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.

SDR 97ZZZX2480Seal · leakREPLACED FREEWHEELING UNIT TAIL ROTOR OUTPUT DRIVE SEAL DUE TO LEAKING OIL. ACFT TT, 407.4 HOURS.Apr 30, 1997 · N696BA · Bell 206L4SDR HAIHEEA9428Seal · wornSEAL WORN. REPLACED WITH SERVICEABLE SEAL.Apr 18, 1997 · N8045T · Bell 214STSDR HAIHEEA9427Seal · leakingENG XMSN SEAL LEAKING.Apr 18, 1997 · N5748M · Bell 214STSDR 97ZZZX2293Shaft · wornINSPECTION FOUND FREEWHEEL SHAFT INNER RACE SEAL AREA WORN. REPLACED WITH NEW SHAFT.Apr 16, 1997 · N206SB · Bell 206BSDR 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 3Apr 16, 1997 · N122NH · Bell 206LSDR CA970422024Clutch · broken(CAN) GROWLING NOISE ON SHUTDOWN, CLUTCH SHAFT WAS REMOVED AND DIS- ASSEMBLED. BROKEN EAR ON SPRAG CLUTCH.Apr 14, 1997 · Robsin R44SDR 97ZZZX1941Seal · leakingREPLACED FREEWHEELING UNIT TAIL ROTOR OUTPUT DRIVE SEAL DUE TO LEAKING OIL. ACFT TT: 384.2 HOURS.Apr 12, 1997 · N696BA · Bell 206L4SDR CA970422039Shaft · cracked(CAN) CRACK ORIGINATING INSIDE SHAFT FLANGE, SPREADING OUTWARD UNTIL PAST FLANGE. THE CRACK TURNED 90 DEGREES AND SPREAD AROUND SHAFT.Apr 11, 1997 · Enstrm ENSTROM480SDR 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.Mar 31, 1997 · Bell 206BSDR NYBA9711Shaft · crackedPART IS CRACKED. REPLACED COUPLINGMar 18, 1997 · N5776D · Aerosp AS355F1SDR 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 Mar 12, 1997 · N412WP · Bell 412SDR CA970327018Freewheel Unit · leaking(CAN) FRONT SEAL OF FREEWHEEL UNIT LEAKING.Mar 11, 1997 · Bell 206BSDR 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 AMar 10, 1997 · N244BF · Robsin R44SDR 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.Mar 10, 1997 · N244BF · Robsin R44SDR NYBA974Freewheel · defectiveFREEWHEEL IS DEFECTIVE. REPLACEDMar 9, 1997 · N121NH · Bell 206LSDR 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 OFMar 6, 1997 · N4035W · Snias AS350BSDR 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 .030Mar 4, 1997 · N6055 · Hiller H23BSDR 97ZZZX1238Coupling · crackedINSPECTION FOUND ENGINE DRIVE COUPLING CRACKED.Feb 27, 1997 · N22BF · Skrsky S76ASDR AU970397Boot · damaged(AUS) ENGINE TO TRANSMISSION DRIVESHAFT BOOT ASSEMBLY FAILED FOR APPROXIMATELY 50% OF CIRCUMFERENCEFeb 17, 1997 · Bell 412SDR 97ZZZX1940Seal · leakingREPLACED FREEWHEELING UNIT TAIL ROTOR OUTPUT DRIVE SEAL DUE TO LEAKING OIL. ACFT TT: 317.6 HOURS.Feb 12, 1997 · N696BA · Bell 206L4SDR 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.Feb 6, 1997 · Hughes 369DSDR CHI2007Clutch · slippingNR 2 CLUTCH SLIPPING. (X)Jan 29, 1997 · Boeing 1072SDR 97ZZZX1282Clutch · cages brokenDISASSEMBLY FOR 600 HOUR INSPECTION FOUND FREEWHEEL CLUTCH CAGES BROKENJan 17, 1997 · N494HL · Bolkms BO105SSDR CA970421056Gear · worn(CAN) REAR ADAPTER SPLINES WORN WELL BEYOND LIMITS.Jan 6, 1997 · Bell 206BSDR 97ZZZX993Freewheel · slippageFREEWHEEL UNIT ERRATIC AND SLIPPAGE NOTED. COULD ONLY FIND SPRAG WEAR ON OUTBOARD SIDE.Jan 2, 1997 · N50588 · Bolkms BO105SSDR HEEA968810Clutch · fail inspFAILED 600 HOUR INSPECTION. INNER CAGE WORN BEYOND LIMITS. REPLACED WITH SERVICEABLE CLUTCH.Dec 30, 1996 · N724MB · Bolkms BO105SSDR HEEA968556Clutch · wornFREEWHEEL CLUTCH INNER CAGE