As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO FEATHER SWITCH POPPED OUT ON T/O. REMOVED FROM SERVICE. RESEATED AUTO FEATHER SW & PERFORMED OPERATION TEST OF THE PROPELLER AUTO FEATHER AND UPTREAM SYST PER Q400 AMM TASK 61-20-00-710-810-OPS CHECK GOOD.NO OTHER DEFECT NOTED. AIRCRAFT RETURNED TO SERVICE.