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100 LED 5W Christmas String Light, 120V AC, AL-4721
Brand: Generic / OEM
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Audited BOM: 6 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 of the PCB (ENG-001) prevents adequate heat dissipation from the LEDs (COMP-001), leading to their premature failure (RMA-002) and customer dissatisfaction (REV-001, REV-002).
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