As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED LT HYD SYS PRESSURE EICAS MESSAGE FOLLOWED BY LT HYD QTY MESSAGE. EMERGENCY DECLARED, FLIGHT LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED LEAKING DIFFERENTIAL PRESSURE INDICATOR ON INBD SIDE OF LT HYD FILTER MODULE. SYS GROUND CHECK NORMAL OPERATION. (CLOSED)