As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) IN FLIGHT, NOSE CASE PLUG INSERT BLEW OUT PUMPING ENGINE OIL OVERBOARD. ENGINE WAS SMOKING AND OIL STREAMING NECESSITATED ENGINE SHUT DOWN, PROP FEATHER, AND AIRCRAFT RETURNING TO AIRPORT. NOSE CASE REPLACED WITH A SERVICEABLE UNIT.