As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REMOVED ALL HYDRAULIC LIFTERS TO INSPECT FOR SPALLING, DISCOVERED BADLY SPALLED EXHAUST LIFTER ON CYLINDER #4. INSPECTED CAM IN ACCORDANCE WITH CONTINENTAL SERVICE DIRECTIVE SID05-1B, INSTALLED NEW LIFTER AND WILL INSPECT CAM AGAIN IN 100 HOURS. IT IS DOUBTFUL THAT THIS 1900 HOUR ENGINE WILL MAKE TBO BEFORE NEEDING A NEW CAM. WE ARE NOW INSPECTING LIFTERS EVERY 200 HOURS.