JASC 6320
Service difficulty reports · 1,931
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 HEEA0014251Pump Bearing · wornTRANSMISSION OIL PUMP BEARING WORN.SDR HEEA0014209Isolation Mt · wornISOLATION MOUNT HAS WORN BEARING.SDR AU980523Bearing · deteriorated(AUS) MAIN TRANSMISSION BEARING DETERIORATED. CHIP DETECTOR CONTAINED SIX PIECES OF FLAKED MAGNETIC MATERIAL. THE TRANSMISSION WAS CHANGED.SDR HEEA0014183Flingers · groovedHYD PUMP SEAL FLINGER IS GROOVED. REPLACED WITH A SERVICEABLE PART.SDR HEEA0014182Bearing · spalledBEARING SPALLING. REPLACED WITH A SERVICEABLE PART.SDR HEEA0014181Adapter Shaft · wornADAPTER SHAFT WORN SEAT. REPLACED WITH A SERVICEABLE PART.SDR CA980908018Bearing · damaged(CAN) RIGHT INPUT BEARING PEELING.SDR HEEA0014143Seal · leakingOIL SEAL LEAK.SDR CA980521006Support · cracked(CAN) CRACK FOUND ON ONE OF THE EARS WHICH MOUNTS THE LIFT LINK ASSY. CRACKED FROM BOLT HOLE TO EDGE.SDR HEEA0014135Seal Assy · leaksSEAL LEAKS.SDR HEEA0014096Transmitter · failedGAUGE READS ZERO OIL PRESSURE.SDR HEEA0014074Indicator · fluctuatesOIL PRESS NEEDLE FLUCTUATES.SDR 98ZZZX1706Spur Gear · fracturedINVESTIGATION INTO A SERIES OF CHIP DETECTOR LIGHTS ON THE MAIN GEARBOX REVEALED THE SPUR GEAR HAD FRACTURED IN THREE PLACES. THE WEB OF THE GEAR HAD TWO SEPARATE FRACTURES AND THE SHAFT OF THE GEAR HAD ONE FRACTURE. TWO OF THE PINS (P/N HL12VLJ-8-5/6) THAT SDR AU980499Switch · faulty(AUS) MAIN ROTOR GEARBOX TEMPERATURE SWITCH FAULTY.SDR AU980437Gear · pitted(AUS) DURING A SCHEDULED INSPECTION, METAL WAS FOUND ON THE M/R TRANSMISSION'S CHIP DETECTORS. ON TEAR DOWN INSPECTION, THE TRANSMISSION'S INPUT GEAR SHAFT WHICH FORMS THE INNER BEARING SURFACE FOR BEARING PN 206-040-031-107 RACE WAS FOUND TO HAVE SEVERE BRINSDR AU980498Bolt · separated(AUS) BOLT HEAD SEPARATED FROM THE SHANK. DOWEL PIN SHEARED.SDR 98ZZZX1888Switch · failedGEARBOX OIL PRESSURE MALFUNCTION IS COMMON DUE TO PRESSURE SWITCH. SUBMITTER STATED THE SYSTEM NEEDS A PRESSURE GAUGE TO VERIFY LIKE THE ENGINE OIL SYSTEM.SDR HEEA0013817Oil Cooler · leakingOIL COOLER LEAKING.SDR HEEA0013813Pump · leakingSEAL LEAKING-SHAFT WORN.SDR HEEA0013798Pump · wornSHAFT BUSHING WORN.SDR HEEA0013797Pump · failedSHAFT BUSHING WORN.SDR HEEA0013760Lower Housing · wornM/R GR BOX LOWER HOUSING SEAT WORN, LOOSE INSIDE LINERS.SDR 99ZZZX208Gearbox · making metalUPON INSPECTION OF GEARBOX PARTS DURING DISASSEMBLY, FOUND CUT O-RING UNDER SCREEN NR 6840136 IN OIL DELIVERY TUBE OIL PASSAGE. THIS COULD HAVE CAUSED RESTRICTED OIL FLOW TO OIL DELIVERY TAKE WHICH LUBES 2-1/2 BEARING AREA. SUBMITTER STATED LACK OF OIL IN 2SDR AU980356Chip Detector · faulty(AUS) MAIN GEARBOX LT CHIP DETECTOR FAULTY.SDR HEEA0013598Oil Pump · failedOIL PUMP OUTER LINER BREAKING DOWN.SDR HEEA0013559Upper Housing · defectiveUPPER BORE WORN LINER LOOSE.SDR HEEA0013549Center Case · wornTR QUILL WORN. OIL