five-whys-analysis

A root cause analysis workflow guides teams through a 6-phase process from problem definition to documentation. It uses iterative questioning, evidence validation, and quality scoring to ensure causal chains are logical and countermeasures are actionable for preventing recurrence.

The 5 Whys method validates causal chains by requiring evidence at each iterative questioning step. It applies a six-dimension quality scoring rubric to assess problem definition, causal chain logic, evidence basis, root cause depth, actionability, and countermeasures to ensure rigorous investigation.

You generate actionable countermeasures using the 5 Hows framework, which creates targeted, assignable actions based on the validated root cause. This ensures accountability and prevents process deviations, supplier defects, or equipment failures from recurring.

Yes, 5 Whys analysis is designed for investigating supplier defects, equipment failures, and process deviations. It guides rigorous root cause investigations by validating each step with evidence and scoring analysis quality to deliver clear, actionable countermeasures.

You create a professional RCA report by using the included Python scripts after completing the documentation phase. This transforms your validated problem definitions, causal chains, and countermeasures into a structured professional report for stakeholder review.

Root cause analysis does not require external knowledge bases, but optionally validates each "Why" against documented patterns via knowledge-mcp if available. Built-in evidence validation and quality scoring ensure causal chain logic and root cause depth without external dependencies.