As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NO OIL PRESS ON EICAS AND L ENG OIL PRESS LIGHT REMAINED ILLUMINATED ON LT ENG START ATTEMPT. TROUBLESHOT AND COMPLIED WITH QRH. CLEANED CONNECTORS OIL PRESSURE TRANSMITTER AND LOW OIL PRESSURE SWITCH. PERFORMED ENGINE RUN. ALL INDICATIONS NORMAL.