Leading Edge Devices Forward Panel Lights
Illuminated -

  • Any Leading Edge device in transit.

  • Any Leading Edge device not in the programmed position
    with respect to Trailing Edge flaps.

  • A Leading Edge slat skew condition exists (slats 2 through
    7 only).

  • During alternate flap extension until the Leading Edge
    devices are fully extended and TE flaps reach flaps 10.

Note: The light is inhibited during autoslat operation in flight.
Illuminated -

  • All Leading Edge flaps extended and all Leading Edge
  • slats are in the extended (intermediate) position (Trailing
    Edge flap positions 1, 2 and 5).

  • All Leading Edge devices are fully extended (TE flap positions
    10 through 40).
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