As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 PROPELLER IS SLOW TO UNFEATHER. REMOVED FROM SERVICE. C/W FUNCTIONAL TEST OF THE PROP TIME TO UNFEATHER PER Q400 AMM 61-20-00-720-802. UNFEATHERED IN 27 SECONDS. PROP UNFEATHER TIME GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.