
xi
Preface
ere are many books and articles on Root Cause Analysis (RCA); how-
ever, most concentrate on team actions such as brainstorming and using
quality tools to discuss the failure under investigation. ese may be nec-
essary steps during an RCA, but authors oen fail to mention the most
important member of an RCA team, the failed part. Actually looking at
the failed part is a critical part of an RCA, but is seldom mentioned in RCA
related literature. e purpose of this book is to provide a guide to empiri-
cally investigating quality failures using the scientic method in the form of
cycles of Plan-Do-Check-Act (PDCA) supported by the use ...