Root Cause Analysis

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Other Tools for Root Cause Analysis

e classic seven quality tools and the seven management tools are not the

only quality tools available to a root cause investigator. Other quality tools

may be of great use in assisting a root cause investigator. One simple con-

cept that should be used during any root cause analysis is asking “why”

ve times. Without asking why more than once, there is a danger that the

root cause that has been identied is a contributor to the failure under

investigation, but not the true underlying root cause. is could lead to

misdirected corrective actions and a recurrence of the failure.

Each failure may have more tha ...