JASC 6400

Service difficulty reports · 95

Reports filed under 6400 · Tail Rotor 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 = '6400'
  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 M3XA2025061109002Unknown · vibrationPILOT PERFORMED A PRECAUTIONARY LANDING IN VACANT FIELD IN CARTHAGE, MS FOR IN STRAIGHT AND LEVEL FLIGHT AT 2500 MSL AT 120 KIAS, THERE WAS A HIGH FREQUENCY VIBRATION IN THE ANTI-TORQUE PEDALS. THE VIBRATION REMAINED THROUGH DESCENT TO LANDING.Jun 9, 2025 · N836CS · Urocop EC135P2SDR HDNA2024062802Arm · crackedPLAY WAS NOTICED IN TAIL ROTOR SYSTEM DURING A PREFLIGHT INSPECTION. INSPECTION OF SYSTEM FOUND A CRACK IN THE ARM OF THE ACTUATOR AND THE CARDIN JOINT BOLT WORN. AN AD AND ASB HAVE BEEN PREVIOUS COMPLIED WITH NO REOCCURRING INSPECTIONS REQUIRED DUE TO THE FINJun 23, 2024 · N145NC · Bolkms BK117C2SDR QMLA2024040920036Blade · failedTWO EC135T2+ TAIL ROTOR BLADES HAVE CRACKED AND/OR SHOWN PITTING VISIBLE TO THE NAKED EYE IN THE BLADE ROOT WITHIN THE LAST 48 HOURS. (DAMAGE IS IN ZONE H ON OUTBOARD SIDE REQUIRING AIRBUS DISPOSITION PER AMM 64-22-00, 6-4) BLADE P/N L642A2002111 S/N'S M31134 Apr 9, 2024 · N955AL · Urocop EC135T2SDR 2023FA0000790Unknown · unknownDURING CRUISE FLIGHT, THE T/R CHIP LIGHT ILLUMINATED. THIS AIRCRAFT HAS NO FUZZ BURNER FOR THE TAIL ROTOR GEARBOXES. NOR IS THERE DIFFERENTIATION BETWEEN THE IGB AND THE TGB. THERE WERE NO OTHER INDICATIONS SUCH AS VIBRATION, OR LOSS OF CONTROLLABILITY. I DIVENov 19, 2023 · N145SU · Bolkms BK117C2SDR QMLA2023091320071Solenoid · unserviceablePEDAL STOP LIGHT ILLUMINATED IN FLIGHT, ONCE CONFIGURED THE MANUAL RELEASE WAS ENGAGED AND LANDED WITHOUT ANY FURTHER INCIDENT.Sep 13, 2023 · N458AM · Bell 407SDR QR9R2023031700001Unknown · failed inspPART RECEIVED NEW FROM SUPPLY. T/R LAMINATED PILE ASSY FAILED FEELER GAUGE CHECK. MEASURED GAP OVER .008".Mar 17, 2023 · Bolkms BK117C2SDR 2NVA202210310003Spar · crackedPILOT REPORTED NOISE FROM TAIL ROTOR DURING ROUTINE PREFLIGHT CHECK. REMOVAL AND INSPECTION OF TAIL ROTOR ASSEMBLY REVEALED A SPLINTERED SPAR OUTSIDE OF ALLOWABLE CRITERIA. COMPONENT HAD REACHED 94% OF ITS LIFE LIMIT. REPLACED WITH NEW PART.Oct 25, 2022 · N746RH · Snias AS350B2SDR QR9R20220809002Tail Rotor · out of limitsAN INSPECTION OF THE LAMINATED STRAP ASSEMBLY REVEALED .007"+ CLEARANCE IN BETWEEN INDIVIDUAL LAMINATES WHICH EXCEEDS THE LIMITS OF .007" MAX ALLOWED.Aug 9, 2022 · Bolkms BK117C2SDR QMLA2022033120022Chip Detector · usedTHIS WAS A HOSPITAL TRANSFER FROM CRESTON, IA TO DES