Guides from the floor.

Practical write-ups on root cause analysis, corrective action, and surviving audits — written by people who have run these processes on a real shop floor, not summarized from a textbook.

root cause analysis

How to Run a 5 Why Analysis on the Shop Floor (Without a Conference Room)

When 5 Why works, when it doesn't, and how to run one at the machine while the evidence is still warm — including how to get past "operator error" and turn the last why into a corrective action that sticks.

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quality systems

RCA vs CAPA: What's the Difference and How They Fit Together

Plain-language definitions, why auditors ask for both, corrective vs preventive action, and a worked flow from defect to closed CAPA — plus the classic failure of CAPAs that just restate the symptom.

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audit readiness

How to Write a Corrective Action That Passes an Audit

What auditors actually check, weak vs strong corrective action wording with rewritten examples, the evidence trail you need, and how to verify effectiveness so the finding stays closed.

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Rather have a guide that talks back?

Root Cause AI walks your team through 5 Whys and corrective actions conversationally, right at the machine.

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