What was found
(CAN) MAIN ROTOR DRIVE SHAFT FLEX COUPLING, PN: 350A35-1059-01. BOLT FOUND BADLY CORRODED. INSERT AT BOLT LOCATION LOOSE CAUSING SEPARATION OF FLEX PLATES.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) MAIN ROTOR DRIVE SHAFT FLEX COUPLING, PN: 350A35-1059-01. BOLT FOUND BADLY CORRODED. INSERT AT BOLT LOCATION LOOSE CAUSING SEPARATION OF FLEX PLATES.