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 HEEA072441Bushing · wornBUSHINGS AND ROD ENDS WORN. REPLACED WITH SERVICEABLE PART.SDR HEEA072113Control Unit · damagedCAUSES PEDAL STOP TO ENGAGE INTERMITTENTLY WITHOUT ELECTRICAL OR MECHANICAL INPUT.SDR HEEA072038Link · wornMAIN ROTOR VIBRATION. REPLACED WITH SERVICEABLE ASSY.SDR HEEA072021Link · wornWORN BEARING. REPLACED WITH SERVICEABLE ASSY.SDR HEEA072020Link · wornWORN BEARING. REPLACED WITH SERVICEABLE ASSY.SDR HEEA071938Link · wornBEARINGS WORN. REPLACED WITH SERVICEABLE PART.SDR HEEA071937Link · wornBEARINGS WORN. REPLACED WITH SERVICEABLE PART.SDR HEEA071936Link · wornBEARINGS WORN. REPLACED WITH SERVICEABLE PART.SDR HEEA071935Link · wornBEARINGS WORN. REPLACED WITH SERVICEABLE PART.SDR 20010319CW007Control Cable · bindingWHILE PILOT WAS FLYING ON TOUR FLIGHT, NOTICED THAT TAIL ROTOR CONTROL PEDAL STUCK. PILOT MADE A PRECAUTIONARY LANDING. INSPECTED AIRCRAFT, FOUND THAT TAIL ROTOR CABLE WAS BINDING . REMOVED AND REPLACED TAIL ROTOR CABLE. COMPLIED WITH OPERATIONAL CHECK ANSDR KBMA88703Pitch Link · crackedTAIL ROTOR PITCH LINK CRACKED AT SILENT BLOCK.SDR R7MR33264Bearing · wornTHRUSTER BEARING RACE, WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR KBMA88585Bushing · crackedBUSHING CRACKEDSDR KBMA97421Link · damagedPITCH CONTROL LINK EXCEEDS INSPECTION CRITERIA.SDR R7MR32643Rod · wornPITCH CONTROL ROD WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR LV6A95130Rod · brokenCLAMP BROKE DUE TO EXCESSIVELY TIGHT ROUTING AND WHEN CLAMP BROKE, IT ALLOWED THE FCU CABLE THAT IT WAS RETAINING TO SNAP AGAINST ROD AND RADICALLY CHAFE INTO TUBE. THE CABLE ROUTING AND TIEING WAS BY MANUFACTURING.SDR 20010206CW009Servo · crackedCRACK DETECTED ON LOWER END OF SERVO BODY ABOVE END CAP. EDDY CURRENT TESTING.SDR 20001215SH022Accumulator · leakingACCUMULATOR LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)SDR 20001101SH030Tube · damagedFOUND DURING SCHEDULED INSPECTION, MECHANICAL DAMAGE FROM AFT BOLTHEAD AT AFT BELLCRANK. REPLACED WITH NEW CONTROL TUBE FROM BELL HELICOPTER.SDR 20001106SH085Control Rod · chafedPILOT REPORTED, DURING THROTTLE ADVANCE ON RUN-UP, A LOUD RUMBLING NOISE AND SEVERE VIBRATION STARTED ABRUPTLY AS TORQUE APPROACHED 40 PERCENT TORQUE. INSP OF ALL SYS BY MECH FOUND NO PROBLEM AREA. TWO SUBSEQUENT RUNS PRODUCED NO REPEAT OF PROBLEM THIRD RUN,SDR 20001215SH039Rod · wornPITCH CONTROL ROD WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)SDR 20001107SH024Sleeve · wornSLEEVE, NOTAR FAN HUB, WORN BEYOND SERVICEABLE LIMITS. REPLACED 13 EACH WITH NEW UNIT, CORRECTED PROBLEM. (X)SDR 20001107SH023Bearing · wornBEARING RACE, THRUSTER, WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)SDR CA000925030Pitch Link · cracked(CAN) CRACK DISCOVERED DURING DAILY INSPECTION. (X)SDR 20000925SH007Pitch Slider · corrodedDURING REMOVAL OF NO TAIL ROTOR (NOTAR) FAN BEARING, DISCOVERED THE FAN PITCH SLIDER, P/N 500N5367-3, AND FAN SUPPORT SHAFT, P/N 500N5357-11, HAD PITTING CORROSION. A NEW SUPPORT SHAFT AND SLIDER WERE INSTALLED. WITH NEW PARTS INSTALLED, A CONDITION OF EXCESSDR 20001026SH022Rod · wornPITCH CONTROL ROD WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)SDR 20001030SH025Rod · wornROD, PITCH CONTROL WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)SDR 20001101SH020Bearing · brinelledMAJOR BRINELLING