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 HEEA073705Stop · deterioratedRUBBER DETERIORATED. SENDING TO VENDOR FOR REPAIR.Jun 19, 2001 · N21497 · Bell 206L3SDR HEEA073653Indicator · reads lowREADS LOW. SENDING TO VENDOR FOR REPAIR.Jun 19, 2001 · N142PH · Bell 412SDR LS1R073483Bearing · damagedPART IS OUT OF RACE.Jun 19, 2001 · N58AG · Bell OH58ASDR ERAA074616Transmission · contaminatedTRANSMISSION IS CONTAMINATED BY TRASH FROM OIL COOLER. REMOVED ALL OIL JETS TO FLUSH OUT ALL OIL PASSAGES. REMOVED TOP CASE & CENTER HOUSING, CLEANED AND FLUSHED ALL OIL JETS AND OIL PASSAGES, REPAIRED ACCEDSSORY DRIVE, REASSEMBLED TRANSMISSION WITH NEW O-RJun 13, 2001 · N290EH · Bolkms BO105ASDR RT22001F00000Gear · broken1) PILOT REPORTED BANG FOLLOWED BY AIRCRAFT VIBRATION, NO CAUTION LIGHT ILLUMINATED. PILOT MADE PRECAUTIONARY LANDING. 2) MAINTENANCE FOUND LARGE PIECE OF METAL ON CHIP DETECTOR STANDING UP TOO LARGE TO FALL OVER AND BRIDGE GAP ON CHIP DETECTOR. 3) TRANSMISJun 12, 2001 · N98SP · Hughes 369ESDR JJWA073276Housing · strippedSTUD PULLED OUT WITH LESS THAN 50 INCH POUND ON TORQUE WRENCH WHEN INSTALLING FW UNIT IN ENGINE - HIDDEN DAMAGE NOT FOUND BY BELL CSF OVERHAUL FACILITY. NEW HOUSING SENT BY CSF.Jun 12, 2001 · N5005N · Bell 206BSDR HEEA073413Line · leakingFLARE LEAKING.Jun 11, 2001 · N408PH · Bell 407SDR HEEA073409Line · leakingLEAKING AT FLARE.Jun 11, 2001 · N724PH · Bell 407SDR AQH2001F00000Seal · torn1) INSTALLED NEW SEAL PN23063371, MGR-80201, REV B, OTHER MARKINGSON SEAL ARE 63005SOCN. 2) SEAL STARTED LEAKING LESS THAN 4 HOURS AND 15 STARTS LATER, SEAL LIP IS TORN, APPEARS LIKE A RIP, SUSPECT SEAL IS NOT COMPATIBLE WITH EXXON 8380 TURBINE OIL AND MAYBE Jun 8, 2001 · N51698 · Bell 206BSDR HEEA073365Bearing · roughROUGH. SERIAL NUMBERS REMOVED ARE B01-0584 AND B01-0569.Jun 8, 2001 · N402PH · Bell 407SDR HEEA073204Gearbox · making metalMAIN ROTOR GEARBOX MAKING METAL.Jun 1, 2001 · N612PH · Bell 407SDR ALG2001F00012Pinion Gear · chippedDURING 1500 HOUR INSPECTION, FOUND CHIPPED GEAR TOOTH. THE PINION ASSEMBLY WAS SENT TO BELL.May 30, 2001 · N2756A · Bell 206L1SDR AUS20010544Gearbox · cracked(AUS) MAIN ROTOR GEARBOX CRACKED IN LOWER AREA.May 22, 2001 · Robsin R22SDR CA010627052Tube · cracked(CAN) DURING CRUISE 300 FT AGL, MAIN TRANSMISSION OIL PRESS WAS NOTICED FLUCTUATING. AN IMMEDIATE PRECAUTIONARY LANDING WAS CARRIED OUT. A/C WAS INTERMEDIATELY SHUT DOWN. UPON