What was found
ENGINE BEGAN RUNNING ROUGH AND THEN THE PROPELLER LOCKED IN THE VERTICAL POSITION. POST-INCIDENT INSPECTION OF THE ENGINE REVEALED THE CRANKSHAFT HAD FAILED. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ENGINE BEGAN RUNNING ROUGH AND THEN THE PROPELLER LOCKED IN THE VERTICAL POSITION. POST-INCIDENT INSPECTION OF THE ENGINE REVEALED THE CRANKSHAFT HAD FAILED. (X)