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 CA141126008Barrel · cracked(CAN) CRACK FOUND IN THREADS ON DRAG BRACE BARREL DURING NDT INSPECTION.SDR QMLA2014102014125Adapter · crackedFREQUENCY ADAPTER IS CRACKED ON THE RED BLADE.SDR QMLA2014102014124Adapter · crackedFREQUENCY ADAPTER IS CRACKED ON THE YELLOW BLADE.SDR CA141021010Bearing · damaged(CAN) DURING LONG FINALS AIRPORT, PILOT EXPERIENCED HEAVY VERTICAL VIBRATIONS, THIS WAS REPORTED TO THE MAINTENANCE CREW WHO STARTED INSPECTING THE HELICOPTER AND FOUND THAT ON THE ORANGE BLADE PITCH LINK ASSY, ROD END BEARING 429-010-433-101, THE CARTRIDGE 60SDR CA141114012Yoke · delaminated(CAN) MAIN ROTOR YOKE ASSY HAS DELAMINATION IN ONE SIDE, 12" LONG, AND 3" WIDE, CENTERED ON THE CENTERLINE, 6" IN EACH DIRECTION. CONFIRMED BY TAP TEST AND BY EDDY CURRENT.SDR CA141014021Drive Ring · cracked(CAN) WHILE STATIC WITH BLADES UNTIED THE AIRCRAFT WAS SUBJECTED TO ROTOR WASH FROM A HEAVY HELICOPTER. A PREFLIGHT INSPECTION THE FOLLOWING DAY REVEALED THE MAIN ROTOR DRIVE RING WAS CRACKED.SDR 2014FA0000572Strap · separatedDURING O/H OF M/R HUB ASSY, TT STRAP ASSY SCRAPPED DUE TO SEPARATION OF PLASTIC AROUND BUSHING HOLES WITH TT: 771.9 AND TIME IN SERVICE 14 MONTHS. THIS PART HAS A LIFE LIMIT OF 1200 HRS, 24 MONTHS WHICH EVER COMES FIRST. ANY SEPARATION ON THE PLASTIC COATINGSDR CA140925002Bolt · cracked(CAN) WHEN INSTALLING THE MAIN ROTOR BLADES, FOUND VISUAL INDICATION OF A CRACKED MAIN ROTOR BLADE BOLT. COMPLETED A LIQUID PENETRATE INSPECTION ON ALL 8 BOLTS AND FOUND 2 BOLTS SUSPECTED OF BEING CRACKED. BOLTS WERE SENT TO FOR MAGNETIC PARTICLE INSPECTION,SDR CA141007004Bearing · failed(CAN) IT WAS REPORTED TO MFG THAT THE BEARING IN QUESTION, UPPER MAIN ROTOR PCL ROD END BEARNING, FAILED WITH 231.3 HOURS TT. IT WAS NOTED THAT THE BEARING WAS INSPECTED 34.2 HOURS PRIOR TO THE EVENT WITH NO RPOBLEMS.SDR CA140903006Bearing · failed(CAN) PN 429-010-433-107, PRINTED ON BEARING. ALSO STAMPED ON BEARING, P/N 429-010-433-103. HAD PUT THIS BEARING ON BLUE BLADE ON APRIL 24, 2014 IT FAILED WITH 231.3 HOURS TT ON PART TODAY IS AUGUST 26, 2014. THE BEARING WAS INSPECTED 34.2 HOURS AGO, WITH SDR CA140814004Spherical Stop · cracked(CAN) ELASTOMERIC RUBBER OF THE SPHERICAL STOPS, FOUND TO BE CRACKED AND EXTRUDING BEYOND LIMITS.SDR 2014FA0000461Bolt · wornPILOT REPORTED A VERTICAL VIBRATION. INSPECTION REVEALED THE BOLT WHICH ATTACHES THE MAIN ROTOR PITCH LINK UPPER ROD END TO THE MAIN ROTOR HEAD PITCH LEVER ASSEMBLY WAS SEVERELY WORN. FURTHER INSPECTION REVEALED THE LEVER ASSEMBLY BUSHINGS WERE ALSO WORN FROSDR CA140721023Fitting · cracked(CAN) WHILE PERFORMING A DAILY INSPECTION OF THE ACFT, THE AME