JASC 6310
Service difficulty reports · 772
Reports filed under 6310 · Engine/Transmission Coupling, 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 = '6310' 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 = '6310' 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 97ZZZX2480Seal · leakREPLACED FREEWHEELING UNIT TAIL ROTOR OUTPUT DRIVE SEAL DUE TO LEAKING OIL. ACFT TT, 407.4 HOURS.SDR HAIHEEA9428Seal · wornSEAL WORN. REPLACED WITH SERVICEABLE SEAL.SDR HAIHEEA9427Seal · leakingENG XMSN SEAL LEAKING.SDR 97ZZZX2293Shaft · wornINSPECTION FOUND FREEWHEEL SHAFT INNER RACE SEAL AREA WORN. REPLACED WITH NEW SHAFT.SDR 97ZZZX2040Free Wheel · making metalFREE WHEELING UNIT REMOVED FOR METAL GENERATION. DURING TEAR DOWN EVALUATION, CLUTCH S/N FD10246 TOTAL TIME 831.8 HRS AND INNER SHAFT S/N 2886, WERE FOUND TO BE POINT-OF-METAL GENERATION. CLUTCH WAS INSPECTED AND FOUND THAT CAGE WAS TWISTED/BENT ALONG WITH 3SDR CA970422024Clutch · broken(CAN) GROWLING NOISE ON SHUTDOWN, CLUTCH SHAFT WAS REMOVED AND DIS- ASSEMBLED. BROKEN EAR ON SPRAG CLUTCH.SDR 97ZZZX1941Seal · leakingREPLACED FREEWHEELING UNIT TAIL ROTOR OUTPUT DRIVE SEAL DUE TO LEAKING OIL. ACFT TT: 384.2 HOURS.SDR CA970422039Shaft · cracked(CAN) CRACK ORIGINATING INSIDE SHAFT FLANGE, SPREADING OUTWARD UNTIL PAST FLANGE. THE CRACK TURNED 90 DEGREES AND SPREAD AROUND SHAFT.SDR CA970609004Freewheel Unit · leaking(CAN) CENTER PLUG LEAKING OIL INTO CAVITY BETWEEN FREE WHEELING UNIT AND INPUT DRIVESHAFT FLANGES. OIL THEN TRANSFERRING INTO DRIVESHAFT COUPLING VIA VENT HOLE IN COUPLING CAP. GREASE IN COUPLING IS DILUTED BY OIL CAUSING GREASE LEAKAGE.SDR NYBA9711Shaft · crackedPART IS CRACKED. REPLACED COUPLINGSDR 97ZZZX2376Coupling · pittedACFT TT 2,225.8 HOURS. ON A 6-MONTH (180 DAY) INSPECTION, M/D/SHAFT WAS REMOVED FOR INSPECTION AND REPACK OF GREASE COUPLINGS. BOTH INNER GEARS AND BOTH OUTER COUPLINGS WERE FOUND WITH CORROSION AND PITTING. TOTAL TIME ON M/D/SHAFT WAS 91.3 HOURS SINCE NEW SDR CA970327018Freewheel Unit · leaking(CAN) FRONT SEAL OF FREEWHEEL UNIT LEAKING.SDR 97ZZZX3321Bearing · wornENG/TRANSMISSION COUPLING, LOWER BEARING OF ACTUATOR WHICH IS CONNECTED TO LOWER SHAFT AND BEARING ASSEMBLY WORE OUT. THIS CAUSED THE ACTUATOR ASSEMBLY TO VIBRATE AND, THEREFORE, ONE BELT TENSION SWITCH TO BREAK. BEARING TOO WEAK TO HOLD UP TO THE PRESSURE ASDR 97ZZZX3320Switch · brokeENGINE/TRANSMISSION COUPLING, VIBRATION OF ACTUATOR CAUSED ACTUATOR SPRINGS TO VIBRATE ON BOTH SWITCHES AND, THEREFORE, ONE BELT TENSION SWITCH TO BREAK. SWITCH BROKE IN CLOSED POSITION. SPRINGS TOO WEAK TO WITHSTAND VIBRATION.SDR NYBA974Freewheel · defectiveFREEWHEEL IS DEFECTIVE. REPLACEDSDR 97ZZZX1137Freewheel Shaft · extra o ringDURING REPLACEMENT OF MODULE I MAG ASSEMBLY, DISCOVERED AN O-RING ON POWER SHAFT BETWEEN FREEWHEEL UNIT AND MAG SEALING