Doors/Slides and Fire Protection

Question 1

How does one correctly open and close the MCD and Service doors?

Answer 1

Disarm the slide and check for green disarmed indication first then open. When closing, after fully locked arm the slide and indication is showing armed

Question 2

What should be done in the event of inadvertent partial or full slide deployment?

Answer 2

Call Mx

Question 3

Are there scenarios where the Post Flight External Inspection can be waived for the inbound crew?

Answer 3

When the outbound crew arrives before the inbound crew and the aircraft remains powered up

Question 4

How many halon bottle(s) serve engine fire suppression?

Answer 4

2 Total on Aircraft.

Question 5

Pulling the fire handle does what?

Answer 5

Closes the Fuel SOV , Hydraulic SOV, Bleed Air SOV, and XFeed Bleed Air valves

Question 6

Rotating the fire handle does what?

Answer 6

Activates the Halon Bottle A or Halon Bottle B for the respective engine

Question 7

What are the indications of an Engine Fire?

Answer 7

Fire is displayed on the ITT gauge, Triple chime/fire bell, and fire handle illuminates

Question 8

In the event of fire protection system component failure what indications will there be?

Answer 8

An EICAS caution message will be displayed and fire on that system can no longer be detected

Question 9

When an extinguishing bottle is discharged, what also may happen?

Answer 9

The fire handle illumination may be lost, if the EICAS message is still active the fire condition persists

Question 10

How many halon bottle(s) serve APU fire suppression? And what happens when the fire extinguishing button is pressed?

Answer 10

One. APU Fuel SOV closes, Halon extinguisher discharges, and the red striped bar on the APU EMER STOP button is turned off

Question 11

What does pressing the APU EMER STOP button do?

Answer 11

Closes the APU Fuel SOV
Shutdowns the APU
lights up the APU extin. Button
bottom half illuminates white

Question 12

Will the APU automatically shut down for fire? If so, when?

Answer 12

Yes. On the ground 10 seconds after fire detection.
APU FADEC will shut down if: UFO/SHELF on ground or UFO in flight.
Anytime 1 minute has gone by since detection and the APU Emer Stop button hasn’t been pressed the APU extinguish light will come on.
Underspeed, FADEC Fault, Overspeed, Sensor Fail, High Oil Temp, EGT High Temp, Low Oil Temp, Fire

Question 13

How many fire detectors are in each cargo bin? Smoke detectors?

Answer 13

0 fire detectors. 3 smoke detectors in FWD bin, 2 smoke detectors in AFT bin

Question 14

How many halon bottle(s) serve Cargo fire suppression?

Answer 14

One high rate bottle and one low rate bottle (75 min of flow, 60 min to divert)

Question 15

Will any cargo bottle automatically discharge at any time?

Answer 15

With EICAS message: Press once for H rate, wait 1 min for L rate

Without EICAS message: Press twice for H rate, wait 1 min for L rate

If on ground, press button again if H rate isn’t enough to start L rate

Question 16

How do I discharge the low-rate bottle for a non-enunciated forward cargo fire on the ground?

Answer 16

Press twice for H rate, and press again for L rate. 3 times (If there is no message, you have to arm the system; press twice for H)

Question 17

What closes if there is a cargo fire?

Answer 17

After smoke is detected in the FWD bin, the air circulation fan and FWD bin ventilation outflow valve is closed and the hi rate bottle is armed in flight.

Question 18

How is a lavatory fire detected?

Answer 18

One Smoke detector in each Lav, 2 Total

Question 19

What happens when a LAV SMOKE EICAS message appears?

Answer 19

Master warning light comes on, smoke alarm sounds and smoke detector light comes on in the lavatory, and a flashing amber light on the FA panel illuminates

Question 20

Does LAV SMOKE mean the halon bottle has discharged?

Answer 20

Only when the temperature of the waste container exceeds a certain limit, the system automatically discharges the halon extinguisher. FA can also use hand held halon to fight fire.