When a crack is discovered in a vessel that is in a highly stressed area, what action should you recommend to be considered as a first step in any effort to correct the flaw?

When a crack is discovered in a vessel that is in a highly stressed area, what action should you recommend to be considered as a first step in any effort to correct the flaw?
A . Call in a pressure vessel engineer
B . Design an overlay patch to completely cover the affected area that has rounded corners
C . Using an insert patch, to completely remove the affected area
D . Removing the crack using by grinding and inspect using an NDE procedure before repair by welding

Answer: A