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.
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
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 CA060313007Servo · leakingSERVO WAS FOUND LEAKING FROM TOP AND BOTTOM OF CYLINDER BARREL. SERVO WAS REMOVED AND REPLACED WITH A SERVICEABLE UNIT.SDR CA060313006Servo · leakingSERVO FOUND LEAKING FROM TOP AND BOTTOM OF CYLINDER BARREL. SERVO REMOVED AND REPLACED WITH A SERVICEABLE UNIT. THE ATTACHED PHOTOS SHOW THE SERVO AREAS THAT HAVE BEEN LEAKING. THE BULK OF THE OIL HAS BEEN CLEANED OFF THE SERVO, BUT IT CAN STILL BE SEEN WHESDR KBM2006F00073Servo · leakingLAT SERVO IS LEAKING BAD AT UPPER BODY WEEP HOLE. REMOVED AND REPLACED. (K)SDR CA060302011Seal · leakingUPPER PISTON SEAL LEAKING. NEW SEAL AND O-RING INSTALLED. NO FURTHER DEFECTS FOUND.SDR CA060302010Seal · leakingLOWER PISTON SEAL WAS FOUND LEAKING. SERVO WAS REPLACED WITH A SERVICEABLE UNIT.SDR KBM2006F00070Servo · leakingLT LATERAL SERVO IS LEAKING ON UPPER WEEP HOLE. REMOVED AND REPLACED. (K)SDR HEEA107994Connector · dirtyNR 2 SERVO JAM LIGHT ILLUMINATED. COMPLIED WITH EMERGENCY PROCEDURE. HEADED BACK. ON SHORT FINAL LIGHT CAME ON AGAIN. MAINTENANCE CLEANED PRESSURE TRANSMITTER AND SERVO CONNECTORS MS3476L10-6S AND MS3476L8-33S.SDR CA060208007Servo · leaking(CAN) DURING AN INSPECTION HYDRAULIC LEAKS WAS FOUND AROUND THE FWD AND AFT SERVOS.THE RT FWD SERVO S/N 0251 AND THE AFT SERVO S/N 0667 WERE REMOVED AND NEWLY OVERHAULED ARE BEING INSTALLED. (TC NR 20060208007)SDR CA060221007Servo · failed(CAN) ON GROUND RUN: WHEN HYDRAULIC TEST PUSH BUTTON DEPRESSED AND ACCUMULATORS EMPTY, THE CYCLIC WOULD MOVE HARD TO THE LEFT. SWITCHED LT SERVO AND RT SERVO. THIS PROBLEM MOVED WITH SERVO TO THE RT SIDE. INSTALLED A NEW OVERHAUL SERVO ON THE RT SIDE WHICH SDR HEEA107919Servo · malfunctionedON LANDING AND AFTER LANDING ON OFFSHORE HELIPORT DECK, WHEN PUTTING COLLECTIVE DOWN TO FLAT PITCH, COLLECTIVE WOULD NOT STAY DOWN; EVEN WITH COLLECTIVE TRIM RELEASED AND SWITCH OFF. AFTER ATTEMPTING A NUMBER OF TIMES TO GET COLLECTIVE TO STAY DOWN THE FORCESDR CA060131004Tee Fitting · crackedWHILE IN CRUISE FLIGHT, THE PILOT FELT FEEDBACK SHOCK IN THE CYCLIC CONTROL. THE PILOT ISOLATED HYDRAULICS AND MADE AN UNSCHEDULED LANDING. MAINTENANCE CREW PERFORMED AN INSPECTION OF THE HYDRAULIC FLIGHT CONTROL SYSTEM. A TEE FITTING THE LEFT HAND SERVO ACSDR CA060123002Servo · leaking(CAN) SERVO REMOVED FROM SERVICE BECAUSE OF A HYDRAULIC FLUID LEAK. SERVO WAS INSTALLED AT THE FACTORY. (TC NR 20060123002)SDR CA060112002Servo · leakingHYDRAULIC LEAK FROM SERVO. SERVO REMOVED FOR REPAIR AND REPLACED WITH SERVICEABLE UNIT.SDR CA060109001Servo · leakingDURING DAILY INSPECTION, NOTICEABLE AMOUNT OF HYDRAULIC FLUID LEAKING FROM SERVO. GROUND RUN DETERMINED PILOT VALVE SOURCE OF LEAK. AFT SERVO REMOVED AND RETURNED TO ROBINSON HELICOPTERS FOR WARRANTY REPAIRS.SDR CA051220006Servo · inoperative(CAN) PILOT REPORTED STIFF RAPID LT MOVEMENT AND COLLECTIVE STICK RISING. AIRCRAFT TESTED ON HYDRAULIC BENCH AND WE FOUND THAT LT SERVO WAS SLOWER TO