What was found
LT INNER WING CENTER EXTENDED L/E UPPER SKIN CORRODED AROUND STA. XFS.341.500 TO XODI 6.2245. REMOVED FASTENERS IAW SRM 51-1-21 PG.1. REMOVED CORROSION IAW SRM 51-1-8 PG.17-18. FOUND OUT OF LIMITS IAW SRM 57-2-1 PG.11-12. TRIMMED OUT CORRODED AREA. CLEANED, TREATED AND PRIMED AREA IAW SRM 51-1-8B. FABRICATED A REPAIR DOUBLER (7075-T6 AL0.071) AND SIX FILLERS (7075-T6 AL0.063). CLEANED, TREATED AND PRIMED REPAIR DOUBLER INTERIOR SURFACE AND FILLERS IAW SRM 51-1-8B. APPLIED PRC SEALANT ON FAYING SURFACES IAW SRM 51-1-11 PG.9. INSTALLED DOUBLER AND FILLERS ON LT. INNER WING CTR. EXTENDED L/E UPPER SKIN AROUND STA. XFS.341.500 TO XODI. 6.2246 USING NEW FASTENERS.