What was found
THE RT ENGINE PROPELLER MOUNTING FLANGE HAD PITTING INSIDE THE MOUNTING BOLT HOLES. DISCREPANCY FOUND DURING SCHEDULED PROPELLER MAINTENANCE. REPLACED THE RT ENGINE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE RT ENGINE PROPELLER MOUNTING FLANGE HAD PITTING INSIDE THE MOUNTING BOLT HOLES. DISCREPANCY FOUND DURING SCHEDULED PROPELLER MAINTENANCE. REPLACED THE RT ENGINE.