What are "problems", and why are they so hard to solve? Learning the barriers to problems is the first step in tearing them down so you can solve them better.
While all problems are unique, they fall into a handful of general categories. Knowing about these categories helps you approach the problem in a more effective manner.
An effective problem statement for your project will keep you focused. It will also help you 'sell' the need for the project to acquire resources.
This video uses the kaizen charter as its backdrop, but the lesson is the same for A3 Reports or other problem solving projects.