What was found
DURING C-CHECK, RT WING, LWR I/B LEADING EDGE, INSIDE ACCESS PANEL CAVITY 6401 UPPER O/B, L/E WEB TO L/E SKIN ATTACH ANGLE HAS 2 INCH CRACK. REMOVED FASTENERS RT LOWER I/B, L/E INSIDE ACCESS PANEL UPPER O/B L/E WEB TO L/E SKIN ANGLE IAW B-727 SRM 51-30-2. CUT OUT DAMAGED AREA, DIMENSIONS 17.5 X 2.5. FABRICATED ANGLE REPAIR, DIMENSIONS 17.5 X 2.5 AND SPLICE REPAIR DIMENSIONS, 9.5 X 2.5 INCH. MATERIAL USED 2024 T-3 .080 PO 123 IAW B-727 SRM 57-20-2 FIG 1. TREATED AND PRIMED IAW B-727 SRM 51-10-2. INSTALLED REPAIR PARTS IAW B-727 SRM 51-10-2. INSTALLED REPAIR PARTS IAW B-727 SRM 51-40-3 FIG 2 51-30-2.