INVESTIGATION TUBE ASSY P/N 212-040-233-001 IN HELL HOLE WAS FOUND LEAKING. TUBE REPMay 19, 2001 · Bell 212SDR ALG2001F00002Bevel Gear · crackedTRANSMISSION MAKING METAL. BEVEL GEAR CRACKED FROM BOLT HOLE.May 18, 2001 · N437AL · Bell 407SDR TI1R001465Pin · wornPIN, WORN AT BOLT HEAD SIDE. REMOVED AND REPLACED.May 11, 2001 · N40751 · Snias AS350B2SDR ALG2001F00006Pinion Gear · spalledUPON DISASSEMBLY OF GEARBOX FOR METAL. FOUND SPALLING AND GALLING ON GEAR TEETH CAUSING METAL CONTAMINATION AND DAMAGE TO T/M GEAR PN E6893673 S/N PG4068. ASSURE PROPER MACHINING AND MESHING OF GEAR TEETH AT FACTORY.May 7, 2001 · N376AL · Skrsky S76ASDR R7MR34383Pressure Switch · inoperativePRESSURE SWITCH, UNIT INOPERATIVE. MGB OIL PRESSURE WARNING LIGHT NOT WORKING AT PROPER TIME. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (K)May 3, 2001 · N6099P · Snias AS350B2SDR ERAA072938Transmission · making metalTRANSMISSION MAKING METAL. REMOVED SLIP RING CARRIER, FOUND LT BEVEL GEAR BREAKING DOWN. FOUND OIL PUMP DAMAGED FROM METAL CONTAMINATION. PUMP SENT OUT FOR REPAIR. THIS INFORMATION FOR FAA SDR. ACTION TAKEN: REPAIRED TRANSMISSION I/A/W REM 103, INST'D NEWMay 1, 2001 · N290EH · Bolkms BO105ASDR 20010529CW008Quill · misoverhauledEXCESSIVE OIL LEAKAGE, PAST CORK PN 120-179-13A. IN INNER QUILL ASSEMBLY OF OUTBOARD QUILL. CORK INSTALLED INCORRECTLY BY OVERHAUL FACILITY. RIGHT HAD OUTBOARD QUILL PN 222-040-022-108 OF SAME TRANSMISSION, HAD SAME PROBLEM AT THE SAME TIME.Apr 30, 2001 · N230LF · Bell 230SDR CA010523011Bevel Gear · making metal(CAN) MINOR "PEPPER" METAL, SHINY, WITHIN OPERATIONAL LIMITS WOULD OCCASIONALLY ACTIVATE OR FLICKER CAUTION LIGHT."PEPPER" FOUND IN BOTH FILTERS, MAINLY NR 1 SIDE. REMOVAL OF INSPECTION COVER REVEALED DEGENERATION OF SURACE OF BEVEL GEAR.Apr 30, 2001 · Bolkms BK117B1SDR 2001F00603Gear · damagedUPON DISASSEMBLY OF GEARBOX FOR N2 OVERSPEND INSPECTION, T/M GEAR HAS IMPROPER AND UNFINISHED MACHINING ON AFT SIDE OF LARGE GEAR TEETH. SECONDARY DAMAGE, PINION GEAR P/N 6893672 S/N NN76746 TT INK. SCRAP GALLING GEAR TEETH. ASSURE GEAR HARDNESS AND PROPER Apr 19, 2001 · N847AL · Bell 407SDR HEEA072721Quill Assy · leakingROTORBRAKE QUILL LEAKING. REPLACED WITH SERVICEABLE PART.Apr 19, 2001 · N142PH · Bell 412SDR CA010503017Bearing · failed(CAN) INPUT BEARING FAILED DURING THE INITIAL RUN IN PROCEDURE. INVESTIGATION SHOWED THAT BEARING PUSHER TOOL WAS IMPROPERLY USED CAUSING