Boeing 737-800 - 10 Controls and Indicators; Fire Warning and Master Caution System

737 Flight Crew Operations Manual
Warning Systems Chapter 15
Controls and Indicators Section 10
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D6-27370-866-EGP 15.10.1
10 Controls and IndicatorsControls and IndicatorsFile Highlight
Fire Warning and Master Caution System
1 Master Fire Warning (FIRE WARN) Lights
Illuminated (red) – indicates a fire warning (or system test) in one or more of the
following:
• engine
•APU
• main wheel well
• cargo
Associated aural alarms include:
• fire warning bell
• if on ground, remote APU fire warning horn.
Push – extinguishes both master FIRE WARN lights
• silences fire warning bell
• silences remote APU fire warning horn
• resets system for additional warnings.
Note: Pushing fire warning bell cutout switch on overheat/fire protection panel
results in the same actions.
2 MASTER CAUTION Lights
Illuminated (amber) – a system annunciator light has illuminated.
RIGHT SIDE
LEFT SIDE
AIR COND
OVERHEAD
ENG
DOORS
HYD
ANTI-ICE
ELEC
APU
OVHT/DETFUEL
IRS
FLT CONT
BELL CUTOUT
WARN
FIRE
MASTER
CAUTION
PUSH TO RESET
MASTER
CAUTION
PUSH TO RESET
BELL CUTOUT
WARN
FIRE
1
2
3
GLARESHIELD
March 27, 2014