NOTICED A THIN BLACK LINE ON THE OUTER END OF THE DRAG BRACE FITTING. AFTER FURTHER INVESTIGATION INCLUDING PAINT REMOVAL FROM THE AFFECTED AREA, THE AME DETERMINED THE FITTING TO BE CRACKED. THE SDR QMLA2014061614074Yoke · crackedUPON INITIAL INSPECTION FOUND FOUR CRACKS IN MAIN ROTOR YOKE LOCATED BETWEEN STATION 26 & 31. CRACKS ARE 2 TO 4.5 INCHES IN LENGTH. AFTER REMOVING SEALANT FROM KNOWN CRACKS FOUND ADDITIONAL CRACKING UNDERNEATH MAKING FIVE CRACKS ON ARM. THERE ARE THREE CRACSDR QMLA2014050514049Yoke · crackedWHILE PERFORMING SCHEDULED 600 HR RECURRING INSPECTION IAW ASB 430-12-48 & BHT-430-MM-2 SECTION 4.1 ON ACSN 49120, DISCOVERED A TOTAL OF 5 CRACKS LESS THAN 3 INCHES ON EACH ARM OF MR YOKE PN 430-010-101-101, SN A-361.SDR CA140417011Spacer · scored(CAN) AFTER AROUND 100 HOURS THE DRIVE LINK SCORES THE SPACER ON THE ROTATING SCISSORS AND THE SPACER AND THE DRIVE LINK HAVE TO BE CHANGED THE SPACER IS BASICALLY SCRAP BUT THE BUSHINGS ON THE DRIVE LINK CAN BE PRESSED OUT AND CHANGED. WE THINK THAT THIS IS SDR CA140214005Starflex · debonded(CAN) FOUND THE STARFLEX DEBONDED BETWEEN THE BUSHING AND THE SPINDLE.SDR CA140204011Stop · delaminated(CAN) SPHERICAL STOP ASSY FOUND DELAMINATED BEYOND LIMITS. THREE SPHERICAL STOP ASSEMBLIES REPLACED.SDR 2013FA0000760Bushing · seizedOUTER BUSHING SEIZED ON INNER BUSHING.SDR CA131216025Clamp · loose(CAN) PILOT REPORTED A LEAK AT INNER CLAMPS OF MAIN ROTOR SPINDLES SPINDLES DRAINED, INNER CLAMPS TIGHTENED, AND SPINDLES SERVICED.SDR CA131216016Frame · cracked(CAN) WHILE SCHEDULED MAINTENANCE WAS CARRIED OUT ON THE STABILIZER BAR, THE CENTER FRAME WHICH HAS 111.3 HRS REMAINING TO IT`S SCHEDULED RETIREMENT LIFE OF 10,000 HOURS, IT WAS DISCOVERED TO HAVE A CRACK APPROXIMATELY .7500" AROUND THE RADIUS OF THE BEARING SSDR AC2A201312040001Damper · deterioratedBLUE MAIN ROTOR DAMPER OTBD BARREL NUT FOUND DAMAGED ON DAILY INSPECTION. REMOVED FAULTY BLUE DAMPER ASSEMBLY, PN 92106-15801-103 AND INSTALLED NEW DAMPER ASSEMBLY OF SAME PN. INSPECTED ALL OTHER DAMPERS IN SERVICE AND REPORTED INCIDENT TO TECHNICAL REPRESENSDR CA131118023Clevis · cracked(CAN) DURING 2500HR INSPECTION OF A THE MAIN ROTOR HEAD, ONE DROOP RESTRAINT CLEVIS WAS FOUND TO HAVE A LENGTHWISE CRACK RUNNING ENTIRE LENGTH OF CLEVIS.SDR QMLA2013110613159Yoke · crackedWHILE PERFORMING 150 HR INSPECTION OF MAIN ROTOR YOKE, FOUND SIX NEW CRACKS SINCE LAST INSPECTION. SMALLEST CRACK WAS 0.5 AND LONGEST CRACK 3.375. FOUR ON TOP OF YOKE, TWO ON EACH ARM AND THREE ON BOTTOM, TWO ON ONE SIDE AND ONE ON THE OTHER.SDR 2013FA0000762Bushing · scoredROTATING SCISSOR "H" LINK, HAS SCORING ON BUSHINGS.SDR CA131107009Starflex · cracked(CAN) VISUAL ROUTINE