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 HEEA967089Body · bearing wornLAMINATE BEARING FAILED (FORK BEARINGS WORN)Apr 29, 1996 · N4000L · Snias AS350B2SDR 96ZZZX5668Bearing · wornT/R HEAD BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Apr 24, 1996 · N117CW · Bolkms BK117A4SDR 96ZZZX3478Bearing · wornWORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Apr 23, 1996 · N17SJ · Bolkms BK117B1SDR 96ZZZX2583Spindle · crackedSPINDLE WAS FOUND CRACKED IN AREA OF FIRST THREAD. SPINDLE HAS BEEN SENT TO SIKORSKY AIRCRAFT.Apr 23, 1996 · N1043T · Skrsky S61ASDR 96ZZZX3471Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Apr 18, 1996 · N527SF · Bolkms BK117A3SDR 96ZZZX5847Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW 2 EACH UNITS, CORRECTED PROBLEM.Apr 13, 1996 · N203LF · Bolkms BO105LSA3SDR CA960502030Pitch Link · loose bearing(CAN) SPHERICAL BEARING ON ONE END WAS FOUND HALF WAY OUT OF PITCH LINK.Apr 8, 1996 · Hughes 369DSDR 96ZZZX1980Swashplate · bearing roughDURING ANNUAL INSPECTION, THE T/R SWASHPLATE BEARING WAS FOUND ROUGH. REPLACED THE T/R SWASHPLATE.Apr 3, 1996 · N3115Y · Hughes 369DSDR 96ZZZX3469Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Mar 29, 1996 · N586BH · Bolkms BK117A4SDR 96ZZZX3253Pitch Beam · looseTAIL ROTOR PITCH BEAM WAS FOUND LOOSE ON PITCH SHAFT, WITH .1250 INCH GAP BETWEEN WASHER-RETAINER AND NUT. INSPECTION REVEALED PITCH BEAM NUT WAS BOTTOMING OUT ON PITCH SHAFT, PREVENTING PITCH BEAM AND WASHER FROM SEATING. THE PITCH SHAFT HAD 80 HOURS SINCE Mar 28, 1996 · N5402T · Skrsky S76SDR 96ZZZX3252Pitch Shaft · looseTAIL ROTOR PITCH BEAM WAS FOUND LOOSE ON PITCH SHAFT WITH .1250 INCH GAP BETWEEN WASHER AND NUT. INSPECTION REVEALED PITCH BEAM NUT WAS BOTTOMING OUT ON PITCH SHAFT, PREVENTING PITCH BEAM AND WASHER-RETAINER FROM SEATING. THE PITCH SHAFT HAD 80 HOURS SINCE IMar 28, 1996 · N5402T · Skrsky S76SDR 96ZZZX3251Retain Washer · looseTAIL ROTOR PITCH BEAM WAS FOUND LOOSE ON PITCH SHAFT WITH .1250 INCH GAP BETWEEN WASHER-RETAINER AND NUT. INSPECTION REVEALED PITCH BEAM NUT WAS BOTTOMING OUT ON PITCH SHAFT, PREVENTING PITCH BEAM AND WASHER FROM SEATING. THE PITCH SHAFT HAD 80 HOURS SINCE IMar 28, 1996 · N5402T · Skrsky S76SDR 96ZZZX1803Laminated Hinge · excess wearINSTALLED TEETERING BEARINGS (LAMINATED HINGE) AT ONE-HUNDRED HOUR INSPECTION, 60 HOURS AGO, THEN AT PRE-FLIGHT, NOTICED SEVERE WEAR. REMOVED FROM SERVICE. SUBMITTED TO MANUFACTURE FOR WARRANTY.Mar 11, 1996 · N911TM · Aerosp AS355F1SDR HEEA966737Body · worn bearingT/R BODY HAS WORN BEARING.Feb 28, 1996 · N60951 · Snias AS350B2SDR 96ZZZX3583Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Feb 17, 1996 · N417BK · Bolkms BK117B1SDR HEEA966669Race · corrodedBEARING RACE IS CORRODED.Feb 8, 1996 · Bell 212SDR 96ZZZX3597Bolt · wornBOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Feb 8, 1996 · N911BY · Bolkms BK117A4SDR 96ZZZX3470Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Feb 8, 1996 · N911BY · Bolkms BK117A4SDR HEEA966618Hub · bearing failedLAMINATE BEARING SEPARATED. HIGH FREQUENCY VIBERATION.Feb 5, 1996 · N6100U · Snias AS350B2SDR 96ZZZX1041Hub Assy · bearing bindDURING A FINAL APPROACH TO A ROOF-TOP HELIPAD, THE PILOT LOST ALL CONTROL OF THE TAIL ROTOR. AFTER A SUCCESSFUL LANDING AT THE AIRPORT, HE REGAINED CONTROL OF THE TAIL ROTOR. AFTER A THOROUGH INSPECTION OF THE T/R CONTROL SYSTEM, IT WAS DETERMINED THE FEATHEFeb 1, 1996 · N231UM · Bell 230SDR 96ZZZX3476Bearing · wornWORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Jan 25, 1996 · N911BH · Bolkms BO105CBSSDR 96ZZZX3468Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW 2 EACH UNITS, CORRECTED PROBLEM.Jan 22, 1996 · N5194C · Bolkms BK117B1SDR HEEA966499Hub · wont balanceINSPECT AND REPAIR DUE TO UNABLE TO BALANCE.Jan 19, 1996 · N8045T · Bell 