A
A
WINDOW/PITOT
HEAT MODULE
(P5-9)
FLIGHT COMPARTMENT
WINDOW
HEAT
SENSORS
ANTI-ICE
WARNING LIGHT
AND MASTER
CAUTION LIGHT
SWITCH
MASTER CAUTION
LIGHT SWITCH
a
a
a
g
g
g
g
B
A
a
a
a
a
a
a
a
a
PWR TEST
OFF
OFF
ON
ON
OFF
ON
SIDE
FWD
FWD
SIDE
OVERHEAT
ON
OVERHEAT
ON
CAPT
PITOT
L ELEV
PITOT
L ALPHA
VANE
PROBE
TEMP
F/O
PITOT
PITOT
R ELEV
VANE
R ALPHA
AUX
PITOT
L
R
WINDOW HEAT
OVHT
PROBE
HEAT
a
OVERHEAT OVERHEAT
ON ON
G08231 S0006573147_V2
Window Heat Control Unit Test
Figure 501/30-41-11-990-801 (Sheet 2 of 4)
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-41-11
Page 506
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF 496, 499, 500, 512, 557, 568, 581, 686, 803,
808-811, 813, 821, 822, 836, 837, 851, 852, 857, 858,
947, 971 PRE SB 737-30A1063