JASC 6420

Service difficulty reports · 907

Reports filed under 6420 · Tail 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 = '6420'
  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 HEEA064403Hub · damagedONE OF THE TAIL ROTOR BLADES IS SEPARATED ON THE TRAILING EDGE.Sep 20, 1999 · N437PH · Bell 407SDR 99ZZZX4535Laminates · separatingNEW DEFECTIVE - ONE STRAP HAD SEPARATIONS - RMA R021892. REMOVED AND REPLACED.Sep 9, 1999SDR HEEA064300Bearing · wornWORN BEARINGS. REFERENCE: DMR NR 686421.Sep 7, 1999 · N141MA · Bell 407SDR HEEA064299Bearing · wornWORN BEARINGS. REFERENCE: DMR NR 686206.Sep 7, 1999 · N407MM · Bell 407SDR HEEA064298Bearing · wornWORN BEARINGS. REFERENCE: DMR NR 686224.Sep 7, 1999 · N407PH · Bell 407SDR HEEA064297Bearing · wornWORN BEARINGS. REFERENCE: DMR NR 686384.Sep 7, 1999 · N447PH · Bell 407SDR CA991027052Bearing · failed(CAN) SUSPECT FAILURE OF ELASTOMETRIC FORK/HINGE BEARING AS T/R WAS DIFFICULT TO BALANCE.Sep 6, 1999 · Hughes 369DSDR HEEA063382Bearing · wornTAIL ROTOR BEARINGS WORN, TWO EACH RACES AND BEARINGS BRINELLED.Aug 13, 1999 · N911AR · Bell 412SDR HEEA063269Yoke · bentFLAPPING STOP EAR BENT. SCRAPPED YOKE AND REPLACED WITH SERVICEABLE PART.Aug 10, 1999 · N3897N · Bell 214STSDR CA990817020Hub · cracked(CAN) T/R HUB WAS REMOVED AND DISASSEMBLED IN ORDER TO COMPLY WITH SB. DURING OVERHAUL, AN NDT INSPECTION REVEALED A CRACK IN THE RADIUS OF THE MOUNTING FLANGE (INBD SIDE). IT IS THOUGHT THAT A FAULTY CASTING MAY HAVE CAUSED THE CRACK.Aug 9, 1999 · Skrsky S58ETSDR CA991027047Spider · failed(CAN) T/R SPIDER ASSY BEARING FAILED THE ROTATIONAL DRAG TORQUE TEST (SB 05.00.29). THE BEARING WAS ALSO ROUGH WHEN ROTATED.Jul 17, 1999 · Snias AS350BSDR HEEA062866Blade · damagedF.O.D. HOLE IN LEADING EDGE OF BLADE.Jul 12, 1999 · N33008 · Bell 412SDR HEEA062806Bearing · damagedMECHANICAL DAMAGE AROUND BEARING MORE THAN .010 INCH AND IN TWO PLACES. REPLACED T/R P/C LINKS WITH SERVICEABLE PARTS.Jul 12, 1999 · N31073 · Bell 206L3SDR 99ZZZX3807Bolt · wornBOLT WORN BEYOND SERVICEABLE LIMITS.Jul 9, 1999 · N158BK · Bolkms BK117A3SDR HEEA062495Trunnion · wornSPLINES WORN BEYOND LIMITS.May 26, 1999 · N405PH · Bell 407SDR HEEA062494Trunnion · wornTRUNNION BEARINGS WORN BEYOND LIMITS.May 26, 1999 · N612PH · Bell 407SDR HEEA062480Bearing · wornBEARING WORN BEYOND LIMITS.May 26, 1999 · N612PH · Bell 407SDR HEEA062479Bearing · pittedSPLINES PITTED.May 26, 1999 · N612PH · Bell 407SDR HEEA062478Bearing · wornBEARINGS WORN BEYOND LIMITS.May 26, 1999 · N405PH · Bell 407SDR HEEA062418Bearing · wornTAIL ROTOR HAS WORN BEARINGS.May 19, 1999 · N408PH · Bell 407SDR 99ZZZX2876Bearing · wornTAIL ROTOR BEARINGS WORN. REF: RMA NR R020377. REMOVED AND REPLACED.May 17, 1999 · N117NC · Bolkms BK117C1SDR HEEA062157Hub · wornTAIL ROTOR HAS PLAY IN BEARINGS.May 5, 1999 · N40466 · Snias AS350B2SDR 99ZZZX1680Spider · failedAIRCRAFT EXPERIENCED LOSS OF TAIL ROTOR CONTROL DURING FLIGHT. PILOT REPORTED HE COULD ONLY SLIGHTLY MOVE TAIL ROTOR PEDALS. PILOT EXECUTED A SUCCESSFUL RUN-ON LANDING ON A HARD SURFACE RUNWAY WITHOUT CAUSING ANY DAMAGE TO ACFT. EXAMINATION OF THE ACFT REVEApr 6, 1999 · N6095S · Snias AS350B2SDR HEEA061784Bearing · wornHUB BEARINGS WORN. CAUSED TAIL ROTOR TO BE OUT OF BALANCE. REPLACED WITH SERVICEABLE TAIL ROTOR ASSY.Apr 5, 1999 · N40466 · Snias AS350B2SDR 99ZZZX1709Pitch Link · wornPITCH LINK BEARING WORN. REMOVED AND REPLACED.Apr 5, 1999 · N369AW · Hughes 369DSDR 99ZZZX1707Pitch Link · wornPITCH LINK BEARING WORN. REMOVED AND REPLACED.Apr 5, 1999 · N500DC · Hughes 