As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH, THE ENGINE WAS FOUND NOT TO RESPOND THE THROTTLE LEVER INPUT. THE PILOT ENGAGED THE FUEL CONTROL MANUAL OVER-RIDE AND REGAINED AUTHORITY OVER THE ENGINE. P&WC WILL MONITOR THE INVESTIGATION OF THE INCIDENT AND WILL ADVISE OF ROOT CAUSE ONCE ESTABLISHED.