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Old 11th Nov 2008, 18:58
  #211 (permalink)  
lomapaseo
 
Join Date: Mar 2002
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Uncle maxwell

More questions on the engine surge or flame-out after birdstrike/FOD: Is it a binary decision the pilot should make (i.e. engine either working or not) or would one assume an engine as being good enough (for a G/A, say) if it still delivers a certain N1 value or performs within certain parameters? This might be a stupid question, but is there any chance of attempting to restart an engine that had a surge (assuming you got enough time and altitude)?
It's best to treat a question like this in generalities in a Tech section lest some folks jump into the mess with judgemental calls on the pilots actions in this incident.

But with some apprehension at being misunderstood I'll try to answer.

Technically even an engine which is running down with EGT through the roof can be restarted if it is not severely damaged. You have to cycle the fuel cutoff to do this before the N2 spins very far down. I just don't believe that in situations demanding knowledge, skill and "Fly-the-Aircraft-First responses you have any time to think outside boxes.
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