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1W LED Fairy String Lights AL-4746
Brand: Generic / OEM
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Audited BOM: 7 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 thin and fragile insulation of the copper wire (ENG-001) leads to its cracking under mechanical stress (RMA-004), resulting in total product failure and customer dissatisfaction (REV-004).
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