What was found
CORROSION ON FRAME SPLICE STA 500 RBL 26.5 WL 156. REMOVED CORROSION FWD CARGO ON FRAME SPLICE AT BS 500, RBL 26.5, WL 156 IN AREA OF 1 X1 X .020 INCH MAX REMOVED. FOUND TO BE OUT OF LIMITS. FABRICATED THE DOUBLER MADE FROM 7075-T6 0.071, AND INSTALLED THE REPAIR DOUBLER IAW SRM 51-40-3.