What was found
MAIN ROTOR SERVO HAD THE NR 2 CRANK BOLT INSTALLED LOOSELY. ON DISASSEMBLY OF THE SERVO, PLASMA COATING WAS DISCOVERED IN ALL INTERNAL LOCATIONS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MAIN ROTOR SERVO HAD THE NR 2 CRANK BOLT INSTALLED LOOSELY. ON DISASSEMBLY OF THE SERVO, PLASMA COATING WAS DISCOVERED IN ALL INTERNAL LOCATIONS.