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 QML2ML0291Bushing · damagedDAMAGE FOUND ON THE MAIN ROTOR HEAD ASSY INNER SLEEVES AFTER THE BLADES HAD BEEN REMOVED FOR OTHER MX. THE PRIMARY BLADE BUSHING IN THE MAIN ROTOR BLADE CAUSED DAMAGE ON THE INNER SLEEVE.SDR 2010FA0000772Hub · vibrationPILOT EXPERIENCED IN FLIGHT STICK SHAKE AND UNUSUAL VIBRATION. MX SUSPECTS PROBLEM WITH DROOP RING AND FOLLOWERS ON MAIN ROTOR HUB ASSY.SDR CHIR07122010001Piston · brokenCAME TO A HOVER ABOVE THE HOOKER, AT THAT TIME WE FELT A LIGHT TO MODERATE LATERAL SHUFFLE. NO UNUSUAL NOISE. NOT KNOWING WHAT WAS CAUSING THE SHUFFLE, WE CHECKED THE SAS SYS, SINGLE, BOTH AND NO SAS WITH NO CHANGE IN THE SHUFFLE. PILOT APPLIED POWER AND IT GSDR CA100609003Bolt · cracked(CAN) CIRCULAR CRACK AT THE JUNCTION OF THE HEAD OF THE BOLT AND THE CYLINDER SECTION WAS FOUND AND CONFIRM BY A 10X MAGNIFYING GLASS AND A FLUORESCENT PARTICLE INSPECTIONS. THE EXACT CONDITIONS HOW THE CRACK WAS FIRST SUSPECTED ARE UNKNOWN. BOLD S/N: A-FS344SDR CA100809008Bushing · damagedSTARFLEX OTBD HUB ARM BUSHING AND SLIGHTLY ROTATABLE. THE ACFT IS GROUNDED UNTIL A NEW STARFLEX IS INSTALLED, OR THIS ONE REPAIRED.SDR CA100427004Hub · damaged(CAN) THREAD DAMAGED FOUND DURING ATTEMP TO REPLACE A DROOP STOP STUD. STUD IN QUESTION HAD ORIGINAL LOCKWIRE FROM FACTORY PRIOR TO REMOVAL OF STUD.SDR QMLA031810008Tube · wornMAIN ROTOR MAST NUT TORQUE CHECK WAS PERFORMED . THE MAST NUT WAS TO BE FOUND LOOSE. THE ROTOR HUB SHAFT WAS REMOVED AND THE SPACER TUBE WAS INSPECTED. THE PROJECTIONS ON THE SPACER TUBE WERE WORN BEYOND ALLOWABLE LIMITS.SDR KBTR 10 0305Starflex · debondedBUSH IN END OF STARFLEX ARM (1 OF 3) FOUND LOOSE AND UNBONDED.SDR E3MABK117C29069Bracket · crackedFOUND 1 BRACKET OUT OF 4 THAT HOLD THE MAIN ROTOR HUB CAP ON TO THE MAIN ROTOR HEAD CRACKED. THIS BRACKET PN 117-13902. THE OLDER MODEL ACFT (A4,B1,B2 AND C1) HAD AN AD ATTACHED TO THIS PART YEARS AGO,THE BRACKET WAS BEEFED UP, THE PN CHANGED TO 117-13902 ANDSDR CA091210002Spring · fractured(CAN) FOUND AS CLOSER INSP WAS DONE ON FRAHM UNIT AFTER BROKEN SPRING FINDINGS ON OTHER COMPANY ACFT.SDR CA091210001Spring · fractured(CAN) FOUND DURING S CHECK (ONE SPRING FRACTURE SEEN THROUGH FRAHM SIDE HOLES, SECOND FOUND AFTER SPRING REMOVAL FROM FRAHM).SDR CA100106009Bearing · worn(CAN) MAIN ROTOR HEAD BEARING WORN- NOT EXPECTED TO LAST NEXT INSP INTERVAL.SDR CA091206005Bearing · cracked(CAN) INNER RACE OF FLAPPING HINGE BEARING FOUND CRACKED HALF WAY THROUGH DURING ANNUAL INSP.SDR CA091206004Bearing · cracked(CAN) INNER RACE OF FLAPPING HINGE BRG FOUND CRACKED HALF WAY THROUGH ON ANNUAL INSP.SDR CA091109006Barrel · cracked(CAN) 2 CRACKS IN BARREL GRIP AREA, COURSE THREAD END, RUNNING LONGITUDLINALY, ONE 1/4 INCH, ONE 1/2 INCH LONG.SDR 2009F00106Thrust Washer · flakingAFTER MAIN ROTOR BLADE CHANGE, DURING TRACK AND BALANCE, ROTOR SYS WOULD NOT RESPOND TO NORMAL CORRECTIONS. REMOVED ROTOR HEAD AND