As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PROPELLER ASSEMBLY WAS ORIGINALLY REMOVED FROM AIRCRAFT FOR ENGINE RELATED MAINTENANCE. ONCE REMOVED, IT WAS DISCOVERED THAT THE ACTUATOR FEATHER STOP TAB HAD BEEN DISPLACED APPROXIMATELY .25 INCH. PITCH LOCK SCREW WAS REMOVED FROM SERVICE AND RETURNED TO MANUFACTURER.