JASC 6710
Service difficulty reports · 1,151
Reports filed under 6710 · Main Rotor Control, 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 = '6710' 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 = '6710' 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 97ZZZX2158Pitch Link · wornPITCH LINK WORN BEYOND SERVICEABLE LIMITS. EXCESS BEARING PLAY CAUSING AIRFRAME VIBRATION. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR HEEA968812Actuator Rotary · inoperativeACTUATOR ROTARY INOPERATIVE. CYCLIC LATERAL FORCE TRIM DOESN'T HOLD WHEN FORCE TRIM IS ON.SDR HEEA968713Actuator Rotary · failedCYCLIC STICK DOES NOT MOVE ATT MODE.SDR HEEA968712Actuator Rotary · bindingROTARY ACTUATOR UNIT IS BINDING.SDR 97ZZZX556Bracket · ears crackedINSP FOUND FWD MOUNTING EARS CRAKCED ALL THE WAY ACROSS TOP AND BOTTOM OF THE CYCLIC LATERAL PITCH IDLER BELLCRANK BRACKET. TT 870 HRS. LOCATED UNDER CENTER SEAT.SDR HEEA968543Control Rod · corrodedCORROSION BEYOND LIMITS ON COLLARS AND ON INTERIOR OF COLLARS. REPLACED WITH SERVICEABLE CONTROL TUBE.SDR HEEA968540Control Rod · corrodedEXCESSIVE CORROSION ON CONTROL TUBE WHICH WAS COVERED BY HEAT SHRINK. SCRAPPED TUBE AND REPLACED WITH SERVICEABLE TUBE.SDR HEEA968533Tube Assy · crackedFOUR EACH CRACKS AT CLEVIS END OF TUBE APPROXIMATELY 1/2" TO 3/4" LONG. REPLACED WITH SERVICEABLE TUBE.SDR HEEA968408Actuator Assy · defectiveACTUATOR ASSY WOULD NOT COMPLETE TEST.SDR HEEA968402Tube Assy · mis mfgUNDER CUTS ON TUBE FOR ATTACHMENT TO ELBOW ASSY (P/N 206-001-150-101) USING BOLTS (2 EACH AN4-17A) TOO SHALLOW, NOT ALLOWING BOLT PENETRATION. TUBE REMOVED FROM AIRCRAFT REPAIRED LOCALLY.SDR HEEA968401Washer · mis lubedSLIDING LUBRICATED SURFACE ON ONE SIDE OF THRUST WASHER UNEVENLY APPLIED.SDR 96ZZZX5614Trim Switch · intermittentWHEN TRIM SWITCH WAS RELEASED FROM AFT POSITION, FORWARD TRIM STARTED TO RUN AWAY, SWITCH INTERMITTENT.SDR 97ZZZX1336Strap Assy · crackedCYCLIC CENTERING STRAP ASSY CRACKED.SDR 96ZZZX5175Relay · stuck contactsPOINTS IN RELAY FUSE TOGETHER CAUSING RUNAWAY TRIM ACTION RESULTING IN UNCONTROLLED ATTITUDES OF ACFT. REQUIRES TWO PILOTS ON CYCLIC TO OVERRIDE AND LAND ACFT. RELAY MFG (SIEMENS) HAS INDICATED THIS MAY NOT BE THE CORRECT RELAY FOR THIS APPLICATION. INSTALLSDR HEEA967789Tube Assy · corrodedPART IS CORRODED. (CORROSION OCCURING UNDER NYLATRON SLEEVES ON ENDS WHERE BONDING STARTS. REPLACED WITH SERVICEABLE TUBE.SDR 96ZZZX4871Switch · malfunctionTRIM SWITCH IS INTERMITTENT. PILOT REPORTS CYCLIC WAS VERY STIFF IN THE FORE/AFT DIRECTION. REPLACED SWITCH, STICK FORCE IS GONE, WORKS AS IT SHOULD. THIS SWITCH IS A CHRONIC PROBLEM, TOO LIGHT DUTY FOR THIS APPLICATION.SDR HCMA9646Servo · defectiveSERVO IS SEEPING BEYOND LIMITS. REPLACEMENT PART IS ON ORDERSDR 96ZZZX4278Switch · failedPILOT REPORTED NO TRIM IN FORE/AFT DIRECTION. DURATION OF FLIGHT HAD TO FIGHT HIGH FORE/AFT STICK FORCES. SUBMITTER