What was found
SLUGGISH PROPELLER, MOVING TO LOW PITCH IN-FLIGHT. UPON INVESTIGATION, THE OIL TRANSFER HOLE IN THE FRONT MAIN BEARING AREA OF THE CRANKSHAFT WAS MISPOSITIONED DURING MANUFACTURE, AND DRILLED N THE WRONG LOCATION. THE ENGINE WAS DISASSEMBLED, AND A NEW CRANKSHAFT INSTALLED. (X)