The Search aimed to measure performance of maintenance activities and comparative it with standard performance to standing on the gap between actually performance in organization under search and standard performance . and the search for causes result in lower performance of maintenance activities from the standard performance. and sequence, reduction utilization of machines , equipments and facilities of organization from needed level . the problem of search representive of poor activities of maintenance in keeping of machines , and facilities of organization . and then lower it performance from wanted . the hypothesis of search summaries in following “ that measurement the performance of maintenance activities in organization under search lead to find the gap between the actually performance and needed performance , and sequence determine weakness, point in maintenance and then processing it “ . the search arrived at found gap between actually and wanted performance for maintenance activities according to indicators based in search . and the recommendation in necessary available maintenance crew qualified in term efficiency , effectiveness , and experience to performance all business of preventive and remedial maintenance .