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.

SDR HCM2002F00001Warning Light · illuminatedWHILE ON A SIGHTSEEING FLIGHT, PILOT EXPERIENCED A MAIN GEARBOX CHIP LIGHT INDICATION. THE PILOT MADE A PRECAUTIONARY LANDING. UPON INSPECTION OF THE MAIN GEARBOX CHIP PLUGS BY MAINTENANCE PERSONNEL, NO METAL WAS FOUND. CLEANED MAGNETIC CHIP PLUGS AND CONNEJul 18, 2002 · N982BH · Snias AS350B2SDR CA020715009Transmission · making metal(CAN) ONE CHIP LIGHT OCCURRENCE. CHIP PLUG AND FILTER INSPECTED AND AN EXCESSIVE AMOUNT OF MAGNETIC PARTICLES WERE FOUND. THE FILTER HAD BEEN INSPECTED 10 HRS PREVIOUSLY. THIS FAILURE IS USUALLY INDICATIVE OF A FAILED INPUT QUILL.Jul 12, 2002 · Bolkms BO105CSDR CA020718001Transmission · making metal(CAN) WHILE IN NORMAL CRUISE CONFIGURATION "MAIN TRANSMISSION" LIGHT ILLUMINATED. PILOT ACTIVATED PULSE CHIP DETECTOR SYSTEM AND LIGHT EXTINQUISHED. THE LIGHT RE-ILLUMINATED APPROX. 1.5 HOURS LATER. THE PILOT ONCE AGAIN ACTIVATED THE PULSE CHIP. DETECTOR SYSTEJul 11, 2002 · Bolkms BO105CSDR KBMA117648Support · wornTRANSMISSION MOUNT MAKES CLICKING SOUND. RIGHT SIDE, BEARING WAS WORN BEYOND LIMITS. REPLACED WITH NEW SUPPORT AND BEARING.Jul 1, 2002 · N73DP · Bell 206BSDR HEEA080287Thermoswitch · malfunctionedTRANS OIL TEMP CAUTION LIGHT CAME ON WITH TEMP IN THE MIDDLE OF OPERATING RANGE. REPLACED WITH SERVICEABLE PART.Jun 27, 2002 · N30KH · Bell 206L3SDR HEEA080167Case · crackedINDICATIONS FOUND ON WEBS DURING NDT INSPECTION OF CASE. TO BE SENT TO VENDOR.Jun 26, 2002 · N8588X · Bell 206L3SDR HEEA080138Filter · bypassingC-BOX BYPASS FILTER BUTTON POPPED. SCRAPPED FILTER.Jun 26, 2002 · N2149S · Bell 412SDR HEEA080136Fitting · damagedSUSPECT THAT COMBINING GEARBOX IS TRANSFERRING TO THE NR 1 ENGINE. SCRAPPED FITTING DUE TO GOUGHES ON FITTING FLARES.Jun 26, 2002 · N6559Z · Bell 412SDR HEEA080131Indicator · reads lowINDICATOR READS 3 PSI LOW. REPLACED WITH SERVICEABLE INDICATOR.Jun 26, 2002 · N2148K · Bell 412SDR HEEA080126Link · wornLIFT LINK ASSY WORN. REPLACED WITH SERVICEABLE PART.Jun 26, 2002 · N6559Z · Bell 412SDR 2002FA0000862Oil Filter · mismanufacturedMAIN GEAR BOX OIL FILTER USED ON CERTAIN A/C HAVE A TAB TACK WELDED TO THE FILTER CASING SO SAFETY WIRE CAN BE ATTACHED. ON 5/30/02, 3 OF THESE FILTER HAD THE SAFETY WIRE TABS FALL OFF BEFORE THE FILTERS WERE INSTALLED. MFG WAS NOTIFIED OF THIS PROBLEM.Jun 25, 2002 · N455AE · Snias AS350B2SDR AUS20020649Bearing · failed(AUS) MAIN ROTOR TRANSMISSION OUTPUT SHAFT BEARING DISINTEGRATED. TAILROTOR DRIVESHAFT TWISTED UP AT TRANSMISSION END.Jun 17, 2002 · Hughes 269CSDR HEEA080095Valve · malfunctionedWHEN ENGINES ARE REDUCED TO IDLE TRANSMISSION OIL PRESSURE DROPS BELOW LOW RED AND TRANSMISSION OIL PRESSURE LIGHT ILLUMINATES. ADVANCING EITHER ENGINE TO 70 PERCENT N1 RESTORES PRESSURE TO NORMAL RANGE. WHEN OIL PRESSURE RELIEF VALVE WAS REMOVED IT WAS FOUNJun 11, 2002 · N5736D · Bell 212SDR HEEA080082Bearing · roughOIL COOLER BLOWER BEARING ROUGH.Jun 11, 2002 · N493PH · Bell 407SDR HEEA080081Bearing · roughOIL COOLER BLOWER BEARING ROUGH.Jun 11, 2002 · N495PH · Bell 407SDR HEEA079763Seal · leakingMAIN ROTOR GEARBOX OUTPUT DRIVE SEAL