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 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 CHISDR 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. AIRCSDR 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 RSDR 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.SDR HEEA084808Planetary Gear · making metalMAIN ROTOR GEARBOX PLANETARY GEAR MAKING METAL. REPAIRED.SDR HEEA084487Bearing · wornMAIN ROTOR GEARBOX HAS A WORN BEARING. IN SHOP FOR REPAIR.SDR HEEA084486Bearing · wornMAIN ROTOR GEARBOX HAS A WORN BEARING. IN SHOP FOR REPAIR.SDR HEEA084451Shaft · leakingMAIN ROTOR GEARBOX OIL PUMP IS LEAKING. REPLACED SHAFT 357950110932 DUE TO SPLINES WORN BEYOND LIMITS. REPAIRED.SDR HEEA084450Shaft · leakingMAIN ROTOR GEARBOX OIL PUMP IS LEAKING. REPLACED SHAFT 357950110932 DUE TO WEAR ON SEAL RIDE. REPAIRED.SDR 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.SDR 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.SDR 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.SDR 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.SDR HEEA084374Bypass Valve · malfunctionedMAIN ROTOR GEARBOX OIL SYSTEM BYPASS VALVE INDICATOR BUTTON WILL NOT STAY IN.SDR HEEA084154Bearing · roughMAIN ROTOR GEARBOX HAS A WORN GENERATOR DRIVE AND ROUGH BEARINGS.SDR ALGA084071Shaft · defectiveON INSTALLATION GEARSHAFT WOULD NOT FIT INSIDE OIL PUMP DRIVE GEAR.SDR 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 LIGSDR 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.SDR 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.SDR 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.SDR 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.SDR HEEA083976Line · corrodedMAIN ROTOR GEARBOX OIL LINE CORRODED UNDER B-NUT SLEEVE.SDR HEEA083975Line · corrodedMAIN ROTOR GEARBOX OIL LINE CORRODED UNDER B-NUT SLEEVE.SDR HEEA083974Line · corrodedMAIN ROTOR GEARBOX OIL LINE CORRODED UNDER B-NUT SLEEVE.SDR HEEA083973Line · corrodedMAIN ROTOR GEARBOX OIL LINE CORRODED UNDER SLEEVE.SDR HEEA083928Cone · corrodedMAIN ROTOR GEARBOX LOWER CONE PITTED ON FACE.SDR HEEA083908Oil Cooler · leakingMAIN ROTOR OIL COOLER LEAKING.SDR HEEA083907Oil Cooler · leakingMAIN ROTOR GEARBOX OIL COOLER LEAKING.SDR HEEA083906Pump · leakingMAIN ROTOR GEARBOX OIL PUMP LEAKING.SDR HEEA083905Pump · leakingMAIN ROTOR GEARBOX OIL PUMP LEAKING.SDR HEEA083855Bearing · corrodedRECEIVED WITH EXCESSIVE CORROSION NEAR THE V INDEX MARK ON OUTER RACES OF TRIPLEX BEARING SET OF MAIN ROTOR GEARBOX.SDR HEEA083732Pressure Switch · malfunctionedMAIN ROTOR GEARBOX PRESSURE SWITCH MALFUNCTIONED, LIGHT STAYS ON.SDR HEEA083669Seal · leakingMAIN ROTOR GEARBOX SEAL REMOVED DUE TO OIL LEAK.SDR HEEA083567Bushing · separatedRUBBER BUSHING SEPARATED ON MAIN ROTOR TRANSMISSION RESTAINT.SDR HEEA083566Restraint · misrepairedONE BEARING BORE NOT CHAMFER TO PROPER DEGREE TO ALLOW BEARING STAKE TO FOLD.SDR HEEA083565Bearing · wornTRANSMISSON RESTAINT HAS WORN BEARINGS. REPAIRED.SDR HEEA083359Pump · leakingTRANSMISSION OIL PUMP LEAKS. REPAIRED.SDR HEEA083168Stop · wornMAIN ROTOR GEARBOX STOP HAS A RUBBER BUMPER WORN OUT.SDR HEEA083167Stop · tornMAIN ROTOR GEARBOX STOP HAS TORN RUBBER. TO BE SENT TO VENDOR.SDR HEEA083155Drag Pin · wornMAIN ROTOR DRAG PIN BEARING WORN AND UNSTAKED. REPAIRED.SDR HEEA083501Gearbox · making metalCHIP LIGHT ILLUMINATION. METAL FOUND ON LOWER PLUG OF THE MAIN ROTOR GEARBOX. IN SHOP REPAIR.SDR HEEA083047Gear · wornMAIN ROTOR GEARBOX GEAR HAS WORN WHERE SEAL RIDES.SDR ALGA082879Bearing · spalledDISASSEMBLED MAIN ROTOR GEARBOX FOR OVERHAUL AND FOUND TRIPLEX BEARING BREAKING DOWN.SDR 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 PICTUSDR HEEA083023Magnetic Seal · leakingMAIN ROTOR GEARBOX MAGNETIC SEAL LEAKING. REPLACED WITH SERVICEABLE SEAL.SDR HEEA083022Magnetic Seal · leakingMAIN ROTRO GEARBOX LEAKING. REPLACED WITH SERVICEABLE SEAL.SDR HEEA083021Magnetic Seal · leakingMAIN ROTOR MAGNETIC SEAL LEAKING. REPLACED WITH SERVICEABLE SEAL.SDR ALGA082781Bearing Race · galledFOUND RACE BREAKING DOWN WHEN GEARBOX DISASSEMBLED FOR OVERHAUL.SDR 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 SCAVENGSDR 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.
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