Systems Flashcards

1
Q

Systems

Pulling an engine fire switch

A

Arms one discharge squib on each engine fire extinguisher
Closes fuel, hydraulic shutoff and engine bleed air valves
Disables thrust reverser
Trips generator control relay and breaker
Deactivates engine driven hydraulic pump LOW PRESSURE light
Allows engine fire switch to rotate

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2
Q

Systems

Pulling the APU fire switch

A

Arms APU extinguisher circuit
Closes fuel shutoff valve, APU bleed air valve and APU inlet door
Trips generator control relay and breaker
Allows APU fire switch to rotate

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3
Q

Systems

Systems relying on the bleed air system for operation

A

Air conditioning/pressurization
Wing and engine thermal anti-icing
Engine Starting
Hydraulic reservoirs pressurization
Water tank pressurization
Nitrogen generation system (NGS)

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