FMS DEGRADED OPERATION
2 FMGC RESETS or FAILURES
Single reset of one FMGC (Cont'd)
MCDU failed side:
MCDU may momentarily revert to MCDU menu page with FMGC (OPP)
prompt in [1L] field, which is then replaced by the FMGC (OWN)
prompt. SELECT DESIRED SYSTEM message (white) is displayed 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:
− The amber IND annunciator may illuminate momentarily and
INDEPENDENT OPERATION message (amber) may be displayed on
scratchpad.
− If engaged the onside AP is not affected.
FMA: Indicates auto-systems degradation.
FM2 FM1 IND RDY
FM1 IND RDY FM2
AFFECTED SIDE OPPOSITE SIDE
MCDU MENU
<FMGC (OPP)
<ACARS
<AIDS
<CFDS
RETURN>
SELECT DESIRED SYSTEM
DESCENT THV001
CRZ OPT REC MAX
----- ----- FL398
<REPORT VDEV=- 350 FT
UPDATE AT
*[ ]
BRG /DIST
303° /23.9 TO EGLL27R
REQUIRED ACCUR ESTIMATED
1.0NM HIGH 0.28NM
INDEPENDENT OPERATION
J43126AA 00
© THALES AVIONICS S.A.
AIRBUS A318/319/320/321
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