Fire Protection Flashcards
Three conditions that would trigger an engine FIRE warning
1) Both loops detect a fire
2) One loop inop and remaining loop detects fire
3) Break occurs in both loops w/in 5 sec of each other
Will the APU auto-shutdown in flight with APU FIRE detected?
No
With an APU FIRE indication on the ground, what two things occur?
Emergency shutdown begins
Fire extinguishing bottle discharges
ENG FIRE pushbutton pushed and released, what occurs? (2-1-2-1-2)
Hydraulic shutoff valve closes Low pressure fuel valve closes Engine bleed closes Pack FCV closes 2 squibs armed IDG deactivated Alarm silenced
What should we see when we do an ENG FIRE TEST?
FIRE light SQUIB lights DISCH light Master Warning ECAM Pedestal FIRE p/b
What occurs when we push/release APU FIRE pushbutton?
APU shutdown Arms squib Closes low press fuel valve Shuts off APU fuel pump Closes APU bleed valve Closes Crossbleed valve Deactivates generator
Cargo extinguishing agents have ____ nozzles in fwd compartment and ____ nozzles in aft compartment.
2, 4
Cargo smoke indication causes what two actions to occur?
Aft isolation valve closes
Extract fan stops
What’s the sequence of events with FWD/AFT SMOKE?
Agent 1 toggle ~60 minutes later DISCH 1 appears DISCH AGENT 2 appears Agent 2 toggle DISCH 2 appears
What does SMOKE indication in GEN 1 LINE indicate?
Smoke in the avionics duct
What occurs when GEN 1 LINE pushbutton is pushed?
GEN 1 Line contactor opens
AC Bus 1 powered by GEN 2 via bus tie
Separate circuit from GEN 1 to one fuel pump in each tank
What does FAULT indicate in RAT & EMER GEN pushbutton?
AC 1&2 not powered and Emer Gen not providing power
What will cause RAT to auto-deploy? (2)
Airspeed > 100 kts
AC 1&2 not powered
