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 HEEA968389Pitch Link · defectiveHOLE FOR SAFETY OF CHORDWISE WEIGHTS LOCATED IN WRONG PLACE. UNABLE TO SAFETY WITH REQUIRED WASHERS. ALSO REPLACED PITCH HORNS. SEE MMIR# HEEA0008388 AND HEEA0008390 FOR INFORMATION.SDR HEEA968388Pitch Horn · defectiveHOLE FOR SAFETY OF CHORDWISE WEIGHTS LOCATED IN WRONG PLACE. UNABLE TO SAFETY WITH REQUIRED WASHERS. ALSO REPLACED PITCH LINKS. SEE MMIR# HEEA0008389 AND HEEA0008390 FOR INFORMATION. S/N A9 A11SDR 97ZZZX734Actuator · defectiveDAMPNER ACTUATOR INSPECT FOR BREAKAWAY TORQUE TOLERANCE. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR 97ZZZX733Actuator · faultyDAMPNER ACTUATOR FAILED BREAKAWAY TORQUE TOLERANCE INSPECTION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA968275Cable Assembly · mis mfgCABLE 1/2 INCH TOO SHORT WHEN MEASURED AGAINST OLD T/R CABLE. WHEN INSTALLED IN AIRCRAFT EXPOSED THREAD ON TURNBUCKLE OUT OF LIMITS WITH CORRECT CABLE TENSION.SDR 96ZZZX5760Pitch Link · bearing playPLAY IN BEARINGS, 2 EA PITCH LINK ASSY.SDR 96ZZZX5755Bellcrank · bearing wornT/R BELLCRANK BEARINGS WORN.SDR 96ZZZX5694Actuator · leakingACTUATOR EXCESSIVE LEAKAGE.SDR HEEA967791Pedal Assy · worn excessPART IS WORN EXCESSIVELY. (BEARING WORN BEYOND LIMITS) REPLACED WITH SERVICEABLE PEDAL ASSEMBLY.SDR HEEA967790Support Assy · corrodedPART IS CORRODED. (CORROSION AROUND BASE OF PEDAL SUPPORT) REPLACED WITH SERVICEABLE PART.SDR 97ZZZX670Bearing · wornTHRUST BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 3 EACH NEW UNITS, CORRECTED PROBLEM.SDR 96ZZZX4646Actuator · leaksACTUATOR LEAKS.SDR 97ZZZX671Bearing · wornTHRUST BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 4 EACH NEW UNITS, CORRECTED PROBLEM.SDR 96ZZZX4666Pitch Link · bearing playTAIL ROTOR CONTROL PLAY IN BEARINGS (2 EACH).SDR HEEA967312Control Rod · corrodedROD IS CORRODED. (CORROSION FOUND UNDERNEATH BLACK HEAT SHRINK. REPLACED WITH SERVICEABLE CONTROL TUBE.SDR 96ZZZX3158Bearing · looseDURING ROUTINE INSPECTION OF AD 94-24-04, THE DUPLEX BEARING WAS LOOSE (AXIALLY) INSIDE OF PITCH CONTROL HOUSING (369A1802) - THE ENTIRE BEARING INCLUDING THE OUTER HOUSING OF THE BEARING. THIS COULD ALLOW THE BEARING TO SPIN INSIDE THE HOUSING. SUBMITTER STSDR ERAA96238Control Rod · corrodedTUBE HAS METAL BLISTER ON INSIDE. POSSIBLE CORROSION .SDR HEEA967224Servo Assy · defectiveSERVO KICKING IN FLIGHT.SDR 96ZZZX3140Bearing · flat spotsTHRUST BEARING HAS FLAT SPOTS. REPLACED WITH 6 EACH NEW UNITS, CORRECTED PROBLEM.SDR 96ZZZX3183Bell Crank · wornBEARING WORN AND STIFF. REMOVED AND REPLACED.SDR 96ZZZX2585Control Cable · bindingPILOT EXPERIENCED BINDING IN T/R PEDALS AND MADE A PRECAUTIONARY RUNNING LANDING. INSPECTION FOUND BINDING IN TELEFLEX CONTROL CABLE. CABLE WAS REPLACED.SDR 96ZZZX2789Control Cable · frayedINFORMATION APPLICABLE TO MODELS, F28C, F28C-2 F28-F, 280F, 280FX. INSPECTION FOUND TAIL ROTOR CABLES FRAYED WHERE THEY PASS OVER THE AFT ALIGNMENT PULLEYS IN THE TAIL CONE. PULLEYS WERE LUBED, FREE AND TURNING. SUSPECT VIBRATION WAS CAUSING CABLES TO RATTLSDR 96ZZZX3139Bearing · wornTHRUST BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.SDR 96ZZZX3138Bearing · wornTHRUST BEARING WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH 2 EACH NEW UNITS, CORRECTED PROBLEM.SDR HEEA966724Pitch Links · wornPITCH LINK BEARINGS WORN.SDR HEEA966722Link · worn excessLINK