Summary
We propose to adopt a new airworthiness directive (AD) for certain General Electric Company (GE) GEnx-2B67, -2B67B, and -2B67/P turbofan engines. This proposed AD was prompted by low-cycle fatigue (LCF) cracking of the fuel manifold leading to an engine fire. This proposed AD would require removal from service of certain fuel manifolds at the next engine shop visit and their replacement with parts eligible for installation. We are proposing this AD to address the unsafe condition on these products.