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Message Level Aural Condition
AUTO
SPEEDBRAKE
Advisory A fault is detected in the automatic
speedbrake system.
CRUISE FLAPS
SYS
Advisory The cruise flaps system is in the incorrect
position.
FLAP/SLAT
CONTROL
Caution Beeper Flap/slat electronics units are inoperative.
FLAPS DRIVE Caution Beeper Flap drive mechanism has failed.
FLAPS PRIMARY
FAIL
Caution Beeper Flaps are operating in secondary mode.
FLIGHT
CONTROL MODE
Caution Beeper Flight control system is operating in
secondary mode.
FLIGHT
CONTROLS
Caution Beeper Multiple flight control surfaces are
inoperative or other flight control system
faults are detected.
FLT CONTROLS
LOCKED
Advisory One or both flight control surface lock
switches are in the locked position.
PITCH DOWN
AUTHORITY
Caution Beeper Pitch down authority is limited.
PITCH UP
AUTHORITY
Caution Beeper Pitch up and flare authority are limited.
PRI FLIGHT
COMPUTERS
Caution Beeper Flight control system is operating in direct
mode.
ROLL LEFT
AUTHORITY
Caution Beeper There is limited authority remaining to roll
the airplane to the left.
ROLL RIGHT
AUTHORITY
Caution Beeper There is limited authority remaining to roll
the airplane to the right.
ROLL /YAW
ASYMMETRY
Caution Beeper A significant airplane roll or yaw
asymmetry has been detected.
787 Flight Crew Operations Manual
Flight Controls -
EICAS Messages
9.30.2 Boeing Proprietary
SPEEDBRAKE
EXTENDED
Caution Beeper Speedbrake is extended when radio altitude
is between 15 and 800 feet, or when the flap
lever is in a landing position, or when either
thrust lever is not closed.
SPOILER DRAG Advisory Increased spoiler drag due to loss of
pressure in center hydraulic system and low
altitude cruise.
SPOILER PAIRS Advisory Two spoiler pairs are inoperative.
SPOILERS Advisory One or more spoiler panels are inoperative.
STAB
GREENBAND
Advisory Nose gear pressure switch disagrees with
computed stabilizer greenband.
STABILIZER Warning Siren Uncommanded stabilizer motion is detected
or stabilizer is inoperative.
STABILIZER
CUTOUT
Advisory Both stabilizer cutout switches are in
CUTOUT.
STABILIZER L2 Advisory Left stabilizer control path is inoperative.
STABILIZER R2 Advisory Right stabilizer control path is inoperative.
STALL
PROTECTION
Advisory Some stall protection functions are
inoperative.
SLATS DRIVE Caution Beeper Slat drive mechanism has failed.
SLATS PRIMARY
FAIL
Caution Beeper Slats are operating in secondary mode.
Message Level Aural Condition
787 Flight Crew Operations Manual
Flight Instruments, Displays Chapter 10
Table of Contents Section 0
Boeing Proprietary 10.TOC.0.1
1C0o.0n Ftlirgohtl sIn astrnudm eInntsd, Dicisapltaoyrs-sT a.b l.e .o f. C. o. n.t
e.n .ts . . . . . . . . . . . . . . . . . . . . . . 10.10.1
Primary Flight Display (PFD) . . . . . . . . . . . . . . . . . . . . . . . . . . 10.10.1
PFD Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.10.1
PFD Airspeed Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.10.2
PFD Reference Speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.10.4
PFD Attitude Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.10.5
PFD Steering Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.10.6
PFD Radio Altitude Indications . . . . . . . . . . . . . . . . . . . . . . 10.10.7
PFD Navigation Performance Indications . . . . . . . . . . . . . . 10.10.7
PFD Instrument Landing System Indications . . . . . . . . . . . 10.10.10
PFD Expanded Localizer Indications . . . . . . . . . . . . . . . . . 10.10.11
PFD Altitude Indications . . . . . . . . . . . . . . . . . . . . . . . . . . 10.10.12
PFD Landing Altitude/Minimums Indications . . . . . . . . . . 10.10.13
PFD Barometric Indications . . . . . . . . . . . . . . . . . . . . . . . . 10.10.14
PFD Vertical Speed Indications . . . . . . . . . . . . . . . . . . . . . 10.10.16
PFD Heading/Track Indications . . . . . . . . . . . . . . . . . . . . . 10.10.17
PFD Reversion Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.10.18
PFD Failure Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.10.18
Navigation Display (ND) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.10.20
ND Map Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.10.20
ND Weather Radar System Display Indications . . . . . . . . . 10.10.21
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787机组操作手册Flight Crew Operations Manual 2(77)
