What was found
INFLIGHT NOTICED FLUID TRAILING OFF OF THE RT AILERON. ON THE GROUND THE VISIBLE TRAIL DISAPPEARED BUT THERE IS RESIDUAL FUEL POCKET ON THE RT AILERON. REMOVED FUEL PANELS 640NT, 640MB. REMOVED FLOAT VALVE P/N D25W652004-507 S/N 214. INSTALLED NEW FLOAT VALVE P/N D25W652004-507 S/N 066. RECEIVED OK AND CLOSED FUEL PANELS 640NT, 640MB. FUELED AC TO 7000 LBS AND RAN BOTH ENGINES FOR OPS CHECK. OPS CHECKED GOOD AND NO LEAKS NOTED AT THIS TIME. ALL WORK DONE IAW MM 28-11-05.