DISASSEMBLED TRUNION ASSY, FOUND "THRUST WASHER" FACE FLAKING OFF AND EFFECTING CENTERING. REPLACED THRUST WASHER AND RE-CENTERSDR 2009FA0000892Bearing · separatedACFT ARRIVED AT HANGAR. PILOT NOTE: THE MAIN ROTOR HAD A VIBRATION. MX INSP MAIN ROTOR AND FOUND SHEAR BEARING HAD BECOME SEPARATED FROM SPINDLE THAT IT WAS BONDED TO. (K)SDR HEEA126365Pitch Horn · crackedDURING DAILY INSPECTION FOUND MAIN ROTOR BLADE PITCH HORN CRACKED AT AFT LOWER TRAILING EDGE. REPLACED PITCH HORN WHICH WAS 50.58 HOURS FROM RETIREMENT.SDR CA090908010Yoke · crackedDURING STARFLEX CHANGE, ONE OF THE 3 YOKES WAS FOUND CRACKED. RECORDS INDICATE THAT THIS PART WAS AN ORIGINAL INSTALLATION. CLOSER INSP WILL TAKE PLACE AT 500 HR SCHEDULED INSP INTERVAL.SDR EGRR2009090883077Bushing · missingCUSTOMER REPORTED MUD AROUND STATIONARY SCISSORS ASSEMBLY. AFTER FURTHER INSPECTION REMOVED SCISSORS AND FOUND BUSHINGS IN LOWER LINK (P/N 76104-08042-101) MISSING. INSTALLED NEW STATIONARY SCISSORS ASSEMBLY P/N 76104-08040-042 S/N B168-00072.SDR 2009FA0000621Starflex · chippedDURING A DAILY INSP CRACKS WERE NOTED ON THE MAIN ROTOR STARFLEX IN THE ADHESIVE BOND FILLET THAT BONDS BUSH ONTO STARFLEX ARM AND PIECES OF THE ADHESIVE FILLET WERE MISSING. THERE WAS NO INDICATION OF A BOND SEPARATION OR GAP BETWEEN BUSH AND STARFLEX. UTILSDR 2009FA0000607Starflex · debondedDURING A DAILY INSP, CRACKS NOTED ON MAIN ROTOR STARFLEX IN ADHESIVE BOND FILLET THAT BONDS BUSHING ONTO STARFLEX ARM. NO INDICATION OF A BOND SEPARATION OR GAP BETWEEN BUSHING & STARFLEX. UTILIZING PROCEDURE FROM MM 62.20.00.601 PARA 7, TEST PERFORMED TO CHSDR 2009FA0000597Starflex · debondedDURING A DAILY INSP, CRACKS WERE NOTED ON MAIN ROTOR STARFLEX IN THE ADHESIVE BOND FILLET THAT BONDS BUSH ONTO THE STARFLEX ARM. THERE WAS NO INDICATION OF A BOND SEPARATION OR GAP BETWEEN THE BUSH AND STARFLEX. UTILIZING THE PROCEDURE FROM THE MM IN CHAPTER SDR EGRR2009063082288Bearing · debondedPILOT REPORTED SEVERE LATERAL VIBRATION. ACFT LANDED, INSPECTED ROTOR HEAD AND FOUND BEARING COMPLETELY DEBONDED. INSTALLED NEW BRG PN 412-010-106-101 AND APPROVED ACFT FOR RETURNED TO SERVICE.SDR 2009FA0000620Starflex · debondedDURING A DAILY INSP, CRACKS WERE NOTED ON MAIN ROTOR STARFLEX IN ADHESIVE BOND FILLET THAT BONDS THE BUSH ONTO THE STARFLEX ARM. THERE WAS NO INDICATION OF A BOND SEPARATION OR GAP BETWEEN THE BUSH AND STARFLEX. UTILIZING THE PROCEDURE FROM MM 62.20.00.601 PASDR 2009FA0000619Starflex · debondedDURING A DAILY INSP, CRACKS WERE NOTED ON THE MAIN ROTOR STARFLEX IN
