JASC 6500

Service difficulty reports · 105

Reports filed under 6500 · Tail Rotor Drive System, 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 = '6500'
  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 2026FA0000555Yoke · damagedTAIL ROTOR DRIVE YOKE PN C908-1 REV K LOT 220 LOST A MAGNET THAT PHASES WITH THE HALL EFFECT SENSORS TO PROVIDE MAIN ROTOR RPM. THIS RESULTED IN THE FAILURE OF THE MAIN ROTOR RPM SYSTEM AND CAUSED AN ABORTED FLIGHT AND RECOVERY OF PASSENGERS WITH ANOTHER AIRJul 1, 2026 · N786AK · Robsin R44RAVENIISDR QMLA2024062520068Servo · noiseLOUD WHINING NOISE COMING FROM ABOVE AND AFT OF THE REAR FORWARD FACING SEATS. IT OCCURRED DURING A CLIMB AT MCP AND 60 KNOTS. AFTER TURNING AROUND AND LOWERING POWER TO RETURN TO BASE, THE NOISE SUBSIDED. REPLACED TR SERVO, RTS.Jun 21, 2024 · N911AL · Bell 407SDR QR9R2024051000001Bearing · separatedTHE RAD ANGULAR BALL BEARING INNER RACE FELL OUT DURING INSPECTION AND PREP FOR INSTALL.May 10, 2024 · Bolkms BK117C2SDR 2023FA0000810Bushing · wornDURING INSPECTION, FOUND TAIL ROTOR SLIDER BUSHING WORN BEYOND ALLOWABLE LIMITS. INSTALLED NEW BUSHING P/N 3G6430L00251, REF. AW139 AMP SECT. 64-31.Dec 5, 2023 · N383MD · Agusta AW139SDR 2023FA0000627Blade · unknownIN RNGARDS TO THE MD 500N HOLICOPTER, LHLS IS THE SECOND LIMO THAT I HAVE THE SAME ISSUE WITH THE NOTAR FAN BLADE ASSEMBLIES HAVING A STRANGO WEAR PALLERN ON THE SPAR PORTION OF THE BLADE ASSEMBLY. THESE FAN BLADES PIN: 500N5310-23 HAVO 3122.4 HRS TSN. NOT ALJun 28, 2023 · N103CG · Hughes 500NSDR 2023FA0000626Blade · unknownTHO 1.1O500N HERICOPLER HAS A 13 BLADED ANTI IOFQUO FAN (NOTAR FAN) INSTEAD DO TRND1TLONAL LAIL ROLET ASSY. THE NOTAR FAN NSSY'S PIN IS 500N5300-7. THO PIN OF LHE INN BLNDOS ORE 500N5310-23. THESE HAVO N SCRVICO LIFO OF 7500.0 HRS. THOSO FON BLNDE ASSOMBLLOS OJun 28, 2023 · N520PD · Hughes 500NSDR QR9R2023062300002Gearbox · making metalDURING INSP A010, MAINTENANCE FOUND IGB MAGNETIC CHIP DETECTOR TO HAVE METALLIC CHIPS IN THE OIL COMPOSED OF CRITICLAL MATERIALS. REMOVED AND REPLACED INTERMEDIATE GEAR BOX IAW AMM 65-32-00, 4-1.Jun 23, 2023 · Bolkms BK117C2SDR 2022FA0000512Cap · crackedTAIL ROTOR HUB CAP HAS A CRACK ORIGINATING AT ONE OF THE HUB CAP CLAMP BOLTS AND TRAVELING OUTBOARD TO THE EDGE OF THE SKIN.Sep 16, 2022 · N435LL · Urocop EC135P2SDR QR9R20220505002Bearing · ratchetingDURING INSTALLATION, MAINTENANCE DETECTED THE SLIDING SLEEVE ANGULAR BALL BEARING