When to start with corrective action

It is best to start corrective action immediately. Conducting corrective action includes determining the root cause of nonconformity and taking action to prevent non-conformance from recurring.

The whole corrective action process can take some time, an you need to determine the time frame for investigating and removing non-conformance, but you should initiate the corrective action as soon as possible.

For more information read this article:

- Seven Steps for Corrective and Preventive Actions to support Continual Improvement https://advisera.com/9001academy/blog/2013/10/27/seven-steps-corrective-preventive-actions-support-continual-improvement/