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 HCMA075311Rod · wornPART IS WORN BEYOND LIMITS.PLEASE REPLACE BEARINGS UNDER WARRANTY.Sep 20, 2000 · N972BH · Snias AS350B2SDR HCMA075310Rod · wornPART IS WORN BEYOND LIMITS.PLEASE REPLACE BEARINGS UNDER WARRANTY.Sep 20, 2000 · N972BH · Snias AS350B2SDR HCMA075309Rod · wornPART IS WORN BEYOND LIMITS. PLEASE OVERHAUL PC LINKS. TOTAL TIME UNKNOWN.Sep 20, 2000 · N642BH · Snias AS350BASDR HCMA075308Rod · wornPART IS WORN BEYOND LIMITS. PLEASE OVERHAUL PC LINKS.Sep 20, 2000 · N532BH · Snias AS350BASDR 20001215SH018Control Rod · wornPITCH CONTROL ROD WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Aug 10, 2000 · N52285 · Snias AS350B3SDR HCMA075303Bearing · defectivePART IS DEFECTIVE. FAILED "J" GAP.Aug 9, 2000 · N997BH · Snias AS350B2SDR HCMA075297Bearing · wornBEARING IS WORN BEYOND LIMITS.Aug 8, 2000 · N862BH · Snias AS350BASDR CA010921004Bolt · broken(CAN) - TAILROTOR GEARBOX RETENTION HARDWARE, BOLT HEAD FOUND MISSING DURING SCHEDULED MAINTENANCE. - 3 REMAINING BOLTS WERE INSPECTED WITH NO FAILURES FOUND. ALL THE TAILROTOR GEARBOX RETENTION HARDWARE WAS REPLACED WITH NEW. A 300 HOUR RETIREMENT SCHEDULE Jul 26, 2000 · Hughes 369FFSDR CA000801009Bearing · failed(CAN) T/R BECAME UNBALANCED. INSPECTED HUB AND FOUND BEARING TEFLON LINER CAME OFF FROM OUTER RACE.Jul 19, 2000 · Bell 205A1SDR 20000804SH013Pitch Horn · corrodedDURING FIRST 2,500 HOUR OVERHAUL, FOUND CORROSION BEYOND LIMITS UNDER PLATE, POSSIBLY CAUSED BY INCOMPATIBLE ADHESTIVE PRIMER. (X)Jul 19, 2000 · N427AL · Bell 407SDR 20001219SH019Arm · crackedARM ASSEMBLY HAD CRACK INDICATION ON OUTBOARD MOUNTING LUG EXTENDING FROM .256 INCH/.252 INCH DIAMETER THROUGH-HOLE TO .34 INCH RADIUS. CIRCUMSTANCES UNDER WHICH CRACKING OCCURRED ARE UNKNOWN. POSSIBLE CAUSE IS FROM FRETTING MOVEMENT BETWEEN SLEEVE MOUNTING Jun 29, 2000 · N164AC · Skrsky S64ESDR 20001218SH006Arm · crackedARM ASSEMBLY HAD CRACK INDICATION ON OUTBOARD MOUNTING LUG EXTENDING FROM .256 INCH/.252 INCH DIAMETER THROUGH HOLE TO .34 INCH RADIUS. CIRCUMSTANCES UNDER WHICH CRACKING OCCURRED ARE UNKNOWN. POSSIBLE CAUSE IS FROM FRETTING MOVEMENT BETWEEN SLEEVE MOUNTING Jun 29, 2000 · N164AC · Skrsky S64ESDR CA000706029Bearing · failed(CAN) THE ENGINEER WAS INSPECTING THE T/R SWASHPLATE ASSEMBLY AS PER AD 2000-222-076(A) AND FOUND THE PAINTED INDENT MARKS WERE NOT ALIGNED. THE T/R SWASHPLATE ASSEMBLY WAS REMOVED AND SENT TO OUR COMPONENT SHOP. UPON DISASSEMBLE IT WAS FOUND THAT THE BEARING Jun 22, 2000 · Snias AS350B1SDR CA000706026Housing · sheared(CAN) DURING HUB REMOVAL TO C/W SB 65.00.38 (T/R SPYDER BEARING KIT INSTALLATION) THE KEY THAT ALIGNS HUB TO T/R SHAFT WAS FOUND SHEARED & THE HUB HAD SPUN APPROX. 110 DEGREES. THE T/R LONG DRIVE SHAFT P/N 350A34-0110-07 WAS FOUND TO HAVE AN APPROX 60 DEGREES Jun 18, 2000 · Aerosp AS355F1SDR 20000801SH031Spider · wornLOSS OF BEARING TORQUE CAUSED DAMAGE TO THE ROTATING SPIDER. