The aim of this article is to present the results of our recent work in the field of development projects management. The issue that we have raised is to determine the dysfunction profile of a company. From an approach developed in maintenance, we propound on one hand a generic plan of the decision-making process, and on the other, we recapitulate work connected with competence management, to offer a representation frame of dysfunction sources. This double entry has the advantage of supplying views that take into account the human being, and thus, which are more realistic. Then, on an operational level, we set out an information index card summing up the two previous plans that helps the documentation of decision processes. We apply the associated methodology called SACADO to the case of a company, and finally, we report and examine the results