As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT ENGINE OIL PRESSURE EICAS MESSAGE.AND RT ENGINE OIL PRESSURE LIGHT CAME ON IN FLIGHT. REMOVED AND REPLACED RIGHT ENGINE OIL PRESSURE SWITCH IAW AMM 79-33-00, PERFORMED A LOW OIL PRESSURE WARNING SYSTEM TEST AND TESTED NORMAL IAW AMM 71-00-00. PERFORMED ENGINE TEST NR 3 IDLE LEAK CHECKED GOOD, NO LEAKS FOUND.