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 99ZZZX1464Bracket · brokenDURING SCHEDULED INSPECTION, FOUND UPPER NOSE STEERING ACTUATORS SUPPORT BRACKET BROKEN AT UPPER OUTBOARD MOUNT BOLT TO FORWARD BULKHEAD ATTACH. DISASSEMBLED/REMOVED STEERING ACTUATOR/YOKE ASSY. DURING DISASSEMBLY, NOTED CENTERING SPRING HOUSING MOUNT SHAFT SESDR RAIA990334Control Valve · failedFLT 5791 - ROA - NOSE WHEEL STEERING SYSTEM INOPERATIVE. MAINTENANCE REPLACED STEERING CONTROL VALVE. (M)SDR 99FDEA00079Torsion Links · wornA/C SHAKES AND DRIFT RIGHT OF CENTER LINE. NOSE WHEEL STEER INOP. REMOVED AND REPLACED UPPER AND LOWER TORSION LINKS PER MM 32-21-021-4. NOSE GEAR STEERING OPER CK GOOD PER MM 32-51-000-5.SDR CA990318036Spring · broken(CAN) DURING GROUND RUN, THE NOSE WHEEL STEERING SYSTEM OPERATED WITH EXCESSIVE FREE PLAY. IT WAS FOUND THAT THE RIGHT SPRING WAS BROKEN.SDR 99ZZZX917Bellcrank · crackedTHE PILOT REPORTED AIRCRAFT DID NOT TURN LEFT ON GROUND. AIRCRAFT RETURNED TO SERVICE STATION FOR INSPECTION. INSPECTION REVEALED CRACK ON STEERING BELLCRANK, LEFT ARM OF BELLCRANK SEPARATE OF ASSY.SDR 99ZZZM172Switch · inoperativeDURING TAKEOFF AT SJU, THE AMBER NOSE WHEEL STEERING FAIL LIGHT ILLUMINATED AND THE PILOT ABORTED THE TAKEOFF. MAINTENANCE REMOVED AND REPLACED THE NOSE WHEEL STEERING PRESSURE SWITCH WITH A NEW UNIT. THE OPERATIONS CHECK WAS GOOD AND THE AIRCRAFT WAS RETURNSDR JBXA9900067Tiller · failedNOSE WHEEL STEERING TILLER WILL NOT CENTER. REMOVED AND REPLACED NOSE WHEEL STEERING TILLER ASSY IAW AMM 32-51-00, OPS CHECK GOOD.SDR 99ZZZX983Horn Assy · crackedCRACKED ALONG WELD WHERE NOSE GEAR MOUNTING PLATE ATTACHES TO ANGLES. SUBMITTER STATED WELD IS UNDERCUT WITH INSUFFICIENT MATERIAL.SDR CA990209011Spring · broken(CAN) DURING GROUND RUN, PLAY WAS NOTICED IN THE NOSE WHEEL STEERING SYSTEM. THE STEERING SPRING WAS FOUND BROKEN. USERS WERE REMINDED OF PROPER TAXI TECHNIQUES.SDR 99ZZZX790Steering Unit · malfunctionedAIRCRAFT HAD A PROBLEM WITH NOSE WHEEL SHIMMY AFTER A NOSE TIRE CHANGE. THE TIRE WAS REPLACED WITH A NEW NOSE TIRE. AFTER THIS, COUPLE OF INSTANCES WHERE THE LANDING GEAR WOULD NOT RETRACT. UNABLE TO DUPLICATE LANDING GEAR NOT RETRACTING PROBLEM ALTHOUGH SUSDR CA990310065Bellcrank · cracked(CAN) THE NOSE STEERING BELLCRANK WAS FOUND CRACKED/BROKEN BETWEEN ATTACH FLANGES. NO OTHER FAULTS FOUND DURING FLEET CHECK.SDR C2XA99CL002Actuator · inoperativeCLE - FLT 3099 - CREW REPORTED THAT AFTER LANDING, WHILE TAXIING TO THE GATE THE NOSE WHEEL STEERING WAS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE NOSE WHEEL STEERING DISCONNECT ACTUATOR IAW B1900 MM 32-50-01, OPERATIONAL CHECKS WERE SATISFACTORY. AISDR 99ZZZX268Servo Valve · failedNOSE WHEEL STEERING FAILS UPON TOUCH-DOWN (RESETTABLE). FAILURE COULD BE INDUCED BY FREEZING THE TORQUE-MOTOR. WHEN STEERING