AllAboutLean.com – Page 3 – Organize your Industry!

The Eight Disciplines Problem Solving (8D)—D5 and D6

Christoph Roser August 12, 2025

In this series of posts I go through the Eight Disciplines Problem Solving (8D) in more detail. In my last post, I talked about D4: Root Cause Analysis and Escape Points, which is almost two separate points. In this post I will go into more detail of D5: Develop Permanent Solution and D6: Implement Permanent Solution. My next post will look at the last two disciplines of the 8D with D7: Prevent Recurrence and D8: Close problem and Recognize Contributors. Read on!

The Eight Disciplines Problem Solving (8D)—D4

Christoph Roser August 5, 2025

In this series of posts I go through the Eight Disciplines Problem Solving (8D) in more detail. In my last post, I talked about D2: Describe the Problem and D3: Develop Interim Containment Plan. In this post I will go into more detail of D4: Root Cause Analysis and Escape Points. (Now you can probably guess what my next post will be all about too.) Read on!

The Eight Disciplines Problem Solving (8D)—D2 and D3

Christoph Roser July 29, 2025

In this series of posts I go through the Eight Disciplines Problem Solving (8D) in more detail. In my last post, I talked about D0: Preparation and Emergency Response Actions and D1: Establish a Team. In this post I will go into more detail of D2: Describe the Problem and D3: Develop Interim Containment Plan. (Now you can probably guess what my next post will be all about too). Read on!

The Eight Disciplines Problem Solving (8D)—D0 and D1

Christoph Roser July 22, 2025

In my previous posts, I looked at where the Eight Disciplines Problem Solving (8D) originated from, like the Ford Pinto fuel tank scandal, and also when to use 8D (and when not to). In this post I want to go deeper into the Eight Disciplines Problem Solving and dive through all eight… actually nine steps of this 8D. Since this is a lot of material to cover, I will go though it bit by bit, with this post covering the first two disciplines D0: Preparation and Emergency Response Actions and D1: Establish a Team.

When to Use the the Eight Disciplines Problem Solving (8D)

Christoph Roser July 15, 2025

This series of blog posts looks into more detail at the Eight Disciplines Problem Solving (8D), a popular method to tackle recurring problems. In my last post, I looked at where the Eight Disciplines Problem Solving (8D) originated, like the Ford Pinto fuel tank scandal. This post goes deeper into what the Eight Disciplines Problem Solving is actually for, when to use it, and when not.

The History of the Eight Disciplines Problem Solving (8D)

Christoph Roser July 8, 2025

One popular approach to problem solving is the eight disciplines problem solving, or 8D for short (even though they are now 9D). This is an alternative to the Toyota Practical Problem Solving. I slightly prefer the Toyota approach over the 8D approach developed by Ford, but the 8D also has its advantages. Since it focuses more on urgent quality issues, it has a bigger emphasis on quick reaction and containment plans, but in my view falls a bit short on the Check and Act of the PDCA. I will talk more about the 8D in my next post. But first let’s look at the history of the 8D problem solving, starting with the infamous Ford Pinto fuel tank issue…

Hard Math in Lean: Selected Equations

Christoph Roser July 1, 2025

I am a scientist, and I try to understand how the world works, particularly in my field of manufacturing and lean production. (I also try to teach others about this, e.g., through this blog.) Hence, in this post I will look at different equations used in lean. Somehow, there are not that many…

Asking Man—Machine—Material—Method… and Then Some… for the Toyota Practical Problem Solving

Christoph Roser June 24, 2025

In my last post, I looked at the questions What—When—Where—Why—Who—How… and Then Some… for the Toyota Practical Problem Solving. In this post I will look into another, similar structure that could also be used, namely Man—Machine—Material—Method, again with quite a few possible expansions and alternatives. This can be used both to structure the problem (i.e., a root cause analysis) or to break down the problem into smaller, more manageable pieces.

Welcome to AllAboutLean

The #1 Blog on Lean Manufacturing*

And now, scroll down, enjoy our blog, and... organize your industry!