As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRIPPED OUT THREADS FOUND DURING MINI CHECK IN GEG: WHILE CHECKING FOR PROPER TORQUE ON THE PROPELLER BLADE ACTUATOR PIN (P/N B5072-1) ATTACHING SCREWS (P/N A-1635-159) ONE SCREW WAS UNABLE TO ACHIEVE PROPER TORQUE DUE TO STRIPPED OUT THREADS IN THE BLADE BUTT. REMOVED SCREW AND FOUND AN UNUSUAL WEAR PATTERN ON SCREW AND THREADED PORTION OF THE ALUMINUM BLADE BUTT. REPLACED PROPELLER ASSEMBLY. (S)