JASC 6220
Service difficulty reports · 2,052
Reports filed under 6220 · Main Rotor Head, 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 = '6220' 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 = '6220' 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 HEEA966608Bolt · flakingBOLT TUNGSTEN CARBIDE COATING FLAKING. S/N A557 & A60SDR CA960221202Bearing · chafed(CAN)THE MAIN ROTOR HEAD WAS BEING REPAIRED FOR GREASE LEAKAGE PAST THE SEAL SLEEVE 'O' RING. PRIOR TO REINSTALLATION OF THE MAIN ROTOR GRIP, IT WAS NOTICED THAT FIVE OF THE INBOARD BEARING CAGE BARS HAD CHAFED THROUGH. ALL ROLLERS REMAINED IN PLACE.SDR HEEA966543Shaft Seal · leakingINBOARD AND OUTBOARD SEALS LEAKING, BEARINGS BREAKING DOWN, 3 EACH RETAINERS CORRODED, 8 EACH SECONDARY BUSHING SCARRED, 4 EACH PRIMARY BUSHING SCARRED AND CORRODED. SEE MMIR# 6542 FOR ADDITIONAL PART INFORMATION.SDR HEEA966542Shaft Seal · leakingINBOARD AND OUTBOARD SEALS LEAKING, BEARINGS BREAKING DOWN, 3 EACH RETAINERS CORRODED, 8 EACH SECONDARY BUSHING SCARRED, 4 EACH PRIMARY BUSHING SCARRED AND CORRODED. SEE MMIR# 6543 FOR ADDITIONAL PART INFORMATION.SDR CA960212101Starflex · cracked(CAN)YELLOW ARM OF STARFLEX FOUND CRACKED. CRACK STARTED 223 MM FROM SLEEVE END AND RUNS 6 MM TOWARD SLEEVE THEN CURVED BACK AND RAN ANOTHER 9 MM. CRACK DEPTH 4 MM.SDR HEEA966498Bolt · flakingBOLT TUNGSTEN CARBIDE COATING FLAKING OFF. S/N A726 & A750SDR HEEA966497Bolt · coat flakeBOLT TUNGSTEN CARBIDE COATING FLAKING OFF. S/N A732, A50 AND A716SDR HEEA966496Bolt · flakingTUNGSTEN CARBIDE COATING FLAKING OFF.SDR 96ZZZX611Lead Lag Link · crackedINSPECTION FOUND BUSHING LOOSE AND CRACK IN LEAD LAG LINK ORIGINATING FROM BUSHING.SDR 96ZZZX1679Ball Joint · wornTEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 3 EACH NEW UNTS, CORRECTED PROBLEM.SDR HEEA966442Shaft Seal · leakingSHAFT SEAL LEAKING IN FLIGHT. NO STATIC LEAK.SDR CA960129022Seal · unseats(CAN)WHILE GREASING HEAD THE SEAL BECOME DISLODGED AND MOVE INBOARD, AND HAVE TO BE RESEATED.SDR HEEA966372Spindle · unbondedBEARING UNBONDED FROM SPINDLE. SENT TO LORD MANUFACTURING FOR INSPECTION AND REPAIR.SDR HEEA966347Bolt · flakingPLATING FLAKING AT EDGE OF BOLT SHANK.SDR HEEA966346Bolt · flakingPLATING FLAKING AT EDGE OF BOLT SHANK.SDR HEEA966345Bolt · flakingPLATING FLAKING AT EDGE OF BOLT SHANK.SDR HEEA966344Cone · frettingFRETTING FABRIC GALLED OUT.SDR CA960126015Frequency Adapte · worn(CAN)EXCESSIVE 3 PER VIBRATION CAUSED BY WORN FREQUENCY ADAPTERS.SDR CA960206101Bolt · sheared(CAN)THE DRIVE LINK WAS BEING REMOVED TO REPLACE THE TRUNNION BEARING IN THE SWASHPLATE OUTER RING ASSEMBLY. THE BOLT HEAD SHEARED OFF UPON DISASSEMBLY.SDR HEEA956301Bushing · mis mfgRADIUS NOT FINISHED. MIS-MANUFACTURED.SDR HAIGJQR0061Arm · stickingARM STARTED STICKING IN FLIGHT POSITION AFTER SHUTTING DOWN AIRCRAFT. AFTER REPEATED ATTEMPTS TO FREE UP ARM, REPLACED IT WITH CSF STOCKSDR GJQR9561Arm Assy · stickingARM STARTED STICKING IN FLIGHT POSITION AFTER SHUTTING DOWN AIRCRAFT. AFTER REPEATED ATTEMPTS TO FREE UP ARM, REPLACED IT.SDR 96ZZZX736Washer · defectiveINSPECTION OF LOWER BIFILAR FOUND 4 OF THE WASHERS WERE BREAKING DOWN. COMPONENT P/N 7610708100041.SDR HEEA956219Fitting · mis mfgBOLT HOLE EAR NOT CUT DOWN.SDR 96ZZZX561Thrust Bearing · blisteredTHE MAIN ROTOR SPHERICAL THRUST BEARINGS HAVE BEEN MONITORED IN SERVICE ON THIS AIRCRAFT DUE TO THE WEAR OF THE ELASTOMER MATERIAL. THESE BEARINGS HAVE A HISTORY OF A SHORT LIFE