As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT, THE PILOT REPORTED THAT THE RT ENG OIL PRESS DROPPED INTO THE YELLOW RANGE. THE PILOT REPORTED THAT THE MANIFOLD PRESS STARTED TO FLUCTUATE, AT THIS POINT THE PILOT ELECTED TO PERFORM A PRECAUTIONARY SHUTDOWN OF THE RT ENG. THE PILOT DECLARED AN EMER & LANDED WITHOUT INCIDENT. FOUND THE RT ENG HAD EXCESSIVE METAL IN THE MAIN OIL FILTER, SUSPECT THE OIL PUMP IS FAILING. THE RT ENG REPLACEMENT IS IN PROGRESS.