*
Actual and commanded positions for jettison system components
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Actual and commanded positions for APU fuel feed components
*
Actual and commanded positions for crossfeed components.
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PRIMARY DISPLAY SYSTEM -FUEL MANAGEMENT MAINTENANCE PAGE
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PRIMARY DISPLAY SYSTEM -HYDRAULIC MAINTENANCE PAGE
General
The hydraulic maintenance page is available in these three display modes:
*
Real time
*
Manual event
*
Auto event.
Title
The title shows the display mode. The title shows as:
*
HYDRAULIC for the real time mode
*
HYDRAULIC MAN for the manual event mode
*
HYDRAULIC AUTO for the auto event mode.
Auto Event Message
In the real time mode, the auto event message shows for the most recent auto event in memory. If there are no auto events in memory, the message field is blank.
In the auto event mode, the message for the incident shows.
There is no message in the manual event mode.
Date and Time
In the real time mode, the date field shows the current date and universal coordinated time (UTC).
In the manual event mode and the auto event mode, the date field shows the date and UTC of the incident.
System Data
The hydraulic maintenance page includes:
*
Hydraulic system quantity
*
Hydraulic system pressure
*
Primary pump pressure, temperature, and status
*
Demand pump pressure, temperature, and status
*
Rat pump pressure, temperature, and status
*
Isolation valve position.
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PRIMARY DISPLAY SYSTEM -ICE PROTECTION MAINTENANCE PAGE
General
The ice protection maintenance page is available in these three display modes:
*
Real time
*
Manual event
*
Auto event.
Title
The title shows the display mode. These are the titles:
*
ICE PROTECTION for the real time mode
*
ICE PROTECTION MAN for the manual event mode
*
ICE PROTECTION AUTO for the auto event mode.
Auto Event Message
In the real time mode, the auto event message shows for the most recent auto event in memory. If there are no auto events in memory, the message field is blank.
In the auto event mode, the message for the incident shows.
There is no message in the manual event mode.
Date and Time
In the real time mode, the date field shows the current date and universal coordinated time (UTC).
In the manual event mode and the auto event mode, the date field shows the date and UTC of the incident.
System Data
The ice protection maintenance page shows this engine and wing anti-ice system information:
*
Airplane altitude
*
Total air temperature
*
Engine type
*
Engine anti-ice system valve positions, pressure, and flow
*
Wing anti-ice system valve positions, pressure, and flow.
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777 AIRCRAFT MAINTENANCE MANUAL
THIS PAGE IS INTENTIONALLY LEFT BLANK
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PRIMARY DISPLAY SYSTEM -MAINTENANCE TASