What was found
ONT - ON POST FLIGHT INSPECTION NOTED FUEL LEAK FROM THE BELLY OF THE AIRCRAFT AT A RATE OF 3 DRIPS PER SECOND. THE FUELER, UNAWARE OF THE PROBLEM, BEGAN REFUEL OF THE AIRCRAFT RESULTING IN ABOUT 5 GALLONS OF FUEL LEAKING FROM THE AIRCRAFT BEFORE SHUTDOWN. MAINTENANCE REPLACED THE PREFORMED PACKINGS AND COUPLING AT THE SPR SHUTOFF VALVE MANIFOLD HOUSING IAW AMM 28-25-11-000-801-A01. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.