RCA(根本原因分析)の勧め : 未然防止の視点から組織のマネジメントを見直す(<特集>信頼性・安全性の確保と未然防止)

概要

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Recently, news of quality trouble/accident are often heard. When investigating these troubles/accidents more closely, it is found that most of them are not caused by the immaturity of the new technologies developed aiming at the creation of customer value, but they are due to simple overlooks/misunderstandings in the existing technologies. Therefore, to prevent these failures, it is not effective to run after the problems that happened and take corrective actions against them. It is needed to prevent them beforehand. In the background where such preventive approach is not carried out fully in an organization, there is weakness in the management system of the organization including top management and managers. It is necessary for the organization to notice and improve the weakness by itself. Root Cause Analysis (RCA) is expected to be an effective method for this purpose. However, the implementation of RCA is not easy with many companies/organizations relying on a few competent people and repeating trial and error. Based on the above recognition, this report explains basic concepts of RCA and proposes a useful procedure for implementing RCA.
2008-10-15