787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Flight Controls -
System Description
Copyright © The Boeing Company. See title page for details.
D615Z003-TBC 9.20.23
If flap/slat control is in the secondary or alternate mode, or if any non–normal
condition is detected, an expanded flap indication is displayed automatically. The
position of the left and right flaps and slats are separately indicated. In the
alternate mode, the position commanded by the flap lever is replaced by flap
position index marks at all flap and slat positions, and numbers at flaps 5 and flaps
20. The index marks are used as a guide to position the flaps to the desired setting.
February 13, 2009