As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TACH TIME: 7661.5 POST FLIGHT INSPECTION OF COWL, OIL LEAK DISCOVERED. MAINTENANCE INVESTIGATED AND DISCOVERED #2 CYLINDER EXHAUST VALVE PUSHROD TUBE BROKEN IN TWO PIECES AND PUSHROD BENT. CYLINDER WAS REMOVED. EXHAUST VALVE WAS FOUND TO BE STUCK AND HAD MADE CONTACT WITH TOP OF PISTON LEAVING IMPRESSION.