As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA CREW REPORTED LT HAND OIL FILTER EICAS ILLUMINATED ON CLIMB OUT INTERMITTENTLY. EMER DECLARED FLIGHT RETURNED MIA LANDED WITHOUT INCIDENT. R & R THE PRESS OIL FILTER DIFFERENTIAL PRESS SWITCH & THE SCAVENGE OIL FILTER DIFFERENTIAL PRESS SWITCH. SYS GND CHECKED NORMAL, OPERATION CLOSED.