D4 Identify and Verify Root Causes and Escape Points

The fourth dis­ci­pline of 8D prob­lem solv­ing is to iden­ti­fy the root caus­es of the prob­lem as well as the escape points in the process that should have caught the prob­lem. Learn com­mon root cause analy­sis meth­ods the team can use dur­ing this stage, how to inves­ti­gate sus­pect­ed human error, and when to update the prob­lem descrip­tion based on find­ings in this stage.