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41-inch Diameter Manual Umbrella KA-J239
Brand: Generic / OEM
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Audited BOM: 7 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 rib frame structure (COMP-002) is fragile and rusts (ENG-001), leading to breakage in moderate winds (RMA-001), which is reported by users (REV-001).
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