EASA AD 2021-0089R1
Engine — Propeller Gearbox Shaft Flange — Inspection
Summary
EASA Airworthiness Directive 2024-0198 is an informational document concerning the inspection of the propeller gearbox shaft flange on Europrop International GmbH TP400-D6 engines. This directive applies specifically to military aircraft equipped with TP400-D6 engines, as there are currently no such engines in civil service. The document serves as a recommendation for military authorities to issue their own legally binding airworthiness directives.
What Changed
This document introduces an advisory record rather than a formal airworthiness directive because no TP400-D6 engines are currently in civil use. It provides guidance to military authorities on inspecting the propeller gearbox shaft flange and encourages them to issue their own applicable directives. No new compliance requirements are imposed on civil operators.
Why It Matters
This advisory is important for military aviation professionals and maintenance organizations as it highlights a potential inspection area for TP400-D6 engines. It ensures that military operators are aware of recommended inspection practices to maintain engine safety and reliability. Compliance teams should recognize that legally binding requirements will come from their respective military authorities.
What To Do
Military operators and maintenance organizations should contact their responsible military airworthiness authority to obtain the applicable airworthiness directive for the TP400-D6 engine. They should follow the inspection recommendations as issued by their national military authority. Civil operators are not affected and no action is required.
Your fleet's weekly compliance brief
AI-summarized regulatory changes, compliance deadlines, and action items — filtered to your aircraft, every Monday.
AI-generated summary from official EASA source document. Always verify against the original.