As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ROCKER SHAFT BOSSES FOUND CRACKED WHEN CYLINDER REMOVED DUE TO FAILURE. LAST DYE CHECK WAS DONE IN 5/6/2007 (O/H DATE 1998). CYLINDER ONLY HAD 50 HRS SINCE LAST INSPECTION, BUT 5 YEARS CALENDAR TIME. POSSIBLE MORE FREQUENT DYE CHECK ON ROCKER BOSSES FOR AD 94-05-05R1 ON OLDER CYLINDERS.