INSPECTION REVEALED CRACK ON ONE STARFLEX END-BUSHING SEALER.SDR 2013FA0000744Scissor Link · debondedSCISSOR LINK FIXED BUSHING DISBONDED FROM SCISSOR LINK, INNER ROTATING, SLIP BUSHING SEIZED IN OUTER STATIONARY BUSHING.SDR QMLA2013102513148Starflex · crackedDURING MAINTENANCE INSPECTION, A CRACK WAS FOUND IN THE ARM OF THE STARFLEX. THE STARFLEX IS CURRENTLY BEING REPLACED AT THE TIME OF THIS SUBMISSION.SDR 2013FA0000759Bushing · debondedFIXED BUSHING FROM SCISSOR LINK DISBONDED & SEIZED ON REMOVABLE CARBIDE BUSHING.SDR 2013FA0000761Scissor Link · misoverhauledSCISSOR LINK FAILED CLEARANCE CHECK.SDR 2013FA0000606Grip · crackedDURING LOW LEVEL CROP APPLICATION, PILOT HEARD A LOUD POP FOLLOWED BY VIBRATION, LANDED ACFT. NOTICED A CRACK IN THE UNDERSIDE OF THE GRIP DURING A VISUAL INSPECTION. CRACK WAS APPROX 70 PERCENT ACROSS THE LOWER EAR AT THE MAIN ROTOR BLADE BOLT HOLE.SDR ALGA201308017578Servo · flakingMAIN ROTOR SERVO HAD THE NR 2 CRANK BOLT INSTALLED LOOSELY. ON DISASSEMBLY OF THE SERVO, PLASMA COATING WAS DISCOVERED IN ALL INTERNAL LOCATIONS.SDR M3XA2013073000003Bearing · delaminatedDURING FLIGHT, EXPERIANCED A MAIN ROTOR VIBRATION, PRECAUTIONARY LANDING MADE. NORMAL SHUTDOWN. MX INSPECTED AND FOUND SHEAR BEARING ON MAIN ROTOR HEAD DELAMINATING.SDR CA130815004Rod End · worn(CAN) BEARING LINER GONE, EXCESSIVE WEAR BETWEEN BALL AND BEARING OUTER HSG.SDR CA130521011Yoke · broken(CAN) DURING 100 HR INSPECTION, 1 OF THE 3 DROOP RING RETAINING YOKES FOUND BROKEN BUT STILL KEPT IN PLACE BY THE CLAMP. NO OTHER DAMAGE. PART REPLACED BY A NEW ONE.SDR CA130328005Bearing · debonded(CAN) MAIN ROTOR SHEAR BEARING WAS FOUND TO BE DEBONDED AT THE SPINDLE SHAFT.SDR 2013FA0000127Bolt · crackedDURING A 100HR ANNUAL INSPECTION, IT WAS NOTED ON THE VEMD THAT THERE WERE MAST MOMENT EXCEEDANCES TRAPPED. DURING A DIE PENETRANT INSPECTION OF THE SECONDARY BOLTS 3 OF 4 INSTALLED SECONDARY BOLTS HAD CRACKING IN THE THREADED PORTION OF THE BOLT.SDR 2013FA0000115Epicyclic · looseACFT HAS FLOWN 3272.2 HRS SINCE NEW, MAST/ EPICYCLIC HAS NEVER BEEN APART SINCE NEW, PILOTS EXPERIENCED DROOPING ROTOR SPEED INDICATION, NO ACTUAL ROTOR DROOP WAS FELT OR EVIDENT, THE DROOP WOULD BE LOW ENOUGH TO ACTIVATE THE NR WARNING HORN (BELOW 365 RPM).SDR CA130402001Nut · cracked(CAN) DURING A 50 HOUR LUBE BEING CARRIED OUT ON THE M/R HUB ASSY, IT WAS NOTICED THAT A MS21042L4, NUT WHICH RETAINS 1 OF THE 2 THROUGH BOLTS, WHICH RETAINS THE PITCH HORN TRUNNION BEARING WAS FOUND CRACKED. THE NUT AND ASSOCIATED WASHER WERE REPLACED WITH NSDR QMLA2013011413005Bearing · shearedSHEARED BEARING REMOVED FROM SERVICE, DUE TO SHEARED BEARING SEPARATION FOUND DURING DAILY/PERFLIGHT