737 Flight Crew Operations Manual
Fire Protection -
Controls and Indicators
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D6-27370-866-EGP 8.10.9
1 TEMPERATURE INDICATOR Placard
White – normal condition.
Black – exposed to high temperatures.
2 Heat Activated Nozzles
Flat black – normal condition.
Aluminum – indicates extinguisher has discharged.
Both nozzles discharge toward the towel disposal container.
September 15, 2016