8d-problem-solving

# 8D Problem Solving ## Goal Produce a validated, audit-ready 8D report with proven root causes and effective corrective actions that prevent recurrence — accepted by the customer and filed in the quality system. ## Required Execution Checklist Quick-reference for agents and practitioners. All items must be complete before D8 closure. - [ ] D0: Safety and regulatory risk assessed and documented - [ ] D0: Suspect material identified and physically segregated - [ ] D1: Cross-functional team assembled with champion identified - [ ] D2: Problem described with measured values, part number, quantity, and Is/Is-Not - [ ] D3: Containment implemented (past tense) with date and effectiveness evidence - [ ] D4: Root cause of **occurrence** identified and validated with data or experiment - [ ] D4: Root cause of **escape** identified and validated with data or experiment - [ ] D5: One PCA per root cause selected, with verification plan - [ ] D6: PCA implemented; verification data confirms zero recurrence; ICA formally removed - [ ] D7: PFMEA, Control Plan, and Work Instructions updated (revision numbers documented) - [ ] D7: Horizontal deployment assessed and actioned - [ ] D8: Champion sign-off obtained; customer notified of closure --- ## When to use Use 8D for customer-reported defects, internal escapes reaching downstream processes, field failures, or any non-conformance requiring documented root cause analysis. Mandatory for most automotive OEM customer complaints (Ford 8D, ...