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 98ZZZX1111Strut Bearing · crackedCAGE OF UPPER JACK STRUT BEARING WAS FOUND BROKEN DURING ANNUAL INSPECTION WHILE GREASING BEARING. THIS WAS THE SECOND BEARING FOUND IN THIS CONDITION. IT SHOULD BE NOTED THIS BEARING HAS A 600-HOUR LIFE LIMIT AND A 100-HOUR LUBE SCHEDULE. SUBMITTER STATED SDR HEEA0012761Pin · wornGIMBLE JOINT PIN WORN. SCRAPPED AT PHI.SDR HEEA0012675Housing Assy · strippedHOUSING ASSY THREADS STRIPPED.SDR CHI2010Clutch · malfunctionedNR 1 CLUTCH HAD OVERRUN DURING TOPPING CHECK AND WOULD NOT RE-ENGAGE. NO PROBLEM FOUND WITH CLUTCHES, HUB OR PINION. (X)SDR CHI2009Clutch · slippedNR 1 CLUTCH SLIPPED IN-FLIGHT. NO APPARENT DEFECTS FOUND ON INSPECTION. DIMENSIONAL INSPECTION OF PINION AND HUB SHOW THEM TO BE WELL WITHIN LIMITS. CLUTCH NEEDS TO BE INSPECTED BY HIGHER INSPECTION AUTHORITY. (X)SDR 98ZZZX657Input Pinion · leakingINPUT PINION ASSY LEAKING OIL BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 98ZZZX656Input Pinion · leakingINPUT PINION ASSY LEAKING OIL BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 98ZZZX468Sprag Clutch · undersizedNR 2 CLUTCH DISENGAGED DURING FLIGHT. FOUND CLUTCH SPRAGS MAY BE UNDERSIZED. ALL OTHER PARTS CHECKED GOOD ON DIMENSIONAL INSPECTION.SDR AU980202Bearing · failed(AUS) TRANSMISSION FREE WHEEL ASSEMBLY FORWARD BEARING PNO206-040-205-005 AND SHAFT BEARING SURFACE PNO 206-040-222-005 FAILED.SDR 98ZZZX941Coupling · corrodedOUTER COUPLING HAS CORROSION ON INTERNAL SPLINES. LESS THAN 1 YEAR IN SERVICE. REMOVED AND REPLACED.SDR 98ZZZX940Coupling · corrodedOUTER COUPLING HAS CORROSION ON INTERNAL SPLINES, LESS THAN 1 YEAR ON SERVICE. REMOVED AND REPLACED.SDR CA971221016Spring · failed(CAN) REF: RSB 21 AND FAA AD 97-16-02 SPRING ASSY, WOULD NOT TRIP THE STOPPING OF THE ACTUATOR ON THE LEFT SIDE. SWITCH V3-1001 WAS OK AND HAD BEEN DONE AT 497 HOURS AND WAS OK.SDR 98ZZZX466Adapter · scoredDURING INSPECTION DISCOVERED SAFETY WIRE PIGTAIL HAD BEEN TURNED IN WRONG DIRECTION AND HAD WORN A GROOVE IN THE FACE OF THE MAIN DRIVESHAFT ADAPTER. THIS CONDITION, IF NOT DISCOVERED, WOULD EVENTUALLY LEAD TO MAIN DRIVESHAFT FAILURE.SDR HEEA0011954Output Flange · shearedENG OUTPUT SHAFT SHEARED AT THREADS. SCRAPPED PART.SDR CA971110004Spiralbevel Gear · cracked(CAN) IN NORMAL SERVICE, THE ATTACHMENT BOLT TORQUE OF THE GEAR TO SHAFT (P/N 204-040-324-5) BECAME REDUCED RESULTING IN FRETTING CORROSION OF THE MATING SURFACES. A SURFACE CRACK