As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A PREPURCHASE INSPECTION, A BORESCOPE INSPECTION OF ALL CYLINDERS WAS PERFORMED. FOUND EVIDENCE OF AN EXHAUST VALVE STRIKE ON THE PISTON OF NR 5 CYLINDER. NOTED NO OTHER DAMAGE IN NUMBER 5 CYLINDER AND ENGINE OPERATION WAS ACCEPTABLE DURING PRE-INSPECTION RUN UP.