Fire / Cargo Smoke Panels - Rev 04

Question 1

Where are the engine fire loops installed?

(FCOM-DSC-26-20-10)

Answer 1

Pylon nacelle

Engine core

Fan section

Question 2

What happens if both fire loops fail?

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Answer 2

If the failure of both loops occurs within 5 seconds of each other, a FIRE warning will be issued.

Question 3

What does an amber DISCH light mean?

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Answer 3

The fire extinguisher bottle has lost its pressure.

Question 4

How many fire extinguishers are provided for each engine?

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Answer 4

2

Question 5

List the actions that occur when an ENGINE FIRE pushbutton is pressed.

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Answer 5

a. 2 – Silences the aural fire warning and arms the fire extinguisher squibs

b. 1 – Closes the hydraulic fire shut off valve

c. 2 - Closes the low-pressure fuel valve and the IDG fuel return valve

d. 1 – Deactivates the IDG (FADEC power supply also deactivated)

e. 2 - Closes the pack flow control and engine bleed valves

Question 6

What occurs when you press the TEST pushbutton on the ENGINE FIRE panel?

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Answer 6

CRC sounds

7 lights:

MASTER WARN lights flash (2)

ENG FIRE pb illuminates red (1)

SQUIB and DISCH lights illuminate (2)

ECAM FIRE WARNING (1)

FIRE light on the ENG panel illuminates (1)

Question 7

How many fire extinguishers are provided for the APU?

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Answer 7

1

Question 8

List the actions that occur when the APU FIRE pushbutton is pressed.

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Answer 8

a. 2 – Silences the aural fire warning and arms the APU fire extinguisher squib

b. 1 – Shuts down the APU (ECB)

c. 2 - Closes the low-pressure fuel valve and shuts OFF the APU fuel pump

d. 1 – Deactivates the APU generator

e. 2 - Closes the APU bleed and X bleed valves

Question 9

What occurs when you press the APU FIRE TEST pushbutton?

(FCOM-DSC-26-20-20)

Answer 9

a. CRC sounds

b. 5 Lights:

c. MASTER WARN lights flash (2)

d. APU FIRE pb illuminates red (1)

e. SQUIB and DISCH lights illuminate (1)

f. ECAM FIRE WARNING (1)

Question 10

Does the APU fire extinguisher automatically discharge if a fire is detected on the ground?

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Answer 10

Yes. The APU will automatically shut down and the APU fire extinguisher will discharge

Question 11

Does the APU fire extinguisher automatically discharge if a fire is detected in flight?

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Answer 11

No

Question 12

How many fire extinguishers are provided for the cargo compartments - ETOPS / Non ETOPS?

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Answer 12

a. 1 bottle, which can be discharged to either compartment

b. 2 bottles, which can be discharged to either compartment. 205 min discharge requirement for ETOPS (ETOPS certified aircraft)

Question 13

What does the red SMOKE light in the FWD or AFT pushbutton indicate?

(FCOM-DSC-26-50-30)

Answer 13

a. Both channels detect smoke, or

b. One channel faulty and the other detects smoke

Question 14

How many smoke detectors are there?

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Answer 14

2 forward cargo

4 aft cargo

Question 15

With a CARGO SMOKE warning what happens to the Isolation Valve and Extract Fan?

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Answer 15

Isolation Valve closes

Extract Fan stops