RCA Tour
Fishbone diagram
Fishbone diagram
Fishbone diagram
Add a direct cause
Continue to brainstorm and add all the potential direct causes for the problem to the Fishbone diagram.
Prioritize (probable / non-probable)
When you are done, prioritize the most likely direct causes by marking them as Probable.
The probable direct causes are displayed at the top of each category.
Edit
Click on the text to edit the direct cause.