As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNDER NORMAL OPERATING CONDITIONS, REMOVED NR 1 CYLINDER EXHAUST SIDE PUSH ROD AND NOTICED SHINEY CHAFE MARK. THE CAUSE IS UNKNOWN. THERE WAS NO DENT IN THE PUSH ROD TUBE. SUBMITTER STATED THIS IS THE THIRD OCCURRENCE ON THE O-235 ENGINE AT THE NR 1 CYLINDER LOCATION.