As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NEW CESSNA WITH 50.0 HOURS, WHILE ACCOMPLISHING A PHASE 1 INSPECTION, FOUND THE STARTER RING GEAR SUPPORT ASSY HAD A 1.50 INCH CRACK ON THE OUTER FACE .25 INCH AFT OF THE FRONT FACE. REMOVAL OF THE PROPELLER AND SUPPORT ASSY REVEALED A CASTING DEFECT ON THE AFT SIDE OPPOSITE TO THE CRACK.