Piping & Instrumentation Diagram (P&ID)

  Feature image: the seven steps of a CAPA and where each commonly breaks. Conceptual illustration, not a regulatory flow chart. A CAPA action plan is the part of a corrective and preventive action (CAPA) record that says what will be done, by whom, by when, and how you will know it worked. It is also the part that fails most often. Records get opened, actions get assigned and closed on schedule, and the same problem comes back at the next audit, the next batch or the next shutdown. The NSF white paper on why CAPA keeps failing puts it plainly: the issue is not a lack of CAPA activity, it is a lack of CAPA effectiveness ( NSF ). This guide shows how to troubleshoot a CAPA action plan that is not working, or that you suspect will not work: the causes that show up in the sources, the tests that expose each one, and the fixes. It is written for engineers, quality staff and plant teams who raise, review or approve CAPAs in regulated and non-regulated manufacturing. It covers the probl...