As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SHUTDOWN THE CREW REPORTED A LOUD "POP" WHEN MOVING THE PROP LEVER INTO THE FEATHER POSITION. IT WAS NOTED THAT THE PROPELLER DID NOT FEATHER AND THE CONTROL MOVED VERY FREELY. MAINTENANCE REMOVED AND REPLACED A BROKEN PROP GOVERNOR CONTROL CABLE.