Tag Archives: process

Evaluating the Quality of a Root Cause Analysis

The quality of a Root Cause Analysis (RCA) and its Corrective Action Plan (CAP) should be evaluated many times over its lifecycle (i.e., from initial problem or event, through to final verified and sustainable improved state). Reviews occurring earlier in the lifecycle can really consider only the apparent quality of the investigation/analysis effort itself; these early reviews are what I will discuss in this article.

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Phases of Root Cause Analysis

Root Cause Analysis (RCA) is generally conducted in several phases. I've seen some methodologies that break down the RCA process into as many as a dozen different steps. In reality, however, there are just three main phases we need to be concerned about. More importantly, these three phases are very different from each other... so different that they should always be kept distinctly separate. I've designated these phases Investigation, Analysis, and Decision. Read on to see why.
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