369DSDR 99ZZZX1702Pitch · wornROD END BEARING WORN. REMOVED AND REPLACED.Apr 5, 1999 · N5027P · Hughes 369DSDR HEEA061572Blade · peelingTAIL ROTOR ASSEMBLY HAS WORN FEATHERING BEARINGS AND PAINT PEELING FROM BLADES.Apr 2, 1999 · N27702 · Bell 206L1SDR 99ZZZX3222Bearing · roughTAIL ROTOR FEATHERING BEARINGS CRACKED ON BOTH TAIL ROTOR BLADES AND TAIL ROTOR TRUNNION BEARINGS ROUGH. RE: CHEVRON S/O NR 526657PNAV.Mar 24, 1999 · N430CH · Bell 430SDR 99ZZZX3360Bearing · wornBEARINGS WORN. REF: RMA NR R019259 MCN NR 12. REMOVED AND REPLACED.Mar 16, 1999 · N317MC · Bolkms BK117C1SDR HEEA060971Bearing · wornTAIL ROTOR BLADE AND HUB HAVE WORN BEARINGS.Mar 5, 1999 · N407MM · Bell 407SDR HEEA060970Bearing · wornTAIL ROTOR HUB AND BLADE HAVE WORN BEARINGS.Mar 5, 1999 · N510PH · Bell 407SDR HEEA060969Bearing · wornTAIL ROTOR HUB AND BLADE HAVE WORN BEARINGS.Mar 5, 1999 · N57416 · Bell 407SDR HEEA060980Spider · wornTAIL ROTOR HAS WORN BEARINGS.Mar 3, 1999 · N40466 · Snias AS350B2SDR CA991007028Bushings · debonded(CAN) ROUTINE INSPECTION REVEALED THAT BUSHINGS DEBONDED FROM THE TAIL ROTOR PITCH CHANGE LEVER WHICH CAUSED EXCESSIVE PLAY BETWEEN THE T/R GEARBOX CASTING AND THE PITCH CONTROL LEVER. SERVICEABLE PITCH CONTROL LEVER INSTALLED.Feb 11, 1999 · Snias AS350BSDR HEEA060553Bearing · wornWORN BEARINGS.Feb 10, 1999 · N719PH · Bell 407SDR HEEA060504Bearing · wornTAIL ROTOR HUB ASSEMBLY HAS WORN BEARINGS.Feb 9, 1999 · N417PH · Bell 407SDR HEEA060484Hub · failedHUB FROZEN TO T/R GEARBOX SHAFT; USED 5 TONS OF HYDRAULIC PRESSURE TO FREE.Feb 9, 1999 · N406PH · Bell 407SDR 99ZZZX896Bearing · wornTAIL ROTOR ASSEMBLY WAS REMOVED FOR WORN BEARINGS. FOUND THE TWO INBOARD BEARINGS BADLY WORN. THE OUTER RACE LINERS DEBONDED. THREE T/R HUBS HAVE BEEN FOUND IN THIS CONDITION. BEARING KEPT FOR POSSIBLE EVALUATION. RECOMMEND: REMOVE T/R BLADES AND INSPECT Jan 26, 1999 · N427AL · Bell 407SDR HEEA060200Trunnion · failedT/R TRUNNION CAP BOLTS FAILED THREAD ENGAGEMENT CHECK.Jan 22, 1999 · N10761 · Bell 206L1SDR HEEA060198Hub · pittedSEPARATION AT TIP OF BLADE, S/N CS7168, PITTING ON TRUNNION SPLINES, THRUST PLUGS WORN EXCESSIVELY, HOUSING BOLTS DID NOT OBTAIN 0.25 INCH OF THREAD ENGAGEMENT.Jan 22, 1999 · Bell 206L1SDR HEEA060197Hub · unbalancedUNABLE TO BALANCE TAIL ROTOR ASSEMBLY. PITTING ON TRUNNION SPLINES. THRUST PLUGS WORN EXCESSIVELY. HOUSING BOLTS DID NOT OBTAIN .025 INCH OF THREAD ENGAGEMENT.Jan 22, 1999 · N2770Y · Bell 206L1SDR 99ZZZX3869Bolt · wornBOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 21, 1999 · N117MV · Bolkms BK117A3SDR HEEA059932Bearing · wornTAIL ROTOR HAS WORN FEATHERING BEARINGS.Dec 29, 1998 · N447PH · Bell 407SDR HEEA059931Bearing · roughTAIL ROTOR BEARINGS ROUGH. SERIAL NUMBERS REMOVED ARE A98-0445 AND A98-0506.Dec 29, 1998 · N8595X · Bell 407SDR 99ZZZX243Swashplate · ratchetingRATCHETING BEARING. ROUGH AFTER DRESSING. REPLACED.Dec 22, 1998 · N1097J · Hughes 369DSDR HEEA0016869Hub · damagedT/R HUB ASSEMBLY UNABLE TO KEEP BALANCED.Dec 4, 1998 · N8595X · Bell 407SDR HEEA0016649Grip Bearing · wornTAIL ROTOR ASSEMBLY'S GRIP BEARING WORN.Nov 5, 1998 · N3520T · Bolkms BO105SSDR 99ZZZX892Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Nov 5, 1998 · N424MB · Bolkms BK117A3SDR 99ZZZX347Bearing · roughPILOT REPORTED TAIL ROTOR PEDALS ARE STIFF AND NOTCHY. MECHANIC REPORTED NOTCHED BEARINGS WHEN P/C LINK DISCONNECTED AND T/R BLADES ARE ROTATED. REPLACED 3 EACH. BEARING S/N'S A33795, A33783, AND A33812.Nov 5, 1998 · N220SH · Aerosp SA315B
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