As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, OIL WAS NOTICED ON THE RIGHT NACELLE, THE AIRCRAFT LANDED SAFELY AND THE PROPELLER WAS FEATHERED. INVESTIGATION REVEALED TUBE ASSEMBLY FROM THE CRANKCASE TO THE FUEL MANIFOLD HAD BROKEN FROM THE SOLDER JOINT CLOSEST TO THE FUEL MANIFOLD.