*
Instructions field
*
Fault summary field title
*
Number of items
*
Fault summary field
*
Buttons.
Header Information
This data shows under the main menu bar on the right side:
* Tail identification
*
Flight number from the FMCF
*
Leg ID, departure airport and arrival airport identifiers from the FMCF
*
Leg start time and date from the CMCF
*
CMCF source field.
Fault Summary Field Title
The number of flight deck effects in the fault summary field shows at the top of the scroll bar.
The fault summary field has the FDE summary groups.
Each FDE summary group includes this data:
*
Flight deck effect
*
FDE and maintenance message activity
*
Fault code
*
FDE time and date
*
Maintenance message summary groups.
FDE and Maintenance Message Activity
The activity of an FDE shows as one of these:
*
Active
*
Latched
*
Not Active.
An active FDE is an FDE that currently shows in the flight deck.
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CMCS -INBOUND FLIGHT DECK EFFECTS DISPLAY
A latched FDE can only be a status message or a scheduled maintenance task. Scheduled maintenance tasks are discussed elsewhere in this section.
A failure that causes a status message may impact dispatch and may be intermittent or detectable only under certain conditions. The PDS holds a status message to make sure that you see it on the ground. You must do a task to clear a latched FDE.
An FDE is not active if it can not currently show on the flight deck.
The activity of a maintenance message also shows as one of these:
*
Active
*
Latched
*
Not Active.
A maintenance message is active if a system can continuously monitor for a fault condition, and the fault exists.
A maintenance message is latched for these reasons:
*
If a system detects a fault and no longer uses the related equipment as part of its operational function
*
To ensure correlation with an FDE
*
If a system can not always detect if the fault exists.
EFFECTIVITY
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You must do something to clear a latched maintenance message.
A maintenance message is not active if a system can continuously monitor for a fault condition, and the fault does not exist.
Maintenance Message Summary Groups
Each maintenance message summary group includes this data:
*
Maintenance message number
*
Maintenance message activity
*
Flight phase
*
Fault time and date
*
Maintenance message symptom.
One or more maintenance messages may be correlated to each FDE and shows with an FDE summary group.
Button
Highlight and select a maintenance message summary group. Next, select MAINTENANCE MESSAGE DATA to show the single maintenance message display.
Training Information Point
If a flight leg transition occurs while the inbound flight deck effect display shows, this happens:
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CMCS -INBOUND FLIGHT DECK EFFECTS DISPLAY
*
If a fault summary field shows, it goes away
*
A text dialog box shows with Flight Leg Has Changed. To See Data from Before, Go to Fault History Leg-1.
*
Select CONTINUE on the text box to remove the text box and to show the Inbound Flight Deck Effects display again.
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777 AIRCRAFT MAINTENANCE MANUAL
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CMCS -SINGLE MAINTENANCE MESSAGE DATA DISPLAY
General
The single maintenance message data display shows this data on one page:
*
Title
*
Fault information
*
Maintenance message information
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