JASC 3250
Service difficulty reports · 2,365
Reports filed under 3250 · Landing Gear Steering 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 = '3250' 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 = '3250' 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 CA980818001Manifold · failed(CAN) WHILE WAITING TAKEOFF CLEARANCE, NR 2 HYDRAULIC ISO VALVE CAUTION LIGHT ON, FOLLOWED BY ROLL SPOILER HYDRAULIC AND NOSE STEERING CAUTION LIGHTS. NR 2 HYDRAULIC QUANTITY DROPPED 1 QUART. STEERING MANIFOLD REPLACED.SDR AU980731Actuator · faulty(AUS) NOSE WHEEL STEERING SYSTEM DISCONNECT LINEAR ACTUATOR FAULTY.SDR 98ZZZX2411Steering · malfunctionedNOSE WHEEL STEERING WILL NOT TURN RIGHT. MAINTENANCE RETURNED TO MKK AND MADE REPAIRS TO AIRCRAFT AND REPOSITIONED BACK TO HNL, SEVERAL PIECES, PARTS WERE REPLACED, TO INCLUDE THE FOLLOWING: LINK SUB ASSY, PN 8988-1 AND 8968-1. PLUG, PN 8995-1, BEARING PN 89SDR COMA9860141Steering · malfunctionedFULL LEFT RUDDER REQUIRED DURING TAKEOFF ROLL. INSPECTED AIRCRAFT AND FOUND NOTHING THAT COULD CAUSE DISCREPANCY. HIGH SPEED TAXI CHECKS SATISFACTORY.SDR CA980707016Control Unit · malfunctioned(CAN) ON LANDING, AFTER ROLL OUT, NOSE WHEEL STEERING FAILED. MAINTENANCE REPLACED STEERING SERVO VALVE AND BRAKE/STEERING CONTROL UNIT. VALVE DID NOT RECTIFY THE PROBLEM, HOWEVER, THE BRAKE/STEERING CONTROL UNIT CURED THE PROBLEM. PART TC: 8,276.SDR CA980610009Transducer · failed(CAN) NOSE WHEEL STEERING WOULD KICK OFF AS SOON AS NOSE STEERING SWITCH SELECTED. CAUTION LIGHT ON. FOUND LDVT TRANSDUCER DEFECTIVE. THE SHAFT WAS BENT.SDR 98ZZZX2251Bypass Valve · malfunctionedAFTER LANDING, UNABLE TO GET MORE THAN APPROXIMATELY 17 DEGREES OF RIGHT NOSE WHEEL STEERING WITH CONTROL WHEEL. REMOVED AND REPLACED BYPASS VALVE. OPS CHECK GOOD.SDR 98ZZZX2250Bypass Valve · malfunctionedAFTER LANDING, UNABLE TO GET MORE THAN APPROXIMATELY 17 DEGREES OF RIGHT NOSE WHEEL STEERING WITH CONTROL WHEEL. REMOVED AND REPLACED BYPASS VALVE. OPS CHECK GOOD.SDR AU980540Link · failed(AUS) NOSE WHEEL STEERING LINK BROKEN.SDR 98ZZZX2161Bolt · failedNOSE GEAR COLLAPSED ON LANDING. COULD NOT GET A NOSE GEAR SAFE LIGHT AFTER PERFORMING EXTENSIVE EMERGENCY GEAR LOWERING PROCEDURES. EXTENSIVE DAMAGE TO GEAR DOORS, NOSE, PROPS, AND TO ENGINES REQUIRING TEAR DOWN AND OVERHAUL. CAUSE WAS THE BOLT HEAD SEPARATSDR 98ZZZX1867Valve · failedDURING LINE OP CHECK JUST PRIOR TO DEPARTURE, CREW OBSERVED 'STEER-BY-WIRE FAIL' MESSAGE ON CASDU AND ALSO FOUND NR 1 AND NR 2 STEERING CONTROL CIRCUIT BREAKERS TRIPPED. BREAKERS WOULD NOT RESET. AIRCRAFT TAXIED BACK TO RAMP WITH DIFFERENTIAL BRAKING. MAINTSDR 9807949955Valve · failedCREW