IN RELATIONSHIP TO THEIR PUBLISHED LIFE LIMIT OF 6,400 HOURS.SDR 96ZZZX560Thrust Bearing · blisteredTHE MAIN ROTOR SPHERICAL THRUST BEARINGS HAVE BEEN MONITORED IN SERVICE ON THIS AIRCRAFT DUE TO THE WEAR OF THE ELASTOMER MATERIAL. THESE BEARINGS HAVE A HISTORY OF A SHORT LIFE IN RELATIONSHIP TO THEIR PUBLISHED LIFE LIMIT OF 6,400 HOURS.SDR 96ZZZX559Thrust Bearing · blisteredTHE MAIN ROTOR SPHERICAL THRUST BEARINGS HAVE BEEN MONITORED IN SERVICE ON THIS AIRCRAFT DUE TO THE WEAR OF THE ELASTOMER MATERIAL. THESE BEARINGS HAVE A HISTORY OF A SHORT LIFE IN RELATIONSHIP TO THEIR PUBLISHED LIFE LIMIT OF 6,400 HOURS.SDR HEEA956164Yoke · journal failBEARING JOURNAL BREAKING DOWN. REPLACED WITH NEW YOKE.SDR 96ZZZX1670Shim · wornSHIM WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR CA951130007External Stop · corrosion(CAN)EXFOLIATION CORROSION ON OUTBOARD SIDE OF STOP.SDR HEED95395Damper · leakingDAMPER LEAKING. REPLACED UNITSDR HAI00000046Support · mis mfgONE SET OF GIMBAL RING ATTACHMENT TANGS ARE DISPLACED OR POSITION TOO CLOSE TOGETHER NOT ALLOWING INSERTION OF BEARING BETWEEN TANGS AND BUSHINGS WITHOUT EXCESSIVE FORCE OR STRESSING TANGS APART, DEFECT WAS NOTED ON INITIAL RECEIPT OF PART INTO STOCK. REPLACEDSDR CA951122008M/R Head · incorrect shims(CAN)WHILE ATTEMPTING TO TRACK AND BALANCE ROTOR ASSEMBLY AFTER A HEAD CHANGE, THE VERTICAL VIBRATION COULD NOT BE REMOVED. DETAILED INVESTIGATION FOUND THE STATIC STOP SHIMMING WAS INCORRECT, THIS ALLOWEDTHE INBOARD FITTINGS TO MOVE WITHIN THE YOKE ASSEMBLY (SDR HEEA956005Yoke · bearing failedBEARING JOURNAL BREAKING DOWN. REPLACED WITH NEW YOKE ASSEMBLY.SDR 96ZZZX1659Bolt · wornBOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX1658Bolt · wornBOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX1595Bolt · wornWORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 3 EACH NEW UITS, CORRECTED PROBLEM.SDR 96ZZZX1594Bolt · wornM/R BOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 95ZZZX6695Bearing · debondedBEARING WAS ON CONDITION LIFE. ITEMS HAVE FAILED DUE TO DEBONDING OR DETERIORATION AND EXTRUSION OF THE RUBBER. ITEMS IN SERVICE 4-5 YEARS.SDR 95ZZZX6694Bearing · debondedBEARING WAS ON CONDITION LIFE. ITEMS HAVE FAILED DUE TO DEBONDING OR DETERIORATION AND EXTRUSION OF THE RUBBER. ITEMS IN SERVICE 4-5 YEARS.SDR 95ZZZX6693Bearing · debondedBEARING WAS ON CONDITION LIFE. ITEMS HAVE FAILED DUE TO DEBONDING OR DETERIORATION AND EXTRUSION OF THE RUBBER. ITEMS IN SERVICE 4-5 YEARS.SDR HEEA955921Balljoint · wornTEFLON WORN. SERIAL NUMBERS REMOVED ARE SF128, SF143, AND SF145.SDR 95ZZZX6995Ball Joint · wornBALL JOINT BEARINGS WORN. NORMAL WEAR. REPLACED 3 EACH.SDR HEEA955909Starflex · crackedSTARFLEX CRACK ON YELLOW ARM.SDR HEEA955902Yoke · corrodedFOUND GREASE WATERY & BLACK COLORED. O/B BEARING JOURNAL BREAKING DOWN, EXCESSIVE CORROSION IN RETAINER BORES, AND SURFACE CORROSION ON YOKE BETWEEN JOURNALS. SCRAPPED YOKE LOCALLY.SDR 95ZZZX6998Bearing · making metalMAST BEARING SUSPECTED MAKING METAL. NEEDS EVALUATION.SDR HEEA955897Starflex · crackedSTARFLEX CRACKED BEYOND LIMITS.SDR 96ZZZX2529Spherical Stop · wornMAIN ROTOR ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX2528Spherical Stop · wornMAIN ROTOR ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 96ZZZX2527Spherical Stop · wornMAIN ROTOR ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WTIH NEW UNIT, CORRECTED PROBLEM.
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