JASC 6720

Service difficulty reports · 852

Reports filed under 6720 · Tail Rotor Control 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 = '6720'
  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 HEEA0015007Link · wornT/R P/C LINKS BEARINGS WORN.Jun 24, 1998 · N230UN · Bell 230SDR HEEA0014942Actuator · malfunctionedACTUATOR FROZEN UP. INOPERATIVE.Jun 22, 1998 · N107X · Bell 412SDR 98ZZZX3122Rod · wornT/R PTICH CONTROL ROD WORN BEYOND SERIVCEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.Jun 19, 1998 · N97LG · Snias AS350B2SDR 98ZZZX3121Spider · wornT/R PITCH CHANGE SPIDER, SEALS DETERIORATED AND WORN BEYOND SERVICEABLE LIMITS. EXCESSIVE PLAY WITHIN SPLIT BUSHINGS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jun 19, 1998 · N97LG · Snias AS350B2SDR HEEA0014808Bearing · wornBEARING HAS EXCESSIVE WEAR TO THE POINT OF NEAR FAILURE AND POSSIBLE LOSS OF TAIL ROTOR CONTROL. REPLACED WITH SERVICEABLE LINK.Jun 17, 1998 · N134AE · Bolkms BK117B2SDR 98ZZZX3728Fan Assy · damagedBUBBLE IN SPAR AREA. REPLACED WITH NEW FAN ASSY UNIT, CORRECTED PROBLEM.Jun 15, 1998 · N901CF · Doug MD900SDR 98ZZZX3709Fan Assy · damagedBUBBLE IN SPAR AREA. REPLACED FAN ASSY WITH NEW UNIT, CORRECTED PROBLEM.Jun 15, 1998 · N901CF · Doug MD900SDR 98ZZZX3708Fan Assy · damagedBUBBLE IN SPAR AREA. REPLACED FAN ASSY WITH NEW UNIT, CORRECTED PROBLEM.Jun 15, 1998 · N901CF · Doug MD900SDR 98ZZZX2539Pitch Link · brokenPITCH LINK FAILED WHILE IN HOVER FLIGHT. PILOT EXECUTED HOVERING AUTOROTATION SUCCESSFULLY. TAIL ROTOR ASSY COMPLETE, 90 DEGREE GEARBOX, AND 42 DEGREE GEARBOX WERE REPLACED AS A PRECAUTION, FOR INSPECTION.Jun 15, 1998 · N66HJ · Bell 205A1SDR MVH0064198Servo Control · leakingSERVO CONTROL LEAKING AT SHAFT SEAL.Jun 14, 1998 · N63CF · Aerosp SA365NSDR 98ZZZX2541Horn · mismanufacturedINSTALLED OVERHAULED T/R HUB AND BLADES ON AIRCRAFT. NOTICED AFTER RIGGING T/R HORNS, P/N 206-011-809-107, THEY WERE CONTACTING T/R HUB, P/N 206-011-810-139. REMOVED AND REPLACED ASSY. INSPECTION OF REMOVED UNITS AND OF UNITS IN STOCK SHOWED THAT MACHINING Jun 9, 1998 · N2611 · Bell 206L1SDR HEEA0014523Bearings · wornT/R PITCH WILL NOT STAY ENGAGED. BAD BEARINGS.Jun 4, 1998 · N59806 · Bell 214STSDR HEEA0014440Bearing · wornT/R BEARINGS WORN.Jun 1, 1998 · N407PH · Bell 407SDR HEEA0014430Rod · wornT/R PITCH CONTROL ROD BEARING WORN.Jun 1, 1998 · N6097Z · Snias AS350B2SDR HEEA0014424Bearing · wornWORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-2193 AND NHFS-2195.Jun 1, 1998 · N141MA · Bell 407SDR HEEA0014294Rod · wornPITCH CONTROL ROD HAS WORN BEARINGS.May 22, 1998 · N6100R · Snias AS350B2SDR HEEA0014292Rod · defectivePITCH CONTROL ROD REMOVED FOR REPAIR.May 22, 1998 · N6100R · Snias AS350B2SDR 98ZZZX2107Push Rod · damagedDURING INSPECTION PRIOR TO INSTALLATION, GREASE SEALS ON ROD END WERE FOUND TO HAVE DENTS AND DEFORMED FROM FACTORY BUILD-UP.May 22, 1998 · N521FB · Hughes 500NSDR HEEA0014219Link · wornLINK HAS WORN BEARINGS.May 19, 1998 · N427PH · Bell 407SDR HEEA0014213Link · wornT/R PITCH CONTROL LINK BEARING WORN.May 14, 1998 · N40466 · Snias AS350B2SDR HEEA0014212Rod Bearing · wornPITCH CONTROL ROD BEARING WORN.May 14, 1998 · N40466 · Snias AS350B2SDR HEEA0014097Link · wornTAIL ROTOR PITCH CHANGE LINK HAS EXCESSIVE MECHANICAL WEAR.Apr 30, 1998 · N407MM · Bell 407SDR HEEA0014049Bellcrank Assy · chafedBELLCRANK CHAFFED AT ROD END ATTACH AREA. REPLACED BELLCRANK WITH SERVICEABLE PART.Apr 29, 1998 · N3905B · Bell 206L1SDR AU980993Control · misrigged(AUS) TAIL ROTOR CONTROLS INCORRECTLY RIGGED