As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE REMOVAL OF THE NR 3 CYLINDER, THE EXHAUST VALVE LIFTER WAS INSPECTED AND FOUND TO HAVE CHIPS OF MATERIAL MISSING FROM THE CORNERS NEAR THE LOWER FACE. THE FACE OF THE LIFTER AND CAM LOBE WERE NOT FOUND TO HAVE ANY DEFECTS. (X)