Root Cause Analysis, Techniques of Root Cause Analysis

Root Cause Analysis

The identification of why an issue occurred vs. only identifying or reporting the issue

Cause (causal factor): A condition or event that results in an effect

Direct Cause: Directly resulted in the occurrence

Root Cause: If corrected, would prevent recurrence of this & similar occurrences

Considerable situations

• Involving a surprise risk event
• Process failure
• Asset damage or loss
• Production stoppage
• Safety incident
• Quality degradation
• Customer dissatisfaction

Techniques

• Cause & Effect Diagram (Fishbone diagrams)
• Five Whys
• Failure mode & effects analysis (FMEA)
• Tree Diagram
• Pareto chart
• Statistical Correlation
• Scatter Diagram