FMS DEGRADED OPERATION
FMGC RESETS or FAILURES
5
Double reset of one FMGC (Cont'd)
MCDU failed side:
MCDU reverts on MCDU menu page,
which displays:
− FMGC (OPP) prompt in [1L] field is
displayed,
− Then replaced by the FMGC (OWN)
prompt.
− SELECT DESIRED SYSTEM message
(white) on scratchpad.
− The FM FAIL annunciator (amber) may
illuminate momentarily.
Note:
During FMGC reset, MCDU keys do not respond for FMS functions but
are available for the other systems.
On the opposite side:
MCDU:
MCDU MENU
<FMGC (OPP)
<ACARS
<AIDS
<CFDS
RETURN>
SELECT DESIRED SYSTEM
− The amber IND annunciator may illuminate momentarily and
INDEPENDENT OPERATION scratchpad message (amber) may be
displayed.
− If engaged the onside AP is not affected.
FMA: Indicates auto-systems degradation.
AFFECTED SIDE OPPOSITE SIDE
DESCENT THV001
CRZ OPT REC MAX
----- ----- FL398
<REPORT VDEV=- 350 FT
UPDATE AT
*[ ]
BRG /DIST
303° /23.9 TO EGLL27R
PREDICTIVE
<GPS GPS PRIMARY
REQUIRED ACCUR ESTIMATED
1.0NM HIGH 0.28NM
INDEPENDENT OPERATION
FM2FM1 IND RDY
FM1 IND RDY
MCDU MENU
<FMGC (OPP)
<ACARS
<AIDS
<CFDS
RETURN>
SELECT DESIRED SYSTEM
AIRBUS A318/319/320/321
© THALES AVIONICS S.A.
J43126AA 00
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