AD 2010-01-05
Effective 02/18/2010 · Published 01/14/2010
Airworthiness Directives; CFM International, S.A. CFM56-7B Series Turbofan Engines
Summary
The FAA is adopting a new airworthiness directive (AD) for CFM International, S.A. CFM56-7B series turbofan engines. This AD requires initial and repetitive eddy current inspections (ECIs) of certain part number (P/N) low-pressure (LP) turbine rear frames. This AD results from a refined life analysis by the engine manufacturer that shows the need to identify an initial and repetitive inspection threshold for inspect…