WAS ARMED, NOSE WHEELS TURNED RIGHT WITHOUT INPUT FROM THE OPERATOR, AND THEN STEERING SYSTEM FAILED (1/2 SECOND TIME FRAME). INSTALSDR C2XA98CL083Control Module · failedCLE - FLT 3216 - CREW REPORTED THAT THEY LOST ALL STEERING DURING LANDING ROLL OUT AND NEVER GAINED IT BACK. MAINTENANCE INSPECTED THE AIRCRAFT THEN REMOVED AND REPLACED THE STEERING CONTROL MODULE IAW EMB120 MM 32-50-03. OPERATIONAL CHECKS WERE SATISFACTORYSDR C2XA98CL081Manifold · failedCLE - FLT 3294 - CREW REPORTED THAT THE NOSE WHEEL STEERING FAILED COMPLETELY DURING LANDING WHEN THE NOSE WHEEL TOUCHED DOWN. THE CREW ALSO REPORTED LITTLE TO NO ABILITY TO CONTROL DIRECTION ON THE GROUND. MAINTENANCE INSPECTED THE AIRCRAFT THEN REMOVED ANSDR USAA129806Pulley · jammedFLT 6531 - LGA-DCA - AFTER LANDING NOSE STEERING INOPERATIVE FOR RIGHT TURNS. CONTROL STEERING TILLER BINDING WHEN TURNED TO RIGHT, TOWED AIRCRAFT FROM RUNWAY. CHECKED AND LUBED RUDDER STEERING SYSTEM, CHECKED STEERING CABLES AND PULLEYS FOUND PULLEY ON LEFTSDR CA990311053Actuator · failed(CAN) DURING TAKEOFF, FLIGHT CREW NOTED THAT THE STEERING DISCONNECT ACTUATOR DID NOT FUNCTION. MAINTENANCE REPLACED THE ACTUATOR WHICH WAS GRINDING BADLY.SDR 99ZZZX249Shaft · corrodedSHAFT CENTER WAS CORRODED BEYOND USABLE LIMITS.SDR 99ZZZM2Wire · brokenUPON LANDING ROLLOUT AT SLU, A/C BEGAN DRIFTING TO THE RT, WITH THE NOSE WHEEL STEERING ARMED. THE PILOT MAINTAINED THE RUNWAY CENTERLINE WITH THE RUDDER BUT AS THE A/C SLOWED, THE RUDDER BECAME LESS EFFECTIVE AND NOSEWHEEL STEERING STILL DID NOT RESPOND. PISDR AU981611Shaft · cracked(AUS) PUSHING THE NOSE LEG FIRMLY IN A FORE AND AFT DIRECTION RESULTED IN A CREAKING SOUND AT THE TOP OF THE NOSE GEAR COMPARTMENT. THE CROSS SHAFT AND DRAG LINK WERE REMOVED AND A VISIBLE 3.5 CM (1.38 INCH) CRACK WAS FOUND STARTING AT THE BOLT ATTACH HOLE FOSDR CA981216021Control Unit · failed(CAN) AFTER LANDING, NO NOSE WHEEL STEERING. REPLACED LANDING GEAR CONTROL INTERFACE UNIT, SYSTEM SERVICEABLE.SDR 99ZZZX1586Connector · malfunctionedNOSE WHEEL STEERING WAS FOUND ERRATIC. FOUND WIRING HARNESS TO FOLLOW-UP POTENTIOMETER DAMAGED AND CONNECTOR CORRODED. REPLACED FOLLOW-UP. REINSTALLED NOSE GEAR ASSY. ACFT TT: 8,638.5.SDR 99ZZZX170Centering Track · bentAIRCRAFT LANDED WITH NOSE LANDING GEAR RETRACTED. NOSE GEAR DID NOT EXTEND DUE TO DAMAGE TO NOSE GEAR RETRACTION CENTERING TRACK PREVIOUSLY CAUSED BY EXCEEDING THE STEERING LIMITS DURING AIRCRAFT TOWING OPERATIONS.SDR SWAA983007Steering · frozenON LANDING WHILE TRYING TO CLEAR RWY THE NWS TILLER WOULD NOT MOVE EITHER DIRECTION. AFTER APPLYING EXCESSIVE FORCE, WAS ABLE TO STEER A/C TO TUG FOR TOW IN. IT WAS EXTREMELY STIFF AND HAD A GRINDING FEEL. DUE TO WATER ACCUM ON NOSE GEAR STEERING FROZEN AT SDR 99ZZZX189Bearing · mismanufacturedZERKS ON FRONT OF NOSE STRUT ASSY