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

29th September 2010 | 09:25

#9 (permalink)

J31 MAN

Joined: Jan 2005

Posts: 44

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From: MAN

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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