IS WORN EXCESSIVELY. (SPHERICAL BEARINGS WORN)SDR HEEA966688Actuator Assy · defectiveSAS YAW CHANNEL WOULD NOT COME ON LINE UNTIL ACTUATOR LOCK WAS PUSHED INTO OPEN POSITION. WITH ACTUATOR INSTALLED IN AIRCRAFT, LOCK SOLENOID WOULD NOT OPEN LOCK WITHOUT BEING PUSHED. LOCK WOULD STAY OPEN ONCE IT WAS PUSHED THERE.SDR HEEA966574Connecting Link · crackedTAIL ROTOR P/C LINK IS CRACKED ON BOTH ENDS WHERE BEARINGS PRESSED INTO LINK. REPLACED P/C LINK WITH SERVICEABLE PART.SDR AU960065Bearing · seized(AUS) TAIL ROTOR CONTROL BARREL BEARING SEIZED - BEARINGS ARE SEALED UNITSSDR HEEA966422Servo · leakingLEAKING AT PILOT VALVE AND BOTH ENDS OF CYLINDER ALSO OUT OF TIMING. SENT TO AMERICAN EUROCOPTER CORP. ..THEIR PROPERTY BEING RETURNED. (PHI REQUESTS FOR CREDIT)SDR HEEA966414Rod Bearing · wornBEARING WORN. REPLACED WITH SERVICEABLE T/R P/C LINK.SDR HEED95444Link · defectiveT/R LINK DEFECTIVE. REPLACED UNITSDR CA951218005Link · rough bearing(CAN)DURING INSPECTION FOR ABNORMAL NOISE, THE T/R PITCH CONTROL BEARING WAS FOUND TO BE ROUGH.SDR 96ZZZX300Pitch Horn · loose studDURING DAILY INSPECTION, FOUND THE PITCH LINK STUD ON THE PITCH HORN WAS LOOSE. SUSPECT CAUSE IS THE STUD WAS NOT PERMANENTLY SECURED AT THE FACTORY. ALSO, THE PITCH HORN WAS NOT PROPERLY TORQUED AT THE FACTORY CAUSING THE PITCH HORN TO BECOME LOOSE ON THE TSDR CA951218003Pitch Change · dry req lube(CAN)TIME EXPIRED FOR REGREASE, COMPONENT APPEARS TO HAVE NO GREASE LEFT IN ASSEMBLY. TIME THIS INSTALLATION 23 MONTHS.SDR 96ZZZX440Bellcrank · wornTEFLON COATING WORN BEYOND LIMITS IN T/R BELLCRANK. REMOVED AND REPLACED.SDR CA951130008Control Tube · bearing loose(CAN)SPHERICAL BEARING FOUND LOOSE IN CONTROL TUBE.SDR CA951215201Bracket · cracked(CAN)TAIL ROTOR PEDAL BRACKET BROKE AWAY FROM AIRFRAME. PILOT PERFORMING PRE-FLIGHT CONTROL CHECK.SDR 96ZZZX444Bellcrank · wornTEFLON COATED BEARING WORN ON T/R BELLCRANK. REMOVED AND REPLACED.SDR 95ZZZX6621Rod · wornON 100-HOUR INSPECTION, LOOSENESS OF BEARING WAS FOUND. CAUSE - NORMAL WEAR.SDR 95ZZZX6530Rod · wornDURING 100-HOUR INSPECTION, LOOSENESS OF BEARING WAS FOUND. SUSPECTED CAUSE, NORMAL WEAR.SDR HEED95387Link · bearing wornBEARING WORN TO EXXON LIMITS .REPLACED UNITSDR 95ZZZX7055Pitch Link · crackedFOUND CRACK ON OUTBOARD PITCH CHANGE LINK NEXT TO BEARING. SUBMITTER STATED PART WAS NEW FROM BELL, PROBLEM MAY BE FROM OVERSTAKING OF BEARING AT ASSEMBLY.SDR 95ZZZX7000Bellcrank · clevis wornT/R BELLCRANK INPUT CLEVIS WORN PAST LIMITS.SDR HEEA955895Pitch Links · bearing wornT/R P/C LINKS BEARINGS WORN BEYOND LIMITS.SDR HEEA955889Yaw Control · defectiveYAW ACTUATOR DEFLECTS LEFT, WILL NOT ENTER.SDR 95ZZZX6488Actuator · leakingLEAKING TAIL ROTOR ACTUATOR.SDR 95ZZZX5712Control Tube · chafedTAIL ROTOR PITCH ACTUATOR CONTROL TUBE HAS STARTED GETTING WEAR DOWN BELOW THE PAINT AS IT PASSES THROUGH THE BULKHEAD. OPENED UP THE LIGHTNING HOLE TO ALLOW SUFFICIENT CONTROL TUBE CLEARANCE.SDR HEEA955767Bearing · wornBEARING HAS EXCESSIVE AXIAL WEAR (.4MM MAX) REPLACED WITH SERVICEABLE T/R P/C LINK.SDR CA950912019Bearing · cracked(CAN)DURING FACTORY ACCEPTANCE THE PILOT/OWNER REPORTED THAT THE FORCE REQUIRED FOR FLAPPING THE TAIL ROTOR WAS EXCESSIVE. COMPANY FLIGHT TEST RESPONDED THAT THIS WAS NORMAL FOR A NEW AIRCRAFT. DURING THE IMPORT INSPECTION THE FLAPPING BEARING INNER RACE WAS
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