Sample Discussion
Topic: Root Cause/Corrective Action
To protect privacy of individuals and companies, names have been removed.
Question
"Our company seems to be in continual debate over determining root causes of non-conformances. Is anyone aware of any guidelines..."
Answers
"I don't think a one size fits all root cause analysis is available. I use a couple more than others: 5 why... ask why 5 times and fishbone diagrams and you'll generally get the true cause."
"It's as simple as asking WHY 5 times. Try it. It works."
"We use the 8-D process. I have attached an 8-D checklist that I use for root - cause investigation and for training in root - cause analysis."
"I can relate to the debate aspect of root – cause determination. After gathering a list of possible root causes through a "multiple-why" process, we then search the data surrounding each cause. What we have found is that the data will reveal the cause(s) that have the most significant impact on the problem. By allowing data to reveal "what is", and equally important "what is not," we have made great strides in our CA/PA program. We have a sample layout that is useful as a guide if you are interested."
"Thanks–yes, I would like to have a copy of your sample guide. I appreciate the help."
"We have started to use an adapted version of the 5 Why process. Your team asks "why" 5 times in terms of manufacturing/process (how it was made), and quality system (how did it get out your door)."
"We've implemented Failure Mode & Effects Analysis on all production processes. We're training our people about this type of analysis and asking them to use these documents as a guide for set-up, run and troubleshooting."
"You have gotten a lot of feedback, but I did not see where anyone told you about Ford's Global 8D for problem solving. It goes beyond the well-known 8D process and it has a lot of tools to help systematically determine the root cause."
"Thanks to all who responded so promptly to my inquiry. This network is truly a remarkable resource and we feel privileged to be a part of it."
"You're very welcome. It sure is!"