WORN BEYOND LIMITS. REPLACED WITH SERVICEABLE CLUTCH.Nov 25, 1996 · N3533T · Bolkms BO105SSDR HEEA968555Clutch · wornFREEWHEEL CLUTCH INNER CAGE WORN BEYOND LIMITS. REPLACED WITH SERVICEABLE CLUTCH.Nov 25, 1996 · N6607K · Bolkms BO105SSDR 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 WNov 25, 1996 · N122NH · Bell 206LSDR HEEA968503Clutch · rustFREEWHEEL CLUTCH HAS RUST ON SPRAGS.Nov 21, 1996 · Bolkms BO105SSDR HEEA968491Clutch · worn excessivelyINNER CAGE WORN BEYOND LIMITS AT 600 HOUR INSPECTION. REPLACED WITH SERVICEABLE CLUTCH ASSEMBLY.Nov 20, 1996 · N624MB · Bolkms BO105SSDR 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.Oct 16, 1996 · N59541 · Bell 206BSDR 97ZZZX2672Seal · leakingREPLACED FREE WHEELING UNIT TAIL ROTOR OUTPUT DRIVE SEAL DUE TO LEAKING OIL.Oct 11, 1996 · N696BA · Bell 206L4SDR HEEA968174Clutch · broken ribbonS/N 3692 BROKEN ENERGIZING RIBBON. S/N 3780 WORN INNER CAGE. REPLACED WITH SERVICEABLE CLUTCHES.Oct 10, 1996 · N6607K · Bolkms BO105SSDR 97ZZZX642Input Pinion · leakingINPUT PINION UPON INSTALLATION UNIT BEGAN LEAKING OIL BEYOND SERVICEABLE LIMITS. THIS REPORT FOR INFORMATION ONLY. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 7, 1996 · N901CF · Doug MD900SDR HEEA968113Pin · corrodedENGINE TO TRANSMISSION GIMBAL RING PIN CORRODED. REPLACED WITH SERVICEABLE PIN.Oct 4, 1996 · N60951 · Snias AS350B2SDR HEEA968061Clutch · brokenCLUTCH INNER CAGE BROKEN. REPLACED WITH SERVICEABLE CLUTCHOct 3, 1996 · N7136H · Bolkms BO105SSDR 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.Sep 26, 1996 · N911RP · Hughes 369ESDR HEEA967757Clutch · cage wornINNER CAGE WORN. REPLACED WITH SERVICEABLE CLUTCH. SEE MMIR # HEEA0007756 FOR OTHER CLUTCH REMOVED.Sep 3, 1996 · N7170D · Bolkms BO105SSDR HEEA967756Clutch · cage wornINNER CAGE WORN AND ENERGIZING RIBBON WORN. REPLACED WITH SERVICEABLE CLUTCH. SEE MMIR # HEEA0007757 FOR OTHER CLUTCH REMOVED.Sep 3, 1996 · N7170D · Bolkms BO105SSDR 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 IAug 30, 1996 · Snias AS350B2SDR 96ZZZX5886Shaft · crackedREMOVED OVERUNNING CLUTCH SUB-ASSEMBLY PER MDHC, FOUND OUTER RACE SHAFT CRACKED AT SPLINE RADIUS.Aug 26, 1996 · N911RP · Hughes 369ESDR 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 THEAug 21, 1996 · N8338Q · Robsin R22BETASDR 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 THEAug 21, 1996 · N8338Q · Robsin R22BETASDR 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.Aug 10, 1996 · N5776D · Aerosp AS355FSDR HEEA967632Clutch · worn excessINNER CAGE WORN BEYOND LIMITS. REPLACED WITH SERVICEABLE CLUTCH S/N 3617, T.T. 2513:45, T.S.I. 0:00.Aug 8, 1996 · N967MB · Bolkms BO105SSDR 96ZZZX4655Coupling · corrodedCORROSION ON INSIDE DIAMETER OF OUTER COUPLING.Jul 29, 1996 · N219HM · Bell 222USDR 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 SOURCEJul 25, 1996 · Bell 212SDR CA960826107Clutch · seized(CAN) HELICOPTER CRASH LANDED AT 5000 FEET. PILOT REPORTED LOW ROTOR WARNING AND INTERMITTENT CLUTCH LIGHT. INVESTIGATION REPORT TO FOLLOW.Jul 19, 1996 · Robsin R22BETASDR 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.Jul 17, 1996 · N82HH · Bell 206B
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