As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH ENGINE OIL PRESS EICAS MSG DISPLAYED AFTER ENGINE START(<P>REMOVED AND REPLACED OIL FILTER, PER AMM 79-21-04/401, AND OIL PRESS TRANSMITTER, PER AMM 79-32-01/401. RUN ENGINE FOR LEAK CHECK. LEAK CHECK GOOD. ALL ENGINE SETTINGS WERE NORMAL.</P>)