Lean is one of the popular concept has been practiced in most company. However, there are
a lot of companies who implement lean are not realized whether lean level of company is improve or
relegate .Thus, it is important to inspect the lean result after implementation of lean. So, this study
presents to make the result comparison for lean behavior after implement lean for one year thru People
development system which improves problem solving capabilities of people in eliminating wastages.
Furthermore, the importance of problem solving capabilities of people in implementing lean process
management also will be discussed. The survey was conduct in an aero composite manufacturer kitting
department. Self-administered questionnaire has been selected to be the survey instrument. These
questionnaires were distributed to 45 employees work in the kitting department. Results of feedback are
collected and analyzed by using the Statistical Package for Social Science (SPSS) software version 13.
The outputs of the analysis were in the form of index values, percentages and hypothesis testing.The result
showed the improvement on lean behavior with the help of people development system implementation
which enhance the people capabilities in eliminating wastages. These are supported by comparing the
survey results on lean behavior for beginning and end of the year with the monitoring of real life data
on the case study