CHECK.SDR CA121227002Adapter · damaged(CAN) ON A FLIGHT ON DECEMBER 21, 2012, THE FLIGHT CREW NOTED A LATERAL VIBRATION THAT BECAME MORE PRONOUNCED DURING DECENT. THE FLIGHT CREW TERMINATED THE FLIGHT AND RETURNED TO BASE. A SUBSEQUENT VISUAL INSPECTION OF THE MAIN ROTOR HEAD FREQUENCY ADAPTERS SDR QMLA2012121512191Link · failedAIRCRAFT BEGAN TO EXPEREINCE A 1 TO 1 VERTICAL VIBRATION AND I FELT FEEDBACK IN THE CYCLIC. DECLARED AN EMERGENCY, AND EXECUTED A ROLL ON LANDING WITHOUT INCIDENT. MX INSPECTED THE ACFT AND DISCOVERED THAT THE LOWER BEARING ON THE BLACK PITCH CHANGE LINK HASDR CA121213009Screw · sheared(CAN) ACFT WIRING WAS BEING CHECKED AND WHEN THE LOWER FAIRINGS WERE REMOVED. THE HEAD OF THE BOLTS SECURING THE LEAF TO THE AIRFRAME WAS LOCATED, SEPARATED FROM THE BOLT. 2 BOLTS HAD THE HEADS SHEARED FROM THE SHANK. THESE BOLTS WERE LOCATED AFT NEXT TO THSDR CA121206003Fitting · worn(CAN) UPON PURGING WITH GREASE OF THE MAIN ROTOR GRIP IT WAS NOTICED THAT GREASE WOULD NOT COME OUT OF THE VENT FITTING AT THE TOP OF THE GRIP. THE ROTOR HUB WAS REMOVED AND DISASSEMBLED TO FIND EXCESSIVE WEAR ON THE FITTING AT THE SEAL CONTACT AREA ALLOWING SDR X33A2012121100001Fairing · missingTHE PILOT FELT TWO THUMPS AND A LOW FREQUENCY BUZZ FOR ONE SECOND. RETURNED TO BASE MECHANIC PERFORMED A VISUAL INSPECTION, REVEALING THAT THE MAIN RROTER FAIRING WAS MISSING AND THE SUPPORT STAR WAS DAMAGED. FURTHER INSPECTION IAW CHAPTER 62 TABLE 602, REVSDR CA121120005Hub · cracked(CAN) AD 2012-21-01 WAS CARRIED OUT IAW SB900-117. AN EDDY CURRENT INSPECTION WAS CARRIED OUT BY NDT AND WAS DETERMINED TO HAVE AN.1250" ANOMOLY. THE LOWER HUB WAS THEN REPLACED WITH A NEW ASSY WHICH DID NOT REQUIRE AD 2012-21-01 TO BE CARRIED OUT.SDR QMLA2012110912176Freq Adapter · distortedDURING 600HR AAIP AIRFRAME INSPECTION, FOUND 3 OF 3 FREQUENCY ADAPTERS ON MAIN ROTOR HEAD HAD SIGNIFICANT DISTORTION IN THE AREA WHERE THEY ATTACH TO MAIN ROTOR SLEEVES. DISTORTION WAS LIMITED TO THE T/E UPPER AND LOWER SIDES OF THE FREQUENCY ADAPTERS. MAINSDR CA121019004Spherical Stop · failed(CAN) DURING A REGULAR DAILY VISUAL INSPECTION OF THE PART IT WAS DISCOVERED THAT THE ELASTOMER WAS EXTRUDING BETWEEN THE RUBBER AND THE SMALL STRUCTURAL PIECE OF THE PART. THE LIFE LIMIT OF THIS PART IS 6400 HRS BUT DUE TO PREMATURE FAILURE OF THE ELASTOMER SDR CA120926009Bearing · worn(CAN) PREMATURE WEAR OF THE LAMINATED BEARING.SDR CA120926010Bolt · sheared(CAN) WHILE CONDUCTING A 600 HR DETAILED CHECK OF THE M/R HEAD AND M/R HEAD STARFLEX. REPLACEMENT 1 OF THE M/R ATTACH BOLTS WAS FOUND SHEARED AND CORRODED. BOLT HAS A LIFE OF 3000 HRS, TTSN = 2393.4, ALL 12 BOLTS REPLACED WITH NEW.
Back to JASC 6220