EFFECTIVITY
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION CFDS MESSAGE
INTERROGATION
FAULT DETECTION
& ANNUNCIATION Page 34
Nov 02
EFFECTIVITY
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION CFDS MESSAGE
INTERROGATION
FAULT DETECTION
& ANNUNCIATION Page 35
Nov 02
CFM56-5B TRAINING MANUAL
CENTRALIZED FAULT DISPLAY SYSTEM (CFDS). ENGINE SYSTEMS - ECU.
Scheduled maintenance report.
The report format is the same as the ‘Last leg report’, except that there is no flight leg or data information.
When no SM faults are recorded during the last 64 flight legs, a ‘NO FAULTS RECORDED’ message is displayed.
Troubleshooting data is not available for scheduled maintenance faults.
Note : Some (not all) single channel SM faults may be upgraded by the ECU to class 2, or even class 1, if they become dual channel faults.
EFFECTIVITY
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION CFDS MESSAGE
INTERROGATION
FAULT DETECTION
& ANNUNCIATION Page 36
Nov 02
CFM56-5B TRAINING MANUAL
CTC-231-083-00 SCHEDULED MAINTENANCE REPORT
EFFECTIVITY
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION CFDS MESSAGE
INTERROGATION
FAULT DETECTION
& ANNUNCIATION Page 37
Nov 02
CFM56-5B TRAINING MANUAL
CENTRALIZED FAULT DISPLAY SYSTEM (CFDS). ENGINE SYSTEMS - ECU.
Specific data.
The specific data report is a sub-menu that currently has only one selection available :
PWR SETTING MAX VALUES
This displays the maximum values of N1, N2 and EGT reached the last time the engine was operated. The time, in seconds, logged at these maximum values is also displayed.
Both indicated and physical N1 and EGT values are displayed. There is no separate indicated value for N2.
These maximum values and the duration of any limit exceedance are reset during engine ground start, or they may be reset by an option in menu mode.
When the reset option is selected by the operator, a confirmation screen is displayed. If the operator presses the line select key to confirm, then the reset values (all zeros) are displayed.
EFFECTIVITY
ALL CFM56-5B ENGINES FOR A319-A320-A321
CFMI PROPRIETARY INFORMATION
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