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Old 24th Nov 2008, 21:03
  #157 (permalink)  
Albergineman
 
Join Date: Jul 2006
Location: Bahrain
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Talking Another help on the ENG Fire test...
There are at least two misunderstood concepts regarding engine fire test in the Airbus:
First:
On the A320 series, each engine fire system has its own fire test pushbutton. On the A330/A340 series there is only one engine fire test pushbutton that perform the test simultaneously on all engines.
Second:
Pressing the Master Warning light during the test does not have any effect and it is not part of the procedure at all. There are cases of serious misunderstanding specially on the A340, where pilots and even engineers (!) press the master warning light four times (!) believing that doing this they are “testing all four fire system”.
All this information you can find on the respective FCOM 1 chapter and FCOM 3 SOP.
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