AD 2017-05-09
Effective 04/13/2017 · Published 03/09/2017
Airworthiness Directives; CFM International S.A. Turbofan Engines
Summary
We are adopting a new airworthiness directive (AD) for certain CFM International S.A. (CFM) CFM56-5 turbofan engines. This AD requires removal of the radial drive shaft (RDS) assembly and the RDS outer housing and their replacement with parts eligible for installation. This AD was prompted by reports of the failure of the RDS on CFM CFM56- 5B engines. We are issuing this AD to correct the unsafe condition on these p…