JASC 6730

Service difficulty reports · 647

Reports filed under 6730 · Rotorcraft Servo 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 = '6730'
  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.

SDR BAQA092236Actuator · leakingACTUATOR LEAKS IN DIFFERENT POSITIONS. HARDCARD ENCLOSED. REPLACED WITH SERVICABLE UNIT. 03/24/2004Mar 10, 2004 · N136MH · Urocop EC135T1SDR KBM2004F00024Bearing · wornLT LAT SERVO UPPER AND LOWER ROD END BALL, WORN. REMOVED AND REPLACEDMar 4, 2004 · N115SH · Snias AS350B2SDR BAQA091987Actuator · leakingACTUATOR SHAFT SEAL LEAKING. HARDCARD ENCLOSED. REPLACED WITH SERVICABLE UNIT. 03/17/2004Mar 3, 2004 · N135MH · Urocop EC135T1SDR ALG2004F00010Servo · bindingWHILE PICKING UP TO A HOVER. FIRST FLIGHT OF THE DAY, WHILE PICKING UP TO A HOVER FELT BINDING IN CYCLIC. SET AIRCRAFT DOWN AND CHECKED FRICTION AND HYDRAULIC SWITCH, MADE SECOND ATTEMPT TO PICKUP TO A HOVER WITH SAME STIFFNESS IN CYCLIC. SHUTDOWN AND NOTIFFeb 29, 2004 · N198H · Bell 206BSDR CA040304003O-Ring · failed(CAN) HAD A HARD OVER CYCLIC PROBLEM WITH AN ENGINE, THE AIRCRAFT WAS EQUIPPED WITH MFG SERVOS. HAD THIS PROBLEM AT 30 DEGREES C TO -15 DEGREES C (OUTSIDE TEMPERATURE), NO DIFFERENCE. BOLT LATERAL SERVOS WAS DUE FOR OVERHAUL, SEND SERVOS FOR OVERHAUL AND REINSFeb 25, 2004 · Snias AS350BASDR BAQA093670Shaft · failedACTUATOR FAILED OUT OF BOX. LAST REPAIR 8-080019-83, SHAFT ON ACTUATOR IS ONLY MOVING ONE INCH IN EITHER DIRECTION AND THEN LOCKING UP. REPLACED WITH UNIT FROM ASSET.Feb 22, 2004 · N117KC · Bolkms BK117B2SDR AUS20040113Servo · faulty(AUS) TAIL ROTOR SERVO FAULTY. INVESTIGATION FOUND ALTHOUGH FULL TAIL ROTOR PEDAL CONTROL WAS AVAILABLE, THE ACTUATOR GAVE LIMITED OUTPUT.Feb 19, 2004 · Snias AS350BSDR KBM2004F00020Servo · bindingFORWARD AND AFT SERVO BINDING, REMOVED AND REPLACED.Feb 7, 2004 · N215LA · Snias AS350B1SDR HEEA093481Pressure Switch · inoperativeIB TO GRAND ISLE THE NR 1 SERVO CAUTION LIGHT ILLUMINATED. LANDED WITHOUT INCIDENT.Jan 29, 2004 · N278X · Skrsky S76ASDR AC2A093322Servo · brokenPILOT VALVE INPUT ROD TURN BARREL HAD BROKEN RETAINING BOLT. THIS ENABLED THE BARREL TO TURN WHICH COULD ALTER THE SERVO TIMING. REPLACED MAIN ROTOR ASSEMBLY.Jan 20, 2004 · N7266K · Skrsky S76ASDR ERAA094444Servo · leakingSERVO LEAKING AND INPUT LEVER LOOSE. MAJOR SCORING ON UPPER PISTON UPPER PISTON SEVERELY SCORED, RUN OUT CHECK EXCEEDS ALL LIMITS .280. PERFORMED OVERHAUL INSPECTION TIMED AND TESTED. POST ASSEMNBLY RUN OUT CHECK .106.Jan 11, 2004 · N164EH · Bell 412SDR KBM2003F00109Ball Joint · wornFOUND FORWARD AFT SERVO LOWER BEARING WORN. REPLACE WITH NEW BEARING.Nov 30, 2003 · N37SH · Snias AS350BASDR MDR03033Housing · crackedTAIL GB AND SERVO ASSY WAS REMOVED FROM AC FOR 2ND STAGE HYD FLUID LEADING INTO THE T/R GB. T/R SERVO ASSY WAS REMOVED FROM THE T/R GB ASSY. THE HYD SHOP, REVEALED HEAVY SCORING ON EXPOSED AREA OF PISTON. ONCE PRESSURIZED TO SIMULATE OPERATION CONDITION, ATNov 18, 2003 · Skrsky S64ESDR BAQA091054Actuator · malfunctionedACTUATOR OSCILLATES WHEN ENGAGED. REPLACED WITH SERVICEABLE