STATED A COMMON PROBLEM, SWITCH IS TOO LIGHT-DUTY FOR APPLICATION.SDR HEEA967634Grip · damagedTHREADS ON PITCH HORN BORE ARE TO DAMAGED TO ACCEPT NEW THREAD INSERT. ALSO REPLACE BLADE BOLT BUSHING AND DRAG BRACES BUSHING AND INSTALL BUSHING IN PITCH HORN BORE.SDR 96ZZZX4718Switch · sticksSWITCH STICKS IN LEFT POSITION. RESULTS IN BURNT TRIM MOTOR (ELECTRICALLY) INOPERATIVE. SWITCH PLATING COMES OFF AND BONDS TRIGGER.SDR 96ZZZX4281Switch · stickingSWITCH STICKS IN ALL POSITIONS AFTER 1 HOUR OF FLIGHT. IN-FLIGHT CAUSES TRIM TO RUN AWAY OR BURN UP TRIM MOTOR. SWITCH PLATING COMES OFF AND BINDS TRIGGER.SDR 96ZZZX4839Guide Assy · failedPILOT EXPERIENCED SWITCH OVER TO SYSTEM 2 HYDRAULICS DURING FLIGHT. AIRCRAFT LANDED. RESET TO SYSTEM 1. SYSTEM SWITCHED TO NR 2. TROUBLESHOT AND FOUND SWITCH IN 10DB4 GUIDE ASSY SHORTED. GUIDE ASSY HAD LOTS OF MOISTURE UNDER COVER. GUIDE ASSY REPLACED. SDR 96ZZZX4277Switch · defectivePILOT'S CYCLIC TRIM SWITCH FREQUENTLY BECOMES INTERMITTENT. PILOT FIRST REPORTS A STIFF CYCLIC. SOMETIMES TRIM RUNS AWAY IN ANY ONE OF FOUR DIRECTIONS. THIS CAUSES MUCH STICK FORCE. FLIGHT MUST BE TERMINATED DUE TO FATIGUE. RETURN TO HOME BASE. AVERAGE LSDR HEEA967585Bellcrank Assy · defectiveBEARING BORES WHERE BEARING P/N MS27641-5 ARE INSTALLED ARE MISALIGNED AND BOLT MUST BE HAMMERED IN AND IS SCORED WHEN INSTALLED.SDR 96ZZZX4257Actuator · failedSTROKE ADJUSTMENT ON ACTUATOR ASSY INOPERATIVE. INTERNAL MECHANISM FELL APART. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.SDR CA960712105Adapter · cracked(CAN) DURING EDDY CURRENT INSPECTION (MIZ-20A) OF #5 SYNCH SHAFT ADAPTER AS PER BV AD82-11-05, A CRACK IN THE KEY SLOT WAS DETECTED. A SUBSEQUENT DYE PENETRANT INSPECTION REVEALED NO FURTHER CONFIRMATION OF SUSPECTED CRACK. COMPONENT WAS REMOVED FROM AIRCRAFT SDR AU961002Locating Tab · broken(AUS) COLLECTIVE JACKSHAFT LOCATING TAB BROKEN ALLOWING JACKSHAFT TO FLOAT AND THE MAIN ROTOR REAR CONTROL PUSH-PULL TUBE TO CONTACTTHE LOWER FAIRING FRAMESDR CA960729014Actuator · failure(CAN) AFTER STARTING THE ENGINE, THE PILOT WAS UNABLE TO RAISE THE ROTOR RPM ABOVE 90 PERCENT NR. THERE WAS NO BEEP TRIM RANGE AVAILABLE AND THE ENGINE WAS SHUT DOWN. ON INSPECTION, FOUND THE INTERNAL STOP OF THE LINEAR ACTUATOR HAD FAILED AND THE SHAFT WAS SDR 96ZZZX5176Relay · stuck contactsPOINTS IN RELAY FUSE TOGETHER CAUSING RUNAWAY TRIM ACTION RESULTING IN UNCONTROLLED ATTITUDES OF AIRCRAFT. REQUIRES BOTH PILOTS ON CYCLIC TO OVERRIDE. RELAY MFG HAS INDICATED THIS IS NOT THE CORRECT RELAY FOR THIS APPLICATION. INSTALLED NEW RELAY PER MM.SDR AU960693Bolt · missing(AUS) COLLECTIVE CONTROL SYSTEM YOKE P/N A205-1 HAD BOLT, JOURNALS, WASHERS AND NUTS MISSING - ITEMS FOUND IN AREA OF BELLY PANELSDR HEEA967218Actuator · malfunctionROTARY ACTUATOR INOPERATIVE. BINDING CYCLIC STICK AND NOT RELEASING FULLY WITH FORCE TRIM ON.SDR HEEA967217Actuator · stickingROTARY ACTUATOR