DEFORMATION OF BEARING CAGE AT OVERHAUL. TOOL WAS REMOVED FROM SHOP TO PREVENT POSSIBLE REOCCURRENCE.Apr 18, 2001 · Skrsky S61NSDR HEEA072512Seal · leakingOIL LEAKING FROM TRANSMISSION OIL PUMP DRIVE SHAFT SEAL. REPLACED TRANSMISSION OIL PUMP.Apr 11, 2001 · N6160Y · Bell 206L3SDR 20010517CW005Pinion Gear · brokenCHIP LIGHT, EXCESSIVE METAL ON LOWER CHIP DETECTOR. FOUND INPUT PINION TO HAVE BROKEN TOOTH, CAUSING EXCESSIVE DAMAGE TO MAIN CASE.Apr 9, 2001 · N917AL · Bell 407SDR CA010507008Oil Cap · loose(CAN) LOCKING PINS IN TRANSMISSION OIL FILTER CAP ASSEMBLY CAME LOOSE AND FELL OUT OF TRANSMISSION OIL FILLER CAP ASSEMBLY. REPLACED WITH NEW OIL FILTER CAP ASSEMBLYApr 9, 2001 · Bell 206LSDR HEEA072126Chip Detector · leakingENGINE GEARBOX CHIP DETECTOR IS LEAKING.Apr 6, 2001 · N402PH · Bell 407SDR HEEA072114Transmission · making metalCHIP LIGHT HISTORY, POSSIBLY MAKING METAL.Apr 6, 2001 · N467PH · Bell 407SDR LS1R071920Drag Pin · wornPART IS WORN EXCESSIVELY.Apr 6, 2001 · N90322 · Bell 206B3SDR HEEA072011Line · chafedTUBE ASSY WAS FOUND CHAFED. REPLACED WITH SERVICEABLE TUBE.Apr 5, 2001 · N3893L · Bell 412SDR HEEA072010Line · chafedTUBE ASSY WAS FOUND CHAFED. REPLACED WITH SERVICEABLE TUBE.Apr 5, 2001 · N2261D · Bell 412SDR HEEA072009Line · chafedTUBE ASSY WAS FOUND CHAFED. REPLACED WITH SERVICEABLE TUBE.Apr 5, 2001 · N2149S · Bell 412SDR HEEA072008Line · chafedTUBE ASSY WAS FOUND CHAFED. REPLACED WITH SERVICEABLE TUBE.Apr 5, 2001 · N3893L · Bell 412SDR HEEA072007Line · chafedTUBE ASSY WAS FOUND CHAFED. REPLACED WITH SERVICEABLE TUBE.Apr 5, 2001 · N2261D · Bell 412SDR 2001F00601Pinion Gear · spalledUPON INSPECTION OF GEARBOX PARTS, LIGHTS SPALLING AND GALLING ON PINION GEAR TEETH CAUSING LIGHT SPALLING ON T/M GEAR GEARTEETH. (M)Apr 2, 2001 · N709AL · Skrsky S76ASDR CA050228010Gearbox · making metal(CAN) GEARBOX CHIP LIGHT, GEARBOX REPLACED.Mar 24, 2001 · Kamov KA32A1SDR 20010425CW004Case · crackedDURING A NORMAL 4500 HOUR TRANSMISSION OVERHAUL THE LOWER CASE WAS FOUND CRACKED ON ALL 4 SUPPORT WEBS, CAUSING THE CASE TO BE UNAIRWORTHY.Mar 20, 2001 · N16EP · Bell 206BSDR CA010423009Gear · broken(CAN) MAIN ROTOR TRANSMISSION REMOVED FOR MAKING METAL. UPON DISASSEMBLY IT WAS DISCOVERED THAT ON INPUT GEAR TOOTH HAD BROKEN OFF. THE TOOTH WAS FOUND IN THE SCAVENGE PUMP INTAKE.REMNANTS OF THE TOOTH WERE FOUND IN THE SCAVANGE SPRAY TUBE.Mar 16, 2001 · Hughes 369DSDR EHA2001F00002Gearbox · failedNR 1 ENGINE TORQUE REMAINED AT 60 PER CENT WHEN ENGINE TRANSITIONED FROM HIGH TORQUE TO GROUND IDLE. OPERATION ABOVE 60 PER CENT APPEARED NORMAL. CAUSE DETERMINED TO BE FAILURE OF THE TORQUE METER TO BLEED PRESSURE DURING ENGINE TORQUE TRANSITION. ENGINE GEMar 2, 2001 · N500KM · Bolkms BO105CSDR 20010420CW016Quill · damagedDURING PHASE INSPECTION, FOUR LARGE CHIPS WERE FOUND ON RIGHT HAND CHIP PLUG AND ONE LARGE CHIP ON THE LEFT HAND CHIP PLUG. THE BLOWER ASSEMBLY QUILL WAS PULLED AND TWO TEETH FOUND DAMAGED.Mar 1, 2001 · N521AL · Skrsky S76ASDR R7MR32656Transmission · collapsedMAIN ROTOR TRANSMISSION COLLAPSED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Feb 26, 2001 · N135SJ · Urocop EC135P1SDR CA010228008Gearbox · failed(CAN) MAIN ROTOR GEARBOX CHIP DETECTOR LIGHT ACTIVATED IN FLIGHT. PILOT LANDED ON GROUND LIGHT WENT OUT. CHIP DETECTOR REMOVED AT MAINTENANCE FACILITY. FUZZ PARTICULATE FOUND, DETECTOR CLEANED, INSPECTED, REINSTALLED. HELICOPTER GROUND RUN ON GROUND FOR 30 MINFeb 6, 2001 · Robsin R22BETASDR AC2A072777Chip Detector · leakingPART LEAKS AT CONNECTOR. REPLACED CHIP DETECTORJan 22, 2001 · N5403C · Skrsky S76ASDR KBMA9743410Strut · damagedSTRUT DAMAGED DUE TO COMPRESSOR CLUTCH.Jan 17, 2001 · N53SH · Snias AS350B2SDR R7MR33329Pump · inoperativeOIL PUMP - AFTER ENGINE WARMS THE MGB OIL PRESSURE GOES DOWN TO 1.9 BARS. AFTER SEVERAL SWITCH REPLACEMENTS IT WAS DECIDED THAT THE OIL PUMP WAS CAUSE OF PROBLEM. THE FIRST OCCURRENCE FOR LOW OIL PRESSURE WAS ON 1/5/01 WHICH BRINGS THE PUMP TO WITHIN THE ONEJan 5, 2001 · N6099P · Snias AS350B2SDR 20010124CW005Pump · seizedO.O TIME SINCE OVERHAUL, TRANSMISSION OIL PUMP SEIZED MOMENTARILY, ON FIRST STARTUP AFTER INSTALLATION. DAMAGING TRANSMISSION INTERNAL OIL PUMP DRIVE GEAR. NO SHEARSHAFT INCORPORATEN IN OIL PUMP ASSEMBLY. TRANSMISSION HAD TO BE CHANGED, SECOND INSTANCE ON TDec 11, 2000 · N134KA · Kaman K1200SDR CA010219002Bevel Gear · broken(CAN) NOISE HEARD WHILE TURNING ROTOR BACKWARDS DURING MAINTENANCE.Dec 8, 2000 · Kamov KA32A1SDR AU001180Transmission · making metal(AUS) MAIN TRANSMISSION MAGNETIC PLUG AND OIL FILTER CONTAMINATED WITHMETAL.Dec 8, 2000 · Snias AS332LSDR AU001078Case · cracked(AUS) MAIN ROTOR TRANSMISSION LOWER CASE CONTAINED NUMEROUS CRACKS AND WAS LEAKING IN AREA BELOW MOUNT FOR PIN ASSEMBLY PN 206-031-633-101. (X)Nov 10, 2000 · Bell 206B3
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