As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3154 - BWI-GSO - DURING FLIGHT, THE NR 2 SYSTEM HYDRAULIC FLUID QUANTITY BEGAN DROPPING. THE CAPTAIN DECLARED AN EMERGENCY AND RETURNED TO BWI, LANDING WITHOUT INCIDENT. FOUND THE PRESSURE LINE TO INBOARD GROUND SPOILER ACTUATOR LEAKING. INSTALLED A TEMPORARY FLEX LINE TO THE RIGHT INBOARD GROUND SPOILER FROM THE CENTER WING AREA. (M)