AIAG PPAP-4: 2006 [paper]

Production Part Approval Process (PPAP) ,4th edition.

The PPAP defines requirements for production part approval, including production and bulk materials. The purpose of PPAP is to determine if all customer engineering design record and specification requirements are properly understood by the supplier and that the process has the potential to produce product consistently meeting these requirements during an actual production run at the quoted production rate.