Ford Company developed 8D method for root cause analysis, it consists of 8 different steps, and gap analysis is not part of those 8 steps.
Gap Analysis in assessment tool used to compare an organization’s current performance to desired or potential performance.
The purpose of an A3 report is to present results or a plan of attack in a clear, concise manner. It is a summary of of a project in 5-6 sections on a single piece of pape
The purpose of fault tree analysis is to effectively identify cause(s) of system failure and mitigate the risks before it occurs.
The 5 Whys is a root cause analysis technique used in the Analyze phase of the Six Sigma DMAIC (Define, Measure, Analyze, Improve, Control).