What was found
ON POST FLIGHT WALK AROUND, FUEL WAS DISCOVERED LEAKING FROM A DRAIN COMING FROM THE NR 2 ENG DECK. TROUBLE SHOT THE LEAK, THE FUEL ADJUSTED PUMP & METERING VLV, HMU, WAS LEAKING AT APPROXIMATELY 10 DROPS PER MINUTE DURING A GND RUN. UPON SHUTDOWN FROM THE GND RUN, THE HMU WAS SPRAYING OUT THE SIDE OF THE HMU HOUSING THROUGH 3 OR 4 PIN HOLES ON THE SIDE OF THE HOUSING. THE HMU HAS BEEN REPLACED & THE ACFT HAS RETURNED TO SERVICE.