WOULD NOT TAKE GREASE. FOUND THE BEARING (P/N 35-820111, FIG 50, INDEX 5) AFT OF ZERK DID NOT HAVE THE GREASE HOLE DRILLED IN TOP AND BOTTOM BEARING.SDR CA981125074Bolt · loose(CAN) NOSE WHEEL STEERING ERRATIC DURING TAXI. AIRCRAFT RETURNED TO RAMP. MAINTENANCE FOUND NOSE STEERING STRADDLE BOLTS LOOSE AND WORN. BOLTS REPLACED. PART TC: 4,176.SDR VNAA9811011Control Unit · trippedA NOSE STEERING FAILURE WARNING OCCURRED, DURING THE TAXI PRIOR TO TAKEOFF. THE AIRCRAFT RETURNED TO THE GATE. OUTSTATION MAINTENANCE INSPECTED AND RE-SEATED THE NOSE STEERING CONTROL UNIT. OPERATIONAL CHECKS WERE COMPLETED, IN ACCORDANCE WITH DORNIER MAINTSDR AU981494Pin · corroded(AUS) NOSE LANDING GEAR STEERING SYSTEM TORQUE LINK ATTACHMENT PIN CORRODED. PART TC: 4,550.SDR 99ZZZM87Switch · leakingNOSE WHEEL STEERING (NWS) PRESSURE SWITCH IS LEAKING AT WELDED SEAM. (M)SDR CA981109007Line · cracked(CAN) HYDRAULIC FLUID FOUND LEAKING FROM NOSE WHEELWELL AREA. FLUID WAS COMING FROM THE STEERING FILTER HOUSING INLET LINE. A SMALL CRACK WAS FOUND AT THE BEND RADIUS.SDR CA981109020Bungee · broken(CAN) PILOT UNABLE TO STEER AIRCRAFT STRAIGHT AFTER A TIGHT TURN INTO WIND. INSPECTION FOUND THE STEERING BUNGEE LOCATED ABOVE THE RUDDER TORQUE TUBES BETWEEN THE PILOT'S AND CO-PILOT'S PEDALS TO BE BROKEN AND JAMMED. THIS IS SECOND INCIDENT ONE OF SUBMITTERSDR 98ZZZX4218Bellcrank · failedDURING A PHASE INSPECTION, DISCOVERED THE NOSE WHEEL STEERING BELLCRANK (P/N 5042010-1) HAD FAILED WITH THE LEFT HALF PULLED AFT BY THE STEERING CABLE. THE PILOT STATED THE RUDDER PEDALS WERE OFFSET DURING TAXI, BUT INLINE DURING FLIGHT. A FURTHER INSPECTION SDR COMA9860298Harness · defectiveSTEERING SYSTEM FAILED DURING TAKEOFF. REPLACED THE STEER-BY-WIRE HARNESS.SDR 98ZZZM803Steering Unit · malfunctionedWHILE TAXIING FOR DEPARTURE FROM OXC TO LGA, THE PIC COMMANDED A HARD RIGHT TURN. WHEN HE TRIED TO STRAIGHTEN OUT THE AIRCRAFT, THE NOSE WHEEL STEERING FELT STIFF AND WOULD NOT RESPOND. THE AIRCRAFT WAS RETURNED TO MAINTENANCE. THE NOSE WHEEL STEERING UNIT SDR 98ZZZX3929Bolt · bentDURING THE ANNUAL INSPECTION AND FOLLOW-UP ON A NOSE WHEEL SHIMMY SQUAWK. BOTH NOSE GEAR STEERING (ROLLER) BOLTS P.M. AN 4-22A WERE FOUND SEVERELY BENT. AR SHIMMING INSTRUCTIONS IN THE SERVICE MANUAL DO NOT ADDRESS THE POTENTIAL HARDWARE PROBLEM. SUBMITTER SDR CA980928035Tube · chafed(CAN) DURING MAINTENANCE INSPECTION, THE TUBE (P/N 114-820030-3) WAS FOUND CHAFED BY THE BOOT (P/N 50-820125) THAT IS HELD TIGHT ON THE TUBE BY A TIE WRAP. PART TC: 6,383.SDR CA981214020Spring · broken(CAN) DURING TAXI, STUDENT NOTED PLAY IN NOSE WHEEL STEERING. INSPECTION FOUND THE LEFT STEERING SPRING BROKEN. STUDENTS REMINDED TO START AIRCRAFT ROLLING BEFORE TURNING NOSE GEAR.SDR TWAA9813801Control Cable · brokenDURING TAXI TOWARD THE GATE IN A 90 DEGREE RIGHT ANGLE