Dupont Fuel Additive Ban Targets 737 MAX Fuel Systems

parked Air Canada aircraft
Credit: JoePriesAviation.net
Regulators have banned the use of Dupont’s Kathon FP 1.5 biocide in Boeing 737 MAXs, the first of what is likely to be a series of mandates to protect fuel systems from in-service incidents linked to the antimicrobial fuel system additive. The July 14 FAA airworthiness directive, immediately adopted...

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