RING HOLDER. THIS PARTICULAR MODEL ENGINE DOES NOT USE AN O-RING IN THIS LOCATION. THE PRESENCE OF THIS O-RING COULD RESTRICT SOME FLOW OFSDR 97ZZZX1690Shaft · shearedWHILE PERFORMING HOVER TRACK AND BALANCE OF THE M/R BLADE ASSEMBLIES, A LOUD BANG WAS HEARD AND ROTOR RPM DECAYED. A HOVERING AUTOROTATION WAS SUCCESSFULLY COMPLETED. UPON TEAR-DOWN, EXCESSIVE WEAR WAS FOUND ON THE INTERMEDIATE SHAFT LOWER GEAR TEETH OF .030SDR 97ZZZX1238Coupling · crackedINSPECTION FOUND ENGINE DRIVE COUPLING CRACKED.SDR AU970397Boot · damaged(AUS) ENGINE TO TRANSMISSION DRIVESHAFT BOOT ASSEMBLY FAILED FOR APPROXIMATELY 50% OF CIRCUMFERENCESDR 97ZZZX1940Seal · leakingREPLACED FREEWHEELING UNIT TAIL ROTOR OUTPUT DRIVE SEAL DUE TO LEAKING OIL. ACFT TT: 317.6 HOURS.SDR CA970421055Clutch · loose ring(CAN) WHILE PURGING THE BEARING ON THE OVER RUNNING CLUTCH, THE RING SECURING THE REAR BEARING CAP POPPED OFF. THE RING WAS REPLACED, BUT CAME OFF AGAIN AS GREASE WAS PURGED. PART TC: 228.SDR CHI2007Clutch · slippingNR 2 CLUTCH SLIPPING. (X)SDR 97ZZZX1282Clutch · cages brokenDISASSEMBLY FOR 600 HOUR INSPECTION FOUND FREEWHEEL CLUTCH CAGES BROKENSDR CA970421056Gear · worn(CAN) REAR ADAPTER SPLINES WORN WELL BEYOND LIMITS.SDR 97ZZZX993Freewheel · slippageFREEWHEEL UNIT ERRATIC AND SLIPPAGE NOTED. COULD ONLY FIND SPRAG WEAR ON OUTBOARD SIDE.SDR HEEA968810Clutch · fail inspFAILED 600 HOUR INSPECTION. INNER CAGE WORN BEYOND LIMITS. REPLACED WITH SERVICEABLE CLUTCH.SDR HEEA968556Clutch · wornFREEWHEEL CLUTCH INNER CAGE WORN BEYOND LIMITS. REPLACED WITH SERVICEABLE CLUTCH.SDR HEEA968555Clutch · wornFREEWHEEL CLUTCH INNER CAGE WORN BEYOND LIMITS. REPLACED WITH SERVICEABLE CLUTCH.SDR 96ZZZX6187Plate · making metalDURING NORMAL OPERATION IT WAS NOTED THAT THE FREE WHEELING UNIT WAS DETERMINED TO BE GENERATING METAL. THIS UNIT WAS MODIFIED FROM A -3 TO -117 BY TB206L-95-177 DURING LAST OVERHAUL. DURING TEAR DOWN INSPECTION IT WAS NOTED THAT PLATE WAS FOUND LOOSE AND WSDR HEEA968503Clutch · rustFREEWHEEL CLUTCH HAS RUST ON SPRAGS.SDR HEEA968491Clutch · worn excessivelyINNER CAGE WORN BEYOND LIMITS AT 600 HOUR INSPECTION. REPLACED WITH SERVICEABLE CLUTCH ASSEMBLY.SDR 97ZZZX256Outer Shaft · making metalFIELD REPORTED FREEWHEEL ASSEMBLY 'MAKING METAL'. FOUND ROLLER BEARING P/N 206-040-205-005 SPINNING IN OUTER SHAFT, GALLING SHAFT I.D. MAKING METAL.SDR 97ZZZX2672Seal · leakingREPLACED FREE WHEELING UNIT TAIL ROTOR OUTPUT DRIVE SEAL DUE TO LEAKING OIL.SDR HEEA968174Clutch · broken ribbonS/N 3692 BROKEN ENERGIZING RIBBON. S/N 3780 WORN INNER CAGE. REPLACED WITH SERVICEABLE CLUTCHES.SDR 97ZZZX642Input Pinion · leakingINPUT PINION UPON INSTALLATION UNIT BEGAN LEAKING OIL BEYOND SERVICEABLE LIMITS. THIS REPORT FOR INFORMATION ONLY. