As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT INFLIGHT LAX TO IAD - DURING CRUISE, CREW REPORTED ENGINE NR 1 HYDRAULIC LOW PRESSURE INDICATION ILLUMINATED FOLLOWED BY ENGINE NUMBER TWO HYDRAULIC LOW PRESSURE INDICATION. CREW TURNED OFF BOTH PUMPS AND LANDED PIT WITHOUT INCIDENT. EICAS SHOWED NORMAL HYDRAULIC PRESSURES AND QUANTITIES. FOUND HYDRAULIC PRESSURE INDICATING SYSTEM FAULTED. REPLACED HYDRAULIC RESERVOIR PRESSURE MODULE. SYSTEM GROUND CHECKED NORMAL OPERATION.