As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ENROUTE, ON TRACK ECHO JUST AFTER CROSSING 30W, FLIGHT RECEIVED EICAS MESSAGE, RT ENGINE OIL FILTER CLOGGED. FLIGHT FOLLOWED QRH AND BROUGHT ENGINE BACK TO IDLE AND DESCENDED TO FL260 AND INITIATED A DIVERSION. MAINTENANCE CONTROL, FLIGHT SAFETY AND THE FLEET MANAGER WERE ADVISED.