As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) RT ENGINE LOST BOOST AT ALTITUDE. PILOT ELECTED TO DESCEND TO LOWER ALTITUDE. AT LOWER ALTITUDE, RT ENGINE HAD NORMAL POWER. APPROXIMATELY 20 MINUTES LATER, RT OIL PRESSURE WAS OBSERVED LOWER THAN NORMAL. ENGINE WAS SECURED AND SHUTDOWN. UNEVENTFUL SINGLE-ENGINE LANDING WAS CARRIED OUT. (TC NR 20070321002)