As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING ASSEMBLY OF ENGINE, A NEW SUPERIOR CONNECTING ROD BOLT, P/N SL75060 AND LOT NR 574065 WAS BEING USED. FOUND THAT THIS BOLTS MACHINING WAS INADEQUATE AND ALREADY WITHIN THE STRETCH LIMITS OF 2.255 - 2.256 INCHES WITHOUT A LOAD ON BOLT.