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LK-8101 Portable Mini Straight Stitch Sewing Machine
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 undersized motor (ENG-001) fails prematurely (RMA-001), leading to overheating and a burning smell (REV-003), resulting in the product completely stopping (REV-001).
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