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 AU981640Bearing · seized(AUS) PILOT REPORTED NOISE ON ROTOR RUN DOWN AND ALSO HAD EXPERIENCED AN UNEXPLAINED YAW DURING LAST FLIGHT. INSPECTION OF THE TAIL ROTOR PITCH CONTROL FOUND THAT THE BALL BEARING WITHIN THE ASSEMBLY WAS AT THE POINT OF SEIZURE. BEARING WAS MANUFACTURED BY SDR 98ZZZX4735Link · wornBEARING WORN. REMOVED AND REPLACED.SDR HEEA0016835Link · wornT/R PITCH CHANGE CONTROL ROD HAS WORN BEARINGS AND IS BINDING.SDR HEEA0016834Link · wornWORN BEARINGS AND LINK. SERIAL NUMBERS REMOVED ARE NHFS-2820 AND NHFS-2163.SDR AU981556Servo · failed(AUS) TAIL ROTOR SERVO, INTERNAL FAULT.SDR HEEA0016783Link · wornLINK BEARINGS WORN BEYOND LIMITS. SERIAL NUMBERS REMOVED ARE NHFS-3122 AND NHFS-3123.SDR 99ZZZX849Blade · crackedBLADE ASSY CRACKED BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA0016732Actuator · leakingT/R ACTUATOR - LEAKING OUT SEALS.SDR 98ZZZX4802Pitch Link · wornON 11-2-98, A DAILY INSPECTION WAS PERFORMED. A PIECE OF TAPE THAT SEPARATES THE BALL BEARING FROM ITS OUTER RACE ON THE T/R P/C LINK HAD FLAKED OUT AND WAS REMOVED (.1250 INCH BY .0625 INCH). CHAPTER 65.20.00.601 PARA 4.2 OF THE AS350 MM WAS CHECKED. NO MESDR HEEA0016632Rod · wornROD, PITCH CONTROL HAS WORN BEARINGS.SDR AU981417Tube · misinstalled(AUS) TAIL ROTOR PITCH CONTROL TUBE FITTED TO THE AIRCRAFT WAS A DIFFERENT PART NUMBER TO THE ONE IN THE MAINTENANCE DOCUMENTATION. PART TC: 13,461.SDR HEEA0016586Actuator · failedACTUATOR STUCK IN FULL RIGHT HARD POSITION.SDR HCMA0000228Rod · wornROD, PITCH CONTROL, WORN BEYOND LIMITS.SDR HEEA0016451Rod · wornROD, PITCH CONTROL HAS BEARINGS WORN.SDR HEEA0016208Link · wornLINK HAS WORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-2711 AND NHFS-2446. REPLACEMENT PART SERIAL NUMBERS ARE NHFS-3742 AND NHFS-3784.SDR HEEA0016203Rod · loosePITCH CONTROL HAS PLAY IN BEARINGS. SERIAL NUMBERS REMOVED ARE S1894 AND S1952. REPLACEMENT PART SERIAL NUMBERS ARE S2250 AND S2217.SDR CA981125048Control Cable · misrouted(CAN) TAIL ROTOR CONTROL CABLE FOUND INSTALLED THROUGH THE WRONG HOLE OF THE AIRFRAME CAUSING BINDING OF THE TAIL ROTOR CONTROLS.SDR AU981366Liner · corroded(AUS) TAIL ROTOR PITCH CHANGE SHAFT LINER CORRODED CAUSING BINDING OF THE PITCH CHANGE SHAFT.SDR AU981356Shaft · corroded(AUS) TAIL ROTOR PITCH CHANGE SHAFT BINDING ON LINER DUE TO CORROSION.SDR HEEA0016097Rod · corrodedBEARINGS RUSTED OUT (BALL BEARINGS FALLING OUT)SDR 99ZZZX1357Link · mismanufacturedWALL THICKNESS ON LARGE BEARING END HOUSING BELOW MINIMUM THICKNESS. MFG DEFECT. BAD FROM STOCK. REMOVED