As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BNA - DURING PROPELLER INSTALLATION, NOTICED ONE NUT WOULD NOT TORQUE PROPERLY. FURTHER INVESTIGATION REVEALED THE PROPELLER HUB MOUNTING STUD WAS BEING PULLED OUT OF THE HUB. SUSPECTED CAUSE, FAILURE OF THE STUD THREADS IN THE HUB. INSTALLED SERVICEABLE PROPELLER. PROPELLER SN 902435 RETURNED TO OVERHAUL FACILITY FOR HUB REPAIR. (X)