UNIT.Nov 12, 2003 · N117UP · Bolkms BK117C1SDR KBM2003F00092Bearing · wornEND BEARINGS WORN. REPLACED WITH NEW BEARINGS.Oct 22, 2003 · N230SH · Snias AS350BASDR KBM2003F00062Servo · bindingBINDING IN LT CYCLIC CONTROL. SUSPECTED LT SERVO BAD. REMOVED AND REPLACED WITH OVERHAULED.Oct 17, 2003 · N350SH · Snias AS350BASDR BAQA089648Actuator · wornFENESTRON ACTUATOR WORN. REPLACED WITH SERVICEABLE UNIT. 11/03/03.Oct 10, 2003 · N135MH · Urocop EC135T1SDR BAQA090072Servo · leakingSERVO IS LEAKING. PART ON AIRCRAFT FOR ONLY 1.1 HOURS. REPLACED WITH SERVICEABLE UNIT.Oct 9, 2003 · N915ME · Aerosp AS365N2SDR BAQA089260Servo · leakingSERVO LEAKING. EXCESSIVE PLAY AT CONTROL ARM. REPLACED WITH SERVICEABLE UNIT. 9/23/03Sep 22, 2003 · N915ME · Aerosp AS365N2SDR HEEA090147Servo · bindingFIVE MILES SOUTH OF MORGAN CITY STARTED HAVING TROUBLE WITH THE TRIM. LANDED AT MORGAN CITY. MAINTENANCE FOUND THE TAIL ROTOR SERVO BINDING. REPLACED SERVO.Sep 16, 2003 · N33008 · Bell 412SDR HEEA088556Servo · leakingCYCLIC SERVO LEAKING FROM PILOT VALVE. SHOP REPAIR.Aug 5, 2003 · N3893P · Bell 412SDR L2S2003F00000Servo · failedSERVO FAILED. INPUT PILOT VALVE INTERMITTENT. OPS INTERNALLY. CAUSED TAIL ROTOR CONTROL HARDER TO PUSH RIGHT THAN LEFT. SLIGHT BINDING IN TAIL ROTOR CONTROL.Jul 23, 2003 · N911KS · Bolkms BK117B1SDR BAQA088189Servo · leakingMAIN ROTOR SERVO LEAKING. REPLACED WITH SERVICEABLE UNIT.Jul 21, 2003 · N942MS · Aerosp AS355F2SDR HEEA088615Servo · damagedGOUGED PISTON. FOUND PISTON AND GLANDS SCORED. REPAIRED.Jul 19, 2003 · N7128R · Bell 412SDR 3144070703Servo · leakingMAIN ROTOR SERVO LEAKING.Jul 7, 2003 · N5226R · Snias AS350B3SDR 31440707031Servo · leakingSERVO LEAKING.Jul 7, 2003 · N5226R · Snias AS350B3SDR HEEA088068Seat · leakingCAUSING EXCESSIVE INTERNAL LEAKAGE. REPLACED WITH SERVICEABLE PART.Jul 1, 2003 · Clark 1000CLARKSDR ALGA088138Servo · malfunctionedCYCLIC SERVO HAS FEEDBACK FORWARD & AFT. TO RETURN CORE OWED. RETURNING P/N:SC5091-1 S/N:876 RO 15193Jun 29, 2003 · N513AL · Urocop EC120BSDR 3602062403Servo · leakingLT LATERAL SERVO LEAKING BEYOND LIMITS.Jun 24, 2003 · N820NA · Snias AS350B3SDR CA030703003Servo · failed(CAN) PROBLEM RETURNED WITH AIRCRAFT. HYD HAND OVER LT DURING HYD TEST. SWAPPED LATERAL SERVO'S LT TO RT AND RT TO LT. DURING TEST CYCLE WENT HAND OVER RT. THE OPPOSITE SERVO (LT HYDRAULIC SERVO) FROM PREVIOUS SDR WAS REPLACED. PROBLEM WENT AWAY. HYD SERVO IS Jun 23, 2003 · Snias AS350BSDR HEEA087793Bearing · wornMAIN ROTOR SERVO, BEARINGS WORN. SHOP REPAIR.Jun 21, 2003 · N1546G · Skrsky S76ASDR HEEA087448Servo Valve · bindingSTICKING AND BINDING UNDER PRESSURE DURING FINAL TEST OF SERVO. SENT FOR WARRANTY REPAIR.Jun 12, 2003 · Clark 1000CLARKSDR HEEA087139Servo · leakingROTOR SERVO LEAKING. REPLACED SERVO.Jun 10, 2003 · N505PH · Skrsky S76CSDR HEEA087133Pin · looseEXPANDABLE PIN FOUND LOOSE. TO BE SENT TO VENDOR FOR REPAIR.Jun 10, 2003 · N505PH · Skrsky S76CSDR CA031031008Bearing · loose(CAN) ON THE DAILY INSPECTION, THE BEARING WAS FOUND LOOSE IN THE HOUSING( MOVEMENT AXIALLY ) BECAUSE OF STAKING