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AL-4747 Miniature LED Bulb for Decorative String Lights
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
Poor soldering quality (ENG-001) on LED terminals (COMP-001) leads to premature bulb failure (RMA-001, REV-001, REV-006).
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