As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) UNCOMMANDED AUTOFEATHER/IFSD DURING CRUISE, THE PROPELLER FEATHERED UNCOMMANDED. THE PILOT COULD NOT MODULATE POWER EITHER IN AUTOMATIC OR MANUAL MODE. THE ENGINE WAS SHUT DOWN AND AN UNEVENTFUL SINGLE ENGINE LANDING FOLLOWED. TROUBLESHOOTING IS ON-GOING.