Home & Kitchen > Hardware > Door Hardware > Locks & Locksets
OPA-C004 Mechanical Door Lock
Brand: Generic / OEM
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Audited BOM: 5 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 inherent brittleness of low-quality zinc alloy (ENG-001) causes the lock body (COMP-001) to break under normal usage stress, resulting in immediate product failure (RMA-001) and customer complaints (REV-001).
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+4 additional failure modes & return complaint chains locked
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