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 HEEA063453Bearing · damagedBEARING UNSTAKED. REPLACED WITH SERVICEABLE PART.SDR 99ZZZX3464Rod End · main rotorBEARINGS WORN. REMOVED AND REPLACED.SDR 99ZZZX3177Bearing · overheatedDURING HEATING, RACES TURNED TO A GOLDEN BRONZE COLOR TEMPERATURE 200 DEGREES - 250 DEGREES, HEATED LESS THAN 10 MINUTES. CONTACTED BELL PRODUCT SUPPORT, SENT FOR EVALUATION.SDR HEEA063168Frahm Assy · making metalFRAM ASSY MAKING METAL.SDR HEEA063163Trunnion · mismanufacturedBEARING MISMANUFACTURED. INCORRECT POSITION OF GREASE INLET RELATIVE TO BOLT CUT-OUTS ON BARREL (GREASE INLET ON BOTTOM OF BARREL WHEN INSTALLED). UNABLE TO INJECT GREASE INTO BARREL WHEN INSTALLED.SDR 99ZZZX3283Bearing · looseUPPER BEARING LOOSE IN DAMPER. REMOVED AND REPLACED.SDR HEEA063409Member · wornSTOP LAMINATES WORN BEYOND LIMITS.SDR HEEA063408Bearing · wornMAIN ROTOR BEARING WORN BEYOND LIMITS. REPLACED WITH SERVICEABLE PARTS.SDR HEEA063401Screw · corrodedCORROSION ON M/R HUB SCREW. REPLACED WITH SERVICEABLE PARTS.SDR HEEA063400Screw · corrodedCORROSION ON RED BLADE UPPER PC LINK ATTACH BOLT. REPLACED WITH SERVICEABLE PART.SDR HEEA063399Screw · wornSCREW WORN. REPLACED WITH SERVICEABLE BOLTS.SDR HEEA063147Hub · overservicedMAIN ROTOR HUB SLINGING GREASE.SDR 2000ZZZX143Bearing · wornELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 2000ZZZX142Bearing · wornELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA063002Frahm Assy · unbondedRUBBER UNBONDED ON FRAM ASSEMBLY. REFERENCE: DMR NR 686200.SDR HEEA062982Damper · corrodedCORROSION DUE TO NO PREVENTIVE MAINTENANCE.SDR HEEA062981Bearing · peelingBEARING HAS BLUE EPOXY PEELING.SDR HEEA062979Pitch Horn · corrodedPITCH HORN HAS CORROSION DUE TO NO PREVENTIVE MAINTENANCE.SDR CA990812044Nut · missing(CAN) DURING ROUTINE INSPECTION, IT WAS NOTED THAT THE BOLT P/N LWB-22-6-58 THAT HOLDS THE END OF THE HYDRAULIC DAMPER WAS PROTRUDING. FURTHER INVESTIGATION REVEALED THE NUT P/N FN22M-624 AND WASHER P/N WP22-6 WERE MISSING.SDR HEEA063012Spherical Stop · separatedSPHERIAL STOP SEPARATED. SERIAL NUMBERS REMOVED ARE LK2082, LK2147, AND LK2192.SDR HEEA063007Strap · mismanufacturedSTRAP MISMANUFACTURED. THICKNESS DIAMETER 6.4 MM; SHOULD BE 6 MM.SDR 99ZZZX3857Damper Pin · looseDURING 100-HOUR INSPECTION, THE MAIN ROTOR DAMPER PINS WERE FOUND LOOSE AND ONE, THE 'BALE', WAS NOT ENGAGED PROPERLY. (THE PIN HAVING RISEN SO HIGH AS TO FORCE THE BALE OFF OF THE INDEX). INSPECTED, ADJUSTED, AND RE-INSTALLED TWO EACH (RED AND YELLOW).SDR CZMA082750Bearing · defectiveMAIN ROTOR HEAD BEARINGS BECAME UNSTAKED FROM DRIVE LINK REPLACED BEARINGS AS PER BHT CR & O V1SDR HEEA062832Bearing · bindingBINDING IN CYCLIC WITH HYDRAULIC POWER ON. REPLACED WITH SERVICEABLE ASSY.SDR 99ZZZX2769Damper · debondedDEBONDED AT OUTBOARD CENTER. REMOVED AND REPLACED.SDR 99ZZZX2766Damper · contaminatedSIGHT GLASS CLOUDY. REMOVED AND REPLACED.SDR 99ZZZX3782Ball