As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MSO - AUTO FEATHER FAILED TO ARM ABORTED TAKEOFF AT 65 KTS. RETURN TO THE GATE. PERFORMED Q400 AMM TASK 61-20-00-710-801 AND TASK 61-20-00-710-802 CW STATIC AND ENGINE'S RUNNING, NO DEFECTS NOTED. PERFORMED SIM TAKEOFF ON TAXIWAY, AUTOFEATHER ARMED NORMALLY. RETURNED TO SERVICE. NO PARTS REPLACED.