July 2007

Letters to the Editor

Letters to the Editor

Analyzing RCFA You made some very good points in your February 2007 "HPIn Reliability" column "When is a good practice a bad practice," but I think you also missed a few key issues. In 1999, during m..

Analyzing RCFA You made some very good points in your February 2007 "HPIn Reliability" column "When is a good practice a bad practice," but I think you also missed a few key issues. In 1999, during my presentation at your reliability conference in Houston, I talked about the Texaco multi-level approach to root-cause failure analysis (RCFA). At that time, we found significant benefit in getting everyone involved with a questioning attitude when things fail by using the "five-why method." I totally agree the "five-why" tool cannot replace a fault tree-type approach and does become a bad practice if it is all that one uses. But what I find is that the hundreds of extra folks with a quest

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