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 CA030613006Case · mismanufactured(CAN) TRANSMISSION RECEIVED FOR 1,500 HOUR INSPECTION. TOP CASE REMOVED AND 10 TEETH FROM THE INVOLUTE SPLINES WERE BROKEN WHICH IS NOT IN ITSELF AN UNUSUAL OCCURRENCE. WHEN A NEW REPLACEMENT WAS OBTAINED FROM BELL THE LOCKWIRE HOLES FOR THE FILLER CAP AND CHIMar 7, 2003 · Bell 206L3SDR CA030317018Gearbox · making metal(CAN) MAIN GEARBOX CHIP LIGHT CAME ON DURING FLIGHT.PILOT LANDED AND INSPECTED THE MGB CHIP PLUG. NO METAL FOUND. HE CALLED THE BASE AND WE ADVISED HIM TO CHECK THE MAST BEARING CHIP DETECTOR AND CHECK TO MAKE SURE THE LIGHTS STILL WORKED. NO METAL FOUND. AIRCMar 4, 2003 · Snias AS350BASDR AUS20030256Gearbox · contaminated(AUS) MAIN TRANSMISSION CHIP DETECTORS CONTAINED A SMALL AMOUNT OFFERROUS PARTICLES. THE PARTICLES WERE WITHIN LIMITS AS PER THEMAINTENANCE MANUAL. AFTER CHANGING THE OIL AND OIL FILTER A FURTHER CHECK FOUND NO EVIDENCE OF METAL PARTICLES AND THEAIRCRAFT WAS RMar 4, 2003 · Skrsky S76CSDR XG3R084839Friction Ring · scoredMAIN TRANSMISSION INPUT SEAL LEAK REQUIRED REPLACEMENT OF THE BAB-DRR SEAL. REPLACED FRICTION RING ALONG WITH SEAL. TO PRECLUDE THE INPUT SEAL FROM LEAKING AGAIN THE FRICTION RING WAS REPLACED AT THE SAME TIME.Feb 27, 2003 · N26LB · Urocop EC130B4SDR HEEA084808Planetary Gear · making metalMAIN ROTOR GEARBOX PLANETARY GEAR MAKING METAL. REPAIRED.Feb 21, 2003 · N800Y · Bell 412SDR HEEA084487Bearing · wornMAIN ROTOR GEARBOX HAS A WORN BEARING. IN SHOP FOR REPAIR.Feb 14, 2003 · N6559Z · Bell 412SDR HEEA084486Bearing · wornMAIN ROTOR GEARBOX HAS A WORN BEARING. IN SHOP FOR REPAIR.Feb 14, 2003 · N2261D · Bell 412SDR HEEA084451Shaft · leakingMAIN ROTOR GEARBOX OIL PUMP IS LEAKING. REPLACED SHAFT 357950110932 DUE TO SPLINES WORN BEYOND LIMITS. REPAIRED.Feb 13, 2003 · N4282Z · Bell 206L3SDR HEEA084450Shaft · leakingMAIN ROTOR GEARBOX OIL PUMP IS LEAKING. REPLACED SHAFT 357950110932 DUE TO WEAR ON SEAL RIDE. REPAIRED.Feb 13, 2003 · N54641 · Bell 206L3SDR HEEA084202Pinion Gear · corrodedMAIN ROTOR GEARBOX PINION GEAR HAS HEAVY FROSTING AND PITTING - GEAR WAS LOAD TESTED AND ACCEPTED PRIOR BY SIKORSKY PER SO # DF 624-0001 ON APRIL 18, 2001. TO BE SENT TO VENDOR.Feb 13, 2003 · N22342 · Skrsky S76ASDR HEEA084201Pinion Gear · corrodedMAIN ROTOR PINION GEAR HAS HEAVY FROSTING AND PITTING - GEAR WAS LOAD TESTED AND ACCEPTED PRIOR BY SIKORSKY PER SO # DF 624-0001 ON APRIL 18, 2001. TO BE SENT TO VENDOR.Feb 13, 2003 · N22342 · Skrsky S76ASDR HEEA084200Bevel Gear · corrodedMAIN ROTOR GEARBOX BEVEL GEAR HAS HEAVY FROSTING AND PITTING - GEAR WAS LOAD TESTED AND ACCEPTED PRIOR BY SIKORSKY PER SO DF 624-0001 ON APRIL 18, 2001. TO BE SENT TO VENDOR.Feb 13, 2003 · N22342 · Skrsky S76ASDR HEEA084199Bevel Gear · corrodedMAIN ROTOR BEVEL GEAR HAS HEAVY FROSTING AND PITTING - GEAR WAS LOAD TESTED AND ACCEPTED PRIOR BY SIKORSKY PER SO NR DF 624-0001 ON APRIL 18, 