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 HEEA968633Bolt · defectiveTUNGSTON COATING FLAKED OFF. SERIAL NUMBERS REMOVED ARE A28, A374, A395, AND A564. SEE MMIR# HEEA0008634 FOR ADDITIONAL RETENTION BOLTS REPLACED.SDR 97ZZZX96Bearing · roughWHILE ROTATING VIBRATION ABSORBER, BEARINGS FELT ROUGH. AFTER PRESSING BEARING OUT OF VIB. ABS. HOUSING FOUND OUTER RACE CRACKED. CORRESPONDING MARK ON HOUSING SHOWED THAT CRACK DID NOT OCCUR DURING REMOVAL.SDR 96ZZZX6133Link · crackedCRACKED LINK DISCOVERED ON PRE-FLIGHT INSP.SDR HEEA968595Grip · corrodedCORROSION ON GRIP TANGS BEYOND LIMITS.SDR HEEA968569Bolt · scoredSCORING ON SHANK. REPLACED WITH SERVICEABLE BOLT.SDR HEEA968568Rod End Assy · corrodedCORROSION PITS ON ROD ENDS. REPLACED WITH SERVICEABLE ROD ENDS.SDR HEEA968554Bolt · flakingTUNGSTEN COATING FLAKING FROM BOLT. SENT TO BELL HELICOPTER TEXTRON FOR INSPECTION AND REPAIR.SDR 97ZZZX726Bearing · wornM/R CENTERING BEARING ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. DEBONDING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX723Bearing · wornM/R CENTERING BEARING ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. DEBONDING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX722Bearing · wornM/R CENTERING BEARING ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. DEBONDING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX721Bearing · wornCENTERING BEARING ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. DEBONDING. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX718Snubber Bolt · wornM/R HEAD SNUBBER BOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW 5 EACH UNITS, CORRECTED PROBLEM.SDR HEEA968539Bearing · failedBEARING INNER RACE CAME COMPLETELY OUT OF BEARING. INSTALLED SERVICEABLE P/C LINK. ONE P/C LINK SCRAPPED CAUSED BY BEARING FAILURE.SDR HEEA968535Bearing · wornSHOULDER ON ONE SIDE OF BEARING WORN EXCESSIVELY. REPLACED ROD END (AND PITCH HORN BUSHING).SDR HEEA968534Bearing · wornSHOULDER ON ONE SIDE OF BEARING WORN EXCESSIVELY. REPLACED ROD END (AND PITCH HORN BUSHING).SDR CA961128012Spacer · corroded(CAN) PILOT REPORTED A CYCLIC STICK AND MAIN ROTOR VIBRATION. IT WAS FOUND THAT THE SPINDLE BEARINGS WERE ROUGH. AFTER DISASSEMBLY THE INNER SPACER (P/N A155-1) WAS FOUND TO BE SEVERELY CORRODED AND PITTED. THE PART LOOKED TO HAVE BAD MACHINING. THE BEARINGS BSDR HEEA968485Strap · req replacementSTRAP S/N BTFS-17845 AND S/N BTFS-17803 WERE REMOVED DUE TO 2 YEAR RETIREMENT AS PER AD 78-11-02R1. REPLACED WITH -007 STRAPS.SDR HEEA968484Bearing · wornBEARING WORN BEYOND LIMITS PER MANUFACTURER. PARTS SCRAPPED LOCALLY.SDR HEEA968483Bearing · wornBEARING WORN BEYOND LIMITS PER MANUFACTURER. PARTS SCRAPPED LOCALLY.SDR HEEA968482Bearing · wornBEARING WORN BEYOND LIMITS PER MANUFACTURER. PARTS SCRAPPED LOCALLY.SDR HEEA968481Bearing · wornBEARING WORN BEYOND LIMITS PER MANUFACTURER. PARTS SCRAPPED LOCALLY.SDR 96ZZZX5942Hub · crackedCRACK FOUND INSIDE CONICAL SURFACE DURING PRE-FLIGHT INSPECTION. CRACKING IN THIS AREA IS COMMON.SDR 96ZZZX6038Rod End Bearing · defectiveINSP FOUND