Originally Posted by
HeliboyDreamer
Is this only for that type of aircraft or does it apply generally to all types?
It was more of an issue with earlier model Allison C20s. Includes B206s not sure if the early H500Cs were affected but it is the same engine.
... and there have been ongoing issues with later versions of the engine. I remember Dick Smith queried this way back when he owned a 206.