2001. TO BE SENT TO VENDOR.Feb 13, 2003 · N22342 · Skrsky S76ASDR HEEA084374Bypass Valve · malfunctionedMAIN ROTOR GEARBOX OIL SYSTEM BYPASS VALVE INDICATOR BUTTON WILL NOT STAY IN.Feb 11, 2003 · N406PH · Bell 407SDR HEEA084154Bearing · roughMAIN ROTOR GEARBOX HAS A WORN GENERATOR DRIVE AND ROUGH BEARINGS.Feb 11, 2003 · N760PH · Skrsky S76ASDR ALGA084071Shaft · defectiveON INSTALLATION GEARSHAFT WOULD NOT FIT INSIDE OIL PUMP DRIVE GEAR.Jan 31, 2003 · Clark 1000CLARKSDR CA030220002Bearing Race · spalled(CAN) A WEEK PREVIOUS, THE BELL 212 HAD A CHIP LIGHT ON THE M/R TRANSMISSION. THE CHIP PLUGS WERE PULLED AND THE ENGINEER FOUND FINE FUZZ AND SLIVERS, INSIGNIFICANT TO WARRANT FURTHER INVESTIGATION BUT TO MONITOR. NEXT WEEK THE PILOT REPORTED THAT THE CHIP LIGJan 28, 2003 · Bell 212SDR CA030123004Bearing · spinning(CAN) UNIT RECEIVED FROM THE USA. COLLECTOR GEAR ASSY BALL BEARING PN 4619303083 SPINNING IN BUSHING. INDICATION PICKED UP ON ELECTRICAL CHIP DETECTOR.Jan 23, 2003 · Bolkms BO105CBSSDR ALGA084011Bolt · scoredON DISSASSEMBLY FOUND 30 BOLTS ON GEAR SHAFT LOOSE, MATING SURFACE FRETTED BEYOUND LIMITS IN CR&O MANUAL. THIS WAS THE FIRST TIME UNIT WAS DISSASSEMBLED SINCE NEW. REMOVED AND REPLACED BOLTS.Jan 20, 2003 · N697AL · Bell 407SDR ALGA084010Gear Shaft · scoredON DISSASSEMBLY FOUND 30 BOLTS ON GEAR SHAFT LOOSE, MATING SURFACE FRETTED BEYOUND LIMITS IN CR&O MANUAL. THIS WAS THE FIRST TIME UNIT WAS DISSASSEMBLED SINCE NEW. REMOVED AND REPLACED GEAR SHAFT.Jan 20, 2003 · N697AL · Bell 407SDR ALGA084009Bevel Gear · scoredON DISSASSEMBLY FOUND 30 BOLTS ON GEAR SHAFT WERE LOOSE, MATING SURFACE FRETTED BEYOUND LIMITS IN CR&O MANUAL. THIS WAS THE FIRST TIME UNIT WAS DISSASSEMBLED SINCE NEW. REMOVED AND REPLACED BEVEL GEAR.Jan 20, 2003 · N697AL · Bell 407SDR HEEA083976Line · corrodedMAIN ROTOR GEARBOX OIL LINE CORRODED UNDER B-NUT SLEEVE.Jan 17, 2003 · N405PH · Bell 407SDR HEEA083975Line · corrodedMAIN ROTOR GEARBOX OIL LINE CORRODED UNDER B-NUT SLEEVE.Jan 17, 2003 · N402PH · Bell 407SDR HEEA083974Line · corrodedMAIN ROTOR GEARBOX OIL LINE CORRODED UNDER B-NUT SLEEVE.Jan 17, 2003 · N405PH · Bell 407SDR HEEA083973Line · corrodedMAIN ROTOR GEARBOX OIL LINE CORRODED UNDER SLEEVE.Jan 17, 2003 · N402PH · Bell 407SDR HEEA083928Cone · corrodedMAIN ROTOR GEARBOX LOWER CONE PITTED ON FACE.Jan 17, 2003 · N719PH · Bell 407SDR HEEA083908Oil Cooler · leakingMAIN ROTOR OIL COOLER LEAKING.Jan 17, 2003 · N494PH · Bell 407SDR HEEA083907Oil Cooler · leakingMAIN ROTOR GEARBOX OIL COOLER LEAKING.Jan 17, 2003 · N4999 · Bell 407SDR HEEA083906Pump · leakingMAIN ROTOR GEARBOX OIL PUMP LEAKING.Jan 17, 2003 · N742PH · Bell 407SDR HEEA083905Pump · leakingMAIN ROTOR GEARBOX OIL PUMP LEAKING.Jan 17, 2003 · N495PH · Bell 407SDR HEEA083855Bearing · corrodedRECEIVED WITH EXCESSIVE CORROSION NEAR THE V INDEX MARK ON OUTER RACES OF TRIPLEX BEARING SET OF MAIN ROTOR GEARBOX.Jan 16, 2003 · Bell 407SDR