What was found
(CAN) DURING TAKEOFF, AN UNCOMMANDED AUTOFEATHER OCCURRED. PILOT MADE AND EMERGENCY LANDING AT DEPARTURE AIRPORT. FDR IS UNDER REVIEW BY MANUFACTURER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) DURING TAKEOFF, AN UNCOMMANDED AUTOFEATHER OCCURRED. PILOT MADE AND EMERGENCY LANDING AT DEPARTURE AIRPORT. FDR IS UNDER REVIEW BY MANUFACTURER.