As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AT FL400 AND ONE HOUR INTO THE FLIGHT, RT ENG OIL PRESSURE HIGH EICAS ILLUMINATED. OBSERVED RED 111PSI AND IMMEDIATELY RETARDED THROTTLE TO IDLE. ATTEMPTED TO INCREASE POWER BUT OIL PRESSURE INCREASED PROPORTIONATLEY TO THROTTLE MOVEMENT.