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.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR HEEA0015007Link · wornT/R P/C LINKS BEARINGS WORN.SDR HEEA0014942Actuator · malfunctionedACTUATOR FROZEN UP. INOPERATIVE.SDR 98ZZZX3122Rod · wornT/R PTICH CONTROL ROD WORN BEYOND SERIVCEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.SDR 98ZZZX3121Spider · wornT/R PITCH CHANGE SPIDER, SEALS DETERIORATED AND WORN BEYOND SERVICEABLE LIMITS. EXCESSIVE PLAY WITHIN SPLIT BUSHINGS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA0014808Bearing · wornBEARING HAS EXCESSIVE WEAR TO THE POINT OF NEAR FAILURE AND POSSIBLE LOSS OF TAIL ROTOR CONTROL. REPLACED WITH SERVICEABLE LINK.SDR 98ZZZX3728Fan Assy · damagedBUBBLE IN SPAR AREA. REPLACED WITH NEW FAN ASSY UNIT, CORRECTED PROBLEM.SDR 98ZZZX3709Fan Assy · damagedBUBBLE IN SPAR AREA. REPLACED FAN ASSY WITH NEW UNIT, CORRECTED PROBLEM.SDR 98ZZZX3708Fan Assy · damagedBUBBLE IN SPAR AREA. REPLACED FAN ASSY WITH NEW UNIT, CORRECTED PROBLEM.SDR 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.SDR MVH0064198Servo Control · leakingSERVO CONTROL LEAKING AT SHAFT SEAL.SDR 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 SDR HEEA0014523Bearings · wornT/R PITCH WILL NOT STAY ENGAGED. BAD BEARINGS.SDR HEEA0014440Bearing · wornT/R BEARINGS WORN.SDR HEEA0014430Rod · wornT/R PITCH CONTROL ROD BEARING WORN.SDR HEEA0014424Bearing · wornWORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-2193 AND NHFS-2195.SDR HEEA0014294Rod · wornPITCH CONTROL ROD HAS WORN BEARINGS.SDR HEEA0014292Rod · defectivePITCH CONTROL ROD REMOVED FOR REPAIR.SDR 98ZZZX2107Push Rod · damagedDURING INSPECTION PRIOR TO INSTALLATION, GREASE SEALS ON ROD END WERE FOUND TO HAVE DENTS AND DEFORMED FROM FACTORY BUILD-UP.SDR HEEA0014219Link · wornLINK HAS WORN BEARINGS.SDR HEEA0014213Link · wornT/R PITCH CONTROL LINK BEARING WORN.SDR HEEA0014212Rod Bearing · wornPITCH CONTROL ROD BEARING WORN.SDR HEEA0014097Link · wornTAIL ROTOR PITCH CHANGE LINK HAS EXCESSIVE MECHANICAL WEAR.SDR HEEA0014049Bellcrank Assy · chafedBELLCRANK CHAFFED AT ROD END ATTACH AREA. REPLACED BELLCRANK WITH SERVICEABLE PART.SDR 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.SDR CA980602035Control Cable · seized(CAN) PILOT REPORTED RIGHT HAND PEDAL WOULD NOT GO BEYOND NEUTRAL POSITION AND LEFT PEDAL LIMITED TRAVEL. FLEXIBLE CABLE PARTLY SEIZED.SDR HEEA0013944Plate Assy · roughBEARING ROUGH, RATCHETY AND CANNOT BE REPLACED. SCRAPPED BEARING AND REPLACED WITH SERVICEABLE BEARING.SDR HEEA0013918Rod · wornPITCH CONTROL WEAR INSIDE ID OF RUBBER BUSHING.SDR HEEA0013917Rod · wornPITCH CONTROL ROD BEARINGS WORN.SDR HEEA0013916Rod · wornPITCH CONTROL ROD AXIAL WEAR, SPHERICAL BEARINGS.SDR HEEA0013915Rod · wornPITCH CONTROL ROD BEARING WORN.SDR 98ZZZX1787Pitch Link · wornBEARINGS WORN ON T/R PITCH LINK. REMOVED AND REPLACED.SDR 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, SDR HEEA0013721Roll Control · failedROLL CONTROL KICKS IN BOTH CHANNEL IN ATT. MODE AND SAS MODE.SDR 98ZZZX1758Pitch Link · wornBEARINGS WORN. REMOVED AND REPLACED 2 EACH.SDR HEEA0013625Yaw Control · failedYAW CONTROL INOPERATIVE.SDR HEEA0013588Roll Control Rod · defectiveROLL KICKS IN FLIGHT.SDR 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 SDR HEEA0013019Shaft · crackedCRACKS ON PITCH CHANGE SHAFT. REPLACED WITH SERVICEABLE PITCH CHANGE MECHANISM.SDR HEEA0013013Yaw Control · failedYAW CONTROL INOPERATIVE.SDR HEEA0012891Rod · wornBEARING WORN ON T/R P/C LINK.SDR HEEA0012608Rod · wornPITCH CONTROL ROD HAS PLAY ON BEARINGS.SDR HEEA0012607Rod · wornPITCH CONTROL ROD HAS WORN BEARINGS.SDR HEEA0012594Rod · wornPITCH CONTROL ROD BEARING HAS PLAY.SDR HEEA0012593Rod · wornyPITCH CONTROL ROD BEARING HAS PLAY.SDR HEEA0012592Rod · wornPITCH CONTROL ROD BEARING HAS PLAY.SDR HEEA0012591Rod · wornPITCH CONTROL ROD BEARING WORN.SDR HEEA0012574Rod · wornPITCH CONTROL ROD BEARING HAS WEAR.SDR HEEA0012463Yaw Control · failedYAW CONTROL SHOWS FULL RIGHT DEFLECTION.SDR HEEA0012396Rod Assy · failedROD ASSY BEARING ENDS ARE COMING APART. REPLACED WITH SERVICEABLE ROD ASSEMBLY.SDR HEEA0012395Rod Assy · failedROD ASSY BEARING ENDS ARE COMING APART. REPLACED WITH SERVICEABLE ROD ASSEMBLY.
Back to JASC 6720