CENTRALIZED FAULT DISPLAY SYSTEM & AIRCRAFT INTEGRATED DATA SYSTEM.
The MCDU menu is displayed by selecting the appropriate key on the keypad. The menu provides access to various systems, including the Centralized Fault Display System (CFDS) and, if installed, the Aircraft Integrated Data System (AIDS).
The CFDS enables maintenance personnel to perform system operational tests, functional checks and readout of BITE memory information, through the MCDU. The CFDS enables memorization and display of fault messages and ECAM warnings and also enables BITE interrogation and system tests.
The CFDS operates in 2 modes : Normal and Menu.
- Normal mode : The CFDS records fault messages. - Menu mode : The CFDS allows the operator to
obtain troubleshooting data from the systems and
initiate self tests. This mode is available on ground
only.
Most CFDS reports can be printed on board, or transmitted to the ground, manually or automatically, through the ACARS, if installed, or dumped on the MDDU floppy disk, if installed.
The AIDS enables the data stored and processed in the Data Management Unit (DMU) to be read in the form of printed reports. A report is a set of data related to a specific event (e.g. Limit exceedance of engine parameters).
The reports can also be sent to the ground through the ACARS, if installed, or dumped on the MDDU floppy disk, if installed.
The AIDS also enables the operator to view, in real time, the values of aircraft and engine parameters and also the labels transmitted on the ARINC buses.
EFFECTIVITY
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION MESSAGE
INTERROGATION
FAULT DETECTION
& ANNUNCIATION Page 2
Nov 02
CFM56-5B TRAINING MANUAL
CTC-231-065-00 MCDU MENU
EFFECTIVITY
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION MESSAGE
INTERROGATION
FAULT DETECTION
& ANNUNCIATION Page 3
Nov 02
CFM56-5B TRAINING MANUAL
THIS PAGE LEFT INTENTIONALLY BLANK
EFFECTIVITY
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION MESSAGE
INTERROGATION
FAULT DETECTION
& ANNUNCIATION Page 4
Nov 02
CFM56-5B TRAINING MANUAL
CENTRALIZED FAULT DISPLAY SYSTEM
EFFECTIVITY
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION CFDS MESSAGE
INTERROGATION
FAULT DETECTION
& ANNUNCIATION Page 1 Nov 02
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