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 CA100812001Rod End · leakingMFG RECEIVED REPORT OF A 430 COLLECTIVE FLIGHT CONTROL MALFUNCTION DURING PREPARATION FOR TAKEOFF. EVENT OCCURED ON GROUND. AFTER ACFT WAS SHUTDOWN A OIL LEAK WAS OBSERVED FROM THE SERVO.SDR CA100806010Servo · failedPILOT CONDUCTING SLING OPERATIONS. AFTER ABOUT 3-4 MOVES THE PILOT ENCOUNTERED SIGNIFICANT UNCOMMANDED CYCLIC FORCES PUSHING THE CYCLIC IN THE RT DIRECTION. CYCLIC FORCES INCREASED THE MORE COLLECTIVE PITCH WAS INCREASED. SLINGING OPERATIONS WERE CEASED AND TSDR CA100504011Servo · leakingSERVO FOUND LEAKING DURING INSP, REPLACED SERVICEABLE.SDR QMLA2000911140904Computer · odorPITCH AND ROLL CSAS WENT OFF LINE AND CAME BACK ON LINE. THEN SMELLED BURNING ODOR AND CSAS WENT OFF LINE AND DID NOT COME BACK ON LINE.SDR CA090918001Valve · sticking(CAN) SERVO CONTROL ISSUES HAVE BEEN RECURRING ON ALL THREE EC120S IN OUR FLEET. THE MOST COMMON PROBLEM OCCURS AFTER INITIAL START UP OF THE DAY WHEN THE PILOT DOES THE HYDRAULIC CUT OFF CHECK (THE SWITCH ON THE COLLECTIVE STICK). THE CYCLIC GOES HARD TO THE SDR CA090824005Servo · inoperativeHAD A YAW KICK.SDR CA090820003Accumulator · failed(CAN) ACCUMULATOR FAILED UPON PRE-TAKEOFF FUNCTIONAL TEST . THESE PARTS ARE ON CONDITION , NO LIFE LIMIT. (TC# 20090820003)SDR CA090812008Servo Control · malfunctioned(CAN) DURING PRE FLIGHT TEST OF HYDRAULIC SYSTEM, THE PILOT OPERATED THE TEST SWITCH ON COLLECTIVE CONROL AND THE CYCLIC CONTRO EXPERIENCED HARD OVER TO THE LEFT. TEST WAS REPEATED WITH SAME RESULT. AIRCRAFT GROUNDED AT 2330 FOR TROUBLESHOOTING IN THE MORNING.SDR CA090820006Accumulator · failed(CAN) ACCUMULATOR FAILED UPON PRE-TAKEOFF FUNCTIONNAL TEST. THESE PARTS ARE ON CONDITION, NO LIFE LIMIT. (TC# 20090820006)SDR CA090820005Accumulator · failed(CAN) CCUMULATOR FAILED UPON PRE-TAKEOFF FUNCTIONAL TEST. THESE PARTS ARE ON CONDITION, NO LIFE LIMIT (TC# 20090820005)SDR UPX2009F00004Control Servo · leakingON STARTUP FOR A FLIGHT, MECHANIC NOTICED LARGE PUDDLE OF HYD FLUID UNDER FUSELAGE. CLOSER INSPECTION REVEALED THE LT CYCLIC SERVO WAS LEAKING A LARGE AMOUNT OF HYDRAULIC FLUID. THE LEAK WAS SEVERE ENGOUGH THAT IT COULD HAVE RESULTED IN A LOSS OF HYD PRESSURSDR CA090422008Pilot Valve · leaking(CAN) LEAKING PILOT VALVE.SDR CA090820004Accumulator · failed(CAN) ACCUMULATOR FAILED UPON PRE-TAKEOFF FUNCTIONAL TEST. THESE PARTS ARE ON CONDITION, NO LIFE LIMIT. (TC# 20090820004)SDR CA090121011Servo · leakingDURING THE REPLACEMENT OF THE AUX FUEL PUMP, IT WAS NOTED THAT THE SERVO LEAKING. SERVO