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2.5W 5.6-inch Rechargeable Portable Mini Fan KA-F1542
Brand: Generic / OEM
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Audited BOM: 8 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 use of low-quality motor bearings (ENG-001) results in excessive noise and vibration, leading to customer dissatisfaction (REV-001) and premature product failure (RMA-005, REV-004).
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