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 2017FA0000600Boot · tornDURING A PREFLIGHT INSPECTION, FOUND THE MAIN ROTOR BLADE BOOT TORN THROUGH AT INNER BOOT CLAMP. FLUID LEAKAGE NOTED ON BLADE BOOT AND MAST FAIRING. REMOVED THE BOOT, AND IT SHOWED A TEAR PROPAGATING FROM ENTIRE CIRCUMFERENCE OF CLAMP. OPPOSITE BLADE NOTED SDR JYDR20170922257Cylinder Damper · crackedDURING OVERHAUL, A CRACK WAS FOUND IN THE DAMPER BARREL EXTENDING HOLE TO HOLE AND INTO THE CHECK VALVE BORE.SDR JYDR20170727207Tie Bolt · brokenDURING A POST FLIGHT, TIE BOLT WAS FOUND BROKEN. NUT AND WASHER WERE FOUND ON AIRCRAFT UPPER DECK. REPAIR STATION DISPATCHED TASK QUALIFIED PERSON TO CHANGE ALL 3 TIE BOLTS IN THIS AREA. THE TECHNICIAN WILL RETURN WITH THE BROKEN BOLT AND IT WILL BE GIVEN TO SDR M3XA2017071503Bearing · delaminatedDURING NORMAL CRUISE FLIGHT PILOT AND CREW FELT A SHUTTER HE AND CREW SPOKE ABOUT THE SHUTTER IF THEY ALL FELT IT AND WITHIN 3 -4 SECONDS THEY FELT IT AGAIN, PILOT SAID HE REDUCED POWER AND DID A PRECAUTIONARY LANDING. SPEAKING WITH PILOT NO ABNORMAL INDICATIOSDR 8LFA20170524001Damper · crackedFORKED END OF HOUSING HAS A CRACK PROPAGATING FROM ONE SIDE OF THE BUSHING BORE AROUND THE OPPOSITE SIDE OF THE BORE.SDR JYDR20170511031Bearing · chippedMAIN ROTOR HEAD WAS IN FOR SCHEDULED OVERHAUL. ON DISASSEMBLY, FOUND THE INNER RACE OF ONE BEARING ON THE HORIZONTAL AXIS OF THE VERTICAL HINGE ASSEMBLY HAD FOUR CHIPS. TWELVE ROLLERS THAT CONTACTED THE CHIPPED INNER RACE WERE DAMAGED BY RUBBING.SDR EVCA201704181Block · crackedDURING PREFLIGHT INSPECTION PILOT FOUND ONE OF THE MAIN ROTOR HUB PILLOW BLOCK EARS TO BE CRACKED.SDR ISH2017F00002Bearing · crackedTHE SET OF 3 SPHERICAL BEARINGS WERE FOUND TO BE CRACKED BEYOND LIMITS. THE PARTS WERE INSTALLED IN 2014 BUT ONLY HAD A TOTAL TIME OF 1562.2 HRS. THE PART HAS A LIFE LIMIT OF 6400 HRS, THUS THE PARTS OPERATED FOR LESS THAN 25% OF THEIR EXPECTANCY. THE DEFECSDR ISH2017F00001Bearing · crackedTHE SET OF 3 SPHERICAL BEARINGS WERE FOUND TO BE CRACKED BEYOND LIMITS. THE PARTS WERE INSTALLED IN 2014 BUT ONLY HAD A TOTAL TIME OF 1562.2 HRS. THE PART HAS A LIFE LIMIT OF 6400 HRS, THUS THE PARTS OPERATED FOR LESS THAN 25% OF THEIR EXPECTANCY. THE DEFECSDR ISH2017F00000Bearing · crackedTHE SET OF 3 SPHERICAL BEARINGS WERE FOUND TO BE CRACKED BEYOND LIMITS. THE PARTS WERE INSTALLED IN 2014 BUT ONLY HAD A TOTAL TIME OF 1562.2 HRS. THE PART HAS A LIFE LIMIT OF 6400 HRS, THUS THE PARTS OPERATED FOR LESS THAN 25% OF THEIR EXPECTANCY. THE DEFECSDR 2017FA0000142Housing · wornEXTREME PLAY FOUND BETWEEN MAIN ROTOR PITCH HOUSING AND PITCH BEARING HOUSING. THE UPPER BOLT STILL HAD TORQUE STRIP APPLIED BETWEEN NUT WASHER AND BOLT BUT WAS LOOSE IN PIECES DUE TO THE WEAR. THE UPPER BOLTS ON TWO OTHER PITCH HOUSINGS WERE FOUND TO BE UNDERSDR BHHR20170201001Fork · mismanufacturedDISCOVERED THE OUTBOARD TENSION TORSION PIN BORES ARE MISALIGNED. DISCOVERED