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AK-947 High Precision Electric Drill
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 brushed motor with limited ventilation (ENG-002) cannot withstand continuous use, leading to failures (RMA-001) and complaints about overheating (REV-001, REV-003).
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