As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF, GOT LT OIL FILTER EICAS AT 80 KTS. DURING TAXI BACK, DID NOT HAVE ANY OTHER INDICATIONS. EICAS MESSAGE STAYED ON THROUGH SHUTDOWN. REPEAT. FOUND INOP LT ENG SCAVENGER OIL FILTER DIFFERENTIAL PRESSURE SWITCH, R & R IAW MM 79-35-02-4 AND TESTED SERVICEABLE. FINAL CLOSED.