As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENG FAILED AFTER TAKEOFF. UPON INSPECTION, IT WAS NOTED THE NR 5 CYLINDER CONNECTING ROD SEPARATED FROM THE CRANKSHAFT, CAUSING PENETRATION THROUGH THE CASE, EJECTING BOTH MAGNETOS FROM THEIR MOUNTS & CAUSING EXTENSIVE DAMAGE TO THE CYLINDER, CASE & ENG COWLING. THE MAGNETOS REMAINED TETHERED TO THE ENG BY THE LEAD HARNESSES & DEBRIS WAS CONTAINED WITHIN THE ENG COWLING. WE DO NOT BELIEVE ANY COMPONENTS OR MATERIAL SEPARATED FROM THE ACFT. R & R ENG & COWLING. ENG HAS BEEN SENT OUT FOR TEAR DOWN ANALYSIS. FURTHER DETERMINATION TO BE REACHED UPON TEAR DOWN ANALYSIS.