737 MAX Flight Crew Operations Manual
Flight Controls -
Controls and Indicators
9.10.12
MN-FLT-OH-201
Leading Edge Devices
1
Leading Edge Devices (LE DEVICES) Annunciator Panel
Indicates position of individual LE flaps and slats.
Extinguished – related LE device retracted.
2
Leading Edge Devices TRANSIT Lights
Illuminated (amber) – related LE device in transit.
3
Leading Edge Devices Extended (EXT) Lights
Illuminated (green) – related LE slat in extended (intermediate) position.
4
Leading Edge Devices Full Extended (FULL EXT) Lights
Illuminated (green) – related LE device fully extended.
5
Leading Edge Annunciator Panel TEST Switch
Press – tests all annunciator panel lights.
6
Leading Edge Flaps (LE FLAPS TRANSIT) Light
Illuminated (amber) –
• any LE device not in programmed position with respect to TE flaps
• a LE uncommanded motion condition exists (two or more LE flaps or
slats have moved away from their commanded position).
Note:
Light is inhibited during autoslat operation in flight.
Note:
Light is inhibited when trailing edge flap position provided by SMYDs.
LE DEVICES
6
5
4
3
2
1
TRANSIT
FULL EXT
EXT
FLAPS
TEST
2
SLATS
3
1
SLATS
4
7
8
EXT
LE FLAPS
LE FLAPS LE FLAPS
EXT
TRANSIT
AFT OVERHEAD PANEL
1
5
ENGINE DISPLAY
6
7
2
3
4
March 1, 2021