How to justify root-cause failure analysis for pumps
New method uses annualized risk to determine RCFA analysis levels
We have all read about and acknowledged the merits of root-cause failure-analysis methods. But not everyone agrees on when and how these methods should be used. In times past, the author worked for a while within an organization so enamored with failure analyses that the formal reports were to be written by a machinery engineer for each and every plant machinery failure. This seemed unusual and even a bit extreme.
Yet, the issue begs an important question: When is formal failure analysis justified? Before answering and explaining, we need to briefly agree on the customary definition of a root cause failure analysis. A root-cause failure analysis (RCFA) is a formal analysis of an equipment o
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