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.

SDR 98ZZZX1613Droop Stop · crackedDURING 100-HOUR SPECIAL INSPECTION OF MAIN ROTOR HEAD, 4 EACH, DROOP STOP SUPPORT BRACKETS WERE FOUND CRACKED COMPLETELY THROUGH AT BOLT ATTACHMENT POINT SECURING BRACKET TO MAIN ROTOR HEAD. IF DROOP STOP SUPPORT WERE TO DEPART AIRCRAFT, MAIN ROTOR BLADE WOULApr 9, 1998 · N900LF · Doug MD900SDR HEEA0013875Cone Set · defectiveCONE SET TEFLON LINER COMING OFF.Apr 8, 1998 · N141MA · Bell 407SDR AU980382Bearing · failed(AUS) MAIN ROTOR HUB `LAMAFLEX' BEARING FAILED IN-FLIGHT.Apr 8, 1998 · Enstrm 280CSDR 98ZZZX1761Rod End · wornROD END BEARING PLAY. REMOVED AND REPLACED 4 EACH.Apr 8, 1998 · N317MC · Bolkms BK117C1SDR 98ZZZX1760Rod End · wornROD END BEARING PLAY. REMOVED AND REPLACED 4 EACH.Apr 8, 1998 · N317MC · Bolkms BK117C1SDR HEEA0013856Hub · worn4 EACH GRIPS P/N 406-010-108-109, S/N A3310, A3331, A3324, A3312 (ALL TOTAL TIME 1234:35) DUE RETIREMENT. 1 EACH LOWER CONE SEAT P/N 407-010-107-101, S/N A80 (TOTAL TIME 1234:35) DUE RETIREMENT. PARTS AND LABOR WILL BE INVOICED...WO#9800197-99.Apr 6, 1998 · N407MM · Bell 407SDR HEEA0013807Damper · leakingDAMPER IS WEAK AND LEAKING.Apr 2, 1998 · N1546G · Skrsky S76ASDR HEEA0013790Cap Assy · crackedRUBBER CUSHION WORN AND CRACKED.Apr 2, 1998 · N3131S · Bell 212SDR HEEA0013657Grip · defectivePOSSIBLE REPAIR PITCH HORN MOUNT BORE, AND REPLACEMENT OF THE BLADE BOLT BUSHINGS, DRAG BRACE BUSHINGS AND BEARING LINERS.Mar 26, 1998 · N102PH · Bell 212SDR HEEA0013652Damper · leakingVISCIOUS DAMPER LEAKING AND WEAK.Mar 26, 1998 · N1545X · Skrsky S76ASDR HEEA0013630Damper Assy · defectiveDAMPER ASSY SIGHT GLASS CLOUDY AND LEAKING. SERIAL NUMBERS REMOVED ARE A1187 AND R19-11869.Mar 26, 1998 · N1082G · Bell 212SDR HEEA0013587Damper · leakingM/R DAMPER LEAKING AND FLAT SPOT.Mar 26, 1998 · N22342 · Skrsky S76ASDR HEEA0013586Damper · leakingM/R DAMPER LEAKING.Mar 26, 1998 · N706AE · Skrsky S76ASDR HEEA0013560Damper · leakingM/R ROTOR DAMPER WEAK AND LEAKING.Mar 26, 1998 · N1547D · Skrsky S76ASDR HAI00000001Bearing · wornBEARING IS WORN EXCESSIVELY. REPLACED WITH NEWMar 26, 1998 · N900BH · Bell 412SDR CHI2080Housing · mismanufacturedOPERATOR RECEIVED 2 NEW 369A1305 FEATHERING BEARING HOUSINGS THAT DID NOT HAVE THE HOLE DRILLED TO ATTACH THE 369D21333-3 STRIKER PLATE. THE FIRST ONE DID NOT HAVE THE HOLE DRILLED, THE SECOND ONE ORDERED UNDER WARRANTY DID NOT HAVE THE HOLE EITHER. SUBMITTEMar 23, 1998 · Hughes 369CSDR CHI2077Shoulder Bolt · failedAFT ROTOR HEAD SHOULDER BOLT FAILED. SUBMITTER STATED 114R22012 