ALLOWING TAIL ROTOR CONTROL TUBE P\N 206-001-020-033 TO RUB ON BULKHEAD P\N 206-031-200-51. PART TC: 7,193.Apr 28, 1998 · Bell 206B3SDR CA980602035Control Cable · seized(CAN) PILOT REPORTED RIGHT HAND PEDAL WOULD NOT GO BEYOND NEUTRAL POSITION AND LEFT PEDAL LIMITED TRAVEL. FLEXIBLE CABLE PARTLY SEIZED.Apr 25, 1998 · Snias AS350B1SDR HEEA0013944Plate Assy · roughBEARING ROUGH, RATCHETY AND CANNOT BE REPLACED. SCRAPPED BEARING AND REPLACED WITH SERVICEABLE BEARING.Apr 16, 1998 · N1078D · Bell 206L1SDR HEEA0013918Rod · wornPITCH CONTROL WEAR INSIDE ID OF RUBBER BUSHING.Apr 15, 1998 · N6097Z · Snias AS350B2SDR HEEA0013917Rod · wornPITCH CONTROL ROD BEARINGS WORN.Apr 15, 1998 · N60951 · Snias AS350B2SDR HEEA0013916Rod · wornPITCH CONTROL ROD AXIAL WEAR, SPHERICAL BEARINGS.Apr 15, 1998 · N6100R · Snias AS350B2SDR HEEA0013915Rod · wornPITCH CONTROL ROD BEARING WORN.Apr 15, 1998 · N6097Z · Snias AS350B2SDR 98ZZZX1787Pitch Link · wornBEARINGS WORN ON T/R PITCH LINK. REMOVED AND REPLACED.Apr 10, 1998 · N4UV · Bell 230SDR 98ZZZX1810Bracket · crackedPILOT'S REPORT - WHILE ADJUSTING SNOW COVER ON THRUSTER CAN, PILOT HEAR A LOUD CRACK AS IF SOMETHING INSIDE THE TAILBOOM BROKE. MECHANIC DISASSEMBLED THRUSTER AND FOUND A BRACKET CRACKED AROUND THE 'PITCH CHANGE CABLE MOUNT POINT'. REPLACED WITH NEW UNIT, Apr 5, 1998 · N901CF · Doug MD900SDR HEEA0013721Roll Control · failedROLL CONTROL KICKS IN BOTH CHANNEL IN ATT. MODE AND SAS MODE.Apr 2, 1998 · N293CA · Bell 412SDR 98ZZZX1758Pitch Link · wornBEARINGS WORN. REMOVED AND REPLACED 2 EACH.Apr 1, 1998 · N317MC · Bolkms BK117C1SDR HEEA0013625Yaw Control · failedYAW CONTROL INOPERATIVE.Mar 26, 1998 · N5759N · Bell 412SDR HEEA0013588Roll Control Rod · defectiveROLL KICKS IN FLIGHT.Mar 26, 1998 · N5759N · Bell 412SDR 98ZZZX1891Link · misriggedPILOT REPORTED RT T/R CONTROL PEDAL HIT FULL STOP DURING RT DESCENDING TURN. HELICOPTER COULD NOT BE TRIMMED. DESCENT WAS SHALLOWED AND TRIM WAS ACHIEVED. MECH PERFORMED T/R RIGGING CHECK AND FOUND THE FOLLOWING: FULL LT PEDAL READING ON T/R BLADES = 24.5 Mar 24, 1998 · N911D · Agusta A109CSDR HEEA0013019Shaft · crackedCRACKS ON PITCH CHANGE SHAFT. REPLACED WITH SERVICEABLE PITCH CHANGE MECHANISM.Feb 10, 1998 · N31801 · Bell 206L3SDR HEEA0013013Yaw Control · failedYAW CONTROL INOPERATIVE.Feb 10, 1998 · N5759N · Bell 412SDR HEEA0012891Rod · wornBEARING WORN ON T/R P/C LINK.Feb 9, 1998 · N40466 · Snias AS350B2SDR HEEA0012608Rod · wornPITCH CONTROL ROD HAS PLAY ON BEARINGS.Jan 22, 1998 · N6097Z · Snias AS350B2SDR HEEA0012607Rod · wornPITCH CONTROL ROD HAS WORN BEARINGS.Jan 22, 1998 · N6100R · Snias AS350B2SDR HEEA0012594Rod · wornPITCH CONTROL ROD BEARING HAS PLAY.Jan 21, 1998 · N4036H · Snias AS350B2SDR HEEA0012593Rod · wornyPITCH CONTROL ROD BEARING HAS PLAY.Jan 21, 1998 · N4036H · Snias AS350B2SDR HEEA0012592Rod · wornPITCH CONTROL ROD BEARING HAS PLAY.Jan 21, 1998 · N4036H · Snias AS350B2SDR HEEA0012591Rod · wornPITCH CONTROL ROD BEARING WORN.Jan 21, 1998 · N4031L · Snias AS350B2SDR HEEA0012574Rod · wornPITCH CONTROL ROD BEARING HAS WEAR.Jan 13, 1998 · N40466 · Snias AS350B2SDR HEEA0012463Yaw Control · failedYAW CONTROL SHOWS FULL RIGHT DEFLECTION.Jan 6, 1998 · N5759N · Bell 412SDR HEEA0012396Rod Assy · failedROD ASSY BEARING ENDS ARE COMING APART. REPLACED WITH SERVICEABLE ROD ASSEMBLY.Dec 31, 1997 · N7077F · Bell 206L4SDR HEEA0012395Rod Assy · failedROD ASSY BEARING ENDS ARE COMING APART. REPLACED WITH SERVICEABLE ROD ASSEMBLY.Dec 31, 1997 · N7074W · Bell 206L4
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