Module
Defect Engineering & Root Cause
Top-contributing defects investigated to true root cause with verified counter-measures.
Module details
ProfessionalStage: In-process
Outcome: Top-contributing defects investigated to true root cause with verified counter-measures.
Roles
- Quality Engineer
- Line Supervisor
Workflow
- 1.Stratify defects by Pareto and process step
- 2.Run Gemba investigation on top contributors
- 3.Confirm root cause with data before action
- 4.Implement counter-measure and verify effect
Evidence
Common failures
- Stopping at symptom-level cause
- Counter-measures never verified
Escalation
Recurring top-3 defects with no measurable reduction after 2 weeks escalate to Plant Head.
KPIs
- Defect recurrence rate
- Top-3 defect share
Official sources
- ISO 9001 — Quality management systems (ISO 9001:2015)
International requirements for a quality management system covering leadership, planning, support, operation, performance evaluation and improvement.
International Organization for Standardization · Authority: ISO
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Technology
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