What was found
LEFT ENGINE STARTED TO RUN ROUGH IN-FLIGHT. UPON TROUBLESHOOTING, FOUND CYLINDER NR 4 HEAD HAD SEPARATED FROM THE BARREL. CYLINDER WAS REPLACED WITH AN OVERHAULED UNIT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT ENGINE STARTED TO RUN ROUGH IN-FLIGHT. UPON TROUBLESHOOTING, FOUND CYLINDER NR 4 HEAD HAD SEPARATED FROM THE BARREL. CYLINDER WAS REPLACED WITH AN OVERHAULED UNIT.