PT6 Engine Accessories shaft

Submitted by GaryCaravella@g... (Gary Caravella) on Wed, 03/02/2022 - 17:25

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After re-machining the Evade pulley that drives the Evade alternator somehow unfortunately the accessories shaft broke where it is machined smaller to break in the event of excessive loads. Not sure why this happened but the real problem is getting a replacement shaft. We are told that the accessories housing was for a Cheyenne aircraft. We are looking all over for a new shaft or an entire accessories housing. Does anyone have any ideas??  

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