As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL FLOW RIGHT ENGINE DROP 3 GALLONS PER HOUR. IN-FLIGHT, CHT AND TIT TEMP WENT HIGHER THAN THE OTHER ENGINE. ENGINE STARTED TO RUN ROUGH. ENGINE WAS SHUT DOWN IN-FLIGHT AND A SAFE LANDING ON ONE ENGINE WAS MADE. INSPECTION OF ENGINE FOUND THE RIGHT FUEL SERVO WAS LEAN AT ALL POWER SETTINGS. SERVO REPLACED. (X)