Tools & Home Improvement > Power & Hand Tools > Power Tools > Power Screwdrivers
3.6V Portable Electric Screwdriver LWJ-240
Brand: Generic / OEM
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Audited BOM: 10 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 low-quality brushed DC motor (ENG-003) overheats and wears out quickly, leading to device failure (RMA-005) and overheating complaints (REV-005).
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