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AQU3I1CK8 R/AEF3E1RE9N/ACE3 H2A0ND/A B3O2OK1
ABNORMAL AND
EMERGENCY PROCEDURES 30 AUG 10
A318/A319/A320/A321 FLEET , , , ,
DISPLAY UNIT FAILURE
Note: This Temporary Documentary Unit (TDU) is created to provide operators with
TDU example for
R0.
It does not provide operational information.
�� The AFFECTED DU IS BLANK or the DISPLAY IS DISTORTED:
Procedure modified for the TDU example...
�� DIAGONAL LINE ON THE AFFECTED DU:
This failure may be because of a DMC FAULT, or a communication interruption
between the DMC and
DU.
EIS DMC
SWITCHING............................................................................................................. AS
RQRD
�� If unsuccessful:
DU
(affected)..............................................................................................................OFF
THEN ON
Note: The ND display may disappear, if too many waypoints and associated
information
are displayed. Reduce the range, or deselect WPT or CSTR, and the display will
automatically recover, after about 30 s.
�� INVERSION OF THE EWD AND THE SD:
ECAM UPPER
DISPLAY .................................................................................................OFF THEN
ON
The same action on the EIS DMC SWITCHING selector produces the same effect.
ABN-31
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AQU3I1CK8 R/AEF3E1RE9N/ACE3 H2A0ND/A B3O2OK1
ABNORMAL AND
EMERGENCY PROCEDURES 30 AUG 10
A318/A319/A320/A321 FLEET , , , ,
DISPLAY UNIT FAILURE
�� DU is blank (with or without a large letter “F” in amber), or the display is
distorted:
DU
(affected).........................................................................................................................
..AS RQRD
The DU can be switched off.
ECAM/ND XFR (if the ECAM DUs are
affected)...............................................................................USE
Transfer SD to the F/O or CAPT ND.
PFD/ND XFR (if the EFIS DUs are
affected).................................................................................... USE
�� INVALID DISPLAY UNIT message is displayed:
This may be caused by a DU failure.
FOR AUTOMATIC DU RECOVERY.................................................................
WAIT MORE THAN 40 s
�� IF DU IS AUTOMATICALLY RECOVERED:
No crew action is required.
�� IF DU IS NOT RECOVERED:
Non-recovered
DU..............................................................................................................AS RQRD
The DU can be switched off.
�� The INVALID DATA message appears (not on all DUs):
EIS DMC
SWITCHING............................................................................................................. AS
RQRD
�� If unsuccessful:
DU
(affected)..............................................................................................................OFF
THEN ON
Note: The ND display may disappear, if too many waypoints and associated
information
are displayed. Reduce the range, or deselect WPT or CSTR, and the display will
automatically recover, after about 30 s.
�� The INVALID DATA message appears on all DUs:
The autopilot, autothrust and MCDU navigation data are still available, and may be
used.
FOR AUTOMATIC DUs RECOVERY ...............................................................WAIT
MORE THAN 40 s
�� IF ALL DUs ARE AUTOMATICALLY RECOVERED:
No crew action is required.
�� IF ONE OR MORE DUs ARE NOT RECOVERED:
Non-recovered DUs....................................................................................................
OFF FOR 40 s
Non-recovered DUs........................................................................................BACK ON
sequentially
�� If the initial failure re-occurs (the INVALID DATA message appears on all
DUs), when
switching a given DU back ON:
Apply the entire procedure again, from the beginning.
Leave this specific DU permanently OFF.
�� INVERSION OF THE EWD AND THE SD:
ECAM UPPER
DISPLAY .................................................................................................OFF THEN
ON
The same action on the EIS DMC SWITCHING selector produces the same effect.
ABN-31
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AQU3I1CK8 R/AEF3E1RE9N/ACE3 H2A0ND/A B3O2OK1
ABNORMAL AND
EMERGENCY PROCEDURES 30 AUG 10
A318/A319/A320/A321 FLEET , , , ,
DISPLAY UNIT FAILURE
�� The AFFECTED DU IS BLANK or the DISPLAY IS DISTORTED:
DU
(affected).........................................................................................................................
　
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