Superseded. This AD was superseded by AD 2018-12-03. Verify which one applies to your serial and effectivity before any maintenance action.
AD 2013-11-09
Effective 07/05/2013 · Published 05/31/2013
Airworthiness Directives; Turbomeca S.A. Turboshaft Engines
Summary
We are superseding an existing airworthiness directive (AD) for Turbomeca S.A. Arrius 2B, 2B1, and 2F turboshaft engines. That AD currently requires replacement of injector manifolds and borescope- inspection of the flame tube and the high-pressure (HP) turbine area for possible damage. This new AD requires, depending on the engine model, repetitive replacements of fuel injection manifolds and the privilege injector…