As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) OWNER REPORTED A SMALL OIL LEAK ON BOTH ENGINES. UPON INVESTIGATING IT WAS FOUND THAT EACH ENGINE HAD A CRACKED CYLINDER HEAD. 4 CYLINDERS WERE REPLACED 90 HOURS PRIOR WITH THE SAME PROBLEM. LT CYLINDER NR 6 CRACKED ON INTAKE PORT WHERE YOU COULD SEE BLUE STREAKING IN BETWEEN FINS. RT CYLINDER NR 1 CRACKED IN THE SAME MANNER.