Boeing 737-800 - Thermal Anti-Ice Indication; Wing Anti-Ice Panel

737 Flight Crew Operations Manual
Anti-Ice, Rain -
Controls and Indicators
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D6-27370-866-EGP 3.10.5
Thermal Anti–Ice Indication
1 Thermal Anti–Ice Indications
Illuminated –
• Green – cowl anti–ice valve(s) open
• Amber – cowl anti–ice valve is not in position indicated by related
engine anti–ice switch.
Wing Anti–Ice Panel
1 Wing Anti–Ice VALVE OPEN Lights
Illuminated (blue) –
• bright – related wing anti–ice control valve is in transit, or, related wing
anti–ice control valve position disagrees with WING ANTI–ICE switch
position
• dim – related wing anti–ice control valve is open (switch ON).
Extinguished – related wing anti–ice control valve is closed (switch OFF).
87.7 87.7
N
1
TAI
TAI
8
6
4
10
2
0
8
6
4
10
2
0
1
UPPER DISPLAY UNIT
WING ANTI-ICE
OFF
ON
L VALVE
OPEN
R VALVE
OPEN
FORWARD OVERHEAD PANEL
1
2
March 31, 2016