What was found
LT WING CTR L/E UPPER SKIN HAS ELONGATED HOLES BETWEEN STA XOLDI 6.225 AND XS 466.651 (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW SRM 57-1-0 PG 1 AND SRM 57-3-3 FIG 5. REMOVED DAMAGED CTR L/E UPPER SKIN IAW SRM 51-1-21 PG 1. FABRICATED NEW SKIN (7075-T6 AL0.063) IAW SRM 57-3-3 FIG 5. CLEANED, TREATED AND PRIMED INNER SURFACE IAW SRM 51-1-8B. INSTALLED NEW SKIN ON LT WING CTR L/E UPPER SKIN SURFACE (STA XOLDI 6.225 AND XS 466.651) IAW SRM 57-3-3 FIG 5 AND SRM 51-1-21 PG 1.