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. 1.Stratify defects by Pareto and process step
  2. 2.Run Gemba investigation on top contributors
  3. 3.Confirm root cause with data before action
  4. 4.Implement counter-measure and verify effect

Evidence

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

Technology

  • MES Systems
Author: Sanjeewa Dehiwalage · Reviewed:
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