Aerospace AM · Delta / requalification evidence map · As of 2026-09-19
Short answer: A change requires a documented response when it can invalidate the evidence tying the locked feedstock → machine → process → post → inspect → part → site route to the released article. Response levels run documented review → verification → delta qualification → full requalification. Never infer continuity from “similar process” alone. Aerospace additive manufacturing is not qualified by enthusiasm—and it is not kept qualified by hope.
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