Root Cause Analysis (RCA)

Understanding the causes of faults and defects, and then improving the system or process so it won’t happen again, is central to lean manufacturing. This article looks at some of the methods used to identify the root cause of any issues so that you can prevent downtime and move toward zero defect manufacturing. I’ll cover methods such as the five whys, failure modes and effects analysis (FMEA), and fault tree analysis (FTA).