As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE OIL PRESSURE MASTER WARNING DURING CRUISE POWER, OIL PRESSURE EICAS SHOWED AS LOW AS 15 PSI. R & R THE RT ENGINE OIL PUMP IAW AMM 79-21-03. R & R THE RT ENGINE OIL TRANSDUCER IAW AMM 79-31-05. R & R THE RT ENGINE OIL PRESSURE SWITCH IAW AMM 79-31-03. R & R THE RT ENG OIL FILTER BYPASS SENSOR IAW AMM 79-33-01. LEAK AND OPS CHECKED GOOD AND OIL CONSUMPTION RUN GOOD.