What was found
CONNECTING ROD BOLT BROKEN ON NR4 CYLINDER, LT ENGINE. DURING CRUSE FLIGHT. NR4 CYLINDER WAS PUSHED THRU COWLING AND BROKE OUT LEFT UPPER CRANKCASE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CONNECTING ROD BOLT BROKEN ON NR4 CYLINDER, LT ENGINE. DURING CRUSE FLIGHT. NR4 CYLINDER WAS PUSHED THRU COWLING AND BROKE OUT LEFT UPPER CRANKCASE.