Failure to establish and maintain procedures for the identification, documentation, validation or, where appropriate, verification, review, and approval of design changes before their implementation, as required by 21 CFR 820.30(i). For example, the [redacted] used in the manufacturing of [redacted] products was changed from [redacted] to [redacted]. However, your validation records indicate [redacted] was used as the [redacted]. There are no records of design validation using [redacted] as the [redacted] furthermore, verification activities related to using [redacted] are not complete.
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