# 8D Problem Solving : D2 Phase (Describing the Problem)

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sirelkhatim ibrahim nugud
Coach, Sudan

8D Problem Solving : D2 Phase (Describing the Problem)

When we are searching for the problem root cause, as far as I know from previous knowledge, we should avoid asking: who?
Because the intention is not to blame people, but to fix the system.

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Antonio J. Garcia
Spain

8D and 5Why

If root cause is not very obvious, use the 5 whys is a good method.

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Leo Duron, Mexico

8D Training

For training in 8D it's always better to work on real problems from the factory floor, rather than hypothetical problems with a known resolution.

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Robert Napoletano
Manager, United States

8D Problem Solving

I use the "5 Whys" at every step. Even if you think you have reached a good conclusion you should continue to ask why. At the end you need to know why this is the right conclusion. I even ask why for the team members to make sure I have the best possible group to solve the problem.

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John Muka
Consultant, Australia

8D's & 5Why's

The use of 5 Why's or 8D will ultimately give you the list of key root causes to eliminate or minimise the impact of the problem.
However if you really want to quantify the level improvement effort and measure the impact you are creating than you may want to separate if the causes are "common" or "special" causes. Then develop a data gathering plan to understand the impact before and after so you can quantify the impact you create in solving the problem.
Some statistical tools to look at would be, Pareto charting, Hypothesis testing, Regression analysis, Process capability etc...

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Stefan van Emden, Netherlands

5Why versus 5W2H

5 Why and 5W2H are really something totally different. 5 Why is commonly being used in root cause a... Sign up

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sirelkhatim ibrahim nugud
Coach, Sudan

5Why versus 5W2H

In the root cause analysis phase, one tool used is the cause and effect diagram. Sometimes causes a... Sign up

 2
James Wasson, United States

5Why versus 5W2H

The who in the 5W2H is not: "Who caused the problem?" It's: "Who found the problem?". ... Sign up

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Gurdeep Singh
Consultant, India

5W versus 5W2H

In complete diagnosis and fixing of the problem in investigations one has to correlate both 5W and 5... Sign up

 5
Winter
Netherlands

D2 Phase in 8D Problem Solving: Describe the Problem AND the Deviation

Note that in the D2 phase, the better the problem is described AND the deviation defined, the better... Sign up

 0
Jaap de Jonge
Editor, Netherlands

D2: Describe the Problem and the Deviation

Thanks for bringing up this valuable tip! In the summary we describe D2 as: D2: Describe the probl... Sign up

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