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737-800 SAI > Fire Protection > Flashcards

Flashcards in Fire Protection Deck (13)
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1
Q

Pulling the engine fire switch does what?

A
  • closes both the engine fuel shutoff valve and the spar fuel shutoff valve
  • closes the engine bleed air valve resulting in loss of wing anti-ice to the affected wing and closure of the bleed air operated pack valve
  • trips the generator control relay and breaker
  • closes the HYD fluid shutoff valve. The engine dirven HYD pump LOW PRESSURE light is deactivated
  • disables the thrust reverser for the related engine
  • allows the engine fire switch to be rotated for discharge
  • arms one discharge squid on each engine fire extinguisher bottle
2
Q

Where is the APU ground control panel?

A

Right main wheel well

3
Q

the APU fire extinguisher system consists of?

A

one APU fire extinguisher bottle,
an APU fire switch,
an APU BOTTLE DISCHARGE LIGHT, and
an EXT TEST switch

4
Q

If the FAULT light is illuminated what has happen?

A

Both loops have failed on the engine

5
Q

The engine fire extinguisher system consists of?

A

two engine fire extinguisher bottles, two engine fire switches, two BOTTLE DISCHARGE lights and an EXT TEST switch

6
Q

Main wheel well fire protection consists of and is powered by?

A

detection only, not extinguishing system // nose wheel well does not have a fire detection system // AC transfer bus 2 and battery bus

7
Q

Pulling the APU fire switch does?

A
  • provides backup for the automatic shutdown feature
  • deactivates the fuel solenoid and closes the APU fuel shutoff valve
  • closes the APU bleed air valve
  • closes the APU air inlet valve
  • trips the APU generator control relay and breaker
  • allows the APU fire switch to be rotated for discharge
  • arms the APU fire extinguisher bottle squib
8
Q

how many fire detector loops are there for the APU

A

UNO

9
Q

if the single loop is INOP what light will illuminate?

A

APU DET INOP

10
Q

Cargo compartment fire protection consists of?

A
  • Cargo compartment smoke detection powered by DC bus 1 and DC bus 2
  • cargo compartment fire suppression powered by the hot battery bus
11
Q

Each engine contains two (Blank / Blank)

A

two overheat and fire detector loops

12
Q

What happens when you discharge cargo fire disch switch?

A

the first bottle is completely discharged in the selected compartments, the second bottle discharges at a reduced rate

13
Q

What compartments are fire bottles installed?

A

FWD or AFT no main deck