737 MAX Flight Crew Operations Manual
Fire Protection -
Controls and Indicators
8.10.4
MN-FLT-OH-201
Overheat/Fire Protection Panel Lights
1
Engine (ENG) OVERHEAT Light
Illuminated (amber) – indicates overheat in related engine.
Note:
MASTER CAUTION and OVHT/DET system annunciator lights
illuminate.
2
FAULT Light
Illuminated (amber) – with the overheat detector switch in NORMAL - indicates
both detector loops for an engine have failed.
Illuminated (amber) – with the overheat detector switch in A or B – indicates the
selected loop for an engine has failed.
Note:
MASTER CAUTION and OVHT/DET system annunciator lights do not
illuminate.
3
WHEEL WELL Fire Warning Light
Illuminated (red) – indicates fire in main gear wheel well
Note:
Master FIRE WARN lights illuminate and fire warning bell sounds.
4
Engine BOTTLE DISCHARGED Light
Illuminated (amber) – indicates related fire extinguisher bottle has discharged.
5
APU Detector Inoperative (DET INOP) Light
Illuminated (amber) – indicates APU detector loop has failed.
Note:
MASTER CAUTION and OVHT/DET system annunciator lights
illuminate.
DISCHARGED
APU BOTTLE
INOP
APU DET
FAULT
WELL
WHEEL
PULL WHEN ILLUMINATED
OVERHEAT
R
ENGINES
OVHT DET
NORMAL
B
A
1
2
T
S
E
T
T
X
E
E
R
I
F
T
H
V
O
P
O
N
I
DISCH
ENG 2
(FUEL SHUTOFF)
FIRE SWITCHES
OVERHEAT
ENG 1
OVHT DET
A
L
DISCH
LOCK OVERRIDE: PRESS
R
L
DISCH
BUTTON UNDER HANDLE
L
R
DISCHARGED
DISCHARGED
R BOTTLE
T
L
U
A
F
TEST
L BOTTLE
APU
BELL CUTOUT
NORMAL
B
1
2
3
5
6
AFT ELECTRONIC PANEL
4
7
March 1, 2021
Содержание 737-8
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