Patent Document ID: 5394543
Application ID: 08040166
Patent Flag: 1

Claim One:
1. A machine initiated maintenance apparatus connected to and colocated with a customer system for identifying failed field replaceable units in said customer system, which customer system includes a plurality of field replaceable units, each of which contains at least one operational element thereon, comprising: means for detecting the presence of a failure in said customer system; means for generating a failure report which contains data relevant to said detected failure, including an identification of the failure mode and all operational elements on all field replaceable units that were cooperatively operative during said detected failure; means for storing said failure report; means for maintaining a failure analysis history containing data identifying each of said field replaceable units and associated composite failure data representative of known field replaceable unit failures; means for comparing, substantially contemporaneously with occurrence of said failure, said stored failure report with said failure analysis history; means for identifying at least one failed field replaceable unit based on said comparison.