ABORTED TAKEOFF AT 80 KNOTS DUE TO AIRCRAFT PULLING TO THE LEFT. MAINTENANCE FOUND NOSE STEERING RETURNING LEFT OF CENTER. REPLACED NOSE STEERING CONTROL VALVE, OPERATIONAL CHECK NORMAL.SDR P5CA9800834Collar · corrodedLEVEL 1 CORROSION ON NOSE LANDING GEAR COLLAR ASSY IN FRONT OF LT STEERING. AREA CLEANED AND CORROSION REMOVED PER SRM 51-10-01 AND 51-26-11.SDR P5CA9800852Link · rustyLEVEL 1 CORROSION NOSE LANDING GEAR STEERING LINK ARM. TREATED PER BOEING OH MANUAL 20-10-01, 20-10-02.SDR CA980512018Control Box · inoperative(CAN) CREW REPORTED STEERING INOPERATIVE, SYSTEM RESET, UNSUCCESSFUL. AIRCRAFT LANDED WITHOUT NOSEWHEEL STEERING AND HAD TO BE TOWED TO GATE. ELECTORNIC CONTROL UNIT AND SERVO VALVE REPLACED. PART TC: 5,075.SDR AU980478Control Cable · worn(AUS) NOSE WHEEL STEERING SYSTEM RT AFT STEERING CABLE WORN WITH BROKEN STRANDS MID-LENGTH.SDR CA980513011Tube · chafed(CAN) NOSE LANDING STEERING TUBE CHAFED NEXT TO RIVETS. THE DAMAGE WAS AT THE FRONT AND REAR OF RIVETS THAT HOLD THE ROD END. CHAFED AREA WAS TO A DEPTH OF 0.015 THOUSANDS OF AN INCH.SDR 98ZZZX1894Shuttle · failedUPON LANDING ROLL-OUT, PILOT NOTICED A LACK OF STEERING RESPONSE TO THE RIGHT. AIRPLANE COULD BE TAXIED (USING REG STEERING CONTROL) ONLY TO THE LEFT. DIFFERENTIAL POWER AND BRAKES WERE REQUIRED TO TURN RIGHT. UPON DISASSY OF AIRMOTOR CONTROL VALVE ASSY, FOSDR C2XA98CL033Potentiometer · out of adjustCLE - FLT 3214 - CREW REPORTED THAT DURING TAXI THE NOSE WHEEL STEERING INOP. DISCONNECT LIGHT ILLUMINATED AND THE NOSE ALIGNS TO THE RIGHT WITH THE HANDLE IN THE NEUTRAL POSITION. AIRCRAFT RETURNED TO THE GATE WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED ASDR AU980361Cam · incorrect fit(AUS) NOSE WHEEL CENTERING CAM INCORRECTLY INSTALLED PREVENTING CORRECT RETRACTION OF NOSE LANDING GEAR. PERSONNEL/MAINTENANCE ERROR.SDR C2XA98CL031Tiller · failedHPN - FLT 3066 - CREW REPORTED THAT UPON TAKEOFF THE AIRCRAFT PULLED HARD LEFT ASSOCIATED WITH THE PEDAL STEERING INOP LIGHT ILLUMINATING AND TEMPORARY STEERING LOSS. THE CREW ACCOMPLISHED QRH ITEMS AND ABORTED THE TAKEOFF. MAINTENANCE INSPECTED THE AIRCRAFTSDR 98ZZZX2139Bolt · failedWHILE IN-FLIGHT AND AFTER MAIN GEAR WAS DOWN AND LOCKED, PILOT TRIED TO RERACT THE GEAR. THE GEAR WOULD NOT FULLY RETRACT. GEAR WAS PLACED DOWN. PILOT OBSERVED 3 GREENS. ON LANDING AT ANE, THE PILOT NOTICED THE AIRCRAFT HAD A LEFT TURNING TENDENCY. AFTER SDR CA980402023Wiring Harness · failed(CAN) NOSE WHEEL STEERING WAS FAILING INTERMITTENLY MORE SO WHEN IN A HARD LEFT TURN. WIRING HARNESS FOUND FAILING. THIS WIRE HARNESS IS PART OF SB 227-32-030 WHICH WAS INSTALLED IN JANUARY OF 1998.SDR AU980636Control