HEEA083732Pressure Switch · malfunctionedMAIN ROTOR GEARBOX PRESSURE SWITCH MALFUNCTIONED, LIGHT STAYS ON.Jan 15, 2003 · N742PH · Bell 407SDR HEEA083669Seal · leakingMAIN ROTOR GEARBOX SEAL REMOVED DUE TO OIL LEAK.Jan 15, 2003 · N493PH · Bell 407SDR HEEA083567Bushing · separatedRUBBER BUSHING SEPARATED ON MAIN ROTOR TRANSMISSION RESTAINT.Jan 13, 2003 · N62127 · Bell 206L4SDR HEEA083566Restraint · misrepairedONE BEARING BORE NOT CHAMFER TO PROPER DEGREE TO ALLOW BEARING STAKE TO FOLD.Jan 13, 2003 · Bell 206L3SDR HEEA083565Bearing · wornTRANSMISSON RESTAINT HAS WORN BEARINGS. REPAIRED.Jan 13, 2003 · Bell 206L3SDR HEEA083359Pump · leakingTRANSMISSION OIL PUMP LEAKS. REPAIRED.Jan 9, 2003 · N7074W · Bell 206L4SDR HEEA083168Stop · wornMAIN ROTOR GEARBOX STOP HAS A RUBBER BUMPER WORN OUT.Jan 8, 2003 · N6251Y · Bell 206L3SDR HEEA083167Stop · tornMAIN ROTOR GEARBOX STOP HAS TORN RUBBER. TO BE SENT TO VENDOR.Jan 8, 2003 · N6251X · Bell 206L3SDR HEEA083155Drag Pin · wornMAIN ROTOR DRAG PIN BEARING WORN AND UNSTAKED. REPAIRED.Jan 8, 2003 · N2268V · Bell 206B3SDR HEEA083501Gearbox · making metalCHIP LIGHT ILLUMINATION. METAL FOUND ON LOWER PLUG OF THE MAIN ROTOR GEARBOX. IN SHOP REPAIR.Jan 7, 2003 · N971AE · Aerosp AS355*SDR HEEA083047Gear · wornMAIN ROTOR GEARBOX GEAR HAS WORN WHERE SEAL RIDES.Jan 7, 2003 · N5736D · Bell 212SDR ALGA082879Bearing · spalledDISASSEMBLED MAIN ROTOR GEARBOX FOR OVERHAUL AND FOUND TRIPLEX BEARING BREAKING DOWN.Jan 7, 2003 · N3194P · Bell 206L1SDR CA030204011Retainer · broken(CAN) DURING ENGINE GEARBOX OVERHAUL A 3 INCH PIECE OF BALANCED RATAINING RING FOUND LAYING INSIDE GEARBOX. THE REMAINING BALANCED RATAINING RING WORE A STEP IN RETAINING RING GROOVE OF THE HELICAL TORGUEMETER GEARSHAFT. ROLLS ROYCE HAS BEEN NOTIFIED AND PICTUJan 6, 2003 · Bell 206BSDR HEEA083023Magnetic Seal · leakingMAIN ROTOR GEARBOX MAGNETIC SEAL LEAKING. REPLACED WITH SERVICEABLE SEAL.Jan 6, 2003 · N3116P · Bell 206L3SDR HEEA083022Magnetic Seal · leakingMAIN ROTRO GEARBOX LEAKING. REPLACED WITH SERVICEABLE SEAL.Jan 6, 2003 · N31077 · Bell 206L3SDR HEEA083021Magnetic Seal · leakingMAIN ROTOR MAGNETIC SEAL LEAKING. REPLACED WITH SERVICEABLE SEAL.Jan 6, 2003 · N2275Y · Bell 206B3SDR ALGA082781Bearing Race · galledFOUND RACE BREAKING DOWN WHEN GEARBOX DISASSEMBLED FOR OVERHAUL.Jan 3, 2003 · N355AL · Bell 206L3SDR 2003FA0000600Scavenge Pump · inoperativeDURING BUCKET SLING TRAINING, AIRCRAFT STARTED SMOKING. PILOT PERFORMED PRECAUTIONARY LANDING AND OVERTORQUED AIRCRAFT. MAINTENANCE WAS NOTIFIED AND DISPATCHED TO RETRIEVE AIRCRAFT FROM LOCATION. AIRCRAFT ENGINE WAS INSPECTED AND FOUND THAT THE NR 8 SCAVENGJan 2, 2003 · N3893U · Bell 206L3SDR ALGA082680Bevel Gear · scoredBEVEL GEAR CRACKED AT BOLT HOLE. THIS IS THE 1ST TIME THIS GEARBOX WAS OPENED UP FOR MAINT. SHAFT SCORED. REMOVE AND REPLACED.Dec 24, 2002 · N408AL · Bell 407
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