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 CA070205001Spring · broken(CAN) WE ARE DOING A 12 YEAR INSPECTION ON AIRCRAFT, AS WELL AS SEND IT OUT FOR PAINT. THE MAIN ROTOR ANTI-VIBRATOR WAS REMOVED FOR CHECK AND MODIFICATION. WHEN SPRINGS WERE REMOVED, ONE WAS FOUND TO BE BROKEN 40 MM FROM OB END. THIS AREA IS HIDDEN BEHIND SIDESDR CA070125004Bearing · fractured(CAN) UPON LANDING AT THE MAINTENANCE BASE AND FOLLOWING HELICOPTER BEING SHUTDOWN, THE PILOT WAS EXITING AND LEAVING THE AIRCRAFT HE NOTICED THAT THE M/R PENDULUM ABSORBER ON THE YELLOW MAIN ROTOR BLADE WAS IN THE HORIZONTAL POSITION. CLOSER INSPECTION REVEALSDR 2007FA0000071Tie Bolt · brokenWHILE PERFORMING A ROUTINE INSPECTION OF THE MAIN ROTOR SPINDLES, A SPINDLE TIE BOLT WAS FOUND BROKEN AT THE THREADED END OF THE BOLT WHERE THE NUT ATTACHES. THE NUT WAS FOUND INSIDE THE SPINDLE CUFF WHERE THE ROTOR BLADE IS ATTACHED. A BROKEN SECTION OF THESDR AC2A113446Spindle · crackedTHE SPINDLE ASSEMBLY WAS REMOVED TO REPLACE A DEFECTIVE ELASTOMERIC BEARING. WHILE CLEANING THE SPINDLE BEFORE INSTALLING THE NEW BEARING, THE SHOP TECHNICIAN DISCOVERED THE CRACKED SPINDLE.SDR CA061222004Nut · cracked(CAN) THE ACORN NUTS WERE SENT OUT FOR NDT IAW THE REQUIREMENT OF THE OVERHAUL OF THE M/R HEAD ASSY. THE NDT SHOP FOUND A CRACK DEVELOPING NEAR THE BASE IN THE TRANSITION AREA OR CURL OF THE DOME AND THE GEAR PART OF THE ACORN NUTS. THE ESTIMATED TIME ON THESDR PG9A115815Freq Adapter · crackedDURING THE DAILY INSPECTION, FOUND A VERTICLE CRACK EXTENDING UP FROM THE LOWER HOLE ON THE AFT SIDE OF THE ADAPTER. INSTALLED 3 NEW ADAPTERS.SDR 2006FA0001195Damper · broken(REF: MDR06-093) DAMPER WAS REMOVED FROM THE AIRCRAFT DUE TO, THE PISTON PN 6410-26005-104, SN 550 FOUND BROKEN AFTER SHUTDOWN OF HELICOPTER. THE PISTON ROD BROKE NEAR THE FORK ASSEMBLY, PN 6410-26211-041 AND APPEARS TO BE BROKEN AT THREADS. DAMPER WAS INSTASDR AC2A111918Bearing · delaminatedBEARING FOUND DELAMINATED, REPLACED BEARING.SDR AC2A111917Bearing · delaminatedBEARING FOUND DELAMINATED, REPLACED BEARING.SDR AC2A111989Bushing · galledDURING 300 HOUR INSPECTION ROTATING SCISSORS HAD EXCESSIVE PLAY AND WHEN ASSY WAS DISSASSEMBLED THE BUSHINGS WERE GALLED.SDR AC2A111992Scissors · looseDURING 300 HOUR INSPECTION ROTATING SCISSORS HAD EXCESSIVE PLAY AND WHEN ASSY WAS DISASSEMBLED THE BUSHINGS WERE GALLED, REPLACED BUSHINGS.SDR CA061018003Rod · broken(CAN) THE AIRCRAFT WAS INVOLVED IN AERIAL LOGGING OPERATIONS AND HAD JUST SHUT DOWN FOR IT’S MIDDAY MAINTENANCE. THIS MAINTENANCE INVOLVES A FLUID LEVELS CHECK, SERVICING AND INSPECTION OF CRITICAL AREAS ON THE AIRCRAFT. ON THIS PARTICULAR DAY THE MAIN ROTOR DSDR CA060922002Stop · failed(CAN) DAILY INSPECTION REVEALED YOKE ASSEMBLY STOP WAS BROKEN BELOW THE ATTACHMENT POINT. THE CABLE CLIP LOWER EDGE WOULD FOLLOW THE CRACK LINE. THE CABLE CLIP WOULD NOT CONTAIN THE BROKEN COMPONENT AND COULD CREATE FURTHER PROBLEMS IF UNIT BECOMES DISLODGED FSDR CA060921003Pendulum · separated(CAN) A/C WAS IN CRUISE FLIGHT AT 700 FT, AGL WHEN A SUDDEN VIBRATION BEGAN. THE CREW MADE AN IMMEDIATE LANDING IN A FIELD AND SHUTDOWN. INSPECTION FOUND