As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING REMOVAL OF CYLINDER ASSEMBLIES FOR TOP O/H, FOUND SEVERAL LIFTERS SPALLED AND EXCESSIVE CAM LOBE WEAR. RECOMMEND THAT AD 2010-11-04 AND TCM MSB098A BE REVISED TO INCLUDE ENGINE MFG EARLIER THAN SPECIFIED IN THE AD. THIS ENGINE WAS BUILT IN 2005.