EASA AD US-2025-10-11
Engine - High-Pressure Turbine (HPT) Stage 1 and HPT Stage 2 Disks - Replacement
The Federal Aviation Administration's Airworthiness Directive 2025-10-11 addresses certain General Electric Company Model CF6-80E1A2, CF6-80E1A3, CF6-80E1A4, and CF6-80E1A4/B engines. It mandates the replacement of specific high-pressure turbine (HPT) stage 1 and stage 2 disks identified by part and serial numbers due to manufacturing defects involving iron inclusion. This directive aims to prevent potential uncontained engine failures caused by premature disk fracture.