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.

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 SIDEFeb 2, 2007 · Snias AS350*SDR 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 REVEALJan 23, 2007 · Bolkms BO105SSDR 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 THEJan 10, 2007 · N411JW · Skrsky S76BSDR 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.Jan 4, 2007 · N7266K · Skrsky S76ASDR 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 THEDec 4, 2006 · Bell 205BSDR 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.Dec 1, 2006 · N133GC · Urocop EC130B4SDR 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 INSTANov 28, 2006 · Skrsky S64ESDR AC2A111918Bearing · delaminatedBEARING FOUND DELAMINATED, REPLACED BEARING.Nov 5, 2006 · N427CK · Bell 427SDR AC2A111917Bearing · delaminatedBEARING FOUND DELAMINATED, REPLACED BEARING.Nov 5, 2006 · N427CK · Bell 427SDR AC2A111989Bushing · galledDURING 300 HOUR INSPECTION ROTATING SCISSORS HAD EXCESSIVE PLAY AND WHEN ASSY WAS DISSASSEMBLED THE BUSHINGS WERE GALLED.Oct 31, 2006 · N139CW · Agusta AB139SDR AC2A111992Scissors · looseDURING 300 HOUR INSPECTION ROTATING SCISSORS HAD EXCESSIVE PLAY AND WHEN ASSY WAS DISASSEMBLED THE BUSHINGS WERE GALLED, REPLACED BUSHINGS.Oct 31, 2006 · N139CW · Agusta AB139SDR 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 DOct 10, 2006 · Skrsky S64ESDR 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 FSep 21, 2006 · Snias AS350B2SDR 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 BYSep 16, 2006 · Bell 222SDR AC2A110526Bearing · delaminatedFOUND DELAMINATED / REPLACED BEARINGJul 27, 2006 · N427CU · Bell 430SDR AC2A110527Bearing · delaminatedFOUND DELAMINATED / REPLACED BEARINGJul 27, 2006 · N427CU · Bell 430SDR AC2A110528Bearing · delaminatedFOUND DELAMINATED / REPLACED BEARING.Jul 27, 2006 · N427CU · Bell 427SDR 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)Jul 27, 2006 · Bell 205A1SDR AC2A110524Bearing · delaminatedFOUND DELAMINATED / REPLACED BEARINGJul 27, 2006 · N427CU · Bell 427SDR 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)Jul 17, 2006 · Bell 412SDR 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 REQUESJul 15, 2006 · Hughes 369ASDR 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. Jul 13, 2006 · N461SA · Snias AS350B2SDR CA060712001Bearing · separated(CAN) AIRCRAFT DEVELOPED A VERTICIAL VIBRATION, VISUAL INSPECTION REVEALED A SEPERATED SHEAR BEARING. (TC NR 20060712001)Jul 10, 2006 · Bell 407SDR KBM2006F00233Hose · leakingFREE WHL RETURN HOSE ASSY (FREE WHL TO FIREWALL) LEAKING. REMOVED AND REPLACED. (K)Jul 7, 2006 · N188TV · Bell 206BSDR 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 THJun 25, 2006 · Bell 214B1SDR YTRR109882Bearing · wornM/R PC LINK BEARING WORN BEYOND LIMITS.Jun 22, 2006 · N594RL · Bell 407SDR YTRR109881Bearing · wornM/R PC LINK BEARING AXIAL AND RADIAL MOVEMENT BEYOND LIMITSJun 22, 2006 · N517R · Bell 407SDR YTRR109880Bearing · wornM/R PC LINK BEARING AXIAL AND RADIAL MOVEMENT BEYOND LIMITSJun 22, 2006 · N517R · Bell 407SDR KBM2006F00220Bushing · debondedSCISSOR LINK, UNIT BUSHINGS ARE DEBONDED, REMOVED AND REPLACED. (K)Jun 21, 2006 · N230SH · Snias AS350B2SDR PG9A109423Starflex · missingPART OF SEALANT BEAD AROUND END BUSH MISSING, REPLACED STARFLEX.May 30, 2006 · N133GC · Urocop EC130B4SDR 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)May 29, 2006 · Bell 205A1SDR 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)May 19, 2006 · Snias AS350B2SDR 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)May 18, 2006 · Snias AS350B2SDR YTRR109290Universal Joint · wornUNIVERSAL BEARING ASSEMBLY FOUND WORN. REPLACED PART.May 18, 2006 · N163RL · Bell 407SDR 2006FA0000508Beam · crackedDURING SCHEDULED INSPECTION FOUND FLEXBEAM CRACKED IN LEG OF FLEXBEAM. REJECTED FLEXBEAM IAW INSPECTION CRITERIA IN MM. REPLACED WITH NEW FLEXBEAM.May 16, 2006 · N902PD · Doug MD900SDR 2006FA0000507Beam · crackedDURING SCHEDULED INSPECTION FOUND FLEXBEAM CRACKED IN LEG OF FLEXBEAM. REJECTED FLEXBEAM IAW INSPECTION CRITERIA IN MAINTENANCE MANUAL. REPLACED WITH NEW FLEXBEAM.May 16, 2006 · N902PD · Doug MD900SDR AC2A109121Stud · crackedDURING AN INSPECTION FOUND ALL 4 DOWN STOPS CRACKED/ REPLACED ALL FOUR DOWN STOPS.May 7, 2006 · N430CV · Bell 430SDR KBM2006F00186Ball End · wornBALL END, UNIT WORN, REMOVED AND REPLACED. (K)May 6, 2006 · N751H · Snias AS350B2SDR 2006FA0000427Hub · crackedM/R HUB DYE CHECK INSPECTION. HUB WAS FOUND TO BE CRACKED. RETIREMENT LIFE, 2500 HOURS. (K)Apr 12, 2006 · N46MV · Hiller UH12ESDR 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)Apr 11, 2006 · N820NA · Agusta A119SDR AC2A109138Yoke · crackedFOUND CRACKS IN YOKE /REPLACED YOKE AND SENT CRACKED ONE TO MFG FOR EVALUATION.Apr 8, 2006 · N430CT · Bell 430SDR 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)Mar 26, 2006 · Snias AS350BASDR 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 RMar 14, 2006 · N453F · Urocop EC120BSDR 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)Feb 15, 2006 · Hughes 369DSDR KBM2006F00066Thrust Bearing · wornM/R SPHERICAL THRUST BEARING AT YELLOW STAR FLEX ARM IS WORN. BEYOND LIMITS, REMOVED AND REPLACED. (K)Feb 8, 2006 · N115SH · Snias AS350B2SDR 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 Jan 17, 2006 · Bell 206L1SDR 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.Dec 13, 2005 · N2869F · Bell 407SDR 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 TDec 12, 2005 · Bell 206B1SDR 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.Dec 5, 2005 · Bell 206BSDR BAQ2005F00003Yoke · crackedMAIN ROTOR YOKE ASSY FOUND CRACKED WHILE COMPLYING WITH REQUIRED INSP WHENEVER MAIN ROTOR BLADES ARE REMOVED. (K)Nov 18, 2005 · N431UM · Bell 430
Back to JASC 6220