WAS REPLACED AND NO FURTHER ISSUES WERE NOTED.SDR CA081222008Servo · unknown(CAN) SOLID RESISTANCE FELT WITH AFT CYCLIC MOVEMENT DURING OPERATIONS WITH FORCE TRIM ON & UTILIZING CYCLIC TRIM RELEASE SWITCH. ON FIRST OCCURRENCE RESISTANCE RELEASED WITH A FIRM BUMP & FAULTY LT CYCLIC TRIM RELEASE SWITCH SUSPECTED HOWEVER WITH SECOND OCCSDR CA081024005Servo · leaking(CAN) SERVO LEAKING FROM PILOT VALVESDR CA081024004Servo · leaking(CAN) SERVO LEAKING FROM PILOT VALVESDR M7KA0825084313Pickup · intermittentPILOT REPORTS THAT HE HAD INTERMITTENT LOW ROTOR RPM WARNING SIGNALS WITH NORMAL ROTOR SPEED INDICATIONS. THE MAGNETIC PICKUP HAD A LOW ROTOR WARNING CIRCUIT COB. CONTINUITY PROBLEM. A NEW SENSOR WAS INSTALLED AND NO FURTHER DEFECT WAS REPORTED. SUGGEST A MORESDR CA080717005Servo · malfunctioned(CAN) ON A EUROCOPTER AS350 B2 DURING HYDRAULIC TEST PROCEDURES FOR FIRST FLIGHT OF THE DAY THE PILOT ENCOUNTERED THE CYCLIC BEING DRIVEN HARD OVER TO THE LT STOP. DURING TROUBLESHOOTING THIS PROBLEM WAS NOT EASILY REPEATABLE EVERYTIME THE TEST WAS COMPLETED.SDR CA080728010Pilot Valve · chattering(CAN) ACFT ENCOUNTERED VIBRATION, FELT THROUGH FLIGHT CONTROLS. VIBRATION WORSENED RAPIDLY DURING RETURN TO BASE. UPON ARRIVAL TO BASE, ENGINEER INSPECTED ACFT AND FOUND LT CYCLIC SERVO PILOT VALVE TO BE CHATTERING EXCESSIVELY, CAUSING UNCOMMANDED CYCLIC INPUTSDR CA080530001Servo · loose(CAN) DURING A POST-FLIGHT INSP, MECHANIC FOUND MOVEMENT BETWEEN THE FORK AND PISTON. THE PRIMARY SERVO WAS REPLACED. AFTER DISASSEMBLY AT REPAIR STATION, IT WAS DISCOVERED THAT THE MOVEMENT WAS CAUSED BY THE BREAKDOWN OF A LAMINATED REPAIR SHIM INSTALLED BETSDR CA080530003Servo · worn(CAN) STIFF FLIGHT CONTROLS IN ALL RANGE OF TRAVEL, IN HOVER, CRUISE, LANDING.SDR CA080513008Servo · leaking(CAN) DURING INSPECTION FOUND THE LT FWD SERVO LEAKING. (TC NR 20080513008)SDR CA080219002Servo · malfunctioned(CAN) ALSO APPLIES TO SERVO SC5081-1 S/N 229 TSN 8917.4 TSO 2342.6 AND SERVO SC5082-1 S/N 361 TSN 5634.5 TSO 2345.1. A/C WAS APPOACHING FOR LANDING AND WHEN THE COLLECTIVE WAS REDUCED THERE WAS A VIOLENT VIBRATION, SEVERE ENOUGH TO CAUSE CONCERN ABOUT LOSS OF SDR CA080128007Servo · noisy(CAN) WORN LINKAGE AND PILOT VALVE CAUSED SERVO TO MAKE LOUD GROWLING NOISE. THIS WAS AN INTERMITTENT PROBLEM THAT COULD BE INDUCED BY CERTAIN CONTOL INPUTS. THE SOUND WAS FINALLY DETERMINED TO BE COMING FROM THE RT SERVO AND IT WAS REPLACED. THERE WERE NO CONSDR H5O2008F00000Liner · wornPILOT EXPERIENCED COLLECTIVE BOUNCE ON TAKEOFF. INSPECTION OF COLLECTIVE LINERS SHOWED