Separation Technology 3/7/97 Centrifuges
4. Failure to document, review, approve, and validate changes to components, finished devices, labeling, packaging or manufacturing process specifications [21 CFR 820.100(b)(1),(2) & (3)], e.g., there is no documentation of the prior approval of the software specification change initiated 1/24/97 that was an attempt to correct the failures described above. Also, there is no change validation to assure the software modifications will correct the failure mode.