As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UDRING STRAIGHT AND LEVEL FLIGHT THE PILOT REPORTED LOW ENGINE TORQUE. THE PILOT SELECTED A LANDING SPOT AND PERFORMED AN UNEVENTFUL PRECAUTIONARY LANDING. THE AIRCRAFT WAS MOVED TO A MAINTENANCE LOCATION AND THE ENGINE WAS REMOVED FOR INSPECTION. NO CAUSE DETERMINED AT THIS TIME.