Joint · wornBALL JOINT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR CZMA082749Spindle · defectiveBLADE TRACKING ABOUT 2 FT TO LOW REPLACED SPINDLE ASSY WHICH WAS INCORRECTLY MANUFACTUREDSDR HEED064560Lift Link · wornLIFT LINK ASSEMBLY'S ELASTOMETRIC BEARING WORN. ORDERED REPLACEMENT.SDR 99ZZZX2556Beam · damagedWALKING BEAM REPLACED WITH NEW FROM BELL HELICOPTER.SDR ERAA062924Damper · stiffDAMPER REMOVED FROM AIRCRAFT DUE TO BEING STIFF.SDR ERAA062923Damper · weakMAIN ROTOR DAMPER WEAK.SDR HEEA062543Adapter · crackedREMOVED DURING OVERHAUL AND NDT PROCEDURE. CRACKS WERE FOUND. SERIAL NUMBERS REMOVED ARE A2855, A2844, A2882, AND A2884. REPLACEMENT PART SERIAL NUMBERS ARE A3311, A3592, A3615, AND A3591.SDR HEEA062542Stud · crackedDROOP STOP REMOVED DURING OVERHAUL AND NDT PROCEDURE. CRACKS WERE FOUND.SDR ERAA062567Retainer · flakingNEW RETAINERS ISSUED TO AIRCRAFT, BUT COULD NOT BE INSTALLED. RETAINERS HAVE SILVER COATING FLAKING ON GROUND RUN.SDR CA990630005Blade Bolt · scored(CAN) ON A BLADE CHANGE 459.0 HRS PREVIOUS, ONE OF THE BLADE BOLTS GOT TIGHT AND STARTED TO TURN ABOUT 1/3 OF ITS TRAVEL OUT. AFTER BLADE BOLT WAS REMOVED, INSPECTION REVEALED THAT THE BOLT AND UPPER BUSHING WAS SCORED. BUSHING WAS DRESSED OUT I.A.W. BELL MSDR HEEA062430Elastomeric · contaminatedELASTOMER OIL SOAKED ON BELLCRANK.SDR 99ZZZX2240Bearing · roughTAIL ROTOR LINK HAS ROUGH, DRY BEARINGS. REMOVED AND REPLACED.SDR 99ZZZX2164Ring · damagedREPLACED WITH NEW OUTER RING FROM BELL HELICOPTER.SDR 99ZZZX2161Damper Pin · looseDURING A 100-HOUR INSPECTION, THE DAMPER PIN WAS FOUND UNCOUPLED FROM THE PIN ADJUSTMENT NUT. INSPECTED, RE-TORQUED, AND RE-INSTALLED.SDR 99ZZZX2016Bearing · wornC106-5 AND C106-6 JOURNALS WORE INTO THE MAIN ROTOR HUB. THE HUB WAS SCRAP. SEVERE SHIP VIBRATIONS NOTICED WHEN LIGHT WEIGHT AND LOW COLLECTIVE INPUT. SUBMITTER STATED POSSIBLE CAUSE AS CORROSION ON JOURNALS WORE THE C648-1 BEARING MATERIAL AWAY UNTIL IT WOSDR 99ZZZX2015Bearing · wornC106-5 AND C106-6 JOURNALS WORE INTO AND THROUGH THE C648-1 BEARING MATERIAL MAKING METAL-TO-METAL CONTACT. HEAVY SHIP LOW FREQUENCY VIBRATION WAS NOTICED WHILE IN HOVER AND LOW COLLECTIVE INPUT. SUBMITTER STATED POSSIBLE CAUSE IS CORROSION ON JOURNALS, WORNSDR HEED064549Bearing Pad · separatedBEARING PAD SEPARATED. ORDERED REPLACEMENT.SDR HEED064548Bearing · separatedBEARING PAD SEPERATED. ORDERED REPLACEMENT.SDR 99ZZZX2243Bearing · roughROUGH GRIP BEARING. REMOVED AND REPLACED.SDR 99ZZZX2154Damper · damagedMAIN ROTOR VIBRATION. WILL NOT ZERO, TOO MANY THREADS SHOWING WHEN ZERO ON TURNBUCKLE. REMOVED AND REPLACED.SDR R7MA0000637Damper · wornBUSHINGS WORN. PAC WOULD NOT SUPPLY BUSHING. (X)SDR R7MA0000635Bushing · wornMRH SWASHPLATE FIXED SCISSORS. REPLACED BEARINGS.SDR R7MA0000628Rod Ends · wornROD ENDS WORN. REPLACED FOUR EACH. (X)SDR R7MA0000629Rod End · wornROD END WORN. (X)
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