AD 2018-20-22
Effective 11/13/2018 · Published 10/26/2018
Airworthiness Directives; General Electric Company Turbofan Engines
Summary
We are adopting a new airworthiness directive (AD) for all General Electric Company (GE) GE90-110B1, GE90-113B, and GE90-115B turbofan engines with a certain case combustor assembly (combustion case) installed. This AD requires removal of affected combustion cases from service and their replacement with a part eligible for installation. This AD was prompted by the discovery of a quality escape at a manufacturing fac…