MOINES, IA. ON THE FIRST LEG BETWEEN KOXV AND CRESTON APPROXIMATELY HALF WAY (15MIN FLIGHT TIME) THE T/R CD INOP CAUTION LIGHT CAME ON AND WENT OFF AGAIN AFTER A FEW SECONDS. AROUND 5MIN LATER IT CAME ON AGAMar 31, 2022 · N911KX · Bell 429SDR QMLA2018121218132Actuator · unserviceableUNCOMMANDED YAW INPUTS DURING FLIGHT.Dec 12, 2018 · N7UC · Agusta A109ESDR 8HBR20180611015Bearing · wornPITCH CONTROL BEARING WORN AT HALF LIFE OF LIFE-LIMIT.May 3, 2018 · N7155W · Robsin R22SDR QMLA2017092517096Tail Rotor · crackedDURING THE TAIL ROTOR 600HR/24 MONTH AIRFRAME INSPECTION (A 1660) FOUND 2EA "SPLITS" ON SLOPE. NOTE: ONLY 1 DAMAGE AREA PER SLOPE SHALL BE PERMITTED PER AMM. INSPECTION WAS CARRIED IAW AMM 64-10-00, 6-3. THIS AIRCRAFT REMAINS OUT OF SERVICE AT THE TIME OF THISSep 25, 2017 · N41299 · Snias AS350B2SDR AC2R2016070601Lock Nut · defectiveTHIS REPORT IS FOR A LOCKNUT WITH A LOOSE LINER. 6 TO 8 OF THE NUTS IN THIS BATCH HAD LINERS THAT BECAME LOOSE WHEN TORQUE WAS APPLIED. THESE NUTS ARE USED ON TAIL ROTOR DAMPER BRACKET ATTACHMENT. WE HAVE REMOVED THIS BATCH, LOT NR J000020289-0000 OF NUTS FJul 5, 2016 · N139CN · Agusta AW139SDR QMLA2013071613100Pivot · corrodedTHE PILOT REPORTED THAT ON FINAL APPROACH, THE LT TAIL ROTOR PEDAL BECAME STUCK, AND THE ACFT BEGAN FLYING TO THE RIGHT. DECIDED TO ABORT APPROACH, COULD NOT GAIN CONTROL TO LAND AT DESTINATION. DECLARED AN EMERGENCY, AND AFTER 20 SECONDS, PEDAL MOVEMENT RJul 16, 2013 · N433CM · Urocop EC135P2SDR CA130508014Screw · missing(CAN) FOD DAMAGE TO NOTAR FAN. STATOR BLADE RETAINER SCREW FOUND MISSING.May 3, 2013 · Doug MD900SDR CA121010010Pin · failed(CAN) WHILE DOING PREFLIGHT CHECKS FOR A TRAINING FLIGHT WITH DUAL PILOTS AND DUAL CONTROLS INSTALLED, TRAINING PILOT WAS IN THE LT SEAT DURING START-UP. ONCE AT IDLE, THE PILOT IN THE LT SEAT ADJUSTED HIS SITTING POSITION, PUSHING HIMSELF BACKWARDS WHILE APPLOct 10, 2012 · Bell 206BSDR ALGA2012061201Rotor · damagedONE TRUNNION, PN 407-312-100-101, SN LKFS3425, HAS ELASTOMERIC EXTRUSION, FOUR WORN BEARINGS, PN 406-312-100-101 AND TWO PITCH HORNS PN 406-012-108-107, PITTING. CORROSION BEYOND LIMITS.Jun 12, 2012 · N687AL · Bell 407SDR 2009FA0000920Gearbox · leakingPILOT NOTE THE TAIL ROTOR GEARBOX WAS LEAKING. GEARBOX WAS CLEANED WITH SOLVENT AND AIR DRIED AND THEN GROUND RAN FOR 2-3 MIN. LEAKAGE AND CRACK WERE NOTED IN AREA DEPICTED IN DIAGRAM BELOW. LOGBOOK RESEARCH NOTED NO EVIDENCE OF DAMAGE HISTORY OR TAIL ROTORSep 29, 2009 · N656RB · Hughes 269CSDR QMLA052309018Chip Detector · illuminatedIN