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Biocide overdose blunder suspected in A321 dual-engine incident (2020)
UK investigators probing a serious dual engine problem on a departing Airbus A321 have discovered its fuel system had previously been overdosed with biocide, after a maintenance engineer misunderstood a measurement term. The engineer was confused by the term 'ppm' - meaning 'parts per million' - while conducting a biocidal ...
The engineer was confused by the term ‘ppm’ – meaning ‘parts per million’ – while conducting a biocidal shock treatment of the Titan Airways A321’s fuel tanks, as the jet neared the end of a month-long maintenance check. “No control measures were in place at the [maintenance organisation’s] stores or planning departments to prevent unusually large quantities of chemicals being issued to [engineering] staff.” While the inquiry suspects the excessive level of Kathon FP 1.5 biocide is connected to the subsequent engine problems, it is still working to understand the impact of the errors.
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