What was found
FLT 662, BGI-JFK (DIVERTED TO BDA) DURING CRUISE FLIGHT IT WAS NOTICED THAT APPROX 700 LBS OF FUEL WERE NOT ACCOUNTED FOR. QR & 1 9-14 WAS ACCOMPLISHED AND DX MX WERE NOTIFIED. DIVERTED TO BDA, PRESSURIZED & INSPECTED FUEL SYSTEM, INSP, ENGINES & DRAIN MAST, NO LEAKS NOTED. IAW AMM 28-11-00-06.