What was found
THE ENGINE WAS REMOVED DUE TO ABNORMAL NOISE AND ROUGHNESS, UPON TEARDOWN INSP, FOUND THE CRANKSHAFT BROKEN IN TWO AT THE CENTER MAIN BEARING AREA. THE CTR MAIN BRG SHOWED DISTRESS, BUT DID NOT INDICATE ANY LACK OF LUBRICATION. THE CRANKCASE HAD SLIGHT DAMAGE IN THE BEARING RETAINING AREA. THIS ENGINE HAD BEEN FACTORY OVERHAULED ON 7/14/06, AND PRESENTLY HAS 961.3 HOURS SINCE OVERHAUL. THE LOG BOOK DID NOT INDICATE ANY PROP STRIKE OR PROPELLER CHANGE. (K)