As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE HAD MINOR OIL LEAK FOR APPROXIMATELY 100 HOURS. IN ONE WEEK, OIL LEAK BECAME SEVERE. FOUND NR 2 CYLINDER BARREL CRACKED ABOUT 4 INCHES FORM BASE OF CYLINDER. CYLNDER HELD 74 POUNDS OF COMPRESSION. SUBMITTER IS OF THE OPINION THE CRACK WAS CAUSED FROM A MANUFACTURING DEFECT.