BORES NOT BEING CONCENTRIC BY MANUFACTURING A WORKAID THAT FIT INTO OUTBOARD TT PIN BORE AND MEASURED T.I.R. WITH A LAST-WORD INDICATOR.SDR 2016FA0000552Nut · seizedDURING REMOVAL OF MAIN ROTOR HEAD, THE MAIN ROTOR HEAD RETAINING BOLTS WERE SEIZING IN THE MAST NUT (TYPICAL OCCURRENCE DURING REMOVAL THAT THE 12 BOLTS WILL NOT THREAD OUT EASILY FROM THE MAST NUT). A NEW MAST NUT AND 12 NEW BOLTS WAS ORDERED. DURING INSTALLASDR 2016FA0000418Bearing · failedFLIGHT RETURNED TO BASE, PILOT REPORTED HAVING SIGNIFICANT ROTOR VIBRATIONS DURING FLIGHT. POST FLIGHT MAINTENANCE INSPECTION FOUND THAT THE SHEAR BEARING HAD FAILED WITH ONLY 473 HOURS SINCE NEW.SDR 9EKA20160810011Rotor Head · misoverhauledMAIN ROTOR HEAD REQUIRED REPLACEMENT DUE TO TIME. THE MAIN ROTOR HEAD WAS OVERHAULED. WHEN RECEIVED, THE HEAD THE PAINT AND SEAL WERE NOT CURED AND EXHIBITED IMPROPER MIXTURE. FIXED THE SEAL ISSUES AND ALLOWED THE HEAD TO STAND IN THE HANGAR TO CURE. NOTICESDR 2016FA0000415Nut · damagedDURING REMOVAL OF MAIN ROTOR HEAD RING NUT, A ROUGHNESS IN SEVERAL RING NUT BOLTS WAS NOTICED. DURING THE INSTALLATION OF THE NEW RING NUT AND RING NUT BOLTS, SEIZING OF 2-3 BOLTS WAS ENCOUNTERED. THE SEIZING OCCURRED DURING REMOVAL OF THE RING NUT/BOLTS DUESDR CHIR201608092520Rotor Head · not seatedROTOR HEAD WAS REMOVED DUE TO A FWD GREEN BLADE LEADING EDGE HORIZONTAL PIN SEAL PROTRUDING. DURING DISASSEMBLY ON SWO-021196-16, THE MECHANIC FOUND THAT THE SEAL WAS INSTALLED IN A SLEEVE WHICH WAS COMING OUT OF THE SEAL BORE. THE SEAL/LINER WORE INTO TSDR EVCA201606241Trunnion · crackedFOUND A PILLOW BLOCK TRUNNION ON THE MAIN ROTOR HEAD THAT HAD A CRACKED MOUNTING LUG.SDR 3KCA2016060700001Bearing · failedPIC REPORTED A MINOR VIBRATION DURING AN EARLY MORNING FLIGHT. AFTER A SECOND FLIGHT, PIC REPORTED THAT THE VIBRATION WAS MUCH WORSE. MAINTENANCE PERFORMED AN INSPECTION OF THE ROTOR HUB COMPONENTS AND FOUND THAT THE SHEARED BEARING HAD COMPLETELY FAILED WITSDR PN1R06032016001Nut · defectiveM/R HEAD WAS REMOVED TO INSTALL A NEW SWASHPLATE BOOT, DURING REMOVAL FOUND 3 EA. RING NUT BOLTS EXTREMELY TIGHT AND 1 OF THOSE HAD SEIZED. PROCURED NEW RING NUT AND 3 EA. NEW BOLTS AND PROCEEDED TO INSTALL. NEARING THE FINAL TORQUE OF 55 FT/LBS, THE TORQUE SDR AC2R2016050903Damper · weakWEAK M/R DAMPER CAUSED ENGINE TORQUE MISCOMPARE. CAUSED BY VIBRATION.SDR AC2R2016050902Damper · weakWEAK M/R DAMPER CAUSED ENGINE TORQUE MISCOMPARE. CAUSED BY VIBRATION.SDR AC2R2016050901Rod End · scoredROD END HAS POSSIBLE CRACK. DISCOVERED WHILE PERFORMING BT139-450. ROD END WILL BE RETURNED TO MFG FOR FURTHER EVALUATION.SDR JYDR20160422098Bearing Race · crackedFOUND HORIZONTAL HINGE PIN INNER BEARING RACE CRACKED DURING REPAIR. MRH HAD 292.3 HRS. REMAINING TO O/H. MFG HAS BEEN INFORMED.SDR QMLA2016030816020Bearing · separatedMAIN ROTOR FEATHERING BEARING ELASTOMER SEPARATION BEYOND LIMITS, FOUND DURING AIRWORTHINESS