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ZB-4001 Digital Clock
Brand: Generic / OEM
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Audited BOM: 11 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
Low-quality internal connections (ENG-004) lead to total product failure (RMA-001), resulting in negative reviews (REV-001).
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