What was found
YQX FLT 725 EN ROUTE DUB TO CLT. R ENGINE EXCEEDED LIMITS/OVERSPEED (AT CRUISE ALTITUDE). PERFORMED QRH PROCEDURES. R ENG TEMP REMAINED HIGH (AT RED) WHEN THRUST LEVER RETARDED. R ENGINE WAS SHUT DOWN. THE FLIGHT DIVERTED TO YQX AND LANDED WITHOUT FURTHER INCIDENT. SINGLE ENGINE TIME WAS 90 MINUTES. ACCOMPLISHED FIM TASKS FOR "NO RESPONSE TO THRUST MOVEMENT", AND "N1 OVERSPEED FAULT" ON THE RIGHT ENGINE. ALSO ACCOMPLISHED A RIGHT ENGINE LP TURBINE BORESCOPE. NO DISCREPANCIES WERE NOTED. ACCOMPLISHED TASKS LED TO FFG REPLACEMENT. REPLACED THE RIGHT ENGINE FUEL FLOW GOVERNOR. RIGHT ENG OPERATES NORMAL. ALL PARAMETERS ARE NORMAL. LPV BEARING SEAT BROKEN. REPLACED LPV BEARING SEAT.