CHECK. THIS ACFT REMAINS OUT OF SERVICE AT THE TIME OF THIS SUBMISSION AWAITING A REPAIR TO THIS MRH.SDR QMLA2016030816019Bearing · separatedMAIN ROTOR FEATHERING BEARING ELASTOMER SEPARATION BEYOND LIMITS, FOUND DURING AIRWORTHINESS CHECK. THIS ACFT REMAINS OUT OF SERVICE AT THIS TIME AWAITING A REPAIR TO THE MRH INSTALLING NEW FEATHERING BEARINGS.SDR QMLA2016030616018Bearing · wornDURING ENG RUN UP FOR TAKEOFF, WHEN ENG REACHED 100% RPM THE ACFT EXPERIENCED AN INCREASED MAIN ROTOR VIBRATION. AFTER TROUBLESHOOTING, DETERMINED MAIN ROTOR HUB ASSEMBLY BEARINGS WORN. THIS ACFT REMAINS OUT OF SERVICE AT THIS TIME AWAITING A REPLACEMENT MAISDR CA160303004Starflex · cracked(CAN) ADHESIVE SHOULDER AROUND BUSHING CRACKED, MISSING.SDR CA151119007Damper · broken(CAN) DURING CRUISE FLIGHT THE AIRCREW FELT AN ABNORMAL VIBRATION COME ON ALL OF A SUDDEN. THEY REDUCED AIRSPEED AND LOWERED LANDING GEAR. LANDED BACK AT BASE. UPON INSPECTION AFTER THE ACFT HAD SHUTDOWN, ON OF THE MAIN ROTOR DAMPERS WAS FOUND HANGING FROM 1SDR CA151117010Starflex · overheated(CAN) UPON DISASSEMBLY AS PART OF SCHEDULED 600 HR INSPECTION, IT WAS DISCOVERED THAT 1 OF 3 STARFLEX ARM BUSHINGS HAD HEAT DISCOLORATION AND TURNED BLUE IN PLACES. THE ACFT INCORPORATES MFG MODIFICATION DESIGNED TO PREVENT OVERHEATING IN THIS AREA. ASSY WILLSDR QMLA2015100615092Adapter · crackedDURING AIRWORTHINESS CHECK FOUND MAIN ROTOR HEAD BLUE FREQUENCY ADAPTER WITH A CUT & CRACK IN THE RUBBER, AREA B, OUT OF LIMITS IAW AMM.SDR QMLA2015100615091Adapter · crackedDURING AIRWORTHINESS CHECK, FOUND MAIN ROTOR HEAD BLUE FREQUENCY ADAPTER WITH A CUT & CRACK IN THE RUBBER, AREA B, OUT OF LIMITS IAW AMM.SDR 2015FA0000448Fork · crackedAFTER DETERMINING WHAT MAY HAVE CAUSED SN 11513P TO CRACK, WE CHECKED WHICH WAS UNDERGOING MAINTENANCE. WE FOUND SN 11527P TO HAVE A 1" LONG CRACK IN THE SAME PLACE. THIS CRACK STARTED AT THE TOP OF THE FORWARD TT PIN HOLE. THE CRACK LOOKS LIKE IT PROPAGATEDSDR 2015FA0000446Fork · crackedTHE ACFT WAS PERFORMING AERIAL APPLICATION UNDER RESTRICTED CATEGORY. PRIOR TO 9/8/2015, THE PILOT REPORTED THE ACFT FLEW SMOOTH. PILOT REPORTED THAT THE LAST FLIGHT ON 9/7/2015 THE ACFT DEVELOPED A SLIGHT LATERAL VIBRATION. THE NEXT MORNING ON 9/8/2015, HESDR CA150914008Bearing · separated(CAN) ELASTOMERIC MATERIAL SEPARATED FROM PARENT METAL.SDR CA150827012Damper · failed(CAN) PERFORMED A MAIN ROTOR DAMPER TIMING TEST, WE HAVE FOUND THE DAMPER TO FAIL. UPON FURTHER INVESTIGATION IT WAS REMOVED DUE TO EXCESSIVE OIL LEAKAGE. THE DUST BOOT WAS REMOVED AND FOUND THAT THE PISTON WAS UNDERSIZED WHEN MEASURED IAW THE O/H MANUAL SA-4SDR QMLA2015082515077Starflex · crackedDURING 100 HOUR INSPECTION FOUND STAR FLEX ARM CRACKED, APPROX 60MM OTBD FROM THICK PORTION OF ARM. CRACK APPROX 40MM LONG ON TOP SURFACE.SDR CA150827010Shear Restraint · debonded(CAN) ACFT EXPERIENCE HIGH LATERAL VIBRATION IN FLIGHT. ACFT RETURNED TO BASE