As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) RT ENGINE CYLINDERS CORRODED ON CYLINDER WALLS. CORROSION PITS WERE IN EXCESS OF 0.381MM (0.015IN) DEEP. THREE CYLINDERS WERE ALSO FOUND TO BE CRACKED FROM EXHAUST SEATS TO THE EXHAUST PORTS. AIRCRAFT OPERATES FOR APPROXIMATELY 100 HOURS PER YEAR.