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42 Cards in this Set
- Front
- Back
How is an ENG OVERHEAT condition indicated?
|
MASTER CAUTION, OVHT/DET annunciator & associated ENG OVERHEAT lights
illuminate |
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What does an illuminated fire control panel FAULT light indicate when no fire test is being
performed? |
Both loops on one engine have failed in the dual loop position (NORMAL) or selected
single loop on an engine has failed |
|
The FAULT light illuminates on the engine fire control panel with no fire test being performed. Are
there any other lights or indications? |
No. No additional indications are triggered with a FAULT light on
|
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What are the power sources for engine fire detection & extinguishing?
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Detection - Battery bus; extinguishing - Hot Battery bus
|
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Which statement regarding the engine fire extinguisher bottles is correct?
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Two bottles available for either engine
|
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How is the squib on an engine fire extinguisher bottle armed?
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Pulling the fire switch arms the squib
|
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How are the engine fire warning switches (red handles) released?
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Released by overheat, fire or manually
|
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How is the engine fire extinguisher bottle discharged?
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Pull illuminated fire warning switch up, rotate either to the left or right
|
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What does an illuminated BOTTLE DISCHARGED light indicate?
|
Extinguisher bottle has discharged
|
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What is the function of the OVHT/FIRE position of the FIRE TEST switch? (Normal AC power on
the generator buses) |
Tests all aircraft fire and overheat loops
|
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During an extinguisher system test (squib test) what does an engine fire extinguisher illuminated
green EXT TEST light indicate? |
Discharge circuit test is normal for respective extinguisher circuit
|
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Which statement describes the APU fire detection system?
|
Single loop system for fire or fault detection
|
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What does an illuminated APU DET INOP light indicate when no fire warning test is being
performed? |
Failure in the APU fire detector loop
|
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What occurs when an APU fire condition is detected? (cockpit only)
|
APU fire warning & master FIRE warning lights illuminate and fire bell sounds in cockpit
and APU shuts down |
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What are the initial indications of a fire at the APU Ground Control Panel? (ON THE GROUND)
|
Flashing Fire Warning light and intermittent horn
|
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In the event of an APU fire warning, what occurs when a cockpit FIRE warning bell cut-out switch
or the APU Ground Control Panel (GCP) HORN CUTOUT button is pressed? |
Cockpit fire bell and GCP horn are silenced, GCP light illuminates steady
|
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How is the APU extinguisher bottle discharged from APU Ground Control Panel?
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Pull fire control handle, then activate discharge switch
|
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Which describes the WHEEL WELL fire warning system?
|
No. 1 AC Transfer bus powers a single loop detector
|
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How is a WHEEL WELL fire indicated?
|
WHEEL WELL fire & master FIRE warning lights illuminate with steady fire bell
|
|
A smoke detection and fire suppression system is installed in the cargo compartment of the
B737-300 and -500 aircraft |
True
|
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How is discharge of a lavatory fire extinguisher determined?
|
Bottle nozzle tips change to an aluminum color
|
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When the fire control panel test switch is placed to the FAULT / INOP position, which lights
should illuminate? |
Two MASTER CAUTION lights, the OVHT/DET annunciator, the FAULT light, and the
APU DET/INOP light |
|
If, during the FAULT / INOP test, the FAULT light does not come on
|
The engine fault detection system has failed
|
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The engine fire panel FAULT light illuminates during an overheat / fire test. This indicates
|
At least one engine has a faulty loop
|
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On arrival at the aircraft you find the FAULT light illuminated prior to any system test. The loop
selector switches are in the NORMAL position. Both fire warning loops on one engine have failed |
TRUE
|
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In flight with dual loop configuration selected, you observe the FAULT light illuminated on the fire
warning panel. What has happened? |
Both loops on one engine have failed
|
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Engine fire detection is powered from the:
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Battery Bus
|
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Engine and APU fire extinguishing is powered from the
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Hot Battery Bus
|
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If a fire is detected in the APU, the APU shuts down, the fire bottle discharges, and the fire bell
silences after the fire bottle is discharged automatically |
FALSE
|
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The WHEEL WELL fire detection system is DC powered
|
False
|
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In flight, what happens if a single engine fire detector loop fails during dual loop operation?
|
The loop is automatically deselected and fire warning capability is not lost on that engine
|
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OVRHT/DET annunciator and the MASTER CAUTION lights are (triggered) by:
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The APU DET INOP light or an engine OVERHEAT light
|
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The Fire control panel FAULT light illuminates
|
During the FAULT / INOP test
|
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During the OVHT/FIRE test, the APU fire warning light in the wheel well
|
Illuminates flashing
|
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During the EXTINGUISHER TEST, what do the illuminated green lights on the Overheat/Fire
protection panel indicate? |
The fire extinguisher discharge circuits are functional
|
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When the lavatory smoke detectors are activated, the FIRE WARN, MASTER CAUTION, and fire
annunciator lights illuminate, and the fire bell sounds on the flight deck. |
False
|
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The cargo compartment smoke detector and fire suppression system must be verified to be
serviced and operational before cargo can be carried in the cargo compartments |
TRUE
|
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After activation of the cargo fire suppression system the aircraft must land at the nearest suitable
airport within __________ minutes of the activation |
60 minutes
|
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The wheel well detection system displays warnings for __________.
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FIRE
|
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There is no fire extinguisher system for the wheel well area
|
TRUE
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There is no FAULT warning for a failure of the wheel well fire detector.
|
True
|
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The power to the fire extinguisher bottle squibs is provided by the
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Hot Battery Bus
|