PPRuNe Forums - View Single Post - Lack of lubrication certification for helicopter gearboxes
Old 29th Jul 2017, 06:52
  #10 (permalink)  
RVDT
 
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In more recent times the 30 minutes was a piece of PR on a certain model that still does not comply to this day.

Oh hang on a minute ................thats what this thread is actually about.
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