-
the aircraft identification,
-
the applicable flight leg,
-
the date of the applicable flight leg,
-
the time the failure occured,
-
the flight phase where the failure occured,
-
the ATA number of the component,
-
the functional designation of the component,
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-the FIN of the component.
The screen can show a maximum of two failures at a time. If there are
more failures, you must push the next page key on the MCDU keyboard.
If there are no failures, NO FAULT DETECTED is shown.
R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299,
(3) <LRU IDENTIFICATION If you push the <LRU IDENTIFICATION line key, the screen shows the functional designation and the partnumber of the zone controller and the pack controllers. Additionally to this information the line INSTALLED IN A320/A319 will be indicated, if the pin programming of the controllers is correct. If INSTALLED IN A321 appears, no pin 'A320/A319' is set. The line will not be indicated if there is no valid data from the applicable controller.
R **ON A/C 301-399,
(3) <LRU IDENTIFICATION If you push the <LRU IDENTIFICATION line key, the screen shows the functional designation and the partnumber of the zone controller and the pack controllers. Additionally to this information the line INSTALLED IN A321 will be indicated, if the pin programming of the controllers is correct. If INSTALLED IN A320 appears, no pin 'A321' is set. The line will not be indicated if there is no valid data from the applicable controller.
**ON A/C ALL
(4) <GND REPORT If you push the <GND REPORT line key, the screen shows for each failure that has not been corrected from previous reports:
-
the aircraft identification,
-
the time the failure occured,
-
the flight phase where the failure occured,
-
the ATA number of the component,
-
the functional designation of the component,
-
the FIN of the component.
The screen can show a maximum of two failures at a time. If there are
more failures, you must push the next page key on the MCDU keyboard.
If there are no failures, NO FAULT DETECTED is shown.
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(5)
<TEST If you push the <TEST line key, the <CAB TEMP CONT TEST page is shown. The screen shows PACK 1 AND PACK 2 OFF. If you push the <CONTINUE line key, the screen shows,
-(IN PROGRESS MAX 300S),
-TEST OK if there are no failures,
- or
-the ATA number, the functional designation, the FIN of the component and END OF TEST.
(6)
<CLASS 3 FAULTS If you push the <CLASS 3 FAULTS line key, the screen shows for each class 3 failure:
-
the applicable flight leg,
-
the date of the applicable flight leg,
-
the time when the failure occured,
-
the flight phase where the failure occured,
-
the ATA number of the component,
-
the functional designation of the component,
-
the FIN of the component.
The screen can show a maximum of two failures at a time. If there are
more failures, you must push the next page key on the MCDU keyboard.
If there are no failures, NO FAULT DETECTED is shown.
C. CFDS Maintenance Messages
(1) The zone controller 8HK sends failure data collected from the pack controllers 7HH (27HH) and the ventilation controller 10HN as well as those detected by its BITE to the Centralized Fault Display System (CFDS). A possible failure can be class 1, class 2 or class 3.
-
A class 1 failure requires immediate maintenance action, as they always lead to a loss of the affected system with operational consequences.
-
A class 2 failure will not lead to operational consequences but cannot be left uncorrected until the next scheduled maintenance check.
-Class 3 failure are failures which can be left uncorrected until the next scheduled maintenance check. The possible maintenance messages (class 1, 2, 3) provided by the zone controller are shown in the following tables.
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