Unit · faulty(AUS) BRAKE STEERING CONTROL UNIT K5 RELAY FAILED. ELECTRO/HYDRAULIC STEERING MODULE ALSO FAULTY. PART TC: 12,636.SDR VTZA98131Control Cable · failedFLT 6225 - IAD-BOS - DURING TAXI, AIRCRAFT RETURNED TO GATE DUE TO NOSE WHEEL STEERING INOP. MAINTENANCE INSPECTED AND REMOVED AND REPLACED STEERING CABLE, OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)SDR CA980317055Link · cracked(CAN) DURING ROUTINE INSPECTION THE NLG STEERING LINK BRACKET FOUND CRACKED. NEW LINK RECEIVED IS MADE OF MUCH HEAVIER MATERIAL. REPLACED.SDR COMA9860055Ecu · malfunctionNOSE WHEEL STEERING MESSAGE ON EICAS. REPLACED THE ECU.SDR COMA9860053Steering · out of adjustNOSE WHEEL STEERING FAILED DURING TAKEOFF ROLL. ADJUSTED NWS RIGGING.SDR AU980272Valve · faulty(AUS) NOSE WHEEL STEERING DEPRESSURIZATION VALVE FAULTY.SDR 98ZZZX1327Bellcrank · crackedDURING PHASE INSPECTION, NOSE STEERING BELLCRANK WAS FOUND CRACKED ON BOTH SIDES OF CENTER PIVOT BOLT. FAILURE WOULD RESULT IN LOSS OF STEERING. NO IMPACT MARKS FOUND. AIRCRFAT HAS HISTORY OF NOSE GEAR COLLAPSE.SDR 98ZZZX1688Metering Valve · crackedWHILE BEING OVERHAULED, AN OCCURRENCE OF CRACKS WERE NOTED IN SEVERAL VALVE BODIES. THERE ARE NO NDT CHECKS FOR BODY P/N 1692E41 OTHER THAN X10 MAGNIFICATION VISUAL CHECK IN THE SARGENT OMM 32-50-04. SUBMITTER SUGGESTED THAT AS A MINIMUM, A DYE PENETRANT FLASDR VTZA98092Steering Shaft · lack of lubeFLT 6510 - IAD-LGA - DURING TAXI, AIRCRAFT RETURNED TO GATE DUE TO NOSE STEERING STUCK TO THE LEFT. MAINTENANCE INSPECTED AND RERACKED PLUS LUBED RACK AND PINNION NLG STEERING. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)SDR 99ZZZX643Rod End · malfunctionedNOSE WHEEL NOT CENTERED. NOSE STEERING WOULD NOT RESPOND. FOUND FORWARD NOSE STEERING ROD END BROKEN JUST OUTSIDE OF LOCK NUT. CAUSE KNOWN.SDR UF6A980207Steering · malfunctionedPIA - FLT 5745 - ON TAKEOFF AT ABOUT 60 KNOTS, THE NOSEWHEEL STEERING STOPPED WORKING. STARTED OPERATING AFTER ABORT. MAINTENANCE INSPECTED AND PERFORMED OPS CHECK OF SYSTEM. SYSTEM OPS CHECKED GOOD. NO DEFECTS NOTED. (M)SDR VNAA9802014Poteniometer · out of adjustWHEN THE CONDITION LEVERS WERE BROUGHT FORWARD FOR TAKEOFF, A NOSE STEERING FAIL WARNING OCCURRED. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. OUTSTATION MAINTENANCE IN AZO INSPECTED AND APPROVED THE AIRCRAFT FOR A FERRY FLIGHT INTO CAK. SDR 98ZZZX858Lvdt · dirtyNOSE WHEEL STEERING FAILED DURING TAXI FOR TAKEOFF AT KEWR. PERFORMED NOSE WHEEL STEERING CONTROL BOX BITE CHECK PER MM 32-50-00, NO FAULTS INDICATED. PERFORMED INSPECTION OF CONNECTORS AND FOUND THE LINEAR VARIABLE DIFFERENTIAL TRANSFORMER (LVDT) DIRTY WITHSDR AU980119Arm · cracked(AUS) NOSE WHEEL STEERING ARM CRACKED.SDR COMA9860033Harness · defectiveNOSE WHEEL STEERING INOP. REPLACED THE NLG STEERING HARNESS.SDR 99ZZZX261Servo · malfunctionedAIRCRAFT HAD NORMAL LANDING UNTIL NOSE GEAR TOUCHED DOWN. THE AIRCRAFT HAD BEEN TRACKING STRAIGHT DOWN THE RUNWAY UNTIL THE NOSE WHEEL TOUCHED DOWN WHEN THE ACFT BEGAN DRIFTING TO THE RIGHT. THE PILOT ATTEMPTED TO STEER LEFT USING THE BRAKES AND LATER USING SDR 98ZZZX481Line · leakLINE INSTALLED AT NOSE STEERING ACTUATOR TO SWIVEL JOINT IN NOSE WHEELWELL. LINE STARTED TO LEAK AT POINT IN LINE WHERE LINE BENDS WHEN NLG ACTIVATED.SDR COMA9860007Transformer · out of adjustUPON GEAR EXTENSION, RECEIVED STEERING CAUTION MESSAGE. ADJUSTED THE ROTARY VARIABLE DIFFERENTIAL TRANSFORMER.SDR 99ZZZM118Pin · missingFLT PT 315 - KJSJ-KPHL - AFTER LANDING AND DURING DEPARTURE FROM RUNWAY ONTO TAXIWAY, AIRCRAFT LOST NOSE WHEEL STEEING AND HAD SEVERE NOSE WHEEL VIBRATION. CONTACTED MAINTENANCE TO TOW AIRCRAFT FROM TAXIWAY. FOUND THE NOSE GEAR TORSION LINK SAFETY PIN MISSINSDR QXEA9700910Steering · malfunctionedEUG - WHILE TURNING ON TAXIWAY, NOSE WHEEL AND LEFT MAIN WHEEL SLOWLY ROLLED INTO GRASS. RETURNED AIRCRAFT TO TAXIWAY IAW RECOVERY MANUAL. AIRCRAFT OPERATIONAL CHECKED AND RETURNED TO SERVICE. NO PARTS REPLACED.SDR COMA9760251Steering · malfunctionedSTEERING INOP MESSAGE WHEN LANDING GEAR LOWERED. COULD NOT DUPLICATE DISCREPANCY. OPERATIONAL CHECK OF NWS SYSTEM WAS NORMAL.SDR CA971222008Bracket · cracked(CAN) UPPER STEERING BRACKET FOUND CRACKED.SDR CA971210012Bracket · cracked(CAN) PLAY NOTED IN NOSE GEAR STEERING CENTERING SPRING CYLINDER MOUNTED ON THE BRACKET. BRACKET FOUND CRACKED WHERE IT BOLTS TO FORWARD BULKHEAD OF NOSE GEAR WHEEL WELL. COULD ONLY SEE CRACK WHEN BRACKET WAS REMOVED. IPC CH. 32-50-00 FIG. 7 PAGE 0, ITEM 19SDR 97UAL900847Steering · failedDURING TAXI LOST NOSE STEERING. BOTH A-PUMP LOW PRESSURE LIGHTS ILLUMINATED AND QUANTITY WENT TO ZERO. RETURNED TO BLOCKS. *S/D* FOUND RUDDER HYDRAULIC COMPENSATOR DAMAGED. REPLACED UNIT.SDR AU971446Ring · cracked(AUS) NOSE WHEEL STEERING DRIVE RING CRACKED. FOUND DURING INSPECTION IAW SB 214 ISSUE 1.SDR COMA9760232Fail Message · illuminatedNOSE STEER FAIL MESSAGE WHEN LANDING GEAR EXTENDED. COULD NOT DUPLICATE DISCREPANCY. NO FAULT CODES IN STEERING ECU.SDR 9721726635Switch · failedDURING TAKEOFF, THE BODY GEAR STEERING LIGHT REMAINED ILLUMINATED. AIRCRAFT ABORTED TAKEOFF AND RETURNED TO THE GATE. REPLACED THE BODY GEAR STEERING PRIMARY AND ALTERNATE UNLOCK SWITCHES. OPERATIONAL CHECK GOOD. SPECIFIC PART CAUSING EVENT TO BE DETERMINED
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