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LH-067 Zinc Alloy Lighter
Brand: Generic / OEM
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Audited BOM: 10 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The low-quality spring in the ignition mechanism (ENG-001) leads to premature component failure (COMP-002), resulting in lighters that do not ignite (RMA-001) and negative customer reviews (REV-001).
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