214STSDR CA960126045Bearing · broken(CAN)WHILE INSPECTING PITCH CHANGE ASSEMBLY P/N 206-011-720-015, THE BEARING WAS FOUND BROKEN IN THE TRUNNION.Jan 19, 1996 · Bell 206LSDR HEEA966467Bearing · wornT/R BEARING RACE WORN.Jan 16, 1996 · N230UN · Bell 230SDR JYER960111Spindle · crackedAT OVERHAUL, TAIL ROTOR SPINDLE WAS FOUND CRACKED IN AREA OF FIRST THREAD. SIKORSKY AIRCRAFT HAS BEEN NOTIFED AND THE SPINDLE SENT TO THEM. (X)Jan 11, 1996 · N1043T · Skrsky S61ASDR HEEA956323Bearing · wornONE EACH BEARING UNSTAKED IN HUB AND THREE EACH BEARINGS WORN. REPLACED BEARINGS.Dec 27, 1995 · N8045T · Bell 214STSDR HEEA956304Body · bearing wornWORN LAMINATE BEARINGS.Dec 20, 1995 · N6100R · Snias AS350B2SDR 96ZZZX1602Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Dec 5, 1995 · N10UM · Bolkms BK117B1SDR 96ZZZX1601Bolt · wornBOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Dec 4, 1995 · N10UM · Bolkms BK117B1SDR HEEA956043Hub · defectiveTRUNNION RACHETS WHEN ROTATED: SUPPORT BRINELLING ON RACES.Nov 15, 1995 · N5748M · Bell 214STSDR 96ZZZX1664Bolt · wornFITTED BOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Nov 1, 1995 · N202HN · Bolkms BK117A3SDR 96ZZZX1599Bolt · wornFITTED BOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 28, 1995 · N417BK · Bolkms BK117B1SDR 96ZZZX1613Bolt · wornBOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 24, 1995 · N722MB · Bolkms BO105SSDR 96ZZZX1611Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Oct 24, 1995 · N722MB · Bolkms BO105SSDR CA951108008Tail Rotor Assy · delaminated(CAN)SEVERE VIBRATION ON FINAL APPROACH. INSPECTION REVEALED THAT ELASTOMERIC CONICAL BEARINGS WERE DELAMINATED WHICH CAUSED VIBRATION.Oct 14, 1995 · Hughes 369DSDR HEEA955877Hub · bearing failedT/R YOKE FORK BEARINGS SEPARATED IN TWO.Oct 13, 1995 · N60951 · Snias AS350B2SDR 96ZZZX1660Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Sep 16, 1995 · N117NY · Bolkms BK117A3SDR 96ZZZX1682Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Aug 28, 1995 · N911BY · Bolkms BK117A4SDR 95ZZZX5571Bearing Stack · defectiveBEARING STACK KNOTCHED AROUND INNER RACE. PILOT REPORT PEDAL STICKS DURING FLIGHT. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.Aug 24, 1995 · N67081 · Aerosp SA316BSDR 95ZZZX5570Bearing Stack · defectiveBEARING STACK KNOTCHED AROUND INNER RACE. PILOT REPORT PEDAL STICKS DURING FLIGHT. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.Aug 24, 1995 · N67081 · Aerosp SA316BSDR 95ZZZX5569Bearing Stack · defectiveBEARING STACK KNOTCHED AROUND INNER RACE. PILOT REPORT PEDAL STICKS DURING FLIGHT. REPLACED WITH NEW UNIT(S) CORRECTED PROBLEM.Aug 24, 1995 · N67081 · Aerosp SA316BSDR HEEA955589Body · rubber splitTAIL ROTOR BODY SPLIT RUBBER.Aug 10, 1995 · N6097Z · Snias AS350B2SDR 96ZZZX1668Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Aug 10, 1995 · N527SF · Bolkms BK117A3SDR HEEA955531Hub · bearing wornWORN BEARINGS IN HUB. REPLACED HUB ASSEMBLY.Aug 3, 1995 · N6095S · Snias AS350BSDR 96ZZZX1612Bearing · wornBEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WTIH 2 EACH NEW UNITS, CORRECTED PROBLEM.Aug 3, 1995 · N722MB · Bolkms BO105SSDR HEEA955381Hub · bearing failedLAMINATED HINGE BEARING FAILED, SEPARATED 360 DEGREES AROUND. REMOVED AND REPLACED T/R YOKE ASSY WITH SERVICEABLE PART.Jul 20, 1995 · N60951 · Snias AS350B2SDR HEEA955380Yoke · bearing looseBEARING LOOSE IN BORE OF YOKE. REPLACED WITH SERVICEABLE T/R YOKE AND RETURNED AIRCRAFT TO SERVICE.Jul 20, 1995 · N60951 · Snias AS350B2SDR HEEA955220Hub · defectiveTRUNNION BEARING ROUGH. INBOARD BLADE BEARING'S LINER BEING CRACKED.Jun 23, 1995 · N5748M · Bell 214STSDR 96ZZZX1666Bolt · wornBOLT WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jun 23, 1995 · N424MB · Bolkms BK117A3
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