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA968113Pin · corrodedENGINE TO TRANSMISSION GIMBAL RING PIN CORRODED. REPLACED WITH SERVICEABLE PIN.SDR HEEA968061Clutch · brokenCLUTCH INNER CAGE BROKEN. REPLACED WITH SERVICEABLE CLUTCHSDR 96ZZZX5160Housing · crackedFACTORY RECALL OF OVERRUN CLUTCH, P/N 369F5453-1. SUSPECT CRACK IN P/N 369F5450-1. PART FOUND CRACKED. SUSPECT REASON OF FAILURE DUE TO IMPROPER HEAT TREATING. 1,800-HOUR OVERHAUL REQUIREMENTS, NEW CLUTCH MODEL 'F' TYPE.SDR HEEA967757Clutch · cage wornINNER CAGE WORN. REPLACED WITH SERVICEABLE CLUTCH. SEE MMIR # HEEA0007756 FOR OTHER CLUTCH REMOVED.SDR HEEA967756Clutch · cage wornINNER CAGE WORN AND ENERGIZING RIBBON WORN. REPLACED WITH SERVICEABLE CLUTCH. SEE MMIR # HEEA0007757 FOR OTHER CLUTCH REMOVED.SDR CA960924038Bolt · loose(CAN) DURING THE 100 HOUR INSPECTION THE BOLT HOLDING THE ENGINE TO THE TAIL ROTOR DRIVE FLANGE HAD LOOSENED OFF AND THE FLANGE HAD MOVED AFT AND RUBBED AGAINST THE FIBREGLASS FIREWALL AND BRACKETS. THIS WAS FOUND AGAIN ON THE 500 HOUR. EUROCOPTER HAVE SINCE ISDR 96ZZZX5886Shaft · crackedREMOVED OVERUNNING CLUTCH SUB-ASSEMBLY PER MDHC, FOUND OUTER RACE SHAFT CRACKED AT SPLINE RADIUS.SDR 96ZZZX4627Belt · damagedTHE NEW AIRCRAFT WAS BEING FERRIED FROM CALIFORNIA TO NEBRASKA. DURING A FUEL STOP, THE 1.5 AMP FUSE FOR THE CLUTCH ACTUATOR WAS FOUND 'BLOWN'. THE FUSE WAS REPLACED BY THE PILOT WITH A 1 AMP. DURING A LATER FUEL STOP, THE FUSE WAS FOUND BLOWN AGAIN AND THESDR 96ZZZX4626Clutch Actuator · blows fusesTHE NEW AIRCRAFT WAS BEING FERRIED FROM CALIFORNIA TO NEBRASKA. DURING A FUEL STOP, THE 1.5 AMP FUSE FOR THE CLUTCH ACTUATOR WAS FOUND 'BLOWN'. THE FUSE WAS REPLACED BY THE PILOT WITH A 1 AMP. DURING A LATER FUEL STOP, THE FUSE WAS FOUND BLOWN AGAIN AND THESDR 96ZZZX4641Disc · crackedDURING DAILY INSPECTION AFTER LAST FLIGHT OF THE DAY, THE MECHANIC NOTED THAT ONE DISC WAS FOUND CRACKED, ON THE NR 2 ENGINE MAIN GEARBOX DRIVESHAFT COUPLING. SUSPECT FATIGUE. REPLACED AFFECTED DISC IAW AS355F MAINTENANCE WORK CARDS.SDR HEEA967632Clutch · worn excessINNER CAGE WORN BEYOND LIMITS. REPLACED WITH SERVICEABLE CLUTCH S/N 3617, T.T. 2513:45, T.S.I. 0:00.SDR 96ZZZX4655Coupling · corrodedCORROSION ON INSIDE DIAMETER OF OUTER COUPLING.SDR CA960826083Outer Coupling · chafed-overheat(CAN) TEMPERATURE INDICATING PAINT STRIPS ON THE ENGINE/TRANSMISSION DRIVESHAFT TURNED BLACK INDICTING OVERHEAT CHAFING ON THE OUTER COUPLING CAUSED BY AN EXTERNAL SOURCESDR CA960826107Clutch · seized(CAN) HELICOPTER CRASH LANDED AT 5000 FEET. PILOT REPORTED LOW ROTOR WARNING AND INTERMITTENT CLUTCH LIGHT. INVESTIGATION REPORT TO FOLLOW.SDR 96ZZZX4367Seal · leakingPILOT REPORTED FREEWHEELING ASSY LEAKING OIL. FOUND INPUT SEAL LEAKING. REMOVED SEAL, P/N 28905-2017, AND INSTALLED NEW SEAL, P/N 206-340-204-101, WITH O-RINGS MB3248/1-237 AND MB248/1-215.
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