© 2004 Cayman Business
Systems
Rev:
Pre-G3 - Rendered Thursday,
February 12, 2004
•Have you identified all sources of variation on the flow
diagram?
•Have all sources of
information been used to define the cause of the problem?
•Do you have the physical evidence of the problem?
•Can you establish a
relationship between the problem and the process?
•Do you continually
challenge the potential root causes with the question ‘why’ followed with ‘because’ to construct alternatives?
•What are the is / is not distinctions?
•Is this a unique
situation or is the likely problem similar to a past experience?
•Has a comparison
analysis been completed to determine if the same or similar problem existed in related products?
•What are the
experiences of recent actions that may be related to this problem?
•Why might this have occurred?
•Why haven’t we experienced this problem before?