What was found
CONFIRMED RT ENGINE FUEL LEAK. LOST APPROX 1800 POUNDS IN 30 MINS. SHUTDOWN RT ENGINE IN FLT. RT SIDE FUEL INDICATOR CONTINUED TO DECREASE EVEN WITH ENG SHUT DOWN. 3000 LBS SPLIT BETWEEN ENGINES BY THE TIME WE BLOCKED IN. NO REFERENCE REQUIRED CREW CONFIRMED THAT AN EMERGENCY WAS DECLARED, & THE RT ENG WAS SHUTDOWN IN FLT. USED FUEL STICKS FOR RT TANK TO VERIFY FUEL QTY REF MM 28-44-00-2 , TANK OVERHEAD IND IS CORRECT. NO NOTICEABLE FUEL ODOR AROUND ENG OR LEAKS ON GROUND. REMOVED AND REPLACED RT TANK FUELING SHUTOFF VALVE ACTUATOR. OPS/LEAK CHECKS GOOD AT THIS TIME. IAW AMM 28-21-12-4.