CRUISE FLIGHT, TO PICK UP A PATIENT AT 2500MSL, ACFT EXPERIENCED A T/R CHIP LIGHT. THE ACFT COMPLETED THE EMERGENCY PROCEDURE FOR SAME, DIVERTED TO AN AIRPORT ABOUT 3 MILES AWAY, CALLING THE COMM CENTER AND ADVISED OF THE SITUATION. NORMAL SHUTDOWN COMPLETEMay 23, 2009 · N117NC · Bolkms BK117C1SDR CA090325007Bearing · corroded(CAN) NEW BEARING RECIEVED, FOUND TO BE CORRODED AS REMOVED FROM UNOPENED ORIGINAL PACKAGING.Mar 24, 2009 · Skrsky S61NSDR 2008FA0000337Rod · chafedDURING AN INSPECTION THE THE TAIL ROTOR PITCH CONTROL TUBE SLEEVES, WE DISCOVERED THAT BELLCRANK PN 206-001-763-001 HAD BEEN CHAFED INTO BY THE RIVET SECURING THE ROD END OF ROD ASSEMBLY PN 206-011-725-001. THIS WEAR OCCURS WHEN LEVER ASSEMBLY PN 206-011-722-1Jul 1, 2008 · N83WP · Bell 206L3SDR CA080403004Trunnion · mismanufactured(CAN) MFG WAS ADVISED THAT 14 PCS. OF 212-076-004-101 SERVO ACTUATOR, TAIL ROTOR HAD A MISMANUFACTURED DETAIL. ONE OF THE SUSPECT UNITS WAS DELIVERED TO A CUSTOMER ON THE ACFT NOTED ABOVE. OTHER SUSPECT UNITS WERE ALSO DELIVERED TO CUSTOMERS. THE 14 SUSPECT Mar 31, 2008 · Bell 412EPSDR CA071115005Tail Rotor · out of balance(CAN) UNABLE TO BALANCE T/R WITH OUT LARGE AMOUNTS OF BALANCE WEIGHT. T/R WOULD GO OUT OF BALANCE EVERY 3 TO 4 DAYS. SENDING T/R TO MFG FOR EVALUATION. (TC NR 20071115005)Nov 15, 2007 · Snias AS350B2SDR 2006FA0000116Bellcrank · elongatedDURING 500 HOUR INSPECTION AND REMOVAL OF T/R SERVO OVERCENTERING MECHANISM, IT WAS DISCOVERED THAT THE MAIN SUPPORT BOLT AND THE BELLCRANK PIVOT BOLT WERE VERY DIFFICULT TO REMOVE. THE BELLCRANK PIVOT BOLT WAS OBVIOUSLY HAMMERED IN BY EVIDENCE OF THE RAISENov 11, 2005 · Snias AS350B2SDR ALGA104923Pitch Horn · corrodedEXCESSIVE PITTING FROM CORROSION BEYOND LIMITS / INSTALLED 2EA NEW PITCH HORNS BY OVERHAUL SHOP.Jul 22, 2005 · N557AL · Bell 407SDR ALGA098887Bearing · bentBENT EXCESSIVLY, UNABLE TO SHIM NEW BEARINGS / REPLACED BLADEDec 8, 2004 · N1067D · Bell 206L1SDR CA041213005Bushing · cracked(CAN) DURING ROUTINE HYDS OFF TRAINING, TAIL ROTOR INPUTS MADE THROUGH TAIL ROTOR PEDALS WERE NOT BEING TRANSFERRED TO TAIL ROTOR. PILOTS RESELECTED HYDS ON & TAIL ROTOR RESPONDED NORMALLY TO TAIL ROTOR INPUTS. AIRCRAFT RETURNED TO HANGAR FOR INSPECTION. WHEN Dec 4, 2004 · Snias AS350B2SDR TXER097946Fairing · crackedTAIL ROTOR FAIRING CRACKED.Oct 17, 2004 · N155EW · Urocop EC155BSDR KBM2004F00243Bearing · wornHALF SHELLS, WORN BEYOND LIMITS, REMOVED AND REPLACED.Oct 15, 2004 · N313LV · Snias AS350B2SDR TXER100925Tail Rotor · wornTAIL ROTOR, OUT