LEAKING. SCRAPPED.May 31, 2002 · N5748M · Bell 214STSDR HEEA079762Seal · leakingMAIN ROTOR GEARBOX OUTPUT DRIVE SEAL LEAKING. REPLACED WITH SERVICEABLE PART.May 31, 2002 · N5748M · Bell 214STSDR CA020611003Valve Seat · failed(CAN) DURING THE SCHEDULED 25 HOUR INSPECTION THE AME NOTED THAT THE VALVE SEAT HAD UNSCREWED ITSELF FROM THE FILTER BODY AND DAMAGED THE FILTER, WAFER. THE VALVE SEAT WAS SECURED AND THE FILTER, WAFER WAS REPLACED.May 30, 2002 · Bell 205A1SDR HEEA079614Tube · chafedMAIN ROTOR GEARBOX TUBE IS CHAFED. REPLACED WITH SERVICEABLE TUBE.May 30, 2002 · N2148K · Bell 412SDR HEEA079612Gearbox · making metalMAIN ROTOR GEARBOX MAKING METAL.May 30, 2002 · N3893L · Bell 412SDR HEEA079611Case · corrodedRUST FOUND IN TOP OPENING OF M/R GEARBOX CASE.May 30, 2002 · N2261D · Bell 412SDR HEEA079327Screw · corrodedMAIN ROTOR GEARBOX LUBE OIL PUMP ADJUSTMENT SCREW CORRODED.May 30, 2002 · N1545X · Skrsky S76ASDR B3OR20020012Pulley · scoredAIRCRAFT WAS IN FOR 500 HOUR INSPECTION. WHILE INSPECTING THE MAIN GEAR BOX COUPLING THAT DRIVES THE HYDRAULIC PUMP VIA A BELT AND PULLEY, THE PULLEY SURFACE WHERE THE BELT CONTACTS IT WAS FOUND TO BE UNUSUALLY ROUGH. THE BELT WAS ALSO INSPECTED AND FOUND TO May 29, 2002 · N5204X · Snias AS350B2SDR HEEA079556Line · chafedMAIN ROTOR LINE CHAFED. REPLACED WITH SERVICEABLE PART.May 28, 2002 · N2148K · Bell 412SDR HEEA079555Line · crackedMAIN ROTOR GEARBOX HAS A CRACKED LINE. REPAIRED LINE.May 28, 2002 · N5736D · Bell 212SDR HEEA079540Bearing · wornMAIN ROTOR GEARBOX LIFT LINK ASSY HAS WORN BEARINGS. REPLACED WITH SERVICEABLE PART.May 28, 2002 · N3893L · Bell 412SDR HEEA079427Filter · bypassingENGINE OIL FILTER BYPASSED AFTER FILTER CHANGE.May 28, 2002 · N2149S · Bell 412SDR HEEA079539Link · damagedTRANSMISSION LIFT LINK HAS AN UNSTAKED BEARING. REPLACED WITH SERVICEABLE PART.May 28, 2002 · N2149S · Bell 412SDR HEEA079538Link · wornTRANSMISSION CASE LIFT LINK HAS WORN BEARINGS. REPLACED WITH SERVICEABLE PART.May 28, 2002 · N2148K · Bell 412SDR HEEA079423Quill Assy · leakingMAIN ROTOR GEARBOX QUILL ASSY LEAKING. REPLACED WITH SERVICEABLE PART.May 28, 2002 · N2149S · Bell 412SDR HEEA079422Quill Assy · leakingMAIN ROTOR GEARBOX QUILL ASSY LEAKING. REPLACED WITH SERVICEABLE PART.May 28, 2002 · N107X · Bell 412SDR HEEA079421Seal · leakingMAIN ROTOR GEARBOX QUILL ASSY SEAL LEAKING. REPLACED WITH SERVICEABLE PART.May 28, 2002 · N2149S · Bell 412SDR HEEA079420Pressure Switch · damagedWORKING RIVETS ON CONNECTOR END OF THE GEARBOX PRESSURE SWITCH. SCRAPPED.May 28, 2002 · N1202T · Bell 412SDR HEEA079419Pressure Switch · failedTRANSMISSION OIL PRESSURE LIGHT WILL NOT COME ON AFTER SHUTDOWN. SCRAPPED AND REPLACE PRESSURE SWITCH.May 28, 2002 · N6748D · Bell 206L3SDR HEEA079385Pump · leakingMAIN ROTOR OIL PUMP LEAKING. REPLACED WITH SERVICEABLE PUMP.May 28, 2002 · N2275Y · Bell 206B3SDR PHA2002F00000Lockwasher · crackedDURING 100 HOUR INSPECTION CLUTCH (PN 369A5350-51) WAS REMOVED FOR SERVICE. LOCK WASHER (PN369A5358) WAS FOUND TO HAVE CRACKED IN 3 PLACES, THIS ALLOWED THESE FRAGMENTS TO SLING OUT FROM THE CLLUTCH WHICH TURNS AT 6200 RPM AND RIDE AGAINST THE INTERIOR OF THMay 23, 2002 · N69PF · Hughes 