As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NR 2 CYLINDER FAILED. AT DISASSEMBLY THE NR 2 CYLINDER WAS FOUND TO HAVE BURNED, THE BURNING OF THIS CYLINDER CAUSED A LOSS OF OIL. THE RESULTING LOSS OF OIL CAUSED THE BEARING TO RUB WITHOUT OIL AND EVENTUAL FAILURE. WHEN IT FAILED, IT MADE A HOLE IN THE CASE ABOVE THE CYLINDER. THE CYLINDER WAS AN OVERHAULED CYLINDER. IT IS RECOMMENDED THAT CYLINDER USED ON TURBO CHARGED ENGINES BE REPLACED WITH NEW AT EACH ENGINE OVERHAUL.