IS THE IMPROVED BOLT THAT IS SUPPOSED TO PREVENT THIS TYPE OF FAILURE.Mar 17, 1998 · N241CH · Boeing 234SDR CA980602041Stop Assy · blistered(CAN) MAIN ROTOR STARFLEX SPHERICAL STOPS BLISTERED. S/N'S 4420, 4422, AND 4444 REPLACED.Mar 17, 1998 · Snias AS350BSDR 98ZZZX1534Ball Joint · wornBALL JOINT WOULD NOT PASS WEAR CRITERIA PER MWC. REPLACED 3 EACH.Mar 17, 1998 · N350BA · Snias AS350BASDR AU980290Nut · worn(AUS) MAIN ROTOR RETAINING NUT FACE WORN BY SEAL EDGE LIP.Mar 11, 1998 · Bell 47G3BSDR AU980278Nut · worn(AUS) MAIN ROTOR MAST NUT WORN. SEAL EDGE LIP WORN INTO NUT FACE.Mar 11, 1998 · Bell 47G3BSDR CA980507001Friction Damper · cracked(CAN) BOTH EARS OF ATTACHMENT LUG BROKEN OFF DUE TO CRACKING THROUGH BOLT HOLES. DAMPER NO LONGER ATTACHED TO AIRFRAME.Mar 9, 1998 · Bell 212SDR HEEA0013266Damper · weakM/R DAMPER IS WEAK.Mar 4, 1998 · N5128 · Skrsky S76ASDR AU980234Support · cracked(AUS) STABILIZER BAR DAMPER SUPPORT PLATE CRACKED AT ONE OF THE FOUR MOUNTING BOLT HOLES.Mar 3, 1998 · Bell 47G3BSDR HAIGJQR0171Damper Assy · leakingDAMPER ASSY EXCESSIVE LEAKAGE. REPLACED DAMPER FROM CSF STOCK -Feb 26, 1998 · N98W · Bell 212SDR HAIGJQR0170Damper Assy · leakingDAMPER HAS EXCESSIVE LEAKAGE. REPLACED DAMPER FROM CSF STOCK -Feb 26, 1998 · N98W · Bell 212SDR HEEA0013070Bearing · wornBEARING INNER RACE SHOULDER WORN ON ONE SIDE DUE TO LOST TORQUE OF NUT P/N MS14145L5 WHICH WAS CAUSED BY THE LACK OF THREADS ON THIS NUT OR WASHER P/N AN960-516 NOT CONTACTING THE PITCH HORN FULLY AS NOTED IN ASB 412-98-92. PART ALREADY SENT.Feb 25, 1998 · N3893N · Bell 412SDR HEEA0013069Bearing · wornBEARING INNER RACE SHOULDER WORN ON ONE SIDE DUE TO LOST TORQUE OF NUT P/N MS14145L5 WHICH WAS CAUSED BY THE LACK OF THREADS ON THIS NUT OR WASHER P/N AN960-516 NOT CONTACTING THE PITCH HORN FULLY AS NOTED IN ASB 412-98-92. PART ALREADY SENT.Feb 25, 1998 · N3893N · Bell 412SDR HAIGJQR0169Trunnion · damagedMFG. DAMAGE IN RADII. REPLACED WITH NEW TRUNNION.Feb 12, 1998SDR CA980225005Bearing · split(CAN) INNER RACE SPLIT ON MAIN ROTOR TRUNNION BEARING.Feb 12, 1998 · Bell 206BSDR HEEA0013002Damper · failedM/R DAMPER HAS A DEAD SPOT.Feb 10, 1998 · N31219 · Skrsky S76ASDR HEEA0013001Damper · weakDAMPERS WEAK AND LEAKING. SERIAL NUMBERS REMOVED ARE A061-01476 AND A061-01165.Feb 10, 1998 · N31217 · Skrsky S76ASDR HEEA0012982Frahm Assy · defectiveM/R VIBRATION.Feb 10, 1998 · N417PH · Bell 407SDR HEEA0012937Damper · weakM/R DAMPER IS WEAK.Feb 10, 1998 · N15460 · Skrsky S76ASDR HEEA0012895Balljoint · wornSTARFLEX BALL JOINT WORN.Feb 9, 1998 · N4034Q · Snias