Tools & Home Improvement > Power & Hand Tools > Power Tools > Power Screwdrivers
3.6V Electric Screwdriver with 47-Piece Bit Set & USB Charging KA-7076
Brand: Generic / OEM
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Audited BOM: 11 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 carbon brush DC motors (ENG-004) leads to premature motor failure (RMA-004), resulting in customer dissatisfaction (REV-004).
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