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 CA960826104Clutch Assembly · disengaged(CAN) THE HELICOPTER WAS LIFTING A LOAD, WHEN THE FREEWHEEL CLUTCH INSIDE THE COMBINING GEARBOX DECOUPLED OR DISENGAGED ON THE #2 ENGINE SIDE. THE #2 ENGINE WENT TO FLIGHT IDLE. THE PILOT RELEASED THE LOAD AND LANDED AS SOON AS POSSIBLE. THE COMBINING GEARBSDR 96ZZZX3729Coupling · defectiveINSPECTION FOUND COUPLING NOT PROPERLY COATED. REPLACED WITH NEW COUPLING.SDR 96ZZZX3461Clutch · failedWHEN THROTTLES WERE CLOSED FOR SHUT DOWN, NR 2 ENGINE'S N2 NEEDLE ON TRIPLE TACH WAS OBSERVED TO REMAIN WITH THE ROTOR NEEDLE DURING COAST DOWN WHILE NR 1 ENGINE'S N2 NEEDLE SPLIT AND DECELERATED NORMALLY. FOUND NR 1 FWU CLUTCH LOCKED UP IN EITHER DIRECTION (SDR 96ZZZX3606Coupling · corrodedPITTING, CORROSION INSIDE COUPLING DUE TO APPARENT LACK OF COATING.SDR 96ZZZX3605Coupling · corrodedPITTING, CORROSION INSIDE COUPLING DUE TO APPARENT LACK OF COATING.SDR 96ZZZX3596Pinion Assy · leakingPINION ASSY LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX3595Pinion Assy · leakingPINION ASSY LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX3604Coupling · corrodedPITTING, CORROSION INSIDE COUPLING DUE TO APPARENT LACK OF COATING.SDR 96ZZZX3603Coupling · corrodedPITTING, CORROSION INSIDE COUPLING DUE TO APPARENT LACK OF COATING.SDR CA960619027Clutch · bearing loose(CAN) STEADY BEARING HOUSING SPINNING IN OVERRUNNING CLUTCH HOUSING DUE TO BEARING VIBRATING. BEARING WAS SPINNING UNDER SNAP RING CAUSING ALUMINUM BEARING HOUSING TO WEAR AND CONTAMINATE BEARING WITH METAL SHAVINGS.SDR HEEA967395Cone Set · damagedMECHANICAL DAMAGE. PART SCRAPPED LOCALLY.SDR HEEA967372Cone Set · damagedMECHANICAL DAMAGE. REPLACED WITH SERVICEABLE CONE SET.SDR ERAA96237Gear Tooth · chippedNEW PINIONS RECEIVED WITH TOOTH CHIPPED AND BEARING RACE HAS SCRATCHES THAT CAN BE FELT WITH PROBES. SN 3100 & 3153SDR CA960530003Driveshaft · torn boot(CAN) RUBBER BOOT COMPLETELY TORN.SDR 96ZZZX2276Shaft Assy · damagedDURING THE ENGINE 100-HOUR INSPECTION, DAMAGE TO THE ENGINE TO TRANSMISSION DRIVE SHAFT WAS OBSERVED. THE DAMAGE WAS FULL CIRCUMFERENCE AND WAS CAUSED BY CONTACT WITH THE FIREWALL. THE SHAFT PASSES THROUGH TWO HALF FLANGE ASSEMBLIES. THE CLEARANCE BETWEEN TSDR HEEA966899Shaft · brokenSHAFT BROKEN. BROKE BELOW SAFETY HOLE. REPLACED WITH SERVICEABLE UNIT.SDR AU960435Bearing · undersize(AUS) MAIN ROTOR FREE WHEEL UNIT BEARING ROLLERS UNDERSIZE - SEE MDR 96/0433 FOR ADDITIONAL INFORMATIONSDR AU960433Bearing · undersize(AUS) MAIN ROTOR TRANSMISSION DRIVE FLANGE SHEAR SCREWS DISTORTED - SUSPECT DUE TO SLIPPAGE OF THE FREEWHEEL UNIT DUE TO FITMENT OF UNDERSIZE BEARING ROLLERS AND SUBSEQUENT SHOCK LOADING DURING RE-ENGAGEMENT - SEE ALSO MDR 96/0435 AND MDR 96/0341SDR HAI00000068Seal · wornSEAL IS WORN EXCESSIVELY. CUSTOMER COMPLAINT IS THAT ALL OF THE "2890" SERIES SEALS WITH THE BLACK MATERIAL SEEM TO WEAR DEEPER GROOVES AT A FASTER RATE THAN THE CHICAGO RAWHIDE SEALS WITH THE RED MATERIAL. THIS IS FOR INFORMATION ONLY.SDR 9668Seal · worn excessPART IS WORN EXCESSIVELY. CUSTOMER COMPLAINT IS THAT ALL OF THE "2890" SERIES SEALS WITH THE BLACK MATERIAL SEEM TO WEAR DEEPER GROOVES AT A FASTER RATE THAN THE CHICAGO RAWHIDE SEALS WITH THE RED MATERIAL.SDR 96ZZZX2212Boot · tornDAILY AAIP FOUND BOOT TORN. DRIVE SHAFT SLINGING GREASE.SDR CA960313007V Belt · split(CAN)DURING A TEST FLIGHT THE TWO BELTS SPLIT IN TWO.SDR AU960370Clutch · damaged(AUS) ENGINE TO TRANSMISSION SPRAG CLUTCH ASSEMBLY DAMAGED - WEAR EVIDENT ON CLUTCH SHAFT, CLUTCH HOUSING AND SPRAG ROLLERS -SUSPECT CLUTCH SLIPPAGE CONTRIBUTED TO THE FAILURE OF THE FORWARDFLEX PLATESDR HEEA966748Seal · fell outSEAL FELL OUT OF SUPPORT ASSEMBLY. REPLACED WITH SERVICEABLE SEAL.SDR AU960371Flex Plate · failed(AUS) CLUTCH TO TRANSMISSION FLEX PLATE FAILED AT ALL FOUR ATTACHMENT POINTS - TWO LOOSE BOLTS WERE FOUND ON THE FORWARD YOKE ON THE TRANSMISSION - FLEX PLATE WAS A PRE 'F' MODELSDR AU960341Bearing · worn(AUS) MAIN ROTOR TRANSMISSION PNO 47-620-600-27 MAIN DRIVE FLANGE SHEARBOLTS PNO 047-620-485-009 SHEARED - DAMAGE TO MAIN ROTOR SWASHPLATE AND CONTROL RODS - TAIL ROTOR DRIVE SHAFT FAILED AT FORWARD HANGER BEARING - INSPECTION FOUND THAT THE ROLLER BEARINGS PNSDR CA960312018Freewheel Assy · leaking seal(CAN)FORWARD SEAL LEAKING EXCESSIVELY. TIME SINCE REPAIR THIS INSTALLATION 496.8 HOURS.SDR 96ZZZX2340Bearing · groovedAT 3,000-HOUR OVERHAUL, BEARING ROLLER FOUND TO HAVE DEEP GROOVE ON ONE ROLLER, SCRAPPED BEARING.SDR AU960238Locknut · loose(AUS) TRANSMISSION CLUTCH BEARING RETENTION NUT LOCKWIRE BROKEN ALLOWING THE OUTER CLUTCH HOUSING TO BIND AGAINST THE FIRST STAGECARRIER - SUSPECT CAUSED BY INSUFFICIENT TORQUE ON NUT DURING LAST TRANSMISION OVERHAUL, NUT AND/OR BEARINGS NOT CORRECTLY SEATEDSDR CA960312010Housing · loose stud(CAN)FORWARD HOUSING ASSEMBLY P/N 206-040-236-013 HAS A STUD P/N AN125982 PULLING OUT.SDR 96ZZZX2360Boot · leakingSCHEDULED INSPECTION, FOUND THE BOOT WAS LEAKING AND SEAL WAS TORN.SDR 96ZZZX1036Clutch Cable · brokenWHILE HERDING CATTLE, PILOT LANDED TO OPEN GATE. PILOT HEARD A LOUD POP. ON INVESTIGATION, HE FOUND THE CLUTCH CABLE