A structured root cause corrective action workbook for engineering and manufacturing teams. Every issue starts with risk screening and a three-legged 5 Why covering direct cause, detection cause and systemic cause, with defined triggers to escalate the investigation into a full D1–D8 process when required.
The preview shows part of the Report worksheet with the workbook tabs visible. The remaining worksheet content and underlying logic are not exposed publicly.
Preview only. The full editable workbook, formulas, guidance and detailed worksheet content are available after purchase.
The toolkit is designed so a lower-risk issue does not automatically become a heavyweight 8D. Triage screens severity, likelihood and mandatory escalation conditions. Every issue begins with the initial three-legged root cause analysis; higher-risk, safety, contractual, repeat or otherwise triggered cases move into the full 8D route.
The Triage sheet includes configurable local risk thresholds plus mandatory escalation questions. Full 8D can be triggered by safety/legal/regulatory concern, customer or contract requirement, repeat failure, failed containment, external escape, known complexity or an investigation-lead decision.
The workbook explicitly states that local threshold settings should be approved against the organisation’s own QMS and customer requirements.
The workbook does not force five answers simply because the method is called 5 Why. It asks for a supported stopping point, cause proof and a validation test or evidence reference. It also separates direct, detection and systemic mechanisms rather than allowing “human error” to become the final answer.
A fictional worked example and a Guide worksheet are included to explain the intended workflow.
No. The toolkit uses triage and an initial three-legged 5 Why for every issue. Full 8D is used when risk, mandatory triggers, the quality of the initial analysis or later effectiveness evidence requires escalation.
Report, Triage, Problem, 3 Leg RCA, Actions, Verification, 8D, Closeout, Worked example, Guide and People.
No. The workbook is macro-free and requires no external data connections or subscription.
The original editable Microsoft Excel XLSX workbook through the verified order page. It is a one-off digital purchase.
The standard purchase gives one legal entity a non-exclusive licence to use and adapt the workbook for its own internal business activities. Completed outputs may be shared where reasonably necessary, but the editable source workbook cannot be resold or distributed as a standalone resource.
After successful Stripe payment, the order page verifies the payment and makes the original Excel workbook available for download.
Read the digital product terms →Not every issue needs a full 8D, but significant, recurring or high-risk failures usually need more than a single causal chain. The toolkit starts with direct, detection and systemic causes and escalates when the risk and evidence justify it.
RG Quality Management also provides practical RCCA, supplier Quality, audit and part-time Quality Management support.