What was found
FUEL SYS AUTO, ON LONG APP WITH MEL 28-22-01-04A. ALL PUMPS WERE ON THAT WERE NOT DEFFERRED. FUEL QTY TANK NR 2 STARTED A SLOW INCREASE AS FUEL QTY TANK NR1 DROPPED FASTER THAN IT SHOULD ON 8 ML FINAL, GOT WARNING OF TANK IMBALANCE AND POSSIBLE FUEL LEAK. ON LANDING FUEL QTY WERE 4.4/11.2/7.5, NO FUEL WAS LEAKING FROM ACFT. T/S, WITH NR 1 AND NR 3 PUMPS RUNNING, IT APPEARS THAT FUEL IS MIGRATING INTO NR 2 TANK ON THE GROUND. ALL WORK ACCOMPLISHED BY TANK VENDORS FFC R/O5100152. R & R NR 2 FILL LINE SURGE RELIEF VALVE IAW AMM 28-21-08-2. RAN NR 1 AND NR 3 TRANSFER PUMPS. NO FUEL MOVEMENT TO NR 2 TANK. LEAK AND OPS CHECK GOOD.