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6-Blade Portable Rechargeable Mini Blender
Brand: Generic / OEM
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Audited BOM: 6 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 lack of hydrophobic sealing on the USB charging port (ENG-002) allows direct water entry into the PCB (COMP-005) during cleaning, causing immediate short-circuit (RMA-001), which leads to the main complaint of product failure on first use (REV-001).
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