EASA AD US-2025-05-02
Engine - Stage 1 Turbine Forward Cooling Plate and Stage 2 Turbine Aft Cooling Plate - Replacement
Summary
The document titled 'Engine - Stage 1 Turbine Forward Cooling Plate and Stage 2 Turbine Aft Cooling Plate - Replacement' is a regulatory directive concerning the replacement of specific turbine cooling plates in aircraft engines. It addresses maintenance and replacement procedures for the Stage 1 turbine forward cooling plate and the Stage 2 turbine aft cooling plate components. The directive is relevant to aviation maintenance professionals responsible for engine upkeep and safety compliance.
What Changed
This document introduces requirements for the replacement of the Stage 1 turbine forward cooling plate and the Stage 2 turbine aft cooling plate in affected engines. It specifies the parts to be replaced and the conditions under which replacement is mandatory. The directive establishes new maintenance actions to ensure continued airworthiness of the engines.
Why It Matters
This directive is important for aviation operators and maintenance organizations because it ensures the reliability and safety of critical engine components. Compliance helps prevent potential engine failures related to cooling plate degradation, thereby enhancing flight safety and reducing unscheduled maintenance. It also provides clear guidance for maintenance planning and parts management.
What To Do
Operators and maintenance teams must identify engines equipped with the affected cooling plates and schedule replacements as specified by the directive. They should follow the prescribed procedures for removal and installation of the new cooling plates. Any compliance deadlines or inspection intervals stated in the directive must be adhered to promptly to maintain regulatory compliance.