PPRuNe Forums - View Single Post - 737 APU fire warning horn

29th Sep 2010, 09:25

#9 (permalink)

J31 MAN

Join Date: Jan 2005

Location: MAN

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The warning horn you hear is the ground crew call horn NOT the APU fire warning. It is in the nose landing gear bay and is to warn that the ADIRU's are on DC power. For the NG at least.

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