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.
Airworthiness DirectiveMaintenanceSafety MgmtGeneral Electric CF6-80E1