369DSDR CA020621010Bearing · failed(CAN) SUMP CHIP INDICATION DURING GROUND RUN PRIOR TO FLIGHT. METAL CONTAMINATION OF INTERNAL FILTER AND SUMP CHIP PLUG.TRANSMISSION REMOVED FROM SERVICE, TEARDOWN CARRIED OUT. HYDRAULIC QUILL DUPLEX BEARING IDENTIFIED AS SOURCE OF METAL GENERATION.May 19, 2002 · Bell 212SDR HEEA079090Line · crackedCRACKED LINE. REPLACED WITH SERVICEABLE PART.May 16, 2002 · N5736D · Bell 212SDR KBMA113856Isolation Mount · debondedISOLATION MOUNT DEBONDED. REPLACED WITH SERVICEABLE UNIT.May 10, 2002 · N73DP · Bell 206BSDR ERAA079872Gear · failedINSPECTION OF PLANETARY SYSTEM FOR BREAKDOWN. UPPER PLANETARY - BROKEN CAGE, SAME GEAR HAS SCORED ROLLER SET. REMOVED TOP CASE, REMOVED UPPER & LOWER PLANETARY AND ASSOCIATED GEARS. DISASSEMBLED, INSPECTED FOR BREAKDOWN, DETAILS ON BLUE FORMS ; FOUND NO BRMay 7, 2002 · N417EH · Bell 412SDR HEEA078842Pump · leakingTRANSMISSION OIL PUMP LEAKING PAST INTERNAL SEAL.May 7, 2002 · N742PH · Bell 407SDR HEEA078802Thermoswitch · damagedMAIN ROTOR GEARBOX THERMOSWITCH DAMAGED, STUD TURNS FREELY IN HOUSING.May 7, 2002 · N457PH · Bell 407SDR CA020507009Mount · cracked(CAN) DURING MAIN ROTOR TRANSMISSION REMOVAL FOUND CRACK EXTENDING FROM LOWER MOST BOLT HOLE OF 5TH MOUNT ATTACHMENT ANGLE, RT SIDE OF TRANSMISSION PYLON AREA.CRACK REPAIRED I.A.W. THE BELL MEDIUM STRUCTURAL REPAIR MANUAL (BHT-MED-SRM-1) SECTION 4-6-3, "MAIN BApr 30, 2002 · Bell 205A1SDR XG3R085945Fitting · leakingRETURN FITTING LEAKING. BEVEL ON FITTING HAS INCREASED RADIUS. REPLACED OIL COOLER.Apr 10, 2002 · N26LB · Urocop EC130B4SDR HEEA078547Gearbox · making metalCHIP LIGHT. 3 FLAKES IN LOWER PLUG. CHIP LIGHT DURING PENALTY RUN. FLAKES AND BRASS IN FILTER.Apr 4, 2002 · N721PH · Bell 407SDR ERAA078465Transmission · making metalTRANSMISSION IS MAKING METAL. ACCESSORY T/R INPUT QUILL BEARING SET, ROLLERS & RACES MAKING METAL. ACTION TAKEN: CHANGED SUMP CASE, ASSY/ INPUT DRIVE QUILL. C/W 3100 HOUR INSPECTION. REPLACED MAIN INPUT PINION AND ALL BRGS. CLEANED AND FLUSHED ALL OIL PAApr 4, 2002 · N418EH · Bell 412SDR CA020507023Bearing · spalled(CAN) REMOVED FOR METAL CONTAMINATION. DISASSEMBLED OUTER RACE OF BEARING AND IT SHOWS SIGNS OF EXCESSIVE PEELING 14.5 MM BY 78 MM,AREA 1131 SQ MM.Apr 1, 2002 · Bolkms BO105CBSSDR CA020507024Bearing · peeling(CAN) THIS TRANSMISSION RECEIVED FROM THE USA. REMOVED DUE TO METAL CONTAMINATION. ROLLER BEARING OUTER RACE SHOWED SIGNS OF EXCESSIVE PEELING. DAMAGE AREA 11 MM LONG BY 50 MM WIDE.Mar 27, 2002 · Bolkms BO105CBSSDR CA020430011Bearing · failed(CAN) INFLIGHT ILLUMINATION OF TRANSMISSION OIL PRESSURE LIGHT, CONFIRMED BY VISUAL INDICATION OF LOW OIL PRESSURE INDICATION (40PSI). EMERGENCY PROCEDURES INITIATED, PRESSURE INDICATION WENT TO ZERO AFTER A FURTHER 6 MINS OF FLIGHT. EMERGENCY LANDING CARRIED Mar 27, 2002 · Bell 212SDR ALG2002F00030Gear · roughUPON VISUAL INSPECTION OF PARTS. T/M GEAR HAS ROUGH GEAR TEETH EDGES AT RADIUS CAUSING LIGHT GALLING ON PINION GEAR. PTO GEAR ALSO HAS ROUGH EDGES AT RADIUS. ASSURE PROPER MATERIAL, MACHINING AND MESHING OF GEAR TEETH AT FACTORY.Mar 27, 2002 · N355AL · Bell 206L3
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