WAS FOUND DURING OVERHAUL BETWEEN TWO OF THE ATTACH BOLT HOLES IN THE GEAR. SUSDR CA971113060Couplings · no lube(CAN) INSUFFICIENT GREASE IN BOTH DRIVE SHAFT COUPLINGS. IN ADDITION, ONE BOOT WAS FOUND COMPLETELY TORN.SDR HEEA0011745Ring · wornBORES WORN ON GIMBAL RING.SDR HEEA0011744Coupling · wornCOUPLING BEARINGS WORN.SDR AU971481Pulley · worn(AUS) DRIVE BELT IDLER PULLEY HAD THE ANODIZED COATING WORN THROUGH IN ALL GROOVES.SDR AU971478Hub · mis installed(AUS) ENGINE TO TRANSMISSION UPPER CLUTCH HUB INSTALLED THE WRONG WAY AROUND. BEARING SEAT SHOULDER SHEARED OFF. PERSONNEL/MAINTENANCE ERROR.SDR HEEA0011454Idler Pulley · groovedIDLER PULLEY GROOVED BEARING SHAFT.SDR 97ZZZX4706Seal · leakFREEWHEELING UNIT FORWARD SEAL LEAKS EXCESSIVELY. REPLACED SEAL AND CORRECTED LEAK. AIRCRAFT TT: 135.5 HOURS.SDR CA971024010Bearing · peeling(CAN) MAIN TRANSMISSION LEFT INTERMEDIATE SHAFT BEARING FOUND PEELING.SDR 98ZZZX602Coupling · corrodedCOUPLING HAS CORROSION, PITTING ON TEETH. DAMAGED BEYOND LIMITS. REJECTED. REMOVED AND REPLACED.SDR HEEA0011164Clutch · mis assembledFREEWHEEL CLUTCH ASSEMBLED INCORRECTLY.SDR HEEA0011112Seal · leakFREEWHEEL LEAKING. NOTE: ANOTHER SEAL WAS REMOVED FOR LEAKING WITH A TOTAL TIME OF 64:20 ON 7-16-97.SDR CHI1913Clutch · slippedNR 1 CLUTCH REPORTED SLIPPING DURING LOGGING OPERATION. NR 1 IDLER ASSY REMOVED AND DISASSEMBLED. VISUAL AND DIMENSIONAL CHECK DONE ON PINION SPUR GEAR, IDLER HUB, AND CLUTCH SET. NO PROBLEM FOUND. AIRCRAFT HAD SAME PROBLEM 01-03-97 TSO, 309.9 HOURS. TT, SDR CHI1912Clutch · slippedAFTER NR 1 IDLER ASSY HAD BEEN REPLACED, AIRCRAFT'S NR 1 CLUTCH, WITH 8.7 HOURS, REPORTED SLIPPING. TRANSMISSION REPLACED AND NR 1 IDLER ASSY DISASSEMBLED. AT THAT TIME IT WAS VISUALLY INSPECTED, PARTS WERE ALSO DIMENSIONALLY CHECKED. AIRCRAFT HAD SAME PROBSDR CA971113047O-Ring · leaking(CAN) STATIC LEAK OUT OF FRONT PLUG OF FREEWHEEL. PLUG WAS REMOVED AND NEW O-RING INSTALLED. OLD RING WAS DRY AND CRACKED.SDR 98ZZZX601Coupling · corrodedM/R DRIVE INNER COUPLING PITTING CORROSION ON TEETH. REJECTED. REMOVED AND REPLACED.SDR HEEA0010855Idler Pulley · failedIDLER PULLEY DAMAGED AT BEST CLOSURE. GROOVES WITHIN BEARING FAILED.SDR 98ZZZX665Input Pinion · damagedRECEIVED INPUT PINION FROM MCDONNELL DOUGLAS TO REPLACE LEAKER. ON THE NEW UNIT, FOUND THE DRAIN TUBE WAS BENT. WHILE TRYING TO STRAIGHTEN THE TUBE, IT BROKE OFF. THE TUBE WAS BONDED BACK ON AND THEN ONE ATTACH EAR WAS FOUND BENT.SDR 98ZZZX662Input Pinion · leakingINPUT PINION LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA0010514Clutch · misassembledFREEWHEEL CLUTCH ASSEMBLED INCORRECTLY.SDR HEEA0010485Seal · leakingLEAKING (SEALING LIP LOOKS UNFINISHED) REPLACED WITH NEW SEAL. (BHT TOTAL SUPPORT AIRCRAFT) PARTS AND LABOR WILL BE INVOICED ON WO#9760784.SDR HEEA0010424Clutch · brokenFREEWHEEL CLUTCH HAS BROKEN CAGE.SDR HEEA0010423Clutch · slippageFREEWHEEL CLUTCH SLIPPAGE.SDR HEEA0010193Clutch · wornFREEWHEEL CLUTCH WORN SPRAG RETAINER.SDR HEEA0010097Clutch · brokenBROKEN CAGE. REPLACED WITH NEW CLUTCH. ALSO PINION P/N 4638202002, S/N 488, T.T. UNKNOWN AND F/W OUTER SHAFT P/N 4638302045, S/N 315, T.T. UNKNOWN REPLACED DUE TO DAMAGE CAUSED BY CLUTCH FAILURE.SDR AU970684Drive Belt · failed(AUS) ENGINE TO TRANSMISSION DRIVE FORWARD `V' BELT SPLIT AND ROLLED OFF PULLEY.SDR 97ZZZX3496Driveshaft · failedDRIVESHAFT CAUSED HIGH FREQUENCY VIBRATION DURING EXTERNAL LOAD OPERATIONS. DRIVESHAFT FAILED COMPLETELY AFTER APPROXIMATELY ONE MINUTE WHILE AIRCRAFT WAS RETURNING TO ITS LANDING AREA. AIRCRAFT SUSTAINED HARD LANDING WITH NO PILOT INJURIES.SDR HAIHEEA9990Clutch · slippingFREEWHEEL SLIPPAGE.SDR HAIHEEA9989Clutch · broken cageFREEWHEEL CLUTCH HAS BROKEN CAGE.SDR CHI1789Shaft Spline · crackedUPPER AND LOWER TRANSMISSION COUPLING SPLINE SHAFT HAS ONE SPLINE CRACKED NEAR OUTER END OF SPLINE. REPLACED CRACKED SHAFT WITH SERVICEABLE UNIT. (X)SDR 97ZZZX4432Coupling · wornIN-FLIGHT AND GROUND RUN, FOUND INTERMITTENT HIGH PITCHED WHINE IN CABIN. INNER COUPLING FOUND TO HAVE UNACCEPTABLE WEAR PATTERN. OUTER COUPLING WAS SERVICEABLE; NEITHER COUPLING WAS WORN BEYOND DIMENSIONAL LIMITS.SDR AU970504Bearing · rough(AUS) ENGINE TO TRANSMISSION CLUTCH UPPER SHEAVE BEARING NOISY AND ROUGH IN OPERATION - NO EVIDENCE OF LUBRICATION - TELETEMP INDICATOR HAD NOT ACTIVATEDSDR 97ZZZX2718Clutch · vibrationTHIS IS AN AMATEUR-BUILT AIRCRAFT FROM REVOLUTION HELICOPTERS. AT 100 PERCENT ENGINE RPM, PILOT REPORTED A VERY HIGH VIBRATION IN THE AIRFRAME. TROUBLESHOOTING REVEALED AN 8.0 IPS VIBRATION AT 6,500 RPM AT THE ENGINE CLUTCH ASSY. THE CLUTCH WAS SENT BACK TOSDR 97ZZZX2835Bearing · crackedOVERRUNNING CLUTCH BEARING OUTER RACE IS CRACKED.SDR HAIHEEA9741Clutch · wornENERGIZING RIBBON WORN. SPRAGS ARE LOOSE. SENT TO Z F LUFTFAHRTTECHNIK GMBH FOR INSPECTION AND REPAIR.SDR HAIHEEA9740Clutch · wornFREEWHEEL CLUTCH ENERGIZING RIBBON WORN. SPRAGS ARE LOOSE.
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