Cargo Heat / Ventilation Panels - Rev 04 Flashcards

1
Q

What does the CARGO HEAT HOT AIR amber FAULT light indicate?

(FCOM-DSC-21-40-30)

A

Duct overheat

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2
Q

What is the purpose of the CABIN FANS?

(FCOM-DSC-21-10-20)

A

To re-circulate cabin air to the mixing chamber and then back to the cabin

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3
Q

With BLOWER and EXTRACT push buttons in AUTO how does the system operate?

(FCOM-DSC-21-30-20, FCOM-DSC-21-30-60)

A

a. Ground – system is normally in the OPEN configuration

b. Flight – system is normally in the CLOSED configuration

c. Intermediate – Closed configuration except small internal flap in Extract Valve is open

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4
Q

With both BLOWER and EXTRACT push buttons in OVRD (smoke configuration) what are the positions of the INLET and EXTRACT valves?

(FCOM-DSC-21-30-20)

A

INLET valve CLOSED

EXTRACT valve OPEN

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5
Q

What is the status of the Blower and Extract fans with the Blower and Extract valves in OVRD?

(FCOM-DSC-21-30-20)

A

a. BLOWER fan OFF

b. EXTRACT fan ON

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6
Q

When is air conditioning introduced into the Avionics Compartment?

(FCOM-DSC-21-30-20)

A

a. Abnormal operation

b. SMOKE configuration

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7
Q

Is the skin heat exchanger ever bypassed in flight?

(FCOM-DSC-21-30-20)

A

Yes during SMOKE configuration

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8
Q

What does an amber FAULT light on the BLOWER push button indicate?

(FCOM-DSC-21-30-60)

A

a. SMOKE warning is activated

b. Computer power supply failure

c. Low Blower pressure

d. Duct overheat

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9
Q

What does an amber FAULT light on the EXTRACT pushbutton indicate?

(FCOM-DSC-21-30-60)

A

a. SMOKE Warning is activated

b. Computer power supply failure

c. Low Extract pressure

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10
Q

With 2 FAULT lights on the VENTILATION panel are there any other indications?

(FCOM-DSC-26-30-20)

A

Yes - The SMOKE light in the GEN 1 LINE push button

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