PPRuNe Forums - View Single Post - Lack of lubrication certification for helicopter gearboxes
Old 4th August 2017 | 11:34
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SASless
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From: Downeast
Within a page or two...you get a very quick answer to your question.

I did not read further as it is early and I am just getting into my first Cup of Coffee!


https://ntrs.nasa.gov/archive/nasa/c...9910005833.pdf
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