CTC-231-067-00 THE MAINTENANCE MENU
EFFECTIVITY
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION CFDS MESSAGE
INTERROGATION
FAULT DETECTION
& ANNUNCIATION Page 5
Nov 02
CFM56-5B TRAINING MANUAL
CENTRALIZED FAULT DISPLAY SYSTEM (CFDS). THE SYSTEM REPORT/TEST.
This function is available only on ground. Selection of the System Report/Test provides access to a list of all the systems connected to the CFDIU.
The System Report/Test function allows interactive dialogue between the MCDU and one system computer.
The systems are displayed in ATA chapter order and the list is displayed on 2 pages, which can be accessed using the NEXT PAGE key.
Selecting ENG on page 2 of the System Report/Test will display a menu for engine related systems.
- EIU 1 & EIU 2 : allows access to the main menus for Engine Interface Units 1 & 2.
- FADEC 1A & FADEC 1B : allows access to the main menus for ECU 1 channels A & B.
- FADEC 2A & FADEC 2B : allows access to the main menus for ECU 2 channels A & B.
- EVMU : allows access to the main menu for the Engine Vibration Monitoring Unit. This menu has 2 pages.
EFFECTIVITY
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION
CFM56-5B TRAINING MANUAL
CTC-231-068-00 SYSTEM REPORT/TEST
EFFECTIVITY
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION CFDS MESSAGE
INTERROGATION
FAULT DETECTION
& ANNUNCIATION Page 7
Nov 02
CFM56-5B TRAINING MANUAL
CENTRALIZED FAULT DISPLAY SYSTEM (CFDS). THE ENGINE INTERFACE UNIT (EIU).
The Engine Interface Unit (EIU) is an interface concentrator between the FADEC system and the aircraft systems. There is one EIU for each engine.
Each EIU main menu provides access to :
- Last leg report : Presents any internal, or external EIU failures, which occurred during the last flight.
- Previous legs report : Any internal, or external EIU failures, which occurred during the previous 64 flights are displayed in this report.
- LRU identification : Presents the EIU serial number.
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