RCCA Knowledge App

Root Cause Corrective Action & 8D Problem Solving

Explore the 8D method as an informative learning journey. Browse each discipline, search technical guidance, review good practice and understand the common mistakes that weaken investigations.

9Disciplines from D0 to D8
RCCAStructured problem solving
EvidenceFact-based decisions
PreventionSystemic learning
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What strong RCCA looks like

Clear facts, verified causes, evidence that actions work, and learning transferred to similar products, processes and risks.

What weak RCCA looks like

Opinion-led conclusions, “operator error” as the endpoint, actions that only retrain people, and closure before effectiveness is demonstrated.