As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE ENGINE ITT GAUGE FAILED AND A REPLACEMENT WAS INSTALLED THIS UNIT WAS O/H REF WO 0363688. AFTER 122.4 HOURS THE UNIT STARTED TO CAUSE THE ASSOCIATED "RT ITT" CIRCUIT BREAKER TO TRIP. THE FAULT WAS DETERMINED TO BE BEING CAUSED BY THE UNIT.