.
The Leading Edge Devices Annunciator Panel shows the
status of the leading edge flaps and slats during Trailing Edge
Flap extension.
As the Trailing Edge Flaps extend, the amber in transit lights will
illuminate until each related LE device is in the EXTEND (EXT) or
FULL EXTEND (FULL EXT) position.
Associated lights are located on
the center forward panel.
LE Devices Annunciator Panel
One or more amber In Transit lights or green EXT lights
illuminated indicate a fault or partially extended device.
A press to test button will illuminate all the lights for a bulb test.
The test feature does not test the system, only the bulbs.