FAILURE. FURTHERMORE, WITH THE FREEDOM OF THE BEARING TO MOVE AXIALLY PLUS THE RADIAL STRESSES IMPOSED, THE SLEEVE BETWEEN THE BEARING OUTER RACE AJun 5, 2003 · Snias AS350BSDR HEEA086971Bearing · wornBEARING THAT RT CYCLIC CONTROL TUBE CONNECTS TO HAS EXCESSIVE RADIAL PLAY. TO BE SENT TO MFG FOR CREDIT.Jun 3, 2003 · N501PH · Bell 407SDR HEEA086970Servo · wornCYCLIC SERVO HAS A WORN BEARING. SENT TO MFG FOR CREDIT.Jun 3, 2003 · N723PH · Bell 407SDR HEEA086969Servo · wornCYCLIC SERVO HAS A WORN BEARING. TO BE SENT TO MFG FOR CREDIT.Jun 3, 2003 · N404PH · Bell 407SDR 36020602034Servo · leakingM/R PITCH SERVO LEAKING EXCESSIVLY.Jun 2, 2003 · N820NA · Snias AS350B3SDR XG3R087905Torsion Bar · corrodedPREMATURE WEAR OF LAMINATED TORSION BARS. REPLACED LAMINATED TORSION BARS DUE TO WEAR LIMITS.Jun 1, 2003 · N26LB · Urocop EC120BSDR CA030527008Servo · failed(CAN) RESISTANCE IN CYCLIC STICK LT INPUT. FLIGHT CONTROL SYSTEM INSPECTED. CYCLIC STICK FRICTION STACK UP CHECKED OK. ALL FLIGHT CONTROLS UP TO THE SERVOS CHECK OK. M/R PITCH LINKS DISCONNECTED OK. SERVO AC 67244 SWAPPED AND PROBLEM WENT TO OPPOSITE SIDE RT. May 27, 2003 · Snias AS350B2SDR HEEA086743Servo · damagedFEED BACK IN CYCLIC AND SEEP FROM BOTTOM SHAFT SEAL. TO BE SENT TO VENDOR.May 22, 2003 · N973AE · Aerosp AS355*SDR HEEA086681Bushing · wornINPUT LEVER BUSHINGS WORN AND LEAKING. REPLACED WITH SERVICEABLE PART.May 22, 2003 · N2149S · Bell 412SDR ERAA087082Servo · vibrationTAIL ROTOR SERVO HAS HIGH FREQ BUZZ IN TAIL ROTOR PEDALS WITH HYD SYSTEM TURNED ON. HAS CYLINDER WEAR, INTERNAL LEAKAGE ON PILOT VALVES REPLACED CYLINDER AND PILOT VALVES TESTED IAW CMM.May 15, 2003 · N418EH · Bell 412SDR CA030527012Servo · failed(CAN) DURING HYD TEST CYCLIC WENT HARD OVER LT WITHOUT CONTROL INPUT. WHEN HYD FLUID WAS WARM HARD OVER WAS LESS NOTICEABLE. WHEN HYD SYSTEM PRESSURE WAS DUMPED, CYCLIC WENT HARD OVER LT. HYD SERVO REPLACED, AIRCRAFT WAS RETURNED TO SERVICE.May 12, 2003 · Snias AS350BSDR AUS20030499Servo · leaking(AUS) TAIL ROTOR SERVO PISTON SEALS LEAKING. LOSS OF NO1 HYDRAULICSYSTEM FLUID.May 11, 2003 · Skrsky S76CSDR CA031120001Actuator · bent(CAN) WHILE SERVICING THE HYDRAULIC ACTUATORS BY HELICOPTER ACCESSORY SERVICE IT WAS NOTICED THAT BOTH CYCLIC AND THE COLLECTIVE ACTUATOR EXTENSIONS WERE BENT LATERALLY ON THE LONGITUDINAL AXIS. NO ACCIDENT OR INCIDENT REPORTED ON THE SUBJECT HELICOPTER.May 5, 2003 · Bell 206L4SDR ALG2003F00060Servo · inoperativeDURING LANDING THE PILOT FELT THE BINDING FORCE FROM THE CYCLIC, UPON LANDING THE PILOT FOUND THE TOP CASTLE NUT OF THE LEFT SERVO FROZEN WHICH PRODUCED BINDING, THE MECHANIC REMOVED THE SERVO BOLT AND NUT, CLEANED AND REINSTALLED. OPS FLIGHT CHECK WAS PERFORMay 1, 2003 · N5011F · Bell 206BSDR HEEA087815Sleeve · failedSLIDE AND SLEEVE CAUSING EXCESSIVE LEAKAGE AND PROOF PRESSURE DURING FINAL TEST. REPLACED.Mar 20, 2003 · N2761N · Bell 206L1SDR HEEA084796Servo · leakingMAIN ROTOR SERVO LEAKING FROM THE PILOT VALVE. REPAIRED.Feb 21, 2003 · N6559Z · Bell 412
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