AUDIO MGMT, MAINTENANCE, and Overhead Circuit Breaker Pane

Question 1

When would the AUDIO SWITCHING be used?

Answer 1

• Enables Captain or First Officer to utilize the overhead Audio Control Panel in case of individual ACP failure.

Question 2

Do the pilots use the maintenance panel?

Answer 2

• Only if an MEL required pressurization of the BLUE system on the ground with the engines OFF.

Question 3

Which pushbutton would be used to activate the blue system?

Answer 3

• The BLUE PUMP OVRD pushbutton

Question 4

If a mechanic pressed the APU AUTO EXTING TEST pushbutton what would occur?

Answer 4

• The APU would shut down.

Question 5

What is the significance of black and green circuit breakers?

Answer 5

• Green – monitored by ECAM• Black – not monitored by ECAM

Question 6

What is the significance of a red collared circuit breaker?

Answer 6

• The flight crew should not pull or manipulate these collared circuit breakers.