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Aero Precision provides OEM part support for military aircraft operators across more than 20 aircraft


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  1. Tristan


    2J-1-18 is a general maintenance T.O. for "Preparation For Shipment and Storage of Gas Turbine Engines". It simply gives guidance on the when and why of preservation, and tells us that fuel system components need to be drained/purged/filled with 1010. It's kind of a blanket guidance, and easily recognized by supply folks and loadmasters who are the ones who really care that a component has been preserved, and they don't need to know the specifics of preserving a T56. I assume that's why we use it, anyway.
  2. I just wanted to throw in my $.02 on an old topic: I've seen this twice, once in Al Udeid in 2009, and again at Hurlburt in 2014. In Qatar, it was a propeller that came in to the prop shop, and at Hurlburt, I found it on a flameout inspection. In both instances, the bearing in the differential gear in the pump housing failed, allowing the spring tension on the beta shaft to slam to reverse, and in the process snapping off the beta feedback gear. This was different than the case described, however, because both instances resulted in a flameout.
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