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 AC2A111381Clamp · crackedTAIL ROTOR DAMPER CLAMP CRACKED, REPLACED CLAMP.SDR 2006FA0000900Cable · brokenLT TAIL ROTOR CABLE FAILED. OPERATOR OPERATES IN VERY DUSTY ENVIRONMENT. BUILD UP OF DUST AND OILY SUBSTANCE FROM PRODUCT FOR SPRAYING CAUSE A FINE ABRASIVE SUBSTANCE ON CABLES AT PULLEYS. CABLE NEEDS PROTECTION FROM ENVIRONMENT AND MORE FREQUENT INSPECTION ANSDR CA060818004Bolt · loose(CAN) DURING A 100 HOUR INSPECTION THE ENGINEER NOTED A LARGE AMOUNT OF PLAY IN THE CLEVIS OF THE TAIL ROTOR FLIGHT CONTROL ROD. INVESTIGATION REVEALED AN UNDERSIZED BOLT , IE SMALLER DIAMETER, WAS INSTALLED. THE CORREECT BOLT, P/N AN175-20 WAS INSTALLED ANSDR KBM2006F00224Pitch Link · excess playT/R PITCH LINK, UNIT HAS NOTICEABLE PLAY IN ROD END, REMOVED AND REPLACED. (K)SDR CA060710005Shim · misinstalled(CAN) DURING A 100 HR INSPECTION OF AN A-STAR IN THE FIELD, THE ENGINEER PERFORMING THE INSPECTION FOUND THAT THE T/R SERVO FRICTION/GUIDE SHIM (PAD) WAS INSTALLED ON THE FORWARD BOLT AND NOT ON THE AFT ONE. WHEN RT PEDAL IS APPLIED THE SERVO FRICTION/GUIDE SSDR KBM2006F00201Pitch Link · loosePITCH LINK, UNIT LOOSE, REMOVED AND REPLACED. (K)SDR KBM2006F00180Control Cable · failedTAILROTOR PEDAL GRINDING, REMOVED AND REPLACED. (K)SDR 2006FA0000552Cable · brokenPILOT WAS PRACTICING AUTOROTATION AND FELT A CHANGE IN THE PEDALS. AFTER TOUCHDOWN, HE ATTEMPTED TO HOVER BY RAISING THE COLLECTIVE, AND THE HELICOPTER BEGAN TO SPIN, HE LOWERED THE COLLECTIVE, AND SHUTDOWN. NO DAMAGE TO THE HELICOPTER WAS NOTED. THE ROTATISDR 2006FA0000509Cable · severedDURING PRACTICE AUTOROTATIONS, PILOT FELT A CHANGE IN THE ANTI-TORQUE PEDALS. AFTER TOUCHDOWN HE ATTEMPTED TO RAISE THE COLLECTIVE AND THE HELICOPTER BEGIN TO SPIN, HE LOWERED THE COLLECTIVE AND SHUTDOWN. NO DAMAGE WAS NOTED. THE ROTATING CONE CONTROL CABLE WASDR KBM2006F00169Pitch Link · wornT/R PITCH LINK, UNIT WORN, REMOVED AND REPLACED. (K)SDR KBM2006F00168Pitch Link · wornT/R PITCH LINKS, UNIT WORN, REMOVED AND REPLACED. (K)SDR KBM2006F00167Bearing · wornLAMINATED BEARING, UNIT WORN, REMOVED AND REPLACED. (K)SDR KBM2006F00145Rod · crackedT/R P/C LINK, UNIT HAS CRACKS (BUSHINGS), REMOVED AND REPLACED. (K)SDR KBM2006F00144Rod · crackedT/R P/C LINK, UNIT HAS CRACKS, REMOVED AND REPLACED. (K)SDR KBM2006F00147Pitch Link · looseT/R PITCH LINK, BEARING LOOSE, REMOVED AND REPLACED. (K)SDR CA060326001Control Cable · unserviceablePILOT REPORTED T/R PEDALS FELT STICKY. CABLE WAS INVESTIGATED AND FOUND STIFF AND ROUGH. CABLE