1.CRN 18-009A part loaded in the st-20 machine 2.Machine problem so hole position not achived. 3.For the purpose of achiving the hole using the CRN 18-078a material. 4.For that side we are do the 01 operation its not effect the finishing size. 5.But by mistake operator loaded that side in the 03 operation. 6.So drill hole are not cleared in the part so 2ns are rejected.     