THAT ONE M/R PENDULUM WEIGHT HAD SEPARATED AND STRUCK A M/R BLADE. THE DAMAGED AREA IS 3 INCHES LONG BYSDR AC2A110526Bearing · delaminatedFOUND DELAMINATED / REPLACED BEARINGSDR AC2A110527Bearing · delaminatedFOUND DELAMINATED / REPLACED BEARINGSDR AC2A110528Bearing · delaminatedFOUND DELAMINATED / REPLACED BEARING.SDR CA060727001Nut · cracked(CAN) THIS IS AN ON CONDITION ITEM. SO HISTORY MAY NOT BE ACCURATE. M/R HUB ASSY HAS 18437.6 TIME SINCE NEW. M/R HEAD ASSY WAS IN FOR O/H AND REQUIRES ACORN NUTS TO BE NDT. THIS ONE WAS FOUND CRACKED. (TC NR 20060727001)SDR AC2A110524Bearing · delaminatedFOUND DELAMINATED / REPLACED BEARINGSDR CA060814002Spindle · debonded(CAN) ON A MAIN ROTOR HUB ASSY 2500 HOUR INSPECTION THE RED BLADE SPINDLE ASSY WAS FOUND WITH DAMPER BEARING DEBONDED. (TC NR 20060814002)SDR CA060717006Lock · unserviceable(CAN) PILOT NOTICED FEEDBACK THRU CYCLIC CONTROL FROM MAIN ROTOR HEAD. HELICOPTER WAS LANDED AT MAIN BASE AND SERVICEABLE UNLOCK WAS INSTALLED TSO 00.0 AND TESTED SATISFACTORY. UNSERVICEABLE UNILOCK WILL BE SENT IN FOR OVERHAUL WITH A TEARDOWN REPORT REQUESSDR 2006FA0000751Spring · brokenPILOT REPORTED EXCESSIVE CABIN VIBRATION AT FULL POWER WHILE ON THE GROUND. VIBRATION SUBSIDED IN A HOUR AND THROUGHOUT THE FLIGHT ENVELOPE. DISASSEMBLY AND INSPECTION REVEALED 1 OF 3 SPRINGS IN VIBRATION ABSORBER OF MAIN ROTOR CRACKED ALL THE WAY THROUGH. SDR CA060712001Bearing · separated(CAN) AIRCRAFT DEVELOPED A VERTICIAL VIBRATION, VISUAL INSPECTION REVEALED A SEPERATED SHEAR BEARING. (TC NR 20060712001)SDR KBM2006F00233Hose · leakingFREE WHL RETURN HOSE ASSY (FREE WHL TO FIREWALL) LEAKING. REMOVED AND REPLACED. (K)SDR CA060627003Spindle · broken(CAN) TRANSMISSION SPINDLE ASSY P/N 214-040-606-005 S/N A12-01304 BROKE IN HALF DURRING FLIGHT, AND THE PILOT HEARD A LOUD BANG AND BEGAN A EMERGENCY LANDING. APON SUCSESSFULL LANDING THE ENGINEER FOUND THE SPINDLE CRACKED IN HALF. DURRING THE SHORT TIME IN THSDR YTRR109882Bearing · wornM/R PC LINK BEARING WORN BEYOND LIMITS.SDR YTRR109881Bearing · wornM/R PC LINK BEARING AXIAL AND RADIAL MOVEMENT BEYOND LIMITSSDR YTRR109880Bearing · wornM/R PC LINK BEARING AXIAL AND RADIAL MOVEMENT BEYOND LIMITSSDR KBM2006F00220Bushing · debondedSCISSOR LINK, UNIT BUSHINGS ARE DEBONDED, REMOVED AND REPLACED. (K)SDR PG9A109423Starflex · missingPART OF SEALANT BEAD AROUND END BUSH MISSING, REPLACED STARFLEX.SDR CA060602004Drag Brace · cracked(CAN) THE DRAG BRACE WAS IN THE COMPONENT SHOP GETTING ITS 1200 HR INSPECTION/24 MONTH INSPECTION. THE DRAG BRACE ASSEMBLY WAS PREPARED FOR NDT MAGNETIC PARTICLE INSPECTION. THE NDT SHOP FOUND THIS FITTING WAS CRACKED ON THE IB CURVE. (TC NR 20060602004)SDR CA060524003Yoke · missing(CAN) THE ENGINEER WAS LOOKING AT THE AIRCRAFT AND NOTICED THE THE M/R STATIC STOP YOKE BROKEN OFF AND MISSING OUT OF 3. THE OTHER STATIC STOPS WERE INSPECTED AND FOUND ONE CRACKED. THE AC WAS GROUNDED AND APPROPRIATE PARTS WERE ORDERED. (TC NR 20060524003)SDR CA061030007Retainer · cracked(CAN) ON THE DAILY CHECK BY THE ENGINEER THE MAIN ROTOR BLADE DROOP STOP RING RETAINER WAS FOUND CRACKED BELOW THE RETAINER CLAMP. NO FURTHER