THE ASSESSMENT OF ELECTRONICS CORRECTIVE MAINTENANCE PERFORMANCE: I. PERFORMANCE ON THE AN/URC-32 BY NAVY ELECTRONICS TECHNICIANS.
UNIVERSITY OF SOUTHERN CALIFORNIA LOS ANGELES ELECTRONICS PERSONNEL RESEARCH GROUP
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Corrective maintenance involves problem solving and problem removal. This study was concerned with the former. The problem solving aspects of corrective maintenance are represented in system state recognition, fault localization, circuit isolation and component isolation tasks. Four performance tests incorporating these criterion tasks were developed for the ANURC-32 transceiver, and administered to a sample of fifty-four shipboard Navy ETs who were responsible for the maintenance of the ANURC-32 aboard their ships. The test results showed that very few of the ETs in the sample could successfully perform the criterion tasks of system state recognition and fault localization. They were somewhat better on the criterion tasks of circuit and component isolation, although, this was highly dependent upon the nature of the malfunction. The greatest weaknesses in criterion skills were in equipment operation, sympton recogniton, and test equipment use. Training, hardware design, and software design recommendations for the improvement of corrective maintenance on the ANURC-32 are made. These recommendations are based on analyses of the scores contained in the tests. Author