Premature Aircraft Maintenance: A Matter of Cost or Risk?

Despite recent advances in aircraft maintenance technology, the breakdowns and catastrophic accidents due to human failure during maintenance activities will continue to occur. This paper argues that the impact of human error is amplified by the increased frequency of activities as a result of prema...

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Bibliographic Details
Published in:IEEE transactions on systems, man, and cybernetics. Systems man, and cybernetics. Systems, 2021-02, Vol.51 (2), p.1064-1074
Main Author: Safaei, Nima
Format: Article
Language:English
Subjects:
Accidents
Aircraft
Aircraft maintenance
Catastrophic events
Engines
Human error
human factors
life cycle costing
Maintenance costs
Maintenance engineering
Operating costs
proportional hazard model
Reliability
Safety
Statistical models
Task analysis
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Summary:Despite recent advances in aircraft maintenance technology, the breakdowns and catastrophic accidents due to human failure during maintenance activities will continue to occur. This paper argues that the impact of human error is amplified by the increased frequency of activities as a result of premature maintenance (PRM). PRM refers to predated or early maintenance tasks resulting in additional activities over a long horizon. A novel methodology is proposed to monetize the impact of PRM and show its contribution to total maintenance cost. The proposed methodology is inspired by the proportional hazard model to capture the effects of human failure on the system's hazard rate. Our findings show that the contribution of PRM to the total operating cost is noticeable; this justifies a level of flight delay or even cancellation due to accommodate on-time maintenance activities.
ISSN:2168-2216
2168-2232
DOI:10.1109/TSMC.2019.2895207