TO BE ROUGH AND RATCHETING. PART WAS RECEIVED NEW FROM AIRBUS.May 5, 2022 · Bolkms BK117C2SDR QR9R20220505001Bearing · ratchetingDURING INSTALLATION, MAINTENANCE DETECTED THE SLIDING SLEEVE ANGULAR BALL BEARING TO BE ROUGH AND RATCHETING. PART WAS RECEIVED NEW FROM AIRBUS.May 5, 2022 · Bolkms BK117C2SDR QMLA2021855320041Elastomer · crackedTAIL ROTOR PITCH CONTROL LINKS (P/N LB6-1231-3-2) ARE IN HIGH DEMAND DUE TO A VERY SHORT LIFE SPAN BEFORE THE LAMINATED BEARINGS SHOW CRACKS BEYOND LIMITS OUTLINED IN AMC EO 33-6520-EO-2481P2 AND AD 2021-05-09. THE LIFE SPAN RANGES GREATLY BETWEEN DIFFERENT LAug 9, 2021 · N491LG · Snias AS350B3SDR QR9R20210624001Actuator · leakingEXCESSIVE PLAY DETECTED AT THE TAIL ROTOR HYDRAULIC/YAW SEMA. SUBSEQUENT TROUBLESHOOTING REVEALED T/R ACTUATOR LEAKING AT WEEP HOLE.Jun 24, 2021 · N547AE · Bolkms BK117C2SDR CA180510009Bracket · cracked(CAN) DURING VISUAL INSPECTION, THE BRACKET P/N: 429-035-704-125, WHICH IS THE NUT PLATE HOLDER OF THE ATTACHMENT OF THE LOWER PART OF THE TAIL ROTOR GEARBOX COVER FAIRING, WAS FOUND CRACKED ON THE ENTIRE PORTION OF THE TOP LEG OF THE BRACKET. (TC# 2018051000May 10, 2018 · Bell 429SDR QMLA2017100717103Bearing · damagedAFTER LANDING AND DURING ENGINE SHUT DOWN THERE WAS A PRONOUNCED VIBRATION. AFTER SHUT DOWN THERE WAS ENGINE OIL RUNNING OUT OF THE ENGINE OIL TANK. MAINTENANCE FOUND A CRACK IN THE ENGINE OIL TANK DRAIN VALVE BOSS WELD. UPON FURTHER INVESTIGATION ONE OF THOct 7, 2017 · N712GA · Bell 407SDR QMLA2017100717100Oil Tank · crackedAFTER LANDING AND DURING ENGINE SHUT DOWN, THERE WAS A PRONOUNCED VIBRATION. AFTER SHUT DOWN THERE WAS ENGINE OIL RUNNING OUT OF THE OIL TANK. MAINTENANCE FOUND A CRACK IN THE ENGINE OIL TANK DRAIN VALVE BOSS WELD. UPON FURTHER INVESTIGATION ONE OF THE TAIOct 7, 2017 · N712GA · Bell 407SDR CA160126003Hanger Assy · cracked(CAN) CRACKS WERE FOUND ON EACH BOLT HOLE THAT CONNECTS THE TAIL ROTOR DRIVESHAFT HANGER BEARING AND COUPLING ASSY, PN 212-040-600-009 TO THE TAIL BOOM HANGER FITTING BARREL NUTS.Jan 25, 2016 · Bell 212SDR CA150918001Cap · cracked(CAN) FREEWHEEL O/H CAP REQUIRED FPI IAW O/H CAP SENT TO AMO 45-13 CAP FAILED FPI, CRACK INDICATION.Sep 17, 2015 · Bell 407SDR CA150616001Bearing Support · cracked(CAN) THE FOLLOWING HAS BEEN REPORTED. POST A SEAL CHANGE ON THE ACFT, WHEN ROTATING THE ROTOR, THE ENGINEER HEARD A UNUSUAL SOUND IN THE TAIL BOOM AREA. AFTER INVESTIGATION, HE FOUND THE ABOVE