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Improving aircraft maintenance, repair, and overhaul: A novel text mining approach

Yu, J. and Gulliver, S. ORCID: https://orcid.org/0000-0002-4503-5448 (2011) Improving aircraft maintenance, repair, and overhaul: A novel text mining approach. In: International Conference on Intelligent Computing and Intelligent Systems, November 18-20, 2011, Guangzhou, China.

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Abstract/Summary

Aircraft Maintenance, Repair and Overhaul (MRO) feedback commonly includes an engineer’s complex text-based inspection report. Capturing and normalizing the content of these textual descriptions is vital to cost and quality benchmarking, and provides information to facilitate continuous improvement of MRO process and analytics. As data analysis and mining tools requires highly normalized data, raw textual data is inadequate. This paper offers a textual-mining solution to efficiently analyse bulk textual feedback data. Despite replacement of the same parts and/or sub-parts, the actual service cost for the same repair is often distinctly different from similar previously jobs. Regular expression algorithms were incorporated with an aircraft MRO glossary dictionary in order to help provide additional information concerning the reason for cost variation. Professional terms and conventions were included within the dictionary to avoid ambiguity and improve the outcome of the result. Testing results show that most descriptive inspection reports can be appropriately interpreted, allowing extraction of highly normalized data. This additional normalized data strongly supports data analysis and data mining, whilst also increasing the accuracy of future quotation costing. This solution has been effectively used by a large aircraft MRO agency with positive results.

Item Type:Conference or Workshop Item (Paper)
Refereed:Yes
Divisions:Henley Business School > Business Informatics, Systems and Accounting
ID Code:25952
Uncontrolled Keywords:Aircraft, MRO, Text Mining, Quotation
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