The FAA is calling for “independent inspections” after certain maintenance actions on a large number of CFM56-3 and -7B turbofans in the U.S. fleet, engines that power the Boeing 737 Classic and Next-Generation fleet. A proposed airworthiness directive (AD), to be published today, is designed to prevent total loss of engine oil from the turbofans in situations where mechanics forget to reinstall the “handcranking pad covers” on accessory gearboxes. The cover, which is opened or ...


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