What was found
AFTER TAKEOFF ROLL, SMELLED A STRONG FUEL ODOR IN THE COCKPIT, UPPER DECK AND CENTER OF THE AIRCRAFT. ON TAXI THERE IS NO SMELL. BUT, WHEN AIRCRAFT PITCHES 13 DEGREES - 15 DEGREES IT SMELLS. A/C REMOVED FROM SERVICE. FOUND FUEL LEAKING FROM NR 2M, NR 3 AND CENTER WING TANKS, REPAIRED LEAKS IAW 28-22-00. APPLIED SECONDARY FUEL VAPOR BARRIER IAW 747-57-2253. FUELED AIRCRAFT, NO LEAKS FOUND. (M)