root cause analysis
The Source of Dirt
In Amazon’s 2008 letter to shareholders, Jeff Bezos shares about a Kaizen event he participated in:
At a fulfillment center recently, one of our Kaizen experts asked me, “I’m in favor of a clean fulfillment center, but why are you cleaning? Why don’t you eliminate the source of dirt?”
I’ve spoken numerous times about Bezos on Lean Thinking, some of which are here, here, here and here but there are many more — just browse shmula.
Customer Service and the iPhone
related update:
In some organizations, the Customer Service function is largely viewed as a cost center, draining resources of the firm. I maintain that this viewpoint is largely false and is one that less mature companies support. I believe that Customer Service is an accurate litmus test of the overall health of the firm — indeed, Customer Service can play a very strategic role in the overall health of the product, service, and Firm.
The Atomic Rules of Kaizen
Systems that are internally consistent and externally pragmatic stem from just a few rules. Systems with exceedingly many rules typically fail or will not endure. For example,
- Most mathematical truths stem from just a few axioms
- Music stems from just a handful of finite notes
- Most Martial Arts stem from a few principles of angle, attack, force, etc.
This same approach is true for Kaizen. In Kaizen, it is important to have fidelity to just a few atomic rules, from which a range of behavior will originate. Below are the rules that I subscribe to:
Jeff Bezos and Root Cause Analysis
unrelated update:
I’m always impressed when CEO’s demonstrate Deming-like behavior as they lead; it’s rare, but there’s almost a magical, mobilizing, and inspiring force that happens when CEO’s or corporate leaders behave in a respectful, inspiring, common-sense, and thoughtful way.
Today, I’m reminded of an experience back in 2004 while I worked for Amazon.com — something Jeff Bezos did that I still carry with me to this day.
Not Accountable, Not Responsible
Team size can make a big difference in the success of your service or product. What is counterintuitive for most people is that the larger the team size, the lower the likelihood of success for your service or product. Why? Entropy can set in and large teams are inherently bad vehicles for communication. More insipid, however, is that the larger the team, there is a higher likelihood of accountability and responsibility being diffused across the team.
Maintain Forward Tension
One principle in Wing Chun is the maintaining of forward tension. To explain, I’ll draw the distinction between Tension and Energy and show how this principle in Wing Chun can be applied to Change Management.
Tension is a type of Energy
A Wing Chun maxim goes as follows:
soft and relaxed strength will put your opponent in jeopardy
Fast Food Congestion
Every system has constraints — sometimes several — minor bottlenecks and major bottlenecks. What makes managing constraints even more challenging is that bottlenecks move: up-and-down the process paths.
I saw this phenomenon recently during a visit to a fast food restaurant, which I discuss in this post — but, my application of the Theory of Constraints, Lean Manufacturing, and Six Sigma as applied to a Restaurant can be applied to any Dynamic System.