TAIL ROTOR BEARING SUPPORT CRACKED & ALL BALLS ABSENT FROM THE OJun 4, 2015 · Bell 430SDR H44R201505040001Lockwasher · crackedLOCK WASHER FOR THE AFT OIL COOLER BLOWER BEARING CRACKED ALLOWING THE RETENTION NUT TO LOOSE TORQUE, THE LOSS OF TORQUE ALLOWED THE SHAFT TO SPIN WITHIN THE BEARING AND THAT WAS THE SOURCE OF THE VIBRATION.Apr 21, 2015 · Bell 407SDR 9EKA20150313012Spider · brokenLOST RT PEDAL IN FLIGHT. PERFORMED RUN ON LANDING.Mar 13, 2015 · N814EH · Aerosp AS355*SDR CA150225006Shield · leaking(CAN) DURING DAILY INSPECTION, NOTICED THAT THE HANGER BEARING ASSEMBLY GREASE SHIELD WAS LEAKING. UNIT WAS REPLACED WITH SERVICEABLE, GND RUN CARRIED OUT & NO FURTHER FAULTS. ACFT RELEASED.Feb 23, 2015 · Bell 205A1SDR CA141008014Torque Tube · out of tolerance(CAN) ONE BORE OF HIGH TOLERANCE FLIGHT CONTROL LEVER FOUND TO BE OUT OF TOLERANCE AT NEW. MEASURED AT 8.6 MM, SHOULD BE 8.2MM. IF INSTALLED, THE LEVER WOULD MOST CERTAINLY OF FAILED. PN IS 350A27-2178-0601 FORM TRACKING NUMBER 10769896/13 NEW FROM AIRBUS HELOct 8, 2014 · Snias AS350*SDR QMLA2013042213057Disc Pack · crackedAIRWORTHINESS INSPECTION FOUND TAIL ROTOR AFT SHORT SHAFT COUPLING DISC PACK CRACKED.Apr 22, 2013 · N408AM · Bell 407SDR E3MA201210160001Stator · crackedDURING A ROUTINE AIRFRAME INSPECTION, A LONGITUDIONAL CRACK WAS DISCOVERED ON THE TOP SIDE OF A TAIL ROTOR STATOR.Oct 15, 2012 · N527ME · Urocop EC135T2SDR ALGA2012061202Flange · corrodedFLANGE, CORROSION BEYOND LIMITS.Jun 12, 2012 · N9YBOB · Bell 412SDR ALGA2012042603Blower · damagedDURING COURSE OF REPAIR TO OIL COOLER BLOWER ASSY, FOUND AND REPLACED ONE SHAFT (407-040-320-103, SN A-3283), BEARING JOURNAL WORN BEYOND LIMITS. TWO NUTS (90-118-4) DAMAGED BEYOND LIMITS. ONE SHIELD (407-040-328-101) DAMAGED BEYOND LIMITS, ONE BEARING (407-Apr 26, 2012 · N404AL · Bell 407SDR CA120328006Washer · worn(CAN) DURING 100-HR PERIODIC INSPECTION IT WAS NOTICED THAT THE TAIL ROTOR BELLCRANK AT THE END OF THE TAILBOOM WHICH ACTUATES THE PITCH CHANGE MECHANISM HAD A LARGE AMOUNT OF AXIAL PLAY CAUSING THE BELLCRANK TO "FLOAT" WITHIN ITS ATTACHMENT. UPON REMOVAL OF Mar 27, 2012 · Bell 206L1SDR CA110815017Control Tube · damaged(CAN) THIS CONTROL TUBE WAS REMOVED FROM THE AIRCRAFT AND AN INSPECTION WAS BEING CONDUCTED IN ACCORDANCE WITH B 212 MM CHAPTER 67 AND B 212 CR&O CHPATER 67. THE NYLATRON WEAR SLEEVES WERE REMOVED AND A RADIAL CRACK WAS REVEALED UNDER THE END SLEEVE. THE TUBE Aug 8, 2011 · Bell 212SDR 2011FA0000183Tail Rotor · damagedODOR OF BURNING LUBRICANT, EXCESSIVE VIBRATION, FORCED A SUCCESSFUL OFF AIRPORT LANDING. FOUND AFT "H" FRAME BEARING, PN 269A5050-56, SEIZED, OVERHEATED, DRIVESHAFT JAMMED FWD AGAINST BEARING, AFT BEARING SUPPORT BROKEN OFF FRAME, PN 269A5573-13, AND MISSING. Mar 18, 2011 · N958CP · Hughes 269CSDR AC2A0CF02162011Support · crackedON FINAL APPROACH TO HELIPORT, A MODERATE VIBRATION WAS FELT THOUGH THE PEDALS AND AIRFRAME. THE HELICOPTER WAS LANDED AND SHUTDOWN. FOUND EAR BROKEN OFF SUPPORT FOR BALANCE WEIGHTS.Feb 16, 2011 · N430CF · Bell 430SDR CA101105006Swashplate · sheared(CAN) INSPECTION FOUND DRIVE SPLINES SHEARED OFF. HELICOPTER HAS NO HISTORY OF TAIL ROTOR STRIKE. INVESTIGATION INCLUDING ENGINEERING FAILURE ANALYSIS OF PART. OPERATORS FLEET INFORMED AND INSPECTED FOR SIMILAR PROBLEM. WILL FORWARD RESULTS.Nov 2, 2010 · Hughes 369DSDR CA090702013Fitting · crackedDURING A POST FLIGHT INSP, THE TAIL ROTOR DRIVE FITTING WAS FOUND CRACKED. TIME ON THE FITTING IS UNKNOWN. CRACK WAS FOUND RADIATING FROM THE BORE OF THE BARREL NUT ATTACHMENT. UNSURE IT THIS MAYBE THE CAUSE OF OVER TORQUING OF THE BOLT. NUT WAS REPLACED WJul 1, 2009 · Bell 205A1SDR CA090716009Flex Coupling · crackedPERFORMING A 30 HR INSP, A VISUAL INSP OF THE FWD TRANSMISSION DRIVE COUPLING, A CRACKED FLEX COUPLING WAS FOUND.Jun 10, 2009 · Snias AS350B2SDR CA081125005Washer · cracked(CAN) THE VERTICAL FIN WAS REMOVED TO FACILITATE SEAL REPLACEMENT OF THE PITCH CHANGE MECHANISM. THE RADIUS WASHERS THAT ARE USED ON THE VERTICAL FIN ATTACHMENT WERE INSPECTED, AND IT WAS NOTED THAT 3 OF THE 4 WASHERS HAD CRACKS ON THE OUTSIDE PERIMETER OF THENov 24, 2008 · Bell 206BSDR 2008FA0000890Bearing · crackedMAIN TRANSMISSION WAS DELIVERED FOR O/H. THERE WAS NO NOTICE ABOUT AN INCIDENT OR A CHIP WARNING. CHIP DETECTOR AND OIL FILTER WERE CLEAN. AT THE BEGINNING OF THE DISASSEMBLY, THE MECHANIC NOTED THAT THE TAILROTOR DRIVE DID NOT MOVE WHEN THE INPUT FLANGE WASNov 19, 2008 · N315LS · Bolkms BO105LSA3SDR 2008FA0000068Shaft · crackedONE PIECE TRANSVERSE CRACK AROUND THE AREA OF PART THAT HAD LONGITUDINAL INDICATIONS (ORIGIN UNKNOWN BUT POSSIBLY RELATED TO STRESS, FATIGUE OR WEAR), OTHER 4 PIECES ONLY WITH THE SAME LONGITUDINAL INDICATIONS.Jan 30, 2008SDR 2007FA0000113V-Belt · brokenV BELT PREMATURELY FAILED. THIS IS A 250 HOUR CHANGE OUT PART.Feb 5, 2007 · N113JD · Amtr EXEC162FSDR AC2A113672Coupling · crackedCOUPLING WAS FOUND CRACKED ON 110 HR, AIRFRAME INSPECTION.Jan 20, 2007 · N5447C · Skrsky S76ASDR AC2A112006Coupling · wornGROOVE WORN IN SHANK, REPLACED COUPLING.Oct 31, 2006 · N139CW · Agusta AB139SDR AC2A110338Flex Coupling · crackedDISCOVERED CRACKED COUPLING DURING 50 HOUR INSPECTION. INSTALLED NEW COUPLING.Jul 19, 2006 · N5447C · Skrsky S76ASDR KBM2006F00159Ball End · wornBALL END WORN, REMOVED AND REPLACED. (K)Apr 11, 2006 · N884SH · Snias AS350B2SDR 2003FA0001118Bearing · failedDURING ROUTINE DAILY INSPECTION OF HELICOPTER USED IN EMS, MECHANIC NOTICED NR 5 TAIL ROTOR BEARING GREASE SEAL HAD SEPARATED FROM BEARING. FRAGMENTS OF THE PHENOLIC BEARING CAGE WERE MISSING FROM BEARING ASSY. MECHANIC REPORTED NO EVIDENCE OF RESIDUAL GREASOct 17, 2003 · N25RX · Agusta A109SDR BAQA086455Actuator · malfunctionedCAUSING SEVERE KICKING EVEN WITH YAW-CSAS DISENGAGED. SEALS LEAKING. REPLACED WITH SERVICEABLE UNIT.May 19, 2003 · N1174U · Bolkms BK117B2SDR AC2A084144Restraint · debondedSHEAR RESTRAINT IS DISBONDED. PIN IS SEPARATED FROM RUBBER. REPLACED SHEAR RESTRAINT.Feb 7, 2003 · N430CH · Bell 430SDR CA031210009Housing · cracked(CAN) AT REMOVAL OF TRANSMISSION FROM AIRFRAME A SUSPECTED CRACK IN THE T/R O/P COVER AT THE OIL PRESSURE SENDING UNIT WAS NOTED. THIS AREA WAS PAINT STRIPPED AND THE AREA WAS NOT ONLY CRACKED IT HAD ALSO BEEN STOP DRILLED, FILLED WITH EPOXY AND PAINTED. THIS Jan 29, 2003 · Hughes 369DSDR HEEA080447Bearing · wornTAIL ROTOR LAMINATED HINGE BEARING WORN.Jul 9, 2002 · N970AE · Snias AS350BSDR 2002FA0000628Belt · brokenCENTER TAIL ROTOR BELT FAILED RESULTING IN NO TAIL ROTOR CONTROL. BELT LIKELY FAILED DUE TO IMPROPER BELT ROUTING THROUGH TAILBOOM FROM ONE IDLER PULLEY TO NEXT IDLER PULLEY.Apr 8, 2002 · N21901 · Amtr ROTORWAYEXECSDR CA011130006Bearing · failed(CAN) WHILE ON 5TH SCENIC TOUR OF DAY, AT 2,500 FT ASL IN QUIET MODE CRUISE, A/C SOUND & VIBRATION LEVEL SUDDENLY CHANGED FROM NORMAL TO LOUD WITH HEAVY VIBRATION FROM TAIL ROTOR DRIVE AREA. PILOT IMMEDIATELY RETURNED A/C TO NORMAL MODE CRUISE RPM & EXITED SCNov 24, 2001 · Bell 407SDR HEEA076358Disc Pack · crackedCRACKED. TO BE RETURNED TO BELL HELICOPTER TEXTRON FOR CREDIT AGAINST REPLACEMENT PART PURCHASED.Oct 3, 2001 · N407PH · Bell 407SDR HEEA076357Disc Pack · crackedFWD COUPLING DISC ON NR 4 T/R SEGMENTED DRIVE SHAFT CRACKED.Oct 3, 2001 · N405PH · Bell 407
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