What was found
INSPECTION TYPE:SV FUEL LEAKING AT NR 4 PYLON AREA FROM FWD SPAR TO REAR SPAR, LOWER SURFACE OF WING. REMOVED I/B AND O/B SKATE ANGLES, T-DOUBLERS, L/E SKIN PANEL, INTERNAL FITTINGS LOCATED AT CANT BLKHDS STA 495 AND 508. INJECTED FRONT SPAR, CTR SPAR AND STRINGERS IAW DC8 51-1-12. REINSTALL I/B AND O/B SKATE ANGLES AND DRAG ANGLES AND LEADING EDGE SKIN DOUBLER AND T DOUBLER IAW DC 8 SRM 51-1-20D AND REO 06862 REV A.