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 15, 2000 · N911LR · Snias AS350B2SDR 20000801SH048Bar · wornLAMINATED TORSION BAR WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 9, 2000 · N135SJ · Urocop EC135P1SDR 20000801SH047Bar · wornLAMINATED TORSION BAR WORN BEYOND LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 9, 2000 · N135SJ · Urocop EC135P1SDR 20000801SH046Bar · wornLAMINATED TORSION BAR WORN BEYOND LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 9, 2000 · N135SJ · Urocop EC135P1SDR 20000801SH045Spider · wornPITCH CHANGE SPIDER ASSY WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jun 9, 2000 · N135SJ · Urocop EC135P1SDR CA001013018Bearing · failed(CAN) EXCESSIVE PLAY FOUND BETWEEN THE BEARING AND SPIDER HOUSING. ALSO FOUND SIGNS OF OVERHEATING WITH LOSS OF GREASE AND PAINT MELTING.May 29, 2000 · Snias AS350BASDR 20000801SH036Ball Joint · wornBALL JOINT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)May 22, 2000 · N135SJ · Urocop EC135P1SDR 20000710SH009Disc Pack · looseDISC TO FLANGE INTERFACE FOUND LOOSE DURING QUILL SEAL CHANGE. REPLACED BOTH DISC AND FLANGE WHICH WAS MEASURED AND FOUND BEYOND LIMITS. (X)May 20, 2000 · N22PP · Bell 412EPSDR 20000710SH008Flange · looseDISC TO FLANGE INTERFACE FOUND LOOSE DURING ROTOR BRAKE QUILL SEAL CHANGE. REPLACED BOTH DISC AND FLANGE WHICH WERE MEASURED AND FOUND WORN BEYOND LIMITS. (X)May 20, 2000 · N22PP · Bell 412EPSDR CA000614008Bearing · failed(CAN) AIRCRAFT WAS GROUND RUN TO GROUND IDLE. TAIL ROTOR PEDDLES STARTED TO STIFFEN UP. AS THE AIRCRAFT RPM WAS INCREASED TO 100 PERCENT NR, TAIL ROTOR PEDDLES STIFFENED TO BEYOND LIMITS APPROXIMATELY 35 POUNDS. FORCE REQUIRED TO MOVE THE PEDDLES. AT THISMay 20, 2000 · Bell 206L1SDR CA001013014Bearing · failed(CAN) DURING A 50 HR INSPECTION ON THIS SPIDER, THE BEARING WAS FOUND TO BE ROUGH. NOTE THE BEARING ONLY REACHED 10 PERCENT OF ITS SERVICE LIFE.May 19, 2000 · Snias AS350BASDR 20000801SH032Laminated Hinge · wornELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT FROM ONE EACH KIT P/N 355A33. (X)May 10, 2000 · N779LF · Snias AS350DSDR 20000801SH017Spider · wornTEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)May 10, 2000 · N102LN · Snias AS350B2SDR AU000429Bearing · worn(AUS) TAIL ROTOR TEETER BEARINGS WEARING PREMATURELY.May 8, 2000 · Robsin R22ALPHASDR 20000718SH003Bearing · wornDURING DAILY SERVICE CHECK, FOUND INBOARD FEATHER BEARING WEAR, CAUSING THE OUTER RACE OF FEATHER BEARING TO SHIFT IN YOKE CAUSING BORE TO WEAR BEYOND LIMITS. (X)May 5, 2000 · N917AL · Bell 407SDR CA000511004Bushing · loose(CAN) PILOT STARTED AIRCRAFT AND FOUND PEDAL FORCES EXCESSIVE. AIRCRAFT WAS SHUT DOWN. T/R WAS DISASSEMBLED AND IT WAS FOUND THAT ONE OF THE OUTBOARD BUSHING HAD SLID APPROXIMATELY .25 INCH OFF THE INNER SLEEVE AND WAS RUBBING THE OUTBOARD SPACER, LOCATED INSIMay 1, 2000 · Bolkms BO105SSDR 20000801SH030Spider · wornTEFLON