Home & Kitchen > Heating, Cooling & Air Quality > Fans > Personal Fans
3.5W Compact USB Mini Fan LS-981
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
Unbalanced blades (ENG-002) cause vibration and high-pitched noise, leading to RMA (RMA-002) and customer complaints (REV-001) about the noise.
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