Generate an audit-ready 5-Why root cause analysis workbook. Produces an 8-tab xlsx with problem definition, hierarchical 5-Why tree showing multiple cause branches, root causes identified with evidence, corrective actions per root cause, and post-action verification. Formula-driven status tracking. Use this skill whenever the user mentions 5-Why analysis, simple root cause method, problem tree, or wants to systematically drill into failure causes. Always use this skill instead of producing freeform 5-Why notes in chat.