TURN CREW HEARD LOUD SNAP AND LOST NOSE WHEEL STEERING. ACFT WAS TOWED INTO GATE. REPLACED BROKEN STEERING CABLE 124C PER MNT MANUAL 32-51-1. CHECK-C, 7-19-97 STL.SDR CA980928006Collar · broken(CAN) ON TAKEOFF, THE STEERING COLLAR BROKE. AIRCRAFT LANDED OK. NEW PART APPEARS TO BE OF A HEAVIER MATERIAL.SDR 98ZZZX4002Pin · looseNOSE STEERING KNOB ROTATING ON SHAFT DUE TO ROLL PIN BACKED OUT. INSTALLED ROLL PIN AND SAFETIED WITH .032 INCH SAFETY WIRE. HYDRAULIC SYSTEM CHECKED AND WAS FOUND FULLY SERVICED.SDR P2EA98148Control Cable · brokenMDW - FLT 821 - NOSE WHEEL STEERING FAILED ON TAXI, PRIOR TO DEPARTURE. MAINTENANCE FOUND NOSE WHEEL STEERING CABLE BROKEN. CABLE WAS REPLACED AND SYSTEM TESTED GOOD IAW MM 32-51-31A AND MM 32-51-0. (X)SDR CA980814004Bungee · failed(CAN) AFTER TAKEOFF, THE RUDDER PEDALS JAMMED IN THE FULL LEFT POSITION. CONTINUED CLIMB TO ALTITUDE AND WAS ABLE TO UNJAM THE PEDALS. CARRIED OUT NORMAL LANDING. ON GROUND AND STOPPED PEDALS JAMMED IN FULL LEFT POSITION. THE STEERING BUNGEE SHAFT BROKEN ASDR ABXA9800673Pivot Arm · brokenDURING POST FLIGHT INSP, FOUND LEFT MAIN LANDING GEAR BOGIE SWIVEL MECHANISM PIVOT ARM BROKEN. REPLACED BOGIE SWIVEL ARM IAW DC8 MM 32-51-04.SDR 98ZZZX3136Bracket · crackedDURING INSPECTION, FOUND BRACKET AND DOUBLER P/N 46867-00 AND P/N 46838-00 CRACKED COMPLETELY THROUGH. THSE PARTS SUPPORT THE LINKAGE THROUGH THE WHEEL WELL TO THE NOSE GEAR STEERING. THESE PARTS ARE UNDER CONSTANT TWISTING MOTION WHEN TURNING THE NOSE WHEELSDR 98ZZZX2960Hose · leakingAFTER DEPARTURE FROM ADF, THE LT AND RT HYDRAULIC CWP LIGHTS CAME ON. THE HYDRAULIC SYSTEM PRESSURE AND CONTENTS SHOWED 15 PERCENT. THE CREW PUT THE LANDING GEAR DOWN AND FOLLOWED EMERGENCY PROCEDURES. THE CREW DID NOT DECLARE AN EMERGENCY WITH THE TOWER ANSDR UPS98227149Light · inoperativeINSPECTION TYPE-N/A, EMERGENCY LIGHT AT COCKPIT DOOR FAILURE. REMOVED AND REPLACED LIGHT ASSY, OPS CHECKED OK PER MM 33-50-01.SDR COEA9801729Valve · leakingON CLIMB-OUT FROM LAS, WHILE SELECTING GEAR UP CREW SAW PNEUMATIC PRESSURES ON MAIN AND BRAKE BOTTLES DROP INTO YELLOW ARC. THE CREW SELECTED GEAR DOWN AND LOCKED AND RETURNED TO LAS AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND NOSE WHEEL STEERING FOLLOW USDR AU981347Switch · faulty(AUS) NOSE WHEEL STEERING PEDAL DISCONNECT SWITCH FAULTY. PART TC: 28,142.SDR 98ZZZX2984Bungee · weakON TWO NON-CONSECUTIVE LANDINGS WITH THE SAME PILOT, THE A/C VEERED OFF THE RUNWAY TO THE RIGHT. PILOT EXPRESSED A LOSS OF DIRECTIONAL CONTROL OF THE A/C DUE TO AN UNSTEERABLE NOSE GEAR AND POSSIBLY A NOSE GEAR THAT MAY HAVE NOT BEEN FULLY CENTERED ON INITIALSDR P5CA9801130Rivets · shearedRIGHT BODY GEAR STEERING HINGE PIN BRACKET HAS SHEARED RIVETS. REMOVED AND REPLACED RIVETS PER SRM 51-30-02.
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