FAA and the European Aviation Safety Agency (EASA), acting on manufacturer CFM International's recommendations, have mandated a tighter timeline for initial inspections of higher-time CFM56-7B fan blades. In airworthiness directives (ADs) published May 17, each regulator changed the deadline for inspecting blades with between 20,000 and 30,000 cycles since new to June 30. The previous deadline, established by ADs issued last month, was Aug. 31. "It has been determined that the initial ...


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