AND REPLACED.SDR HEEA0016076Link · wornTAIL ROTOR LINK HAS WORN BEARINGS.SDR HEEA0016075Link · wornTAIL ROTOR LINK HAS WORN BEARINGS.SDR HEEA0016054Rod · wornWORN ROD END BEARINGS. SERIAL NUMBERS REMOVED ARE PMA33051 AND PMA1403.SDR HEEA0016015Rod · wornBEARINGS WORN ON PITCH CONTROL. SERIAL NUMBERS REMOVED ARE S2294 AND M210.SDR HEEA0015974Link · wornWORN BEARINGS ON TAIL ROTOR LINK.SDR HEEA0015973Link · wornWORN BEARINGS ON TAIL ROTOR LINK.SDR HEEA0015971Link · wornWORN BEARINGS ON LINK.SDR HEEA0015970Link · wornWORN BEARINGS ON LINK.SDR 98ZZZX3870Control Cable · looseUPON LIFTING THE HELICOPTER INTO A HOVER, SUBMITTER NOTICED IT WAS IMPOSSIBLE TO CONTROL THE SWING OF THE TAIL EVEN WHILE HOLDING THE PEDALS STILL. DISASSEMBLED THE TAIL BOOM AND REMOVED THE TAIL ROTOR PUSH/PULL CABLE. FURTHER INSPECTION REVEALED .50 INCH OFSDR HEEA0015794Link · wornFOUND LINK BEARING WORN.SDR HEEA0015716Rod · wornROD, PITCH CONTROL HAS WORN BEARINGS.SDR HEEA0015715Rod · wornROD, PITCH CONTROL HAS WORN BEARINGS.SDR HEEA0015608Control Rod · failedCYCLIC DOES NOT MOVE AFT WHEN BEEPING AFT.SDR HEEA0015540Bellcrank · chafedBELLCRANK CHAFED BEYOND LIMITS. SCRAPPED BELLCRANK AND REPLACED WITH SERVICEABLE PART.SDR HEEA0015539Support · corrodedSUPPORT HAS CORROSION AND PITTED BEYOND LIMITS. REPLACED WITH SERVICEABLE SUPPORT.SDR HEEA0015412Rod · wornWORN BEARINGS FOUND ON ROD, PITCH CONTROL.SDR HEEA0015227Bearing · wornWORN BEARINGS ON TAIL ROTOR LINK.SDR HEEA0015226Bearing · wornWORN BEARINGS ON TAIL ROTOR LINK.SDR HEEA0015216Link · wornTAIL ROTOR LINK WORN.SDR HEEA0015200Bearing · wornSPHERICAL BEARING HAS WEAR IN IT.SDR 98ZZZX3263Diverter Plate · wornFOUND BUSINGS FOR NOTAR CENTER BELLCRANK WORKING IN DIVERTER PLATE.SDR HEEA0015184Trunnion · wornTRUNNION WORN, ALSO SEAL P/N B56-40-2 LEAKING AND BOOT P/N 406-312-106-101 DETERIORATED DUE TO OIL SATURATION.SDR HEEA0015172Rod · wornPITCH CONTROL ROD HAS WORN BEARINGS.SDR HEEA0015171Rod · wornPITCH CONTROL ROD BEARINGS WORN.SDR HEEA0015169Rod · wornPITCH CONTROL ROD HEAVILY WORN.SDR HEEA0015168Rod · wornPITCH CONTROL ROD, WEAR IN BEARING.SDR HEEA0015164Rod · wornPITCH CONTROL ROD WORN BEYOND LIMITS. SERIAL NUMBERS REMOVED ARE S1317 AND S11117.SDR HEEA0015079Bellcrank · wornBELLCRANK ASSY HAS WORN BEARING BORE HOLE.SDR AU980770Control Rod · worn(AUS) TAIL ROTOR CONTROL ROD RUBBING ON `POP' RIVET TAIL. THE RIVET HAD BEEN INSTALLED SOME TIME IN THE PREVIOUS TWO YEARS TO SECURE A BRACKET UNDER THE TAIL BOOM FOR SECURING THE STATIC SYSTEM TUBE. PART TOTAL CYCLES: 161.
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