ADHESIVE BOND FILLET THAT BONDS THE BUSH ONTO STARFLEX ARM. THERE WAS NO INDICATION OF A BOND SEPARATION OR GAP BETWEEN BUSH AND STARFLEX. UTILIZING THE PROCEDURE FROM MM 62.20.00.601 PARSDR 2009FA0000606Starflex · debondedDURING A DAILY INSP, CRACKS WERE NOTED ON THE MAIN ROTOR STARFLEX IN ADHESIVE BOND FILLET THAT BONDS BUSH ONTO THE STARFLEX ARM. THERE WAS NO INDICATION OF A BOND SEPARATION OR GAP BETWEEN BUSH AND STARFLEX. UTILIZING PROCEDURE FROM THE MM IN CHAPTER 62.20.0SDR 2009FA0000605Starflex · debondedDURING A DAILY INSP, CRACKS WERE NOTED ON MAIN ROTOR STARFLEX IN ADHESIVE BOND FILLET THAT BONDS BUSH ONTO STARFLEX ARM. THERE WAS NO INDICATION OF A BOND SEPARATION OR GAP BETWEEN BUSH AND STARFLEX. UTILIZING PROCEDURE FROM MM IN CHAPTER 62.20.00.601 PARAGSDR CA090522005Spacer · failed(CAN) DURING ROUTINE 500 HR INSP AND AFTER THE REMOVAL OF THE FREQUENCY ADAPTORS, THE FLAPPING HINGE PIN SPACER THAT MATES AGAINST THE FREQUENCY ADAPTER SPHERICAL BEARING WERE FOUND CRACKED. REFERENCES: MET CHP 62.35-00.601, 62.35-00.729.SDR CA090518001Bearing · corroded(CAN) RECEIVED MAIN ROTOR HUB FOR 1200 HOUR INTERIM INSP. WHEN DISASSEMBLED FOUND BOTH OTBD EXCLUDERS IN GRIP ASSEMBLIES WERE NO LONGER RETAINING LUBRICANT AND ALLOWING IT TO PASS INTO THE YOKE SPINDLE BORES. THE YOKE SPINDLES INBD RACE AREA DID NOT HAVE SUFSDR 2009FA0000332Hub · crackedMAIN ROTOR HUB PN 51437-11 SN 20074 SHOWED SIGNS OF POSSIBLE CRACK DURING PREFLIGHT, PERFORMED DYE PENETRANT INSP, AS PRECAUTIONARY MEASURE, CRACK INDICATION PRESENT. REMOVED PART FROM FURTHER SERVICE, AND INSTALLED SERVICEABLE PART IN ITS PLACE. CRACK INDICSDR CA090812006Bearing Race · mismanufactured(CAN) NEW INNER RACE NOT MANUFACTURED TO BHL STANDARDS. INNER RACE NOT MACHINED TO CORRECT FINAL DIMENSTIONS . PART RETURNED TOI OEM. PART NUMBER 412-010-414-103. (TC# 20090812006)SDR CA090430003Spindle · mismanufactured(CAN) ASB 214-08-70 NOW IN REVISION `C` RELATES TO IMPOSING A LIMIT LIFE ON SPINDLE ASSY 214-030-606-005. WHEN THE ORIGINAL ASB 214-08-70 CAME OUT. THE NEW MFG SPINDLES WHERE SUPPLIED AT THE SAME TIME. THE HOLE PATTERN WAS NOT CORRECT AND THE PIECE WOULD NOT FSDR CA090420002Stop · brokenWHILE PILOT WAS DOING HIS POST FLIGHT INSPECTION, FOUND THAT THE STATIC STOP HAD BROKEN OFF AT THE FORGE LINE. THE PART WAS BEING HELD BY THE BONDING STAP. AIRCRAFT WAS RETURNED TO SERVICE AFTER PART WAS REPLACED.SDR CA090402007Bearing · seized(CAN) NEW PMA ROD END FOR M/R PITCH LINK WAS INSTALLED AND BEARING WAS VERY TIGHT. AFTER 2.1 HRS OF OPERATION THE SWAGE LOST IT EFFECTIVENESS AND THE OUTER RACE OF THE BEARING STARTED TO ROTATE IN THE ROD END. THE ACFT WAS UNDERGOING TRACKING AND BALANCING WHESDR 2009FA0000263Starflex · debondedDURING PRE-FLIGHT INSPECTION PILOT WAS INSPECTING STARFLEX IAW AD 2002-03-52. SEPARATION OF THE ARM END BUSHES WAS FOUND ON ALL (3) ARM ENDS. FURTHER INVESTIGATION REVEALED THAT ONE BUSHING HAD BECOME COMPLETELY DETACHED FROM THE STARFLEX.SDR CA090326006Bearing · rough(CAN) DURING A M/R BOOT CHANGE THE SPINDLE BEARING WAS NOTED TO BE ROUGH. BEARING WAS REPLACED AND NO FURTHER ISSUES WERE NOTED.SDR CA090304008Bearing · damaged(CAN) RECEIVED MAIN ROTOR HUB FOR REPLACEMENT OF TIME EXPIRED COMPONENTS. WHEN DISASSEMBLED FOUND THAT BOTH OTBD EXCLUDERS IN GRIP ASSEMBLIES WERE NO LONGER RETAINING THE LUBRICANT AND ALLOWING IT TO PASS INTO THE