As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE NR 6 CYLINDER HEAD SEPARATED BY FAILING THOUGH THE ALUMINUM CASTING. ENGINE WAS SHUTDOWN AND PROP FEATHERED AND LANDING WAS CARRIED OUT. THE ENGINE IS A RAM 6 STC CONVERSION. AD 2004-08-10 APPLIES TO THIS CYLINDER PN, BUT THE SN OF THE AFFECTED CYLINDER IS OUTSIDE THE RANGE OF CYLINDERS COVERED BY THE AD.