As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YKM FLIGHT NR 2017 - UPON APPLICATION OF TAKEOFF POWER AUTO FEATHER DID NOT ARM, AUTO FEATHER SYSTEM INOP. ADJUSTED AUTO FEATHER ARMING POTENTIOMETER IAW AMM 76-10-15-820-802, FUNCTIONAL CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.