NOT RELEASING INTERMITTENTLY.SDR HEEA967200Actuator Assy · defectivePISTON HARD TO MOVE WITH BRAKE UNLOCKED. IN MONITOR TEST, PISTON EXTENDS PARTIALLY.SDR HEEA967196Actuator Assy · defectiveMONITOR TEST MALFUNCTION MOTOR OR MAG BREAK DRAGGING.SDR HEEA966880Cylinder · bindingCYCLIC HAS BINDING DURING LANDING. FOUND PILOT VALVE PIVOT BOLT TIGHT (TOP)SDR HEEA966859Case Assy · bushing wornWORN INBOARD IDLER LINK LUG BUSHINGS.SDR ERAA96213Control Rod Assy · scoredNEW PITCH LINK ASSY THAT HAS SCORING ON SHAFT.SDR HEEA966803Actuator · defectiveUNABLE TO BEEP DUAL ENGINE RPM UP OR DOWN.SDR CA960502014Cyclic Tube · cracked(CAN) DYE PENETRANT INSPECTION REVEALED A SMALL CRACK IN UPPER MOUNTING BOLT SLOT. R/H SIDE OF OUTER TUBE.SDR AU960237Bracket · broken(AUS) COLLECTIVE CONTROL SYSTEM BRACKET BROKEN - SUSPECT FAILURE INITIATED DUE TO INCORRECT ASSEMBLY AND LOCKING OF THE EYE END WHICH PASSES THROUGH THE BRACKETSDR HEEA966721Actuator · defectiveSTROKE ADJUSTMENT WAS NOT CONSTANT AND WOULD NOT ADJUST TO MINIMUM RANGE.SDR HEEA966668Collective Stick · crackedTHROTTLE GRIPS ON COPILOTS COLLECTIVE STICKS ARE CRACKED AROUND SET SCREW AREA. PARTS NEEDED 1 UPPER GRIP ASSEMBLIES 1 LOWER GRIP ASSEMBLY. SENT TO MCDONNELL DOUGLAS...THEIR PROPERTY BEING RETURNED.SDR HEEA966667Collective Stick · crackedTHROTTLE GRIPS ON PILOT AND COPILOTS COLLECTIVE STICKS ARE CRACKED AROUND SET SCREW AREA AND THE LOWER GRIP ON PILOTS STICK IS BROKEN COMPLETELY FREE. THROTTLE GRIP MOVES BUT FMV LINKAGE DOES NOT. PARTS NEEDED 2 UPPER GRIP ASSEMBLIES 1 LOWER GRIPASSEMBLY.SDR HEEA966666Collective Stick · defectiveTHROTTLE GRIPS ON PILOT AND COPILOTS COLLECTIVE STICKS ARE CRACKED AROUND SET SCREW AREA AND THE LOWER GRIP ON PILOTS STICK IS BROKEN COMPLETELY FREE. THROTTLE GRIP MOVES BUT FMV LINKAGE DOES NOT. PARTS NEEDED 2 UPPER GRIP ASSEMBLIES 1 LOWER GRIPASSEMBLY.SDR CA960312011Cyclic Stick · worn(CAN)AN INSPECTION OF THE LOWER END OF THE CYCLIC STICK REVEALED MECHANICAL DAMAGE GREATER THAN ALLOWABLE LIMIT.SDR HEEA966554Actuator · defectiveROTARY ACTUATOR DEFECTIVE. BINDING IN CONTROLS. TIME SINCE REPAIR 107:05.SDR AU960082Support · cracked(AUS) MAIN ROTOR CONTROL BELLCRANK SUPPORT WEB CRACKED ON INSIDE SURFACE - CRACK IS THROUGH THE WEB ON THE SHORTER FLANGE OF THESUPPORT WHERE THE THICKNESS HAS BEEN REDUCED OUTBOARD OF THE LINKPIVOT POINT - CRACK LENGTH 25.4MM (1IN) - CRACK HAS PROPAGATED THROSDR CA960129011Bellcrank Assy · cracked(CAN)ON A ROUTINE SCHEDULED INSPECTION, A CRACK WAS FOUND IN ONE LUG OF THE BELLCRANK ASSY, (P/N 369A7301-501). AFTER REMOVAL OF THE BELLCRANK, PART OF THE LUG REMAINED ON THE BOLTS WHICH CONNECT THE CONTROL ROD (P/N 369A7011) TO THE IDLER ASSEMBLY (P/N 369N26SDR HEEA966429Actuator · inoperativeACTUATOR INTERMITTENTLY INOPERATIVE.SDR CZMA061341Switch · stuckPILOT'S CYCLIC TRIGGER SWITCH STICKING IN THE ICS POSITION. REPLACED DEFECTIVE SWITCH.
Back to JASC 6710