JASC 6320
Service difficulty reports · 1,930
Reports filed under 6320 · Main Rotor Gearbox, 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 = '6320' 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 = '6320' 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 CA030103016Tube · chafed(CAN) AFTER A FLIGHT OF 3.7 HOURS, WHILE DOING THE DAILY INSPECTION A LARGE PATCH OF OIL WAS FOUND UNDER THE HELICOPTER. THE BELLY WAS COVERED BY OIL. INVESTIGATION REVEALED 2 TUBES FROM THE TRANSMISSION TO THE OIL COOLER HAD CHAFED AGAINST EACH OTHER AND WERSDR Z9B2003F00001Transmission · making metalMETAL IN OIL RESULTING IN CHIP WARNING INDICATIONS. OIL FILTER CONTAINED BARASS AND IRON FINE FLAKES AND SLIVERS. SENT TO FACTORY REPAIR STATION FOR ANALYSIS AND REPAIR.SDR HXS2003F00000Transmission · making metalMAIN ROTOR TRANSMISSION, MAKING METAL.SDR ALG2003F00011Bulb · failed12 MINUTES AFTER TAKEOFF, THE PILOT NOTICED TRANSMISSION OIL TEMP FLUCTUATING BETWEEN 60 DEGREES AND 75 DEGREES C, RETURNED TO AIRPORT. THE MECHANIC REMOVED TRANSMISSION TEMP BULB CONNECTOR PLUG AND FOUND IT DIRTY, CLEANED THE CONNECTOR PLUG, IT DID NOT CURE SDR ALG2003F00013Chip Detector · dirtySHORTLY AFTER TAKEOFF, AFTER DROPPING THE PASSENGERS ON THE SUPER TANKER, THE PILOT TOOK OFF AND WAS ENROUTE, THE TRANSMISSION CHIP LIGHT ILLUMINATED, THE PILOT NOTIFIED VENICE BASE BY RADIO. UPON LANDING THE MECHANIC REMOVED THE MAST BEARING CHIP PLUG AND FOSDR ALGA081637Bearing · wornMAIN ROTOR GEARBOX BEARING HAS AXIAL PLAY THAT EXCEEDS ALLOWABLE LIMITS, BEARING DID NOT REACH ITS EXPECTED LIMITS.SDR ALGA081636Bearing · wornMAIN ROTOR GEARBOX BEARING HAS AXIAL PLAY THAT EXCEEDS ALLOWABLE LIMITS, BEARING DID NOT REACH ITS EXPECTED 5000HR LIFE.SDR ALGA081635Bearing · wornMAIN ROTOR GEARBOX BEARING HAS AXIAL PLAY THAT EXCEEDS ALLOWABLE LIMITS, BEARINGS LIFE EXPECTANCY DID NOT REACH 5000HRS.SDR ALGA081634Bearing · wornMAIN ROTOR GEARBOX BEARING HAS AXIAL PLAY THAT EXCEEDS ALLOWABLE LIMITS, PART DID NOT REACH ITS LIFE EXPECTANCY OF 5000HRS.SDR HEEA082671Transmission · making metalTRANSMISSION MAKING METAL. REPAIRED.SDR HEEA082670Transmission · making metalTRANSMISSION MAKING METAL. REPAIRED.SDR HEEA082633Case · corrodedLOWER TRANSMISSION CASE CORRODED AT ATTACHMENT FLANGE. REPAIRED.SDR ALGA081630Bearing · wornCOOLER BLOWER BEARING IS ROUGH IN ROTATION.SDR IO5R081609Mount · defectiveLT AFT ARIS MOUNT DEFLATED IN FLIGHT REMOVED AND REPLACEDSDR IO5R081608Mount · defectiveLT FWD ARIS MOUNT DEFLATED REMOVED AND REPLACEDSDR IO5R081607Mount · failedARIS MOUNT FAILED IN FLIGHT, WATER EVERYWHERE REMOVED AND REPLACEDSDR ALGA081611Bearing Race · failedTRANSMISSION HAS METAL IN OIL. BEARING RACE FAILURESDR