OF LIMITS PER 64-21-00,6-9 ZONE D.Aug 30, 2004 · N588SC · Urocop EC120BSDR HEEA087161Bearing · wornWORN BEARINGS. SCRAPPED.Jun 9, 2003 · N3116L · Bell 206L3SDR CA030708009Control Arm · chafed(CAN) CONTROL TUBE AT PRIOR MAINTENANCE EVENT WAS INSTALLED BACKWARDS (180 DEGREES OUT). TUBE HAD NYLATRON SLEEVES BUT REVERSED POSITION CAUSED WEAR AT AFT FAIRLEAD. TUBE WORN 0.013. TUBE WALL THICKNESS IS 0.035. PART REPLACED.May 1, 2003 · Bell 212SDR AC2A084868Bearing · roughTAIL ROTOR BEARING IS ROUGH. REPALCED BEARING.Feb 24, 2003 · N430CT · Bell 430SDR AC2A084863Lock Plate · damagedLOCK PLATE HAD TO BE REPLACED WHEN TAILROTOR WAS REMOVED FOR PROBLEM OF A WORN, RUSTED TRUNNION, AND CRACKED SPLINE ON TAIL GEARBOX OUTPUT SHAFT. REPLACED LOCKPLATE ASSEMBLY.Feb 24, 2003 · N430CT · Bell 430SDR HEEA079987Housing · leakingTAIL ROTOR CONTROL HOUSING LEAKING.Jun 10, 2002 · N510PH · Bell 407SDR HEEA078367Mount · damagedRUBBED IS UNBONDED FROM SHOCK MOUNT.Mar 22, 2002 · N457PH · Bell 407SDR HEEA077682Bearing · separatedTAIL ROTOR BEARING SEPARATION.Jan 11, 2002 · N973AE · Snias AS350BSDR HEEA077272Bearing · failedOIL COOLER SHAFT BEARING FAILED.Nov 21, 2001 · N499PH · Bell 407SDR LS1R076728Bellcrank · wornTAIL ROTOR BELLCRANK EARS WORN AND SPRUNG.Oct 22, 2001 · N5027P · Hughes 369DSDR HEEA076586Bearing · wornBEARINGS WORN AND RUSTED. REPLACED WITH SERVICEABLE PART.Oct 11, 2001 · N3108E · Bell 206L3SDR LS1R074920Link · wornPART IS WORN EXCESSIVELY.Jul 20, 2001 · N5027P · Hughes 369DSDR LS1R074919Link · wornPART IS WORN EXCESSIVELY.Jul 20, 2001 · N5027P · Hughes 369DSDR HEEA073576Rod · wornWORN BEARING. REPLACED WITH SERVICEABLE ASSY.Jun 18, 2001 · N6160Y · Bell 206L3SDR HEEA073575Rod · roughROUGH BEARING. REPLACED WITH SERVICEABLE ASSY.Jun 18, 2001 · N45RP · Bell 206L1SDR HEEA073574Rod · bindingBINDING. REPLACED WITH SERVICEABLE ASSY.Jun 18, 2001 · N21497 · Bell 206L3SDR HEED065731Bellcrank Assy · wornBELLCRANK ASSY HAS WORN BEARING. REPLACED UNIT.Dec 15, 1999 · N236X · Bell 230SDR HEED065725Link Assy · wornLINK ASSY HAS WORN BEARINGS.Dec 14, 1999 · N236X · Bell 230SDR AC2A0000008Bushing · frozenLOWER AFT MOUNT FOR TAIL ROTOR GUARD LOOSE (BUSHING FROZEN ON BOLT CAUSING WEAR AD PLAY). (X)Sep 5, 1999 · N430CH · Bell 430SDR 2000ZZZX799Bolt · wornBOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Sep 4, 1999 · N117MV · Bolkms BK117A3SDR 2000ZZZX797Bolt · wornBOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Aug 30, 1999 · N417BK · Bolkms BK117B1
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