© 2004 Cayman Business
Systems
Rev:
Pre-G3 - Rendered Thursday,
February 12, 2004
Analysis vs. Action
• The ‘disciplines’ which make up the
8-D process are divided into Analysis
and Action steps.
•Analysis Steps
∆D2 Problem
Description Analysis - A method to organize
information about the Symptom into a Problem
Description through the use of repeated WHYs.
∆D4 Root
Cause Analysis - A process to arrive at Root
cause paths.
•Action Steps
∆D3 Containment - An interim Verified action that will prevent the
Symptom from reaching the customer.
∆D5 Choose
Corrective Action - The best corrective
action which, when implemented in D6,
permanently eliminates the Root Cause of the problem.
∆D6 Implement
Corrective Action - The best corrective
action from D5 that is introduced into the
process and Validated over time.
∆D7 System
Preventive Action - Actions which address
the system that allowed the problem to
occur.