What was found
LT OUTER WING OTBD EXTENDED L/E OUTER PLATING LOWER SURFACE CORRODED AROUND STA XFS 710.000. REMOVED FASTENERS, REMOVED CORROSION, FOUND OUT OF LIMITS. TRIMMED OUT DAMAGED SKIN AREA. PERFORMED NDT INSPECTION IAW DC8 NDT SPM PART 06-10-01-001. CLEANED, TREATED AND PRIMED AREA. FABRICATED A REPAIR DOUBLER (7075-T6 AL0.063), A FILLER (7075-T6 AL0.050) IAW EODHL-030554, ED-3315. CLEANED, TREATED AND PRIMED DOUBLER INTERIOR SURFACE AND THE FILLER IAW SRM 51-1-8B. APPLIED PRC SEALANT ON FAYING SURFACE IAW SRM 51-1-11 PG 9. INSTALLED FILLER AND DOUBLER ON LT OUTER WING EXTENDED L/E OUTER PLATING LOWER SURFACE, AROUND STA XFS 710.000 USING NEW FASTENERS.