Accident Overview
An aircraft collided with a dirt bank during a forced landing after an in-flight power loss. The pilot was en route to a field at approximately 500 ft above ground level when the power loss occurred. The pilot did not jettison the load of chemicals. The landing was made on wet grass, and the aircraft was unable to stop in time to avoid the embankment.
Engine Examination
Following the accident, the engine was examined. The crankshaft was found broken between the #3 main journal and the #3 connecting rod journal. The #3 main bearings were worn and had been rotating on the crankshaft. The fractured surface of the crankshaft appeared to contain fatigue-related markings. The engine had been operating for 2,160 hours, with 877 hours since its last overhaul. The owners reported no known history of propeller ground strikes.
Additional Details
No further information about the aircraft type, registration, or injuries was provided in the source.