK WHEN GEAR HANDLE WAS PULLED UP, HAD ALL 3 GREEN INDICATORS, GROUND CONFIRMED GEAR WERE WAS DOWN AND EMERGENCY WAS NOT DECLARED. HANDLE WAS PLACED DOWN TO MATCH CONDITION. PERFORMED GEAR SWING SEVERAL TIMES. DUPLICATED SQK ONCE MOVINGSDR CALA2012020600074Spring · brokenNOSE GEAR MANUAL EXTENSION CABLE OFF PULLEY AND CABLE WILL NOT RETRACT. FOUND EXTENSION SPRING BROKEN. REPLACED NOSE GEAR MANUAL EXTENSION SPRING & ADJ/TEST IAW AMM 32-35-10-400-801.SDR EIAA20120203011Sequence Valve · out of rigON DEPARTURE FROM JFK LANDING GEAR UP RT WING GEAR DID NOT RETRACT. AFTER CYCLED GEAR OP'S NORMAL. ITEM PLACED ON DMI AND FERRIED TO MZJ FOR MAINTENANCE. RIGGED DOOR SEQUENCE VALVE PER B747 AMM 32-12-00. NO OTHER RIGGING FAULTS FOUND. PERFORMED GEAR SWINGSDR EIAA20120203010Landing Gear · lack of lubeCREW REPORTED THAT AFTER TAKEOFF FROM BRU RT WLG DID NOT RETRACT, CREW PERFORMED ABNORMAL PROCEDURES, RT WLG RETRACTED. GREASED RT WING GEAR AS PER MM 12-21-00 REF WORK CARD 2127006 MOBIL GREASE 33.SDR FDEA201202020431Landing Gear · malfunctionedON DEPARTURE, GEAR WOULD NOT COME. RETURNED. HANDLE WOULD NOT MOVE PAST MIDDLE DETENT. DURING DEBRIEF, CREW REPORTED HANDLE DID NOT FEEL LIKE IT WAS BINDING, BUT RESISTANCE WAS FELT AT HALFWAY POINT, AND HANDLE WOULD NOT MOVE FURTHER. INTERROGATED PROXIMITSDR UALA2012020200634Circuit Card · faultyLANDING GEAR LEVER WOULD NOT MOVE TO UP POSITION IN FLIGHT WAS FREE TO MOVE UP POSITION WHEN LOCK OVRD WAS PUSHED. REPLACED PSEU CIRCUIT CARD A6 PER MM. ACP'D TEST OF PSEU TASK. TEST OKAY. ACP'D OPERATION TEST WITH LANDING GEAR SWING, TESTED OKAY.SDR UALA2012020200657Spring · missingLEFT MAIN LANDING GEAR UPLOCK ASSY MISSING AFT SPRING. REPLACED SPRING PER MM.SDR Z5FA2012310142001Cable · misriggedAFTER DEPARTING, GEAR WOULD NOT RETRACT. RED GEAR UNLOCK LIGHT REMAINED ILLUMINATED. CREW FOLLOWED CHECKLIST AND PLACED THE GEAR HANDLE IN THE DOWN POSITION. ALL 3 GREEN GEAR DOWN LIGHTS ILLUMINATED. DIVERTED, LANDING WAS UNEVENTFUL. MX ADJUSTED THE NLG RE
Back to JASC 3230