Chapter 6.80 - Fire Protection

Question 1

What happens when the engine fire handle is pulled?

Answer 1

3 - Closes both engine and spar fuel valves
3 - Closes the engine bleed air valve
3 - Closes the hydraulic shutoff valve

2 - Disarms the engine driven hydraulic pump LOW PRESSURE light
2 - Disarms the thrust reverser

1 - Arms the fire bottle squibs

0 - Opens the generator field

Question 2

What happens when the APU fire handle is pulled?

Answer 2

3 - Closes the APU fuel valve
3 - Closes the APU bleed air valve
3 - Closes the APU inlet door

1 - Arms the APU fire bottle squib

0 - Opens the generator field

Question 3

If the FAULT light does not illuminate during FAULT/INOP test what does this indicate?

Answer 3

Failure of the fault detector to be able to detect a fault

Question 4

What does an illuminated FAULT light indicate?

Illuminated APU DET INOP light?

Answer 4

Loss of fire detection on at least one engine

Loss of APU fire detection

Question 5

If the amber FAULT light comes on during the OVHT/FIRE test what does this indicate?

Can you isolate the problem further?

Answer 5

Indicates a failure of at least one loop

Move the OVHT DET switches to A and B one at a time to isolate the faulty loop

Question 6

What does an amber DETECTOR FAULT light indicate on the cargo fire panel?

Answer 6

One or more of the selected detector loop(s) in either cargo compartment has failed