HEEA082581Idler Gear · wornMAIN ROTOR HAS WORN BEARINGS. REPAIRED AND REPLACED BEARINGS.SDR CA021203012Bearing · spalled(CAN) TRANSMISSION REMOVED BECAUSE OF CHIP INDICATIONS. BEARING FOUND SPALLED ON INPECTION.SDR CA021203011Sun Gear · spalled(CAN) TRANSMISSION REMOVED FOR METAL CONTAMINATION SUN GEAR FOUND DAMAGED ON INSPECTION.SDR ERAA082709Sleeve · stiffTRANSMISSION SLIDING SLEEVE STIFF.SDR ERAA082708Sleeve · stiffSLIDING SLEEVE STIFF. SLIDING SLEEVE BUSHINGS ARE VERY TIGHT, UPON REMOVAL SLIDING SLEEVE, SCRAPPED DUE TO EXCESSIVE CORROSION. INSTALLED NEW SLIDING SLEEVE, MAST SEAL & PACKINGS. REASSEMBLED TOP CASE ASSY & REINSTALLED IAW REM 103, COMPLIED WITH FREEWHEELSDR ERAA082706Transmission · making metalTRANSMISSION MAKING METAL. OIL MANIFOLD, TEMP PLUG & SWASHPLATE DRIVE LINK BUSHING NOT INSTALLED ON TRANSMISSION. PLANETARY AXLE BREAKING DOWN. SCRAPPED 1 GEAR, 5 PLANETARY AXLES, 5 DOUBLE ROW CAGES. REMOVED TOP CASE, LT & RT INPUT PINIONS & PLANETARY, DISASDR ERAA082705Transmission · making metalTRANSMISSION MAKING METAL. MAST BEARING INNER RACE BREAKING DOWN, MIXING LEVER BEARINGS FROZE UP, BEARING BLOCK BEARINGS ROUGH, ACCESS. DRIVE SEALS LEAKING, TOP CASE BEARING PITTED, SWASHPLATE BOOT TORN, COLLECTIVE LEVER BEARINGS ROUGH. REMOVED TOP CASE ASSY,SDR BAQA081226Transmission · making metalREMOVED FOR METAL CHIP EVENTS. THE MAIN TRANSMISSION WAS SENT DIRECTLY FROM WASHINGTON D.C. TO AEC. THE HARD CARD IS WITH THE UNIT.SDR CA021129007Tube · chafed(CAN) AN OIL LEAK APPEARING TO BE ORIGINATED FROM BRAIDED STEEL TRANSMISSION RETURN LINE FROM THE FREEWHEELING UNIT. CLOSER INSPECTION REVEALED THAT ADJACENT ALUMINUM TUBE WAS CHAFED. VERIFIED PROPER CLAMPING OF THE AFFECTED PARTS, NO FAULT WAS FOUND. APPARSDR AUS20021277Hose · worn(AUS) TRANSMISSION OIL HOSE CHAFING ON AIRCRAFT STRUCTURE.SDR CA021021006Bearing · making metal(CAN) RT INPUT BEARING OUTER RACE PEELING/SPALLING.METAL PARTICLES FROM DAMAGED INPUT PINION.SDR CA021016003Chip Detector · flaking(CAN) TIN PLATING OF CHIP DETECTOR POLES FOUND TO BE FLAKING OFF, POTENTIAL FOR ERRONEOUS INDICATION. PART REPLACED WITH SERVICEABLE UNIT AND SENT TO MANUFACTURER FOR ANALYSIS.SDR AUS20021096Hose · worn(AUS) TRANSMISSION OIL HOSE HOLED AND LEAKING. HOSE WAS CHAFING ON AN ADJACENT PIPE. TRANSMISSION OIL LOST OVERBOARD.SDR CA021021002Bearing · peeling(CAN) BEARING OUTER RACE PEELING/SPALLING. METAL PARTICLES FROM BEARING DAMAGED INPUT PINION .SDR CA031117011Gearbox · contaminated(CAN) ENGINE CHIP LIGHT ILLUMINATED DURING START. THE ENGINE WAS REMOVED AND SENT OUT FOR REPAIR. THE SUSPECTED CAUSE OF THE METAL CONTAMINATION WAS THE SPUR ADAPTER GEARSHAFT WHICH WAS A PMA PART OR THE 2.5 BEARING.SDR CA020917006Gearbox · contaminated(CAN) THE AIRCRAFT WAS CONDUCTING NORMAL LOGGING OPERATIONS WHEN THE OIL PUMP CHIP LIGHT ILLUMINATED. A/C RETURNED TO BASE & SCREEN WAS REMOVED & CONTENTS INSPECTED. 