As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) UN-COMMANDED AUTO-FEATHER OCCURRED DURING INITIAL CLIMB. ENGINE WAS SUBSEQUENTLY SHUT DOWN AND AIRCRAFT RETURNED TO POINT OF ORIGIN, WHERE A SAFE LANDING WAS ACCOMPLISHED, CUSTOMER ENGINEERING REQUESTED THE TSCU FOR FURTHER INVESTIGATION.