D5 verifies the solution works in a controlled environment. D6 implements it in full production and validates it over time with long-term capability studies (Cpk)....
When can D3 containment be removed?
D3 containment can only be removed after D6 validation confirms zero defects over multiple shifts and the process is stable and centered....
What documents need updating in D6?
Engineering Change Notices (ECN), Standard Operating Procedures (SOP), training materials, and process control plans must all be updated....
8D.wiki — How Do You Roll Out a Fix Without Breaking Something...