AND VISUAL INSPECTION REVEALED ELASTOMERIC DEBONDED ON SHEAR RESTRAINT.SDR CA150709001Bearing · separated(CAN) THE QUALITY OF RIDE IN THE HELICOPTER DEGRADED AND THE HUMS SYSTEM ALSO HAD INDICATED AN ISSUE. DURING THE INVESTIGATION, IT WAS FOUND THAT THE PIVOT BEARING HAD SEPARATED FROM THE SPINDLE ASSY. THE SPINDLE ASSY WAS REMOVED AND AN O/H ASSY INSTALLED. SSDR CHIR2015062500001Housing · crackedA POST REPAIR FLOURESCENT PENETRANT INSPECTION WAS PERFORMED ON A PITCH HOUSING AFTER SOME MINOR BLENDING TO REMOVE PITTING. AN INDICATION OF A CRACK WAS DISCOVERED ON THE OTBD RADIUS OF THE TT PIN BORE.SDR 2015FA0000274Freq Adapter · crackedTHE FREQUENCY ADAPTER ON THE YELLOW SLEEVE ASSEMBLY WAS FOUND WITH A 14MM CRACK DOWN THE L/E SIDE OF THE UNIT, 10MM IS THE LIMIT.SDR CA150604021Bolt · galled(CAN) WENT TO INSTALL NEW BOLTS IN STARFLEX. INSTALLED 11 OUT OF THE 12 BOLTS. INSTALLED LAST ONE .7500 PERCENT WAY IN GOT TIGHT, REMOVED BOLT AND FOUND IT GALLED UP SHANK AND WAS VERY DIFFICULT TO REMOVE. WAS PROPERLY LUBED AND INSTALLED IAW LATEST MANUAL. SDR CHIR201508241959Strap · crackedSTRAP WAS FOUND BOWED AND HAD NINE BROKEN PLATES.SDR 2015FA0000210Strap · damagedAN 1:1 VIBRATION WAS REPORTED BY PILOT AS AN ONGOING ISSUE. IN AN ATTEMPT TO ELIMINATE OTHER SYSTEMS SUCH AS SWASH PLATE, FLIGHT CONTROLS AND GEARBOXES, A COMPLETE INSPECTION WAS CONDUCTED BY DISCONNECTING ALL FLIGHT CONTROLS AND ISOLATING EACH SYSTEM INDIVIDSDR CA150429007Starflex · cracked(CAN) DURING VISUAL INSPECTION, IT WAS NOTICED THAT A PORTION OF THE STARFLEX EPOXY BUILD-UP, AT THE BUSHING SHOULDER, WAS CRACKED ALL THE WAY AROUND AND CHUNKS OF EPOXY WHERE MISSING FROM THE TOP AND BOTTOM RADIUS OF SAME SHOULDER. REMOVED.SDR QMLA2015041415028Grip · damagedAIRCRAFT LAST FLOWN, 35 MINUTE FERRY FLIGHT, MONDAY AFTERNOON, 4-13-15. ON TUESDAY APRIL 14TH 2015, AT APPROX 1000 HOURS, THE MECHANICS WERE PERFORMING AN AIRWORTHINESS CHECK ON THE AIRCRAFT, SN 11115. WHILE INSPECTING THE MAIN ROTOR AREA ON THE RT SIDE OF TSDR CA150410018Pin · failed(CAN) LT TEETER PIN SLIDING BEARING KARON BEARING SURFACE FAILURE CAUSE METAL TO METAL CONTACT WITH THE ROTOR HUB TEETER PIN BORE. THE RESULT WAS HEAVY WEAR TO BOTH SURFACES AND SCRAPPING OUT BOTH PARTS. 512.5 HRS TIME IN SERVICE, 87.5 HRS SHORT OF IT SCHEDUSDR CA150410016Yoke · cracked(CAN) POSSIBLE CRACKS FOUND IN YOKE ON INSPECTION OF MAIN ROTOR HUB.SDR QMLA2015031315016Bolt · shearedDURING AN AIRFRAME ZONE 1 INSPECTION, FOUND ONE SIDE OF THE MR HUB, PN 222-012-101-107 SN A98, CORD WEIGHT MOUNT LOOSE. UPON REMOVAL OF THE NUT FROM THE LONG, ALL THREAD, PORTION OF THE MOUNT & THE WEIGHT ITSELF, FOUND ONE BOLT HEAD LAYING LOOSE UNDER THE WEISDR CA141209002Starflex · damaged(CAN) VISUAL INSPECTION REVEALED THAT 1 OF THE STARFLEX ARM END BUSHINGS HAS STARTED TO SEPARATE FROM THE STARFLEX. STARLEX HAS BEEN REMOVED FROM SERVICE.
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