Transport i lotnictwo · 05/04/2023

FAA Issues Superseding Airworthiness Directive for CFM International Turbofan Engines

The Federal Aviation Administration (FAA) is superseding an existing airworthiness directive (AD) for certain CFM International, S.A. CFM56-5B and CFM56-7B model turbofan engines due to cracks found in the rotating air HPT front seal, requiring removal, inspection, and replacement of the affected seal and potentially other components.