Flight Controls - EICAS Messages

Message Level Light Condition
AUTO SPEEDBRAKE Advisory AUTO SPDBRK A fault is detected in the Automatic Speedbrake system.
ELEV FEEL Advisory   A fault is detected in the Elevator Feel system.
FLAP LD RELIEF Advisory TRAILING EDGE The Flap Load Relief system fails to operate when required.
C FLT CONT HYD
L FLT CONT HYD
R FLT CONT HYD
Advisory OFF The Flight Control Valve is closed.
FLT CONT VALS Advisory OFF Two or more Flight Control Valves are closed.
LE SLAT ASYM Caution LEADING EDGE The Leading Edge Slats are not symmetrically extended.
LE SLAT DISAGREE Caution LEADING EDGE The Leading Edge Slats positions disagree with commanded position.
MACH/SPD TRIM Advisory MACH SPD TRIM The Mach Speed Trim system is inoperative.
RUDDER RATIO Advisory RUDDER RATIO The Rudder Ratio system is inoperative.
SPEEDBRAKES Caution SPEED BRAKES The Speedbrake Lever is extended
  • when the flaps are in a landing position or
  • when Radio Altitude is 800 feet or below
  • or an engine thrust lever is forward of flight idle for more than 15 seconds
SPOILERS Advisory SPOILERS One or more Spoiler pairs are inoperative.
STAB TRIM Advisory STAB TRIM The Stabilizer trim rate is one-half of the normal control wheel stabilizer trim switch rate.
TE FLAP ASYM Caution TRAILING EDGE The Trailing Edge Flaps are not symmetrically extended.
TE FLAP DISAGREE Caution TRAILING EDGE The Trailing Edge Flaps positions disagree with commanded position.
UNSCHD STAB TRIM Caution UNSCHED STAB TRIM Uncommanded Stabilizer motion.
L YAW DAMPER
R YAW DAMPER
Advisory INOP The Yaw Damper is inoperative.

Flight Instruments