Home & Kitchen > Heating, Cooling & Air Quality > Fans > Desk Fans
USB Rechargeable Portable Mini Desk Fan MM-H2
Brand: Generic / OEM
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Audited BOM: 9 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 or inadequate lubrication (ENG-001) leads to abnormal noise and premature motor failure (RMA-001), resulting in customer dissatisfaction (REV-001).
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