YOKE SPINDLE BORES. THE INBD BEARING CONTACT ASDR 2009FA0000075Yoke · wrong partPART WAS TO REPLACE ANOTHER PART NOW IDENTIFIED AS A SUSPECTED UNAPPROVED PART (SUP). SERIAL NUMBER CT-207 DOES NOT MEET THE REQUIREMENTS OF AN APPROVED PART: INCOMPLETE PAPERWORK, IDENTIFICATION MARKINGS, AND QUESTIONABLE INDICATION OF MANUFACTURE HISTORY. THSDR 2009FA0000074Yoke · wrong partPART WAS INSTALLED. ON REVIEW OF AIRCRAFT RECORDS PRIOR TO PLACING IT ON A 135 CERTIFICATE IT WAS NOTED THAT EITHER THERE WAS A TYPO OR SUP PART INSTALLED ON THE AIRCRAFT. THE FSDO CONFIRMED THE SERIAL NUMBER ON SEPTEMBER 2, 2008 AFTER THE MAIN ROTOR WAS REMOVSDR 2009FA0000042Nut · crackedDURING THE DISASSEMBLY OF THE MRH, 1 NUT WAS FOUND CRACKED. THE NUT IS CRACKED THROUGH ON ONE SIDE AND RUNS THE LENGTH OF THE NUT. THE UNT IS ONE OF (2) THAT SECURES THE DAMPER BRACKET TO THE MRH LOWER PLATE. THE CAUSE OF THE CRACK IS BEING INVESTIGATED. (SDR CA081218002Rotor Head · damaged(CAN) DURING PREFLIGHT INSP ON NEWLY DELIVERED ACFT, DISCOVERED A .5 INCH COUNTERSINK RESTING UNDER ACFT TRANSMISSION. NO DAMAGE WAS FOUND BUT THE TOOL IS LARGE ENOUGH TO HAVE CAUSED FLIGHT CONTROL INTERFERENCE OR TO HAVE CONTACTED THE ROTOR BRAKE DISK. TOOL WSDR CA081120007Stop · cracked(CAN) CRACK DETECTED IN 2 OF THE 3 YOKE, STOP, ASSYS ON THE MAST. FOUND DURING A 6 YEAR CORROSION INSPECTION OF THE MAST. THE PARTS WERE SENT FOR NDT AS PART OF THE AVIATION INSP PROCEDURES FOR THE MAST ASSY (NO MFG REQUIREMENT IN THE TECHNICAL PUBLICATIONS TOSDR CA081120006Stop · cracked(CAN) CRACK DISCOVERED ON 2 OF THE 3 YOKE, STOP, ASSYS REMOVED FROM THE ACFT DURING NDT. THE CRACKS ARE ALLONG THE SECOND RADIUS FROM THE TOP, AND WERE NOT VISIBLE TO THE NAKED EYE.SDR M7KA1026083949Freq Adapter · crackedDURING ROUTINE INSPECTION 1 OF 3 FREQUENCY ADAPTERS FOUND TO HAVE A CRACK IN THE ELASTOMER NEARING ITS MAXIMUM ALLOWABLE LIMITATION OF 10MM. A NEW KIT OF 3 MATCHED ADAPTERS WERE INSTALLED.SDR M7KA1030084134Freq Adapter · crackedDURING ROUTINE MX INSPECTION 1 OF THE 3 FRQUENCY ADAPTERS FOUND TO HAVE A CRACK IN THE ELASTOMER NEARING ITS MAXIMUM ALLOWABLE LIMITATION OF 10MM. A NEW KIT OF 3 MATCHED ADAPTERS WERE INSTALLED.SDR CA081120004Mount · cracked(CAN) CRACK DISCOVERED ON LT FWD STRUT MOUNT FITTING.SDR CA081107008Ball Joint · defective(CAN) IT WAS DISCOVERED DURING A DAILY INSP THAT THE TEFLON LINING INSIDE ONE OF THE STARFLEX BALL JOINTS WAS DISPLACED. THE BEARING WAS REPLACED BEFORE FURTHER FLIGHT AND IT WAS NOTICED THAT THE TEFLON WAS STILL GLUED FIRMLY IN PLACE BUT IT WAS MISALIGNED FROSDR 2008FA0000865Rod · bentON LANDING, PILOT OBSERVED THREE GREEN LIGHTS. ON TOUCHDOWN AND ROLL OUT NOSE GEAR COLLAPSED INTO NOSE GEAR WHEEL WELL. UPON INVESTIGATION GEAR TRANSMISSION WAS DOWN AND LOCKED. NOSE GEAR ROD END BENT FWD SIDE OF AFT RETRACT ROD. NOSE GEAR ROD END CAN BE ASDR AC2A2008081677771Bolt · scoredBOLTS ARE SCORED.
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