As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SPRAYING OPERATION, THE AIRCRAFT WAS CLIMBING INTO A RT TURN. THE PILOT HEARD A LOUD BANG, AND THE ENGINE BEGAN RUNNING EXTREMELY ROUGH. THE AIRCRAFT MADE A FORCED LANDING. INSPECTION OF THE ENGINE FOUND THE NR 2 CYLINDER HEAD SEPARATED FROM THE SLEEVE AT THE NR 3 LARGER COOLING FIN FROM THE BOTTOM. AD WAS COMPLIED WITH DURING LAST OVERHAUL, 43 HOURS EARLIER. (CE07200513320) (K)