As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE 800 HOUR/ 3 YEAR INSPECTION, FOUND EVIDENCE OF CORROSION BETWEEN TAIL ROTOR STATOR ARMS AND STATOR ATTACHMENT CUPS AT 5 LOCATIONS. REVEALED THIS CORROSION IS NOT REPAIRABLE AT FIELD LEVEL AND WAS DIRECTED TO SHIP TAILBOOM TO MFG FOR FURTHER EVALUATION AND REPAIR.