DAMAGE. (TC NR 20061030007)SDR YTRR109290Universal Joint · wornUNIVERSAL BEARING ASSEMBLY FOUND WORN. REPLACED PART.SDR 2006FA0000508Beam · crackedDURING SCHEDULED INSPECTION FOUND FLEXBEAM CRACKED IN LEG OF FLEXBEAM. REJECTED FLEXBEAM IAW INSPECTION CRITERIA IN MM. REPLACED WITH NEW FLEXBEAM.SDR 2006FA0000507Beam · crackedDURING SCHEDULED INSPECTION FOUND FLEXBEAM CRACKED IN LEG OF FLEXBEAM. REJECTED FLEXBEAM IAW INSPECTION CRITERIA IN MAINTENANCE MANUAL. REPLACED WITH NEW FLEXBEAM.SDR AC2A109121Stud · crackedDURING AN INSPECTION FOUND ALL 4 DOWN STOPS CRACKED/ REPLACED ALL FOUR DOWN STOPS.SDR KBM2006F00186Ball End · wornBALL END, UNIT WORN, REMOVED AND REPLACED. (K)SDR 2006FA0000427Hub · crackedM/R HUB DYE CHECK INSPECTION. HUB WAS FOUND TO BE CRACKED. RETIREMENT LIFE, 2500 HOURS. (K)SDR 2006FA0000435Rod End · separatedDURING DAILY INSPECTION FOUND RED BLADE MAIN ROTOR DAMPER OB ROD END HAD COME APART. BEARING HAD SEPARATED COMPLETELY FROM ROD END. (K)SDR AC2A109138Yoke · crackedFOUND CRACKS IN YOKE /REPLACED YOKE AND SENT CRACKED ONE TO MFG FOR EVALUATION.SDR CA060616001Spherical Stop · unserviceable(CAN) A/C HAD ABNORMAL VIBRATION AND WOULD NOT STAY IN TRACK. SPHERICAL STOPS HAD EXCESSIVE RUBBER LOSS AND SEPARATION. INSTALLED NEW SPHERICAL STOPS AND M/R COULD BE BALANCE AND TRACKED WITH NO ABNORMAL VIBRATION. (TC NR 20060616001)SDR 2006FA0000362Plate · unbondedLOWER DROOP RING WEAR PLATE BECAME UNBONDED AND CAME OFF THE MAIN ROTOR HUB. THE ENTIRE PLATE WAS FOUND APPROXIMATELY 20 FT FROM THE AIRCRAFT. IT IS NOT CLEAR WHETHER THE PART FELL OFF DURING ENGINE START UP OR SHUTDOWN. WE BELIEVE THE UNBONDING TO BE THE RSDR CA060220005Link · cracked(CAN) DURING A 100 HOUR INSPECTION THE ENGINEER NOTICED A CRACK ON ONE OF THE EARS OF THE LEAD LAG LINK OF THE MAIN ROTOR HUB ASSEMBLY. CRACK PROPAGATED FROM THE BUSHING OUTWARD. (TC NR 20060220005)SDR KBM2006F00066Thrust Bearing · wornM/R SPHERICAL THRUST BEARING AT YELLOW STAR FLEX ARM IS WORN. BEYOND LIMITS, REMOVED AND REPLACED. (K)SDR CA060120002Bearing Race · corroded(CAN) ON A SCHEDULED 1200 HR M/R CORROSION INSPECTION THE INNER RACE OF THE M/R TRUNNION BEARING WAS FOUND TO BE SEVERLY CORRODED TO THE POINT THAT THE INNER RACE WAS CRACKED. THIS BEARING RACE IS THERMALLY PRESS FIT AND THE TIGHT TOLLERANCE, SEVERE CORROSION SDR AOC05004Spring · brokenDURING A 300 HR INSPECTION, A LEAD/LAG DAMPER SPRING WAS FOUND BROKEN IN 2 PLACES. JUDGING FROM THE BREAK LINES, THE SPRING HAD BEEN CRACKED FOR SOME TIME.SDR AU510001932Pitch Horn · damaged(AUS) MAIN ROTOR HEAD PITCH HORN DAMAGED BEYOND REPAIR. INVESTIGATION FOUND THAT AN INDENTATION IN THE PITCH HORN UPPER SURFACE WAS PREVIOUS DAMAGE THAT HAD BEEN BLENDED AND PAINTED OVER. FOLLOWING REMOVAL OF THE PAINT IT WAS FOUND THAT THE DAMAGE WAS BEYOND TSDR CA051205008Stop · crackedDURING OVERHAUL OF MAIN ROTOR HUB, NDT OF THE STATIC STOPS FOUND CRACKS IN CORNERS. THE ASSEMBLY HAS TWO STOPS, AND BOTH WERE CRACKED.SDR BAQ2005F00003Yoke · crackedMAIN ROTOR YOKE ASSY FOUND CRACKED WHILE COMPLYING WITH REQUIRED INSP WHENEVER MAIN ROTOR BLADES ARE REMOVED. (K)
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