SUFFICIENT AMOUNT OF LINER REMAINING IN THE WEAR AREA. WITH FURTHER INSPECTION, THE MINIMUM COLLECTIVE FRICTION WAS TOO LOW. INSPECTION ON NR 3 AND NR 6 PHASE IAW TM 55-1SDR CA071128017Servo · leaking(CAN) WHILE CARRYING OUT A 100 HOUR INSP THE FWD LT HYDR SERVO WAS DISCOVERED LEAKING. SERVO WAS REPLACED, GROUND RUN AND LEAK CHECK CARRIED OUT SERVICEABLE (TC NR 20071128017)SDR CA071127004Servo · leaking(CAN) WHILE CARRYING OUT A 100 HOUR INSPECTION THE FWD LT SERVO WAS FOUND LEAKING. THE SERVO WAS CHANGED, GROUND RUN AND LEAK CHECK CARRIED OUT WITH OUT FURTHER INCIDENT. (TC NR 20071127004)SDR 363011032007Servo · failedAIRCRAFT WAS IN STRAIGHT AND LEVEL FLIGHT 10 MINUTES FROM T/O AT 7000 FT AGL. CYCLIC STICK JUMPED TO THE STOP AT THE 3 O’CLOCK POSITION. A/C ENTERED A RT BANK (APPROX. 10 DEGREES). IMMEDIATE RECOVERY WAS MADE. FELT CONTINUOUS FEEDBACK IN THE RT QUADRANT. SLOWSDR CA071024005Servo · worn(CAN) PLAY NOTED IN CYCLIC CONTROL. ONCE INVESTIGATED THE PILOT VALVE LINKAGE ON RT CYCLIC SERVO FOUND WORN BEYOND LIMITS. (TC NR 20071024005)SDR CA071005002Servo Control · unlocked(CAN) PILOT REPORTED, WHEN PREFLIGHT HYDRAULIC TEST ACTIVATED, CYCLIC MOTORED RT. CYCLIC SHOULD STAY CENTERED DURING HYD TEST. SERVO REPLACED WITH O/H UNIT. GROUND TESTED, SERVICEABLE. AFTER REMOVAL OF SERVO, NOTICED THAT INPUT LEVER WAS SLIGHTLY LOOSE. AFTERSDR CA071004005Servo · leaking(CAN) DURING 50/100 HOUR INSPECTION HYDRAULIC SERVO FOUND LEAKING FROM PILOT VALVE.SDR CA070917001Pin · brinelled(CAN) DURING ROUTINE MAINTENANCE, FLIGHT CONTROL CHECKS REVEALED A RATCHET SENSATION DURING MOVEMENT OF SHOULDER PIN ON LT LATERAL SERVO. PIN REMOVED AND INSPECTED REVEALING INDICATIONS OF BRINELLING AND THE POSSIBILITY OF PLATING WHICH HAS BEEN ADDRESSED BY ASDR CA070917009Servo Control · leaking(CAN) M/R SERVO REMOVED FROM RT POSITION DUE TO LEAKAGE. (TC NR 20070917009)SDR HEEA116772Servo · failedDURING CRUISE, APPROX. 20 MINUTES AFTER TAKEOFF NR 1 PITCH SERVO FAILED 1E40 CAME ON. 10 MINUTES AFTER THAT THE NR 1 AHRS FAILED LIGHT CAME ON. THERE WAS NO PITCH CONTROL AVAILABLE THROUGH THE AFCS AND THERE WAS CONTINUOUS FEEDBACK IN THE PITCH AXIS. RETUSDR CA070827016Servo · leaking(CAN) DURING A 50/300 HR INSPECTION, IT WAS NOTED THAT THE AFT SERVO WAS LEAKING. SERVO WAS REPLACED AND NO FURTHER DEFECTS WERE NOTED. (TC NR 20070827016)SDR CA070213008Servo · leaking(CAN) RT LATERAL SERVO FOUND LEAKING BY ENGINEER DURING DI. SERVO REMOVED FOR REPAIR AND SERVICABLE UNIT INSTALLED. (TC NR 20070213008)SDR CA070213009Servo · leaking(CAN) SERVO FOUND LEAKING