Define the problem
Although t he first step is fairly simple and straightforward, it is of great importance to
the whole process. A critical problem needed a permanent fix and that worth brainstorming
withthe team for which the root cause has to be identified should be formulated in CT terms
(see above). The six sigma leader and facilitator should do it togetherinterviewing the
responsible manager (engineer). As stated above, the problem should be definedwith its
clear metric(s).