What was found
FLT#1107, JFK-LHR. (ETOPS) 'DURING FUELING LEFT HAND OUTER WING ( REFUEL VALVES ) (FAILED OPEN); REMOVE AND REPLACE LH REFUEL VALVE IAW AMM 28-25-51. OPS CHECK GOOD. NO LEAKS NOTED. THIS CLEARS MDDR 544167. PLACARD REMOVED, MX-4 UPDATED, MCC NOTIFIED.