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 HE66088176Seal · leakingLEAKING HYDRAULIC DRIVE SEAL NOT ALLOWED TO CHANGE SEAL, MUST CHANGE ENTIRE GEARBOX.Jul 3, 2003 · N135CR · Urocop EC135T1SDR HEEA088059Gearbox · making metalMAIN ROTOR TRANSMISSION CHIP LIGHT ILLUMINATED. REPLACED WITH SERVICEABLE PART.Jul 2, 2003 · N3131S · Bell 212SDR ALGA087894Bearing · spalledTRANSMISSION REMOVED FOR METAL IN OIL, FOUND BEARING BREAKING DOWN.Jul 1, 2003 · N158H · Bell 206B3SDR M7103Bearing · failedAIRCRAFT EXPERIENCED CLUTCH LIGHT DURING FLIGHT AND MADE PRECAUTIONARY LANDING IN PARKING LOT. NO DAMAGE TO AIRCRAFT DUE TO LANDING. EXAMINATION OF AIRCRAFT FOUND LOWER DRIVE BELT PULLEY BEARING FAILURE. PART TT 838.6, OVERHAUL LIFE OF PART 2200 HOURS. BEJul 1, 2003 · N8362L · Robsin R22BETASDR HEEA087851Case · corrodedTRANSMISSION ASSY HAS CORROSION AT LOWER CASE MATING FLANGE. REPLACED WITH SERVICEABLE PART.Jun 24, 2003 · N406PH · Bell 407SDR MDR03016Housing · crackedMGB, UPPER HOUSING, CRACKED UNDER NR 1 INPUT, LT SIDE. THE FIELD CREW NOTICED OIL LEAKING FROM MGB UPPER HOUSING UNDER NR 1 INPUT. INITIAL INSPECTION BY SHOP INDICATED OIL RESIDUE IN AREA, BUT NO CRACK WAS NOTICED. FPI INDICATED NO CRACK. HEAT GUNS WERE USJun 19, 2003 · N164AC · Skrsky S64ESDR HEEA088026Magnetic Seal · leakingTRANSMISSION INPUT SEAL LEAKING. REPLACED MAG SEAL 206040156001 DUE TO PITTING. REPAIRED.Jun 19, 2003 · N493PH · Bell 407SDR HEEA088084Uniball · wornTRANSMISSION HAS EXCESSIVE WEAR ON UNIBALL. REPLACED.Jun 18, 2003 · N40466 · Aerosp AS355*SDR HEEA087860Tube · corrodedMAIN ROTOR GEARBOX OIL TUBE HAS CORROSION FOUND UNDER ADEL CLAMP NOT VISIBLE UNTIL REMOVED. REPLACED WITH SERVICEABLE PART.Jun 14, 2003 · N491PH · Bell 407SDR HEEA087859Tube · corrodedMAIN ROTOR GEARBOX OIL TUBE HAS CORROSION FOUND UNDER ADEL CLAMP NOT VISIBLE UNTIL REMOVED. REPLACED WITH SERVICEABLE PART.Jun 14, 2003 · N491PH · Bell 407SDR HEEA087503Seal · leakingOIL SEEPING FROM TRANSMISSION INPUT SEAL. REPLACED.Jun 12, 2003 · N499PH · Bell 407SDR HEEA087383Tube · corrodedFRETTING CORROSION AT FLARE UNDER "B" NUT. TO BE SENT TO BELL HELICOPTER TEXTRON.Jun 11, 2003 · N8595X · Bell 407SDR HEEA087347Tube · kinkedMAIN ROTOR GEARBOX OIL TUBE KINKED NEAR RADIUS.Jun 11, 2003 · N8595X · Bell 407SDR HEEA087346Tube · leakingFLARE IS WORN AND UNABLE TO STOP LEAK.Jun 11, 2003 · N501PH · Bell 407SDR AUS20030615Pinion Gear · failed(AUS) MAIN TRANSMISSION TAIL ROTOR DRIVESHAFT PINION FAILED IN AREA LOCATED JUST IN FRONT OF THE THREADED AREA ALLOWING THE TAIL ROTOR DRIVE TO SEPARATE. AIRCRAFT STRUCK THE GROUND CAUSING EXTENSIVE DAMAGE TO THE LANDING GEAR.Jun 9, 2003 · Hughes 269CSDR HEEA087180Case · corrodedCORRODED MOUNTING HOLES; LINER WORN; CORRODED ORING GROOVE.Jun 9, 2003 · N81671 · Bell 206L3SDR HEEA087179Support · leakingMAIN ROTOR GEARBOX AFT SUPPORT LEAKING. REPAIRED.Jun 9, 2003 · N6251X · Bell 206L3SDR HEEA087178Support · leakingAFT GEARBOX SUPPORT LEAKING. REPAIRED.Jun 9, 2003 · N6251X · Bell 206L3SDR HEEA087175Seal · leakingGEARBOX OIL PUMP SEAL LEAKING. REPLACED SHAFT 357950110932 DUE TO WORN SPLINES. REPAIRED.Jun 9, 2003 · N83MT · Bell 206L1SDR HEEA087174Bearing · wornBEARING SEAT WORN. SENT TO ABLE ENGINEERING FOR PARTIAL REPAIR.Jun 9, 2003 · N4835 · Bell 206L3SDR HEEA087169Bushing · wornBUSHINGS WORN; BUFFER PADS UNBONDED. REPAIRED.Jun 9, 2003 · N3107N · Bell 206L3SDR HEEA087168Bearing · wornWORN BEARING. REPLACED BEARING 206031594003 DUE TO WORN. REPAIRED.Jun 9, 2003 · N22751 · Bell 206B3SDR HEEA087167Bearing · wornWORN CENTER BEARING. REPLACED BEARING 206031590003 DUE TO WORN; BUSHING 206-031-564-003 DUE TO WORN. REPAIRED.Jun 9, 2003 · N22751 · Bell 206B3SDR HEEA087166Bearing · wornDRAG PIN ASSY BEARING WORN. REPAIRED.Jun 9, 2003 · N2270G · Bell 206B3SDR MDR03015Bearing · disintegratedROLLER BRG FAILED. MGB, SN A6-032, REMOVED FOR MAKING METAL, INDICATED BY MGB CHIP LIGHT. INSP IN SHOP INDICATEDRATCHETING NOISE COMING FROM RT INPUT ASSY WHEN ROTATED. LG AMOUNT OF METALS WERE FOUND IN MGB SUMP. WHILE REMOVING RT 1ST STG PRIMARY INPUT ASSJun 6, 2003 · Skrsky S64ESDR HEEA087046Pump · wornTRANSMISSION OIL PUMP HAS SPLINE WEAR.Jun 4, 2003 · N612PH · Bell 407SDR I05R087967Lever · wornMAIN ROTOR GEARBOX HAS A WORN BEARING, REPLACED PARTSMay 27, 2003 · N551BA · Urocop EC135P1SDR CA030530012Gearbox · making metal(CAN) MAIN TRANSMISSION CHIP LIGHT IN CRUISE, CHIP DETECTORS PULSED UNSUCCESSFULLY, PILOTS LANDED A/C. CHIP DETECTORS INSPECTED AND FOUND .1 FT X .05 FT FERROUS CHIP WITH SEVERAL FERROUS FLAKES. FILTERS INSPECTED, FOUND CONTAMINATED WITH FERROUS FLAKES. TRANMay 27, 2003 · Bolkms BK117B1SDR CA030613009Case · broken(CAN) WHILE CARRYING OUT A DAILY CHECK ON THE AIRCRAFT THE ENGINEER NOTICED THAT THE ONE EAR OF THE LIFT LINK SUPPORT ON THE TRANSMISSION SUPPORT CASE WAS BROKEN OFF. THE TRANSMISSION SUPPORT CASE WAS REPLACEDMay 25, 2003 · Bell 212SDR HEEA086739Magnetic Seal · leakingGEARBOX MAGNETIC SEAL LEAKING. TO BE SENT TO VENDOR.May 22, 2003 · N855PH · Snias AS350B2SDR HEEA086732Friction Ring · leakingTRANSMISSION POWER TAKE OFF SEAL LEAKING. TO BE SENT TO VENDOR.May 22, 2003 · N973AE · Snias AS350B3SDR HEEA086667Seal · leakingMAIN ROTOR QUILL ASSY SEAL LEAKS. IN REPAIR.May 22, 2003 · N21498 · Bell 412SDR HEEA086618Gearbox · making metalGEARBOX MAKING METAL. REPAIRED.May 21, 2003 · N5748M · Bell 214STSDR ALGA086418Universal · wornEXCESSIVE AXIAL PLAY.May 15, 2003 · N477AL · Bell 407SDR CA030617003Fitting · cracked(CAN) SENT IN FOR OVERHAUL, DUE TO BEARING CHANGE NDT INSPECTION FOUND A 1 INCH CRACK AT BASE OF BEARING LUG TO BASE OF FRAME NEXT TO PIN.May 14, 2003 · Bell 206BSDR 2003F00251Freewheel Unit · draggingDURING DAILY INSPECTION, MECHANIC NOTED FREEWHEELING UNIT STAYED ENGAGED WHEN MOVING MAIN ROTOR FORWARD OR BACKWARD. CONDITION WAS VERIFIED BY PERFORMING AUTO-ROTATION DURING OPS CHECK FLIGHT. MAIN GEARBOX TO BE REPLACED IAW MANUFACTURER.May 5, 2003 · N120EB · Urocop EC120BSDR CA030502005Lock · broken(CAN) LOCK FOR BEARING, FOUND BROKEN BY CUSTOMER. UNITS RETURNED FOR METAL CONTAMINATION. ROTOR SHAFT REPAIRED AND BEVEL GEARBOX AND EPICYCLIC OVERHAULED. BEARING PRELOAD IS IMPORTANT DURING REASSEMBLY TO ENSURE LOCK AND THRUST WASHER ARE PROPERLY UNDER LOADMay 1, 2003 · Snias AS350DSDR I05R086285Oil Cooler · leakingOIL COOLER HAS FITTING LEAKING, REPLACED COOLER.Apr 25, 2003 · N26LB · Urocop EC130B4SDR I05R086282Spacer · stuckSPACER STUCK IN LOOSE BUSHING OF SCISSOR LINK. REPLACED SCISSOR LINK AND BUSHING.Apr 25, 2003 · Clark 1000CLARKSDR HEEA087858Tube · corrodedMAIN ROTOR GEARBOX OIL TUBE HAS CORROSION CAUSED BY DISSIMILAR METALS USED IN MANUFACTURING PROCESS. REPLACED WITH SERVICEABLE PART.Apr 15, 2003 · N491PH · Bell 407SDR HEEA087857Line · corrodedCORROSION CAUSED BY DISSIMILAR METALS USED IN MANUFACTURING PROCESS. REPLACED WITH SERVICEABLE PART.Apr 15, 2003 · N491PH · Bell 407SDR AC2A086262Connector · damagedTRANSMISSION SUMP CHIP LITE WOULD NOT PULSE. CLEANED MOISTURE FROM SUMP CONNECTOR PLUG. AIRCRAFT GROUND RUN O.K.Apr 9, 2003 · N430CM · Bell 430SDR AC2A086261Pressure Switch · false indicationWHEN AIRCRAFT IS FLOWN THROUGH RAIN THE TRANSMISSON OIL, RED WARNING LIGHT COMES ON. THE LIGHT GOES OUT SHORTLY AFTER AIRCRAFT IS NOT IN RAIN. THE PRESSURE AND TEMPERATURE ARE IN THE NORMAL RANGE WHEN THE LIGHT COMES ON. CLEANED TRANSMISSION OIL PRESSURE SWApr 9, 2003 · N430CV · Bell 430SDR CA030528006Case · cracked(CAN) 1 SPLINE, ADJACENT TO 3 REWORKED SPLINES HAS SUSPECTED CRACK, IMPACT DAMAGE AND CORROSION PITTING OVER 40 PERCENT LENGTH OF SPLINE. 2ND ADJACENT SPLINE, ALSO HAS SUSPECTED CRACK AND CORROSION PITTING. CRACKS NOT IDENTIFIED ON INITIAL OH NDI ( FPI). Apr 8, 2003 · Bell 206L1SDR CA030405002Bearing · peeling(CAN) OUTPUT QUILL TAPERED ROLLER BEARING INNER RACE PEELING.Apr 3, 2003 · Bolkms BO105CSDR CA030405001Bearing · spalled(CAN) GEARBOX RECEIVED FROM A CUSTOMER IN THE USA. RT INPUT SPLIT INNER RACE BEARING PEELING/SPALLING. METAL CONTAMINATION CAUSED DAMAGE TO OTHER INTERNAL BEARINGS.Apr 1, 2003 · Bolkms BO105CBSSDR ALGA085884Pinion Gear · spalledDUE TO IMPROPER MESHING OF GEARS, PINION GEAR HAD EXCESSIVE SPALLING ON GEAR TEETH. REMOVED AND REPLACED.Apr 1, 2003 · N527AL · Bell 407SDR CA030425003Bearing · making metal(CAN) DURING 600 HR TRANSMISSION INSPECTION INPUT QUILL WAS REMOVED TO FACILITATE MAINTENANCE. BEARING DEFECTS WERE IDENTIFIED THAT REQUIRED REPLACEMENT PRIOR TO AIRCRAFT WAS RETURNED TO SERVICE.Mar 31, 2003 · Bell 212SDR CA030401005Case · broken(CAN) GEARBOX RECEIVED FOR 1500 HOUR INSPECTION. TOP CASE REMOVED AND 10 TEETH FROM 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 CHIP PLUG HADMar 27, 2003 · Bell 206L3SDR CA030327004Bearing · spalled(CAN) RT INPUT SPLIT INNER RACE BALL BEARING PEELING/SPALLING.VOLUME OF METAL CONTAMINATION CAUSED COLLATERAL DAMAGE TO ALL OTHER INTERNAL BEARINGS AND COMPONENTS.Mar 21, 2003 · Bolkms BO105C
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