ROD END BEARING DEFECTIVE. REPLACED WITH NEW ROD END BEARING.SDR 96ZZZX6036Collar Set · mis mfgINSP FOUND M/R COLLAR SET DEFECTIVE. REPLACED WITH NEW COLLAR SET.SDR HEEA968404Damper Set · separatedDAMPERS SEPARATED CAUSING LEAD AND LAG PROBLEMS. SEE MMIR # HEEA0008404 FOR ADDITIONAL DAMPER SET REPLACED.SDR HEEA968403Damper Set · separatedDAMPERS SEPARATED CAUSING LEAD AND LAG PROBLEMS. SEE MMIR # HEEA0008403 FOR ADDITIONAL DAMPER SET REPLACED.SDR 97ZZZX719Bearing · wornM/R CENTERING BEARING ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. DEBONDING FROM BALL. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA968398Washer · defectiveTHRUST WASHER REMOVED DUE TO TIGHT TRUNNION AND UNABLE TO BALANCE. CHECKED CENTERING AND FOUND WITHIN LIMITS. FOUND THRUST PLUGS BREAKING DOWN, CAUSING TIGHT TRUNNION.SDR HEEA968375Bearing · excess wearEXCESSIVE WEAR ON OUTBOARD BEARING FACE. INSTALLED SERVICEABLE BEARING. CHECK FOR PROPER FIT AND CORRECT TORQUE.SDR HEEA968289Damper Assy · leakingDAMPER LEAKING FLUID AND CAN'T SEE PIN.SDR HEEA968252Damper · defectiveDAMPER INNER BUSHING CAVITY OVERSIZED.SDR HEEA968251Damper · defectiveDAMPER INNER BUSHING CAVITY OVERSIZED.SDR HEEA968219Cone Set · defectiveCOULD NOT TRACK AND BALANCE MAIN ROTOR SYSTEM.SDR HEEA968161Spring · separationSEPARATION OF FLAPPING SPRINGS. SERIAL NUMBERS REMOVED LK0208M AND LK0181M.SDR HEEA968152Seal · unbondedRUBBER UNBONDED FROM METAL RING. RUBBER BOOT APPEARS TO BE DRY ROTTED.SDR HEEA968135Bearing · looseBEARING UNSTAKED. PART SCRAPPED LOCALLY.SDR HEEA968134Bearing · looseBEARING UNSTAKED. PART SCRAPPED LOCALLY.SDR HEEA968132Yoke · corrodedYOKE IS CORRODED. (CORROSION ON BEARING JOURNALS)SDR HEEA968131Pin Strap · corrodedPART IS CORRODED. (PINS RECEIVED FROM STOCK WITH CORROSION ON PARTS)SDR HEEA968103Vibration Absorb · bolt brokeMOUNTING BOLT BROKE OFF AND THE NUTPLATE BROKE OFF AND BOTH PIECES ARE INSIDE TUBE.SDR HEEA968026Spindle · unbondedBEARING UNBONDED.SDR 97ZZZX645Seal · leakM/R HEAD SEAL LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR CZMA061343Baffle · defectiveCREDIT FOR REPLACEMENT PART REPLACED PART WITH NEW FROM BHT.SDR HEEA967825Starflex · crackedSTARFLEX IS CRACKED.SDR HEEA967824Starflex · corrodedBALL JOINT SEAL CAME OUT. SCRAPPED LOCALLY.SDR HEEA967823Freq Adaoter · corrodedFREQ ADAPTER IS CORRODED. (SEPARATION AND CORROSION) SERIAL NUMBERS REMOVED 7590, 7591 AND 7593.SDR 96ZZZX5615Lead Lag Link · loose bushingDURING REMOVAL OF M/R BLADES, FOUND ONE OF THE LEAD LAG/LINK BUSHINGS LOOSENED FROM LINK. PART REJECTED BY MDHS FIELD SERVICE REP. REPLACED DEFECTIVE LINK ASSY W/SERVICEABLE UNIT.SDR 96ZZZX5462Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)SDR CA970421036Hub · cracked(CAN) CRACKS FOUND ON RED AND GREEN LOWER LEAD LAG LINKS. CRACKS RADIATED FROM TRAILING EDGE BOLT BUSHING TO THE MIDDLE OF LINK. APPROX 2 INCHES LONG.SDR HEEA967785Seal · leakI.B. SEAL LEAKING DUE TO DETERIORATION. ONE EACH O.B. SEAL SHOWING MINOR LEAK. REPLACED ALL SEALS AS A SET. PARTS SCRAPPED LOCALLY.
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