What was found
SJU - FLT 0680 - EN ROUTE AUA/MIA, NR 2 CROSSFEED VALVE FAILED TO OPEN. AIR INTERRUPTED AND LANDED SJU WITHOUT INCIDENT. CHECKED AND DEFERRED ACCORDING TO MEL. SECURED VALVE OPEN AND FLEW TO MIA WITHOUT INCIDENT. REPLACED NR 2 FUEL MANIFOLD VALVE AND CONNECTOR VALVE. PERFORMED OPERATIONAL CHECK WITH NO LEAKS NOTED. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)