RETRACT. THE AIRCRAFT WAS OPERATING CORRECTLY AFTER AFFECTED SERVO WAS REPLACED. THIS PROBLEM WAS IMPOSSIBLESDR CA051205010Servo · contaminatedHYD SERVO WAS REMOVED FOR HYD LEAK. WHEN THE UPPER ROD-END WAS REMOVED, WATER WAS FOUND IN THE SHAFT OF THE SERVO. NO SIGNS OF CORROSION WERE NOTED. SERVOS IN THE R44 ARE MOUNTED VERTICALLY, AND UNLIKE OTHER HELICOPTERS WITH VERTICAL SERVOS, THE UPPER ROD ESDR CA051205009Servo · leakingTWO SERVOS REMOVED. BOTH INSTALLED NEW AT THE FACTORY WITH THE SAME TIME ON THEM. BOTH SERVOS LEAKING HYDRAULIC FLUID FROM THE PILOT VALVE.SDR KBM2005F00327Servo · leakingUNIT LEAKING EXCESSIVELY HYDRAULIC FLUID ON WEEPLE HOLE. REMOVED AND REPLACED. (K)SDR CA051018005Servo · leakingSERVO WAS REMOVED FROM AIRCRAFT TO REPAIR A LEAK. THE PART WAS SHIPPED TO EUROCOPTER FOR REPAIR. EUROCOPTER HAS CONTACTED US SAYING THAT THE PISTON HAD BEEN PREVIOUSLY DRESSED FOR DAMAGE, AND WAS FOUND TO BE BENT APPROX 0.032SDR CA050912002Bushing · cracked(CAN) AFTER DISASSEMBLY THIS ITEM WAS SENT FOR NDT AND WAS RETURNED WITH CRACK INDICATIONS.SDR CA050919005Servo · leaking(CAN) HYDRAULIC LEAK WAS NOTED DURING MAINTENANCE. SERVO REPLACED, NO FURTHER DEFECTES NOTED.SDR KBM2005F00169Servo · bindingSERVO/ LAT, UNIT BINDING. REMOVED AND REPLACED. (K)SDR KBM2005F00131Bearing · excess playROD END BEARING. UNIT HAS EXCESSIVE PLAY. REMOVED AND REPLACED. (K)SDR HEEA107359Servo · malfunctionedAFTER CRUISE CHECK, THE NR 1 HYDRAULIC LIGHT CAME ON; FOLLOWED CHECKLIST AND WERE UNABLE TO CLEAR LIGHT. RETURNED TO MCY FOR MAINTENANCE. REPLACED TAIL ROTOR SERVO.SDR ALG2005F00036Accumulator · malfunctionedAT HOVER FOR TAKEOFF, PICKED AIRCRAFT UP TO A HOVER 2 TIMES AND BOTH TIMES AT A STEADY HOVER, AIRCRAFT OSCILLATED FORE AND AFT WITH NO PILOT INPUT (NOSE UP AND DOWN). MAINTENANCE INSPECTED SERVO INPUTS FOR WEAR, NO DEFECTS FOUND, SERVICED SERVO CONTROL ACCUMUSDR CA050615007Servo · seized(CAN) TROUBLESHOOTING THE DEFECT, FOR HELICOPTER COMPANY.SDR CA050614005Housing · cracked(CAN) THIS UNIT WAS RECEIVED FROM THE USA FOR ROUTINE SERVICING/MAINTENACE. DURING DISASSEMBLY A CRACK WAS DISCOVERED BETWEEN THE LEE PLUG AND THE OPENING OF THE PISTON GUIDE.SDR CA050426001Actuator · faultyPILOT VALVE WOULD ONLY MOVE IN ONE DIRECTION. LIFTED UP (DUST CAP) BOOT TO LOOK AT PILOT VALVE ROD AND FOUND LOCKING MECHANISM LOOSE AND ABLE TO ROTATE. SERVO PISTON WOULD NOT MOVE IN ANY DIRECTION.SDR TXER104274Servo · leakingSERVO LEAKING.SDR KBM2005F00054Servo · leakingSERVO LEAKING. REMOVED AND REPLACED SERVO. (M)SDR CA050525001Seal · leaking(CAN) OIL LEAK REAR SEAL. OIL LEAK REPAIRED, RETURN TO SERVICE..SDR CA050314005Servo · ratcheting(CAN) WHILE IN FLIGHT THE PILOT NOTICED A RATCHETY FORE AND AFT CYCLIC MOVEMENT WHILE MOVING THE CYCLIC FORE AND AFT. SERVO SENT TO MFG FOR EVALUATION.SDR CA041209005Servo · malfunctioned(CAN) PILOT REPORTED THAT CYCLIC WAS STIFF WHEN MOVED TO LEFT AND IT WANTED TO MOVE RIGHT WHEN COLLECTIVE LOWERED (NO PROBLEMS WHEN COLLECTIVE WAS RAISED). LEFT MAIN SERVO WAS CHANGED AND DEFECT WAS CURED.SDR CA050207003Piston Rod · corrodedAPPARENT CORROSION PITS ON SURFACE OF PISTON ROD LEADING TO SMALL HYDRAULIC LEAKS, DESIGN HAS BEEN CHANGED TO REPLACE ARCOR FINISH OF PISTON ROD BY CHROME. NOTE THAT PART NUMBER OF ACTUATOR IS 109-0900-39-103 AND ORIGINAL MANUFACTURER OF ACTUATOR IS MECAER S.SDR CA041203007Line · leaking(CAN) FLUID LEAK AT UPPER HOUSING SPLIT LINE.SDR TXER099765Servo · leakingCYCLIC SERVO LEAKING.SDR CA041110016Servo · malfunctionedWHEN HYDRAULIC POWER IS RE-ESTABLISHED AFTER DOING HYDRAULIC ACCUMULATOR PREFLIGHT CHECK, THE CYCLIC STICK WOULD GO HARD LEFT, BUT WAS ABLE TO BE OVERCOME AND WOULD ONLY LAST BRIEFLY. LEFT HAND SERVO WAS REPLACED FOR TROUBLESHOOTING AND PROBLEM WAS RECTIFIED.SDR CA041022005Servo · failed(CAN) PILOT WAS DOING HIS PREFLT HYD TESTS AND THEY FAILED. AFTER TROUBLESHOOTING HYDRAULIC SYSTEM FOUND THAT ONE LATERAL SERVO WAS THE CAUSE OF THIS MOVEMENT EVEN THOUGH DURING OUR TROUBLESHOOTING THE LATERAL SERVOS WERE SWAPPED OVER BUT THE PROBLEM STAYED GSDR HCM2004F00002Servo · intermittentDURING STARTUP, THE PILOT NOTICED THAT THE CYCLIC CONTROL WAS STIFF IN THE FORE/AFT POSITION. HE ATTEMPTED TO ADJUST THE FRICTION AND FOUND IT RELEASED. THE CYCLIC CONTROL JUMPED FORWARD. AS HE PULLED BACK, HE FELT THE CONTROL APPEARED TO BE INTERMITTENT ANSDR KBM2004F00205Servo · restrictedRESISTANCE FELT WHEN APPLYING LT INPUT ON CYCLE. REMOVED DEFECTIVE SERVO AND INSTALLED UNIT, RESISTANCE IS NO LONGER FELT.SDR TXER096384Servo · bindingTAIL ROTOR SERVO IS BINDING.SDR CA040806002Servo · failedDURING HYD TESTS PRIOR TO FLTS IAW CF-2003-15R1, CYCLIC CONTROL FOUND COMPROMISED. AT 100 PERCENT NR, 'HYD TEST' SELECTED, CYCLIC TESTED FOR PROPER CNTRL MOVEMENTS ON ACCUMULATOR PRESS PRIOR TO HYD ASSIST DEPLETION. LATERAL ACCUMULATORS DEPLETED AFTER APPROX SDR CA040712005Servo Valve · cracked(CAN) DURING A ROUTINE INSPECTION A MARK WAS DISCOVERED ON THE ATTACHMENT HEAD OF THE SLIDER OF THE SERVO VALVE. THE SLIDER INSPECTED WITH LIQUID PENETRANT WHICH INDICATED THAT THE SLIDER WAS CRACKED.SDR CA040728004Servo · malfunctionedPILOT REPORTED THAT THE CYCLIC WAS STIFF IN LT QUADRANT. REPLACED THE LEFT HAND SERVO FIRST. THIS DID NOT SOLVE PROBLEM. REINSTALLED LEFT SERVO AND REPLACED RIGHT HAND SERVO. THE DEFECT WAS CORRECTED.SDR CA040805006Accumulator · unserviceable(CAN) CYCLIC OSCILLATION WHEN ACCUMULATORS BLED DOWN.SDR BAQA094575Actuator · unserviceableEXCESSIVE PLAY IN BEARING ON CONTROL ROD. REPLACED WITH SERVICABLE UNIT. 05/19/2004SDR KBM2004F00085Rod End · wornFORE/AFT SERVO LOWER ROD END HAS EXCESSIVE PLAY. REMOVED AND REPLACED.SDR KBM2004F00031Bearing · wornLOWER ROD END BEARING ON RT SERVO WORN. REMOVED AND REPLACED.SDR CA040315012Servo Valve · unserviceable(CAN) PILOT REPORTED THAT WHEN HE TRIED TO PULL THE COLLECTIVE UP, IT FELT VERY HEAVY. IT WAS NOTED DURING TROUBLESHOOTING THAT THE SPOOL VALVE WAS VERY DIFFICULT TO MOVE AND THEN IT WOULD ONLY MOVE A SMALL AMOUNT. A SERVICEABLE SERVO WAS INSTALLED AND CONSDR KBM2004F00108Servo · leakingSERVO UNIT IS LEAKING. REMOVED AND REPLACED.
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