September 11, 201312 yr Hi, I suspect I might have found an error in the Fire protection FAULT light logic. According to the FCOM, with the fire detection loop switches in "normal", failure of both detection loops for an engine causes the FAULT light to illuminate. (No master caution) This means, suppose loops A and B for engine 1 fail -> FAULT light illuminates. In the NGX though, I need to fail all 4 loops (e.g. Loop A and B for engines 1 AND 2) in the FMC/failures menu, for the fault light to illuminate. Please correct me if I missed something. Greetz, Bob
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