BROKEN. FURTHER INVESTIGATION REVEALED THE CABLE BROKE AT SWAGED BALL END. THIS CABLE ASSY IS NOT INSPECTED UNTIL THE 400-HOUR INSPECTION ESDR CA960126006Flange · cracked(CAN)DURING FLIGHT PILOTS REPORTED A HIGH FREQUENCY VIBRATION IN THE FOOT PEDALS AND PARKING BRAKE 'T' HANDLE. A LOUD GROWL NOISE WAS ALSO HEARD FROM THE #1 ENGINE. UPON SHUT DOWN AND FURTHER INVESTIGATION , IT WAS FOUND THAT THE #1 ENGINE OUTPUT FLANGE SHAFT SDR 96ZZZX1042Clutch Cable · failedWHILE HERDING CATTLE AT 75 FEET, AGL. PILOT HEARD A LOUD BANG AND ROTOR RPM DECREASED AND ENGINE RPM INCREASED. AIRCRAFT IMPACTED GROUND CAUSING SUBSTANTIAL DAMAGE TO THE AIRCRAFT. INVESTIGATION OF THE NOISE REVEALED THE CLUTCH CABLE HAD BROKEN AT CABLE ENDSDR HEEA966379Clutch · defectiveCLUTCH SLIPPAGE AND SUDDEN ENGAGEMENT. REPLACED WITH SERVICEABLE CLUTCH.SDR CA960111018Bearing · failed(CAN)AIRCRAFT FLYING IN CRUISE WHEN SMELLED BURNING GREASE AND HEARD A KLUNK. UPON INSPECTION FOUND IDLER PULLEY BEARING FAILURE DUE TO GREASE LEAKING. BEARING FAILURE CAUSED EXCESSIVE HEAT DISTRIBUTION TO REINFORCED IDLER PULLEY SUPPORT BRACKET P/N 269A5575 ASDR HEEA956327Coupling · defectiveCOUPLING SLINGING GREASE.SDR HEEA956326Coupling · defectiveCOUPLINGSLINGING GREASE.SDR 96ZZZX206Coupling · crackedFLEX COUPLING HAS CRACKED LAYER.SDR HEEA956178Clutch · cage wornCOMPLIED WITH 600 HOUR INSPECTION. SCRAPPED CLUTCH DUE TO INNER CAGE WORN BEYOND LIMITS. REPLACED WITH SERVICEABLE CLUTCH.SDR HEEA956165Clutch · cage brokenDURING 600 HOUR CLUTCH INSPECTION; FOUND INNER CAGE BROKEN ON CLUTCH. REPLACED WITH SERVICEABLE PART.SDR HEEA956132Clutch · wornINNER CAGE WORN BEYOND LIMITS AT INSPECTION. REPLACED CLUTCH WITH SERVICEABLE PART.SDR HEEA956092Clutch · wornINNER CAGE WORN BEYOND LIMITS. REPLACED WITH SERVICEABLE CLUTCH.SDR HEEA956040Seal · leakingSEAL LEAKING.SDR 95ZZZX7051Coupling · pittedDRIVE COUPLING PITTED. REPLACED WITH NEW COUPLINGS.SDR 95ZZZX7050Coupling · pittedDRIVE COUPLING PITTED. REPLACED WITH NEW COUPLINGS.SDR 95ZZZX7047Coupling · pittedDRIVE COUPLINGS PITTED. REPLACED WITH NEW COUPLING.SDR 95ZZZX7046Coupling · pittedDRIVE COUPLINGS PITTED. REPLACED WITH NEW COUPLING.SDR 95ZZZX6897Drive Shaft · overheatLOW TEMP INDICATOR TURNED BLACK ON ROTOR BRAKE END OF SHAFT. PROSEAL ON INSIDE OF COUPLING SHOWS SIGNS OF OVERHEATING. CAUSE UNKNOWN, GREASE IN NORMAL CONDITION.SDR 95ZZZX6896Drive Shaft · overheatDURING DAILY INSPECTION FOUND INDICATORS TURNED BLACK (YELLOW) BOTH COUPLINGS, GREASE FOUND NORMAL CONDITION. PROSEAL SHOWED SIGNS OF OVERHEAT.
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