EASA Regulations for Boeing 777-200ER

EASA AD US-2023-05-17

Engine - High Pressure Turbine Stage 2 Nozzles and Blades / Exhaust Centerbody - Inspection / Replacement

Airworthiness Directive 2023-05-17 is a final rule issued by the FAA addressing certain General Electric Company GE90-76B, GE90-85B, GE90-90B, and GE90-94B turbofan engines. It mandates inspections and replacement procedures for the high-pressure turbine (HPT) stage 2 nozzles and blades, as well as the exhaust centerbody, to prevent in-flight shutdowns caused by cracking and component liberation. This directive applies to engines installed on aircraft such as the Boeing 777-200ER.