BY ENGINEER ON POST FLIGHT INSP. SERVO REPLACED WITH SERVICABLE UNIT. SERVO WAS SENT OUT FOR REPAIR. THE SERVO WAS OVERHAULED AND IS BEING SHIPPED BACK TO US FOR INSTALLATION. (TC NR 20070213009)SDR CA070118011Servo · unserviceable(CAN) DURING HYDRAULIC PRE-FLIGHT CHECK CAUSED CYCLIC TO MOVE 4-5 INCHES TOWARDS 8 O’CLOCK POSITION. SERVO REMOVED SERVICEABLE UNIT INSTALLED. SERVO SENT OUT FOR REPAIR AWAITING TEARDOWN REPORT. (TC NR 20070118011)SDR CA061228001Housing · cracked(CAN) DURING A ROUTINE DISASSEMBLY TO CORRECT SEAL LEAKAGE A CRACK WAS FOUND AT THE LEE PLUG ON THE FRONT OF THE ACTUATOR. THE CRACK EXTENDS UP TOWARDS THE SERVO VALVE (TC NR 20061228001)SDR BAQA2006008Servo · bypassingDURING START UP, AS HYDRAULIC PRESSURE INCREASED THE TAIL ROTOR SERVO WENT HARD OVER TO THE LEFT.SDR CA061011012Gland Nut · cracked(CAN) DURING THE FIRST OVERHAUL OF THREE SERVO ACTUATORS 2 WERE FOUND TO HAVE CRACKS ON THE GLAND THAT RETAINS THE PISTON SEAL. BOTH SERVO ACTUATOR GLAND ASSEMBLIES WERE CRACKED IN THE SAME AREA. (TC NR 20061011012)SDR AC2A111264Servo · warning messageIN CRUISE, FLIGHT AT 6500 FT, THE NR 2 SERVO CAUTION LIGHT CAME ON. OPENED THE SYNOPTIC PAGE AND FOUND ALL PRESSURE AND TEMPS NORMAL. HOWEVER THE 4 SERVO LIGHTS WERE YELLOW. FOLLOWED THE EMERGENCY PROCEDURES CHECKLIST AND TURNED AROUND. AFTER A FEW MINUTES TSDR CA061031003Servo · leaking(CAN) EXCESSIVE FLUID LEAKAGE. LEAKING BEYOND LIMITS (TC NR 20061031003)SDR CA060907005Actuator · failed(CAN) DURING LONG LINE SLINGING OPERATIONS, UPON APPROACHING A DROP ZONE WITH A LOAD. THE COLLECTIVE WAS RAISED TO CUSHION LANDING OF THE LOAD, THEN LOWERED TO TAKE TENSION OFF OF THE LINE. THE HELICOPTER TURNED TO THE LT AND THE RT TAIL ROTOR PEDAL WAS FOUND SDR CA060623003Servo · leaking(CAN) UPON INSPECTION THE AFT SERVO WAS FOUND TO BE LEAKING FROM THE PILOT VALVE. SERVO REPLACED WITH A SERVICEABLE UNIT. (TC# 20060623003)SDR B65A109180Actuator · wornINPUT LEVER WORN BEYOND LIMITS.SDR CA060508013Seal · leaking(CAN) SERVO FOUND TO HAVE AN EXCESSIVE OIL LEAK FROM THE UPPER SEAL. THE SERVO WAS REPLACED WITH A SERVICEABLE UNIT. THIS SERVO HAD BEEN REMOVED 109.4 HOURS BEFORE FOR A SEAL LEAK. THE SERVO WAS RETURNED AT THAT TIME TO MFG FOR REPAIR. (TC NR 20060508013)SDR KBM2006F00170Accumulator · leakingHYD ACCUMULATOR, RT LATERAL HYD SERVO ACCUMALATOR LEAKS NITROGEN, PRESSURE BACK TO THE HYD RESERVOIR. REMOVED AND REPLACED. (K)SDR KBM2006F00155Servo · leakingF/A SERVO, LEAKING FROM WEEPHOLE, REMOVED AND REPLACED. (K)
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