NOZZLE SEAT WORN. ACCY FAN DRIVE QUILLS WORN AND PIN SEAT WORN.SDR HEEA0013548Lower Housing · corrodedM/R GR BOX LINERS LOOSE. INTERNAL SHAFT SEAT WORN. CORROSION ON LOWER FLANGE.SDR 98ZZZX1750Transducer · failedTRANSDUCER FAILED. NEVER USED. REMOVED AND REPLACED.SDR HEEA0013410Indicator · failedNO PRESSURE INDICATION POWER. XMSN OIL TEMP/PRESSSDR HEEA0013358Pressure Switch · failedTRANS. PRESS CAUTION LIGHT WILL NOT ILLUMINATE.SDR 98ZZZX1353Bypass Indicator · failedMGB FILTER BYPASS INDICATOR UNIT INOPERATIVE. EVEN WITH FRESH FILTERS INSTALLED, UNIT 'POPS'. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA0013279Center Case · wornCENTER CASE WORN. TAIL ROTOR BORE 91.90MM.SDR HEEA0013197Ring Gear · corrodedWORN PILOT DIA'S AND CORROSION ON UPPER AND LOWER FLANGES.SDR HEEA0013179Indicator · failedTRIPLE OIL PRESSURE INDICATOR FAILED. TRANSMISSION PRESSURE DROPPING TO ZERO.SDR CA980311004Sensor · cracked(CAN) DURING 1200 HOUR INSPECTION AN OIL MONITOR WAS FOUND CRACKED 360 DEG. OF RADIUS BETWEEN BOLT HEAD AND SHAFT.SDR HEEA0013171Cylinder Roller · failed3000 HOUR OVERHAUL DUE. ROLLER BEARING P/N 4638-302-025 RECOMMENDED. SCRAPPED PART. REPLACED WITH SERVICEABLE PART.SDR HEEA0013170Bearing · failed3000 HOUR OVERHAUL DUE. BEARING ROLLOVER. SCRAPPED PART. REPLACED WITH SERVICEABLE PART.SDR HEEA0013169Roller Bearing · corroded3000 HOUR OVERHAUL DUE. BEARING CORROSION. SCRAPPED PART. REPLACED WITH SERVICEABLE PART.SDR HEEA0013168Ball Bearing · corroded3000 HOUR OVERHAUL DUE. BEARING CORROSION. SCRAPPED PART. REPLACED WITH SERVICEABLE PART.SDR HEEA0013167Ball Bearing · corroded3000 HOUR OVERHAUL DUE. BEARING CORROSION. SCRAPPED PART. REPLACED WITH SERVICEABLE PART.SDR HEEA0013166Ball Bearing · corroded3000 HOUR OVERHAUL DUE. BALL BEARING CORROSION. SCRAPPED PART. REPLACED WITH SERVICEABLE PART.SDR HEEA0013165Cylinder Roller · corroded3000 HOUR OVERHAUL DUE. CORROSION ON ROLLERS. SCRAPPED PART. REPLACED WITH SERVICEABLE PART.SDR HEEA0013164Roller Bearing · failed3000 HOUR OVERHAUL DUE. BEARING ROLLOVER. SCRAPPED PART. REPLACED WITH SERVICEABLE PART.SDR HEEA0013163Roller Bearing · failed3000 HOUR OVERHAUL DUE. BEARING ROLLOVER. SCRAPPED PART. REPLACED WITH SERVICEABLE PART.SDR HEEA0013162Roller Bearing · failed3000 HOUR OVERHAUL DUE. BEARING ROLLOVER AND CORROSION. SCRAPPED PART. REPLACED WITH SERVICEABLE PART.SDR HEEA0013161Ball Bearing · failed3000 HOUR OVERHAUL DUE. BEARING ROLLOVER. SCRAPPED PART. REPLACED WITH SERVICEABLE PART.SDR HEEA0013160Roller Bearing · failed3000 HOUR OVERHAUL DUE. BEARING ROLLOVER. SCRAPPED PART. REPLACED WITH SERVICEABLE PART.SDR HEEA0013159Roller Bearing · failed3000 HOUR OVERHAUL DUE. BEARING ROLLOVER. SCRAPPED PART. REPLACED WITH SERVICEABLE PART.SDR HEEA0013158Bearing · failed3000 HOUR OVERHAUL DUE. BEARING ROLLOVER. SCRAPPED PART. REPLACED WITH SERVICEABLE PART.
Back to JASC 6320