AD 2019-12-01
Effective 07/03/2019 · Published 06/18/2019
Airworthiness Directives; CFM International S.A. Turbofan Engines
Summary
The FAA is adopting a new airworthiness directive (AD) for certain CFM International S.A. (CFM) LEAP-1B21, -1B23, -1B25, -1B27, - 1B28, -1B28B1, -1B28B2, -1B28B3, -1B28B2C, -1B28BBJ1, and -1B28BBJ2 model turbofan engines. This AD requires initial and repetitive inspections of the transfer gearbox (TGB) scavenge screens and, depending on the results of the inspection, possible removal of the engine from service. This…