WAS CHANGED PROBLEM WAS SOLVED. INSIDE CABLE MOISTURE AND CORROSION WERE FOUND.SDR KBM2006F00137Pitch Link · excess playT/R PITCH LINK, UNIT HAS EXCESSIVE PLAY, REMOVED AND REPLACED. (K)SDR B65A108496Actuator · malfunctionedCAUSING UNCOMMANDED INPUTS AND LEAKINGSDR KBM2006F00122Bearing · wornLAMINATED BEARING, UNIT WORN, REMOVED AND REPLACED. (K)SDR KBM2006F00121Pitch Link · wornT/R PITCH LINK, WORN BEYOND LIMITS, REMOVED AND REPLACED. (K)SDR AC2A108029Control Rod · damagedDURING A 1200HR INSPECTION IT WAS DISCOVERED THAT THE LONG TAIL ROTOR CONTROL TUBE WAS MISSING A NYLATRON SLEEVE. / BELL SENT A REPLACEMENT.SDR KBM2006F00091Pitch Link · wornT/R PITCH LINK, UNIT WORN, REMOVED AND REPLACED. (K)SDR KBM2006F00090Pitch Link · wornT/R PITCH LINK, UNIT WORN, REMOVED AND REPLACED. (K)SDR KBM2006F00060Pitch Link · crackedTAIL ROTOR, P/L LINK HAVE CRACKED SILENT BUSH, REMOVED AND REPLACED. (K)SDR CA060306005Control Lever · worn(CAN) CONTROL TUBE WORN IN ATTACH POINT OF CONTROL LEVER. REPLACED LEVER. (TC NRV 20060306005)SDR KBM2006F00009Pitch Link · wornT/R PITCH LINK, BUSHING IN UNIT WORN, REMOVED AND REPLACED. (K)SDR KBM2006F00033Sleeve · wornUNIT HAS WORN HOUSING SLEEVE. REMOVED AND REPLACED. (K)SDR KBM2006F00031Bushing Sleeve · wornUNIT HAS WORN BUSHING SLEEVE, REMOVED AND REPLACED. (K)SDR CA060117006Pin · unserviceableTHREADED PORTION OF EXPANDABLE PIN FOUND SHEARED OFF, REPLACED WITH SERVICEABLE ASSEMBLY. ASSEMBLY WAS FOUND TO BE BROKEN DURING A GROUND RUN. THIS PIN IS PART OF THE QUICK DISCONNECT PEDAL SYSTEM.SDR KBM2005F00348Control Cable · bindingCABLE, FOUND UNIT BINDING, REMOVED AND REPLACED. (K)SDR CA051125003Control Tube · chafedT/R CONTROL TUBE 430-001-007-101 FOUND WITH CHAFING MARKS. TUBE WAS REPLACED WITH NEW -105.SDR CA051125002Control Tube · chafedT/R CONTROL TUBE 430-001-007-101, FOUND WITH CHAFING MARKS. TUBE WAS REPLACED WITH NEW -105.SDR 2005FA0001274Control Cable · failedIN FORWARD FLIGHT, TAIL ROTOR CONTROL DEVELOPED SEVERE BINDING. FOUND CONTROL CABLE TO HAVE INTERNAL FAILURE. ALIGNMENT OF CABLE THROUGH THE REAR BULKHEAD TO THE BELLCRANK CAUSING SIDE PRESSURE ON THE INTERNAL SHAFT IN THE CABLE POSSIBLY CAUSING THE BINDING.SDR KBM2005F00130Bellcrank · crackedBELLCRANK, RT T/R BELLCRANK LOWER BRACKET TIE BAR IS CRACKED. REMOVED AND REPLACED. (K)SDR KBM2005F00133Bellcrank · debondedBUSHING UNBONDED FROM T/R BELLCRANK. REMOVED AND REPLACED. (K)SDR KBM2005F00154Ball End · wornBEARING WORN ON T/R PITCH CHG DRIVE POST. REMOVED AND REPLACED. (K)SDR KBM2005F00127Control Cable · bindingCONTROL ROTOR CABLE, BINDING. REMOVED AND REPLACED. (K)SDR 2005FA0000504Case · crackedEDDY CURRENT INSPECTION IAW MFG COMPONENT MM, IDENTIFIED A CRACK FROM A PLUG HOLE.SDR CA050130002Bearing · seized(CAN) UPON INSPECTION OF THE LONG TAIL ROTOR PITCH CHANGE TUBE THE WALKING BEAM WAS OBSERVED TO BE A LITTLE RATCHETY TO ROTATE EVEN THOUGH IT ONLY ROTATES ABOUT 30 DEGREES OF TRAVEL. UPON THIS INSPECTION THE PART WAS REMOVED AND FURTHER INSPECTED. THE BEARINSDR KBM2005F00319Control Cable · bindingT/R CONTROL CABLE BINDING IN FLIGHT. REPLACED WITH SERVICEABLE CABLE. (K)SDR 2004FA0000924Torque Tube · out of limitsFOUND AN AREA ON THE T/R PEDAL TORQUE TUBE THAT WAS DRESSED OUT WAY BEYOND LIMITS NEARLY HALF THE WALL THICKNESS AND THE AREA NOTED COULD NOT BE SEEN CLEARLY UNTILL IT WAS DISASSEMBLED. REPLACED TUBE.SDR CA041110008Plate · missingDURING AN INSPECTION OF THE CABLE ASSEMBLY, THE BACKING PLATE FOR THE CABLE SUPPORT BEARING AT THE TAIL BOOM/AIRFRAME JUNCTION WAS FOUND TO BE MISSING. AIRCRAFT GROUNDED AND A PLATE INSTALLED. THE MISSING PLATE RESULTED IN EXCESS PLAY IN THE TAILROTOR PEDAL SDR KBM2004F00240Control Cable · bindingPILOT REPORTS BINDING T/R PEDALS. REMOVED AND REPLACED T/R FLEX CABLE WITH NEW.SDR KBM2004F00231Cable · bindingPILOT REPORTS BINDING T/R PEDALS. REMOVED AND REPLACED T/R FLEX CABLE WITH NEW.SDR HE66097244Bearing · wornBEARINGS ARE WORN CAUSING EXCESSIVE PLAY.SDR KBM2004F00003Support Bracket · crackedFOUND BRACKET CRACKED UNDER FLOOR STRUCTURE THAT SUPPORTS T/R CONTROL AND BELLCRANK SYSTEM. REPLACED BACKET WITH SERVICEABLE PART.SDR KBM2004F00190Support Bracket · crackedUNDERNEATH FLOOR T/R PEDAL BELLCRANK BRACKET SUPPORT IS CRACK. REMOVED AND REPLACED.SDR CA040811009Clamp · missing(CAN) ON DECENT PILOT FELT A TAP ON THE TAIL ROTOR PEDALS, AND LOOKED INTO HIS SLINGING MIRROR AND DETERMINED THAT THE LT BEAR PAW WAS MISSING. AFTER LANDING HE NOTICED DAMAGE TO TAIL ROTOR BLADES, AND VERTICLE FIN. ON INSPECTION, IT WAS FOUND THAT A CLAMP TSDR CA041110011Bellcrank · unserviceable(CAN) THE BELL CRANK WAS REMOVED TO DETERMINE THE SOURCE OF RADIAL PLAY. UPON REMOVAL OF THE BELLCRANK FROM THE GEARBOX TWO BUSHINGS FELL OUT OF THE BELLCRANK.SDR CA040604015Pin · dislodged(CAN) PIN P/N 100-035-187.5-30.5 WAS INSTALLED CORRECTLY. HOWEVER AN ADDITIONAL PIN WAS FOUND FLOATING INSIDE THE SHAFT. THE LAST MAINTENANCE PERFORMED IN THAT AREA WAS 27 JUNE 2003. APPROX 666.1 HOURS. PIN WAS REMOVED AND THE REST OF THE ASSEMBLY WAS INSPE
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