What was found
(CAN) AFTER LEVELING OFF AT FL400, THE THROTTLES WERE RETARDED FOR CRUISE AND THE CREW REPORTED HEAVY VIBRATION WITH A LT ENGINE ITT EXCEEDANCE AND THEN AN UNCOMMANDED SHUTDOWN. THE AIRCRAFT WAS DIVERTED AND AN UNEVENTFUL SINGLE ENGINE LANDING WAS PERFORMED A VISUAL INSPECTION OF THE ENGINE AFTER LANDING REVEALED DAMAGE TO THE TURBINE SECTION. ENGINE TO BE REMOVED FOR REPAIR AND A LOANER INSTALLED.