As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 CYLINDER SEPARATED FROM CASE. APPEARS CONNECTING ROD OR WRIST PIN SEPARATED FROM PISTON WHICH CAUSED CYLINDER TO SEPARATE. ENGINE HAD APPROXIMATELY 6 QUARTS OF OIL WHEN IT TOOK OFF. THERE APPEARED TO BE OIL INSIDE THE SUMP AFTER LANDING WAS MADE.