Incident Description
The aircraft experienced a loss of engine power during flight, leading to a hard landing in an alfalfa field. The pilot had previously reported excessive oil consumption during the enroute portion of the flight and had planned to make an intermediate stop to address the issue. However, before reaching that stop, the engine seized.
Findings
Following the incident, an inspection of the engine revealed that it contained no oil. The lower fuselage was found to be coated with oil that had escaped through the engine's breather. Examination further showed that the number two piston rod had failed. Additionally, compression in cylinders one, three, and four was measured as low.
No other information was provided in the source material.