AS350B2SDR HEEA0012894Starflex · splinteredSTARFLEX IS SPLINTERED.Feb 9, 1998 · N6097Z · Snias AS350B2SDR HEEA0012881Stop · wornSTOP WORN BEYOND LIMITS.Feb 9, 1998 · N407PH · Bell 407SDR HEEA0012854Damper · weakM/R DAMPER WEAK.Feb 6, 1998 · N1546K · Skrsky S76ASDR AU980167Damper · delaminated(AUS) MAIN ROTOR ELASTOMERIC DAMPERS FAULTY. AIRCRAFT HAD SUFFERED A HARD LANDING/SUDDEN STOPPAGE APPROXIMATELY 150 HOURS PREVIOUSLY.INSPECTION THEN FOUND NIL DEFECTS BUT SINCE THAT TIME THE AIRCRAFT HAD DEVELOPED A VIBRATION AND AN INSPECTION HAD FOUND ONE DAFeb 6, 1998 · Hughes 269CSDR HEEA0012795Spindle · separatedBEARING SEPARATED FROM SPINDLE.Feb 5, 1998 · N293CA · Bell 412SDR 98ZZZX2782Strap Fitting · wornTHE FITTING PIN HOLES EXCEEDS MAXIMUM DIMENSION ON THE UNWORN PORTION OF THE HOLE PER 206L-1 CRO BY .005 INCH TO .0053 INCH. REPLACED FITTING WITH NEW FITTING.Feb 5, 1998 · N206MY · Bell 206L3SDR 98ZZZX3408Fitting · mismanufacturedSTRAP FITTING STRAP PIN HOLE EXCEEDS MAXIMUM DIMENSION OF 0.8755 INCH, RECORDED DIMENSION IS 0.8757 INCH - 0.8758 INCH PER BHT 206L.Feb 3, 1998 · N206MY · Bell 206L3SDR AU980258Pin · damaged(AUS) MAIN ROTOR HUB BEARING PINS DAMAGED DUE TO MAIN ROTOR STRIKE. BEARINGS WERE ALSO UNSERVICEABLE. FOUND DURING STRIP OF MAIN ROTOR HUB FOR COMPLIANCE WITH AD/BELL47/92 AMDT4.Feb 1, 1998 · Bell 47G3B1SDR 98ZZZX1504Lift Link · wornLIFT LINK BEARING WORN OUT OF LIMITS. REMOVED AND REPLACED.Jan 27, 1998 · N4UV · Bell 230SDR HEEA0012664Damper · weakM/R DAMPER WEAK.Jan 26, 1998 · N1546K · Skrsky S76ASDR HEEA0012657Damper · weakM/R DAMPER WEAK.Jan 26, 1998 · N1546K · Skrsky S76ASDR HEEA0012656Damper · wornM/R DAMPER WEAR SPOT ON PISTON.Jan 26, 1998 · N1545X · Skrsky S76ASDR 99ZZZX762Snap Ring · mismanufacturedTHE SNAP RING THAT HOLDS THE BEARING IN PLACE WAS MACHINED .1250 INCH BELOW THE TOP OF THE BEARING. THE SNAP RING COULD NOT BE PROPERLY INSTALLED, FOUND THE BEARING WAS ONLY HELD IN BY PRESS FIT.Jan 26, 1998 · N248F · Amtr MINI500SDR 99ZZZX761Bolt · looseTHE ROTORHEAD TOLERANCES ARE SO LOOSE THAT IT IS IMPOSSIBLE TO CORRECTLY DETERMINE THE CONING ANGLE. THE BOLTS HOLDING THE GRIPS IN PLACE ALLOW THE HEADS CONE ANGLE TO VARY PLUS OR MINUS 1 DEGREE. TWO DEGREES IS NORMAL, SO THIS IS A 50 PERCENT ERROR. SUBMITJan 26, 1998 · N248F · Amtr MINI500SDR HEEA0012596Spherical Stop · separationSPHERICAL STOP ASSY SEPARATION. SERIAL NUMBERS REMOVED ARE 11731, 11725, AND 11733. REPLACEMENT SERIAL NUMBERS ARE 12494, 12498, AND 12563.Jan 22, 1998 · N60951 · Snias AS350B2
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