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2. Full system capabilities are
maintained on a single BUS
controller.
NOTE: This message is only enabled on ground. BC test will fail if power is
momentarily removed from both FWCs after BC’s are powered. If this
condition occurs, fail message can be cleared by reapplying airplane power
in normal power-up sequence or by pulling and resetting all 3 BUS
CONTROLLER circuit breakers (BUS CONT #1: CP, K-2; BUS CONT #2:
CP, L-2; BUS CONT #3: CP, M-2.)
BRAKE MAINT
REQ'D
(BRAKE-BYWIRE:
SN 1000 -
1213)
If message
illuminates
following gear
retraction and
extinguishes 5
seconds later,
the auto spindown
feature
has failed.
See Brakes / Anti-Skid (Brake-
By-Wire) Index, page EB-1, for
appropriate Anti-Skid Off
Braking procedure.
BRAKE MAINT
REQ'D
(HMAB: SN 1214
AND SUBS)
If message
illuminates
during takeoff
or landing
ground roll or
airborne with
gear extended,
a wheel speed
sensor
miscompare
lasting more
than 5 seconds
has been
detected.
1. Notify maintenance to check
for wheel speed sensor faults
or possible dragging brake(s).
2. If message illuminates
momentarily with gear down
while airborne, no action
required.
Quick Reference Handbook
REVISION 7 MESSAGES AND ANNUNCIATIONS
May 30/02 Page MC - 7
Advisory (Blue) Messages and Annunciations, ctd… AFM 3B
Message: Cause(s): Corrective Action:
BUS CTLR 1-2-3
FL
Indicated bus
controller has
failed.
1. Check circuit breakers.
2. Full system capabilities are
maintained on a single bus
controller.
3. Cycle CB on failed bus
controller.
CALL Toggled by
SELCAL,
CABIN/LAV
call, Galley
/Interphone or
telephone.
Answer appropriate caller.
CDU 1-2 FAIL FMS CDU
failed.
Verify failure and if failed, use
remaining FMS for navigation.
CHECKLIST
MISMATCH
Different checklist
installed in
FWC 1 and
FWC 2.
Do not use checklist until correct
checklists are installed.
CMB HYD HOT Hydraulic system
fluid temperature
above
220°F (104°C).
Proceed with flight and
investigate after landing.
CONT IGN, L-R
(SPZ 8400 equipped)
Continuous
ignition is ON.
1. Select OFF if not required.
2. Observe duty cycle limitations
in GIV AFM Section 1,
Limitations (also presented on
page EC-18).
COWL A/I ON, L-R Cowl anti-ice
on.
Turn OFF after exiting icing
conditions.
Quick Reference Handbook
MESSAGES AND ANNUNCIATIONS REVISION 7
Page MC - 8 May 30/02
Advisory (Blue) Messages and Annunciations, ctd… AFM 3B
Message: Cause(s): Corrective Action:
CPL DATA
INVALID
Lateral or
vertical mode
cannot be
selected or
canceled automatically
due to
invalid source
and / or invalid
required
sensors.
Message also
appears anytime
selected
course
changes by
greater than 3°
when in LNAV /
VOR, except
when over
station.
Check validity of coupled source.
DADC 1-2 FAIL A DADC has
failed.
1. Verify failure and, if failed,
select opposite DADC.
2. Verify DADC selection for
pressurization.
DADC
MISCOMPARE
Priority FGC
has detected
an unflagged
miscompare
between DADC
1 and DADC 2.
1. Identify faulty DADC by
reference to PFD, ND,
guidance panel, pressure
control and transponder panel.
2. Select good DADC to those
panels.
3. Isolate faulty DADC with CB:
(DADC #1: CP, F-3; DADC #2:
CP, G-3.)
4. Check message clear.
5. Re-engage yaw damper and
autopilot if desired.
DAU 1A-1B-2A-2B
FL
DAU channel
has failed.
Select alternate DAU channel.
DAU 1-2 MISCMPMSG
EICAS blue
message
miscompare
between DAU
'A' and 'B'
channel.
Compare blue messages
displayed with DAU 'A' and 'B'
channels. Select good channel.
Quick Reference Handbook
REVISION 7 MESSAGES AND ANNUNCIATIONS
May 30/02 Page MC - 9
Advisory (Blue) Messages and Annunciations, ctd… AFM 3B
Message: Cause(s): Corrective Action:
DC CONFIG
MISMATCH
(SPZ 8400 equipped)
Disagreement
between the 2
display
controllers’
configuration.
Resolve configuration mismatch
prior to takeoff. Cannot be
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