ON INNER AND OUTER RACE. AIRCRAFT WAS REPORTED TO HAVE LOST TAIL ROTOR CONTROL IN-FLIGHT. NO INJURIES OR MAJOR DAMAGE. (X)SDR 20001215SH036Rod · wornPITCH CONTROL ROD WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)SDR CA001205005Washer · missing(CAN) WHEN INVESTIGATING EXCESSIVE PLAY OF THE PILOTS PEDAL ADJUSTMENT, IT WAS NOTED THAT MISSING AND INCORRECT PARTS EXISTED. B0500-26 WASHERS WERE MISSING FROM THE ASSEMBLY AND THE TIE BOLT HAD ALMOST 1/4 OF END PLAY. (NOTE: PARTS ON ORDER.)SDR 20000919SH002Bearing · wornDIVITS RESULTING FROM BEARING WEAR BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)SDR CA000530011Bearing · rough(CAN)WHILE PERFORMING AN INSPECTION OF THE TAIL ROTOR PITCH CHANGE SPIDER BEARINGS FOR ROUGHNESS, DRAG AND TORQUE, (AWD 1999-085-076(A)R2). IT WAS DISCOVERED THAT BEARING WAS VERY ROUGH AND RATCHETY. THE AWD IS A REPETITIVE AWD FOR EVERY 50 HOURS. MANUSDR 20000801SH019Rod · wornROD, PITCH CONTROL WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)SDR CA000614011Pitch Link · unsafetied(CAN) DURING MAINTENANCE, PERFORMED BELOW THE ENGINE PAN, A TAIL ROTOR FLIGHT CONTROL BOLT WAS FOUND UNFASTENED. T/R ANTI-TORQUE CONTROL TUBE (ITEM NR 21, 206 IPC FIG.67-2) REAR ATTACHMENT BOLT FOUND WITH NUT BACKED OFF, NO COTTER PIN INSTALLED. AIRCRAFT GROSDR 20000605SH004Control Rod · wornPITCH CONTROL ROD WORN BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (X)SDR CA000518013Pitch Link · unserviceable(CAN) DURING A TAILROTOR (T/R) GEARBOX CHANGE,THE T/R PITCH CHANGE BELLCRANK WAS FOUND DAMAGED. THE DAMAGE WAS CAUSED FROM THE SAFETY WIRE CHAFING NEAR THE PIVOT BEARING. SAFETY WIRE IS FASTENED TO PIVOT BEARING STUD FROM THE T/R GEARBOX.SDR 20000503SH049Control Cable · twistedDURING PRE-FLIGHT INSPECTION OF PEDAL CONTROLS, AN ABNORMAL ''SNAPPING'' NOISE WAS HEARD COMING FROM THE MID-SECTION OF THE AIRCRAFT. FURTHER INSPECTION OF CONTROL RODS, SPLITTER ASSY, AND CONTROL CABLE ASSY WAS CONDUCTED. THE FWD CONTROL CABLE WAS FOUND TWISDR 20000505SH034Swashplate · bindingINTERMITTENT T/R PEDAL BINDING. (X)SDR 20000511SH001Pitch Link · wornTAIL ROTOR PITCH CHANGE ROD REMOVED DUE TO WEAR ON SPHERICAL BEARING IAW AD 98-4-35. REMOVED 2 EACH. (X)SDR 20000515SH001Housing · undersizeCRACK DETECTED ON LOWER END OF BODY AT PLUGGED PORT HOLE. UNIT NOT ASSIGNED TO ANY AIRCRAFT, VENDOR SURPLUS/EXCHANGE UNIT. POSSIBLE CAUSE: PLUG BORE UNDERSIZED TOO MUCH. CRACK OCCURRING IN PLUGGED AREA. RECURRENCE PREVENTION RECOMMENDATION: WIDEN PLUG BOSDR HEEA066543Link · wornLINK HAS WORN BEARINGS.SDR HEEA066542Link · wornLINK ASSEMBLY HAS WORN BEARINGS.SDR HEEA066541Link · out of adjBEARING BAD ADJUSTMENT END.SDR HEEA066523Link · wornLINK HAS WORN BEARINGS.SDR HEEA066521Link · wornLINK HAS WORN BEARINGS.SDR HEEA066514Link · wornLINK HAS WORN BEARINGS. SERIAL NUMBERS REMOVED ARE NHFS-4335 AND NHFS-4384. REPLACED WITH SERIAL NUMBERS NHFS-4806 (DMR NR 65602300) AND NHFS-4763 (DMR NR 65602301).SDR AU000375Spacer · corroded(AUS) TAIL ROTOR PITCH CHANGE MECHANISM SPACER SEVERELY CORRODED. A PIECE OF THE SPACER HAD FLAKED OFF AND JAMMED THE SPLINE PLATE PN 222-012-725-001 ON THE OUTPUT SHAFT SPLINES.SDR AGQA065696Swashplate · wornTAIL ROTOR PITCH CONTROL'S INNER BUSHING WORN BEYOND LIMITS.SDR HEEA065925Link · wornLINK HAD WORN BEARINGS.SDR HEEA065924Link · wornLINK HAD WORN BEARINGS.
Back to JASC 6720