LINERS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Apr 20, 2000 · N103LN · Snias AS350B3SDR 20000607SH016Bearing · unserviceableBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM. (X)Apr 10, 2000 · N117BK · Bolkms BK117B1SDR CA000412003Bushing · cracked(CAN) PILOT COMPLAINED THAT EXCESSIVE LEFT PEDAL WAS REQUIRED. TAIL ROTOR ASSEMBLY WAS MEASURED WITH SPRING SCALE AND FORCES WERE FOUND EXCESSIVE. TAIL ROTOR DISASSEMBLED TO CLEAN INNER SLEEVE BUSHINGS AND TEFLON BUSHINGS. THE OUTBOARD SLEEVE BUSHING WAS FOUNApr 3, 2000 · Bolkms BO105SSDR 20000607SH012Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH2 EACH NEW UNITS, CORRECTED PROBLEM. (X)Mar 31, 2000 · N911BY · Bolkms BK117A4SDR CA000320001Bearing · worn(CAN) A T/R SPINDLE WAS REMOVED TO REPLACE A LIFE LIMITED PART. WHILE THE SPINDLE WAS OFF, A VISUAL INSPECTION OF THE FLAPPING BEARING INNER RACE REVEALED A CRACK. BEARING REPLACED.Mar 10, 2000 · Skrsky S61NSDR 20000607SH011Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. CORE SCRAPPED LOCALLY BY MECHANIC. REPLACED 2 EACH WITH NEW UNITS, CORRECTED PROBLEM. (X)Feb 29, 2000 · N117SU · Bolkms BK117C1SDR 20000605SH023Bearing · wornLAMINATED TAIL BEARING - ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Feb 28, 2000 · N94LG · Snias AS350B2SDR AC2A0000029Bearing · wornBEARING BEYOND LIMITS. REPLACED ROD END. (X)Feb 24, 2000 · N430CH · Bell 430SDR AC2A0000025Bearing · crackedALL FEATHERING BEARINGS CRACKED. REPLACED TAIL ROTOR HUB AND BLADE ASSY WITH CHEVRON OWNED TAIL ROTOR AND HUB SPARE. (X)Feb 21, 2000 · N430CH · Bell 430SDR LS1R066009Ring Assy · wornRING ASSY WORN EXCESSIVELY BEYOND LIMITS.Feb 15, 2000 · N9907K · Bell 206B3SDR HEEA066515Mount · wornRUBBER ON MOUNT DETERIORATED.Feb 15, 2000 · N405PH · Bell 407SDR HEEA066507Hub · damagedFEATHERING BEARINGS WORN AND TEFLON COMING OUT FROM AROUND BEARING.Feb 15, 2000 · N723PH · Bell 407SDR HEEA066501Bearing · damagedREMOVED TAIL ROTOR ASSEMBLY DUE TO TRUNNION ELASTOMERIC BEARING SEPARATION AND EXTRUDING.Feb 15, 2000 · N402PH · Bell 407SDR HEEA065898Bearing · wornWORN BEARINGS.Feb 4, 2000 · N407MM · Bell 407SDR HEEA065892Bearing · wornBEARINGS WORN.Feb 4, 2000 · N437PH · Bell 407SDR GJQR0000280Yoke · wornYOKE WORN BEYOND ALLOWABLE LIMITS AT CONTACT AREA WITH STATIC STOP BUMPER. BUMPER MATERIAL IS VERY HARD. (X)Feb 1, 2000 · Bell 206L4SDR ERAA065957Hub · mismanufacturedBEARING JOURNALS SLIGHTLY OVERSIZED FROM LAST REPAIR.Jan 31, 2000 · N293EH · Bolkms BO105SSDR 20000605SH022Bearing · wornLAMINATED TAIL BEARING - ELASTOMERICS WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)Jan 30, 2000 · N93LG · Snias AS350B2SDR CA000215029Bearing · wrong part(CAN) T/R SPIDER MODIFICATION KITS P/N 350A08-0756-0071 SUSPECT UNNAPROVED BEARINGS RECEIVED. ISSUE SENT TO M&M FOR FOLLOW-UP.Jan 28, 2000 · Snias AS350*SDR 20000405SH008Stud · looseTAIL ROTOR PITCH HORNS, PITCH CHANGE LINK STUDS LOOSE. REPLACED PART. (X)Jan 25, 2000 · N358AL · Bell 206L3
Back to JASC 6420