As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE HAD A CATASTROPHIC FAILURE 10 MINUTES AFTER TAKEOFF. A SUCCESSFUL EMERGENCY LANDING WAS MADE IN A HAY FIELD. PILOT AND PASSENGER WERE NOT INJURED, AIRCRAFT WAS SUBSTANTIALLY DAMAGED. THE NR 2 CONNECTING ROD CREATED FOUR HOLES IN THE ENGINE CASE AND THE CAMSHAFT AND A CAM FOLLOWER WERE BROKEN IN THE SAME AREA.