As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CRUISE ,THE PILOT NOTICED FLUCTUATING MANIFOLD PRESSURE ON NR 1 ENGINE. THE ENGINE THEN LOST POWER AND BEGAN TO LOSE OIL PRESSURE. THE ENGINE WAS SECURED AND THE AIRCRAFT MADE AN UNEVENTFUL EMERGENCY LANDING. POST-FLIGHT INSPECTION FOUND TWO HOLES IN THE RIGHT SIDE OF THE CRANKCASE.