As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT AT FL270, THE RIGHT ENGINE ITT CLIMBED INTO THE RED ZONE. RIGHT ENGINE ITT TOPPED OUT AT 1020 C REQUIRING AN ENGINE SHUTDOWN IAW POH. AN EMERGENCY WAS DECLARED AND A DIVERSION WAS MADE. LANDING WAS UNEVENTFUL. MAINTENANCE REPLACED THE RIGHT ENGINE DATA CONCENTRATOR. GROUND CHECKED PERFORMED. GROUND CHECKS PERFORMED. A SUCCESSFUL OPERATIONAL CHECK FLIGHT WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.