5 PIECES OF ALUMINUM WERE FOUND, APPROX. 10MM LONG, ONE WAS 5MM WIDE, THE OTHER FOUR WERE 2 TSDR CA021021004Bearing · making metal(CAN) RECEIVED WITH REPORT OF METAL CONTAMINATION. TEARDOWN REVEALED SUBJECT BEARING HAD PEELING ON ONE BALL ONLY. AREA OF MATERIAL LOSS WAS 30 PERCENT.SDR CA021021003Bearing · peeling(CAN) BEARING PITTED AND PEELINGSDR CA020913003Housing · worn(CAN) INPUTS HAVE SIGNS OF METAL TRANSFER IN FROM THE ROLLERS TO THE GEAR HOUSING BORE, ON THE RT HOUSING THE ROLLER PATH IS BREAKING UP. OIL-LITE WASHERS ARE WORN, DEBRIS WAS IN OIL FOUND IN AND AROUND THE ROLLER AREA. LT INPUT THE UPPER OIL-LIGHT WAS REMOVSDR YT2R631356Indicator · failedINDICATOR HAS FAILED (FALSE EXCEEDANCES THAT CANNOT BE CLEARED). WHEN LAPTOP IS CONNECTED GET AN ERROR SAYING THAT IP ADDRESS IN NOT CORRECT.SDR CA020814004Case · mismanufactured(CAN) MAIN ROTOR GEARBOX HAS A CASTING FLAW IN CASE.SDR R7MR35534Clutch · failedCLUTCH IS NOT ENGAGING (NOT HEARD OR FELT). REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR CA020913001Ring Gear · cracked(CAN) DURING NORMAL OPERATION, RING GEAR CRACKED, CHIP LIGHT ILLUMINATED, AIRCRAFT RETURNED FOR LANDING. GEARBOX REMOVED FOR FURTHER INVESTIGATION. REVEALED BROKEN TOOTH ON RING GEAR, BROKEN TOOTH ON PLANETARY PINION AND DAMAGED SUN GEAR. GEARBOX REPAIRESDR CA020827008Sun Gear · cracked(CAN) CUSTOMER REPORTED TRANSMISSION TO BE MAKING METAL AT 185.1 SINCE OVERHAUL. TRANSMISSION RETURNED TO OUR FACILITY FOR TEARDOWN AND INSPECTION. ON TEARDOWN IT WAS FOUND THAT THE SUN GEAR HAD FAILED. THE SUN GEAR WAS INSTALLED NEW AT THE TIME OF OVERHAUL.SDR HEEA080707Pump · leakingTRANSMISSION OIL PUMP FOUND LEAKING.SDR HEEA080646Hose · leakingFWU RETURN LINE FROM TRANSMISSION TO FIREWALL LEAKING. SCRAPPED.SDR HEEA080611Gearbox · corrodedCORROSION FOUND ON MAIN ROTOR GEARBOX. REPAIRED.SDR HEEA080569Bearing · wornMAIN ROTOR GEARBOX HAS WORN BEARINGS. REPAIRED.SDR HEEA080568Bearing · wornMAIN ROTOR GEARBOX HAS WORN BEARINGS. SCRAPPED.SDR HEEA080567Bearing · wornMAIN ROTOR GEARBOX HAS WORN BEARINGS. SCRAPPED.SDR HEEA080566Bearing · wornMAIN ROTOR GEARBOX HAS WORN BEARINGS. SCRAPPED.SDR CA021016008Pin · unstaked(CAN) POST FLIGHT INSPECTION REVEALED THE SPHERICAL BEARING ON THE DRAG PIN ASSEMBLY HAD BECOME PARTIALLY UNSTAKED. REPLACEMENT PART INSTALLED.SDR EHA2002F00006Pressure Switch · intermittentMAIN TRANSMISSION OIL PRESSURE SWITCH LIGHT INTERMITTNETLY INOPERATIVE. REPLACED PRESSURE SWITCH.
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