As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 AUTOFEATHER FAILED TEST FOR DAILY SYSTEM CHECK. REMOVED FROM SERVICE. PERFORMED OPS TEST OF THE PROP AUTOFEATHER SYSTEM IAW Q400 AMM 61-20-00-710-810. OPS TEST PASSED. NO FURTHER DEFECTS NOTED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.