Fire Protection

Question 1

(756) Describe the indications of an engine fire warning.

Answer 1

1.) Fire Bell
2.) Master Warning Lights
3.) Fwd discrete FIRE light
4.) EICAS (L/R) fire
5.) ENG fire switch
illuminates and unlocks
6.) ENG fuel control switch
illuminates

Question 2

(756) Describe the indications of an APU fire warning.

Answer 2

1.) Fire Bell
2.) Master Warning Lights
3.) Fwd discrete FIRE light
4.) EICAS APU Fire
5.) APU fire switch
illuminates and unlocks
6.) APU auto shutdown

Question 3

(756) Describe the indications of a cargo fire warning.

Answer 3

1.) Fire Bell
2.) Master Warning Lights
3.) Fwd discrete FIRE light
4.) EICAS (FWD/AFT) Fire
5.) Cargo (FWD/AFT) fire
light illuminates

Question 4

(756) Recall the fire detection and extinguishing capabilities of the wheel
wells.

Answer 4

Fire Warning
 The Main gear wheel well has fire detection capability but does
not have extinguishing capability.
 The Nose gear wheel well has no detection or extinguishing
capabilities.

1.) Fire Bell
2.) Master Warning Lights
3.) Fwd discrete FIRE light
4.) EICAS Wheel well fire
5.) WHL WELL FIRE light
above landing gear lever

Question 5

(756) Recall the meaning of an illuminated SYS FAIL (system fail) FAIL P-RESET light.

Answer 5

 Indicates a failure of the detectors in one of the following
systems:
- Engine Fire (2 loops and   
  BOTH loops have failed)
- Engine Overheat (2 loops 
  and BOTH loops have 
  failed)
- APU Fire (2 loops and 
  BOTH loops have failed)
 - Cargo Fire (2 smoke 
   detectors and BOTH 
   detectors have failed) 

System Fail Reset switch (FAIL P – RESET)
 Push – extinguishes the FAIL P-RESET light and allows
monitoring of the remaining systems (The pilot will be directed to
accomplish this via the QRH).

Question 6

(756) Describe the meaning of an illuminated ENG BTL, APU BTL or
CARGO FIRE BTL DISCH light.

Answer 6

The extinguisher bottle has been discharged or has low pressure.

Question 7

(756) Recall the function of the Engine or APU fire override switch.

Answer 7

Unlocks the respective engine or APU fire switch.

Question 8

Describe the indications of a L/R ENG OVHT(Engine Overheat) caution.

Answer 8

 Indicates an engine overheat is detected.

1. ) Caution beeper
2. ) Master Caution lights
3. ) (L/R) ENG OVHT light
4. ) EICAS (L/R) ENG OVHT