787 Flight Crew Operations Manual
DO NOT USE FOR FLIGHT
Flight Controls -
EICAS Messages
Copyright © The Boeing Company. See title page for details.
9.30.2 D615Z003-TBC
Message Level Aural Condition
ROLL RIGHT
AUTHORITY
Caution Beeper The pilot has limited roll control to the right
because the ailerons or rudder are near full
travel.
ROLL/YAW
ASYMMETRY
Caution Beeper An airplane roll or yaw asymmetry occurs.
SLATS DRIVE Caution Beeper The slat drive mechanism is failed.
SLATS PRIMARY
FAIL
Caution Beeper The slats primary mode is failed.
SPEEDBRAKE
EXTENDED
Caution Beeper The speedbrakes are extended and one or
more of these occur:
• The radio altitude is between 15 and
800 feet
• The flap lever is in a landing setting
• A thrust lever is not at idle
SPEEDBRAKES
ARMED
Memo The speedbrakes are armed.
SPOILER DRAG Advisory Some spoilers are not stowed because
center hydraulic system pressure is low.
SPOILER PAIRS Advisory Two spoiler pairs are failed.
SPOILERS Advisory One or more spoilers are failed.
STAB
GREENBAND
Advisory One of these occurs:
• The nose gear pressure sensor
disagrees with the computed
stabilizer greenband
• The nose gear pressure sensor is
failed
STABILIZER Warning Siren One of these occurs:
• Stabilizer movement without a
signal to trim
• The stabilizer is failed
STABILIZER
CUTOUT
Advisory Both stabilizer cutout switches are in
CUTOUT.
STABILIZER L2 Advisory The left stabilizer control path is failed.
STABILIZER R2 Advisory The right stabilizer control path is failed.
STALL
PROTECTION
Advisory A stall protection fault occurs.
August 14, 2009
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