A
A
a
a
a a
a
a
a
a
AUTO
OFF
ON
SIDE
FWD
OVHT
ON
OFF
ON
FWD
SIDE
A
B
a
a
a
a
a
a
a
a
OVERHEATOVERHEATOVERHEATOVERHEAT
CAPT
L ELEV
L ALPHA
TEMP
PITOT
VANE
PROBE
PITOT
AUX
R ALPHA
R ELEV
F/O
PITOT
PITOT
VANE
PITOT
OFFOFFOFFOFF
WINDOW HEAT
HEAT
R
PWR TEST
PROBE
L
WINDOW/PITOT HEAT CONTROL PANEL (P5-9)
FLIGHT
COMPARTMENT
ANTI-ICE
WARNING LIGHT
AND MASTER
CAUTION LIGHT
SWITCH
MASTER CAUTION
LIGHT SWITCH
WINDOW HEAT
SENSORS
GLARESHIELD PANEL (P7)
WINDOW/PITOT HEAT
CONTROL PANEL (P5-9)
K31135 S0006573148_V4
Window Heat Control Unit Test
Figure 501/30-41-11-990-801 (Sheet 4 of 4)
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-41-11
Page 508
D633A101-ILF Feb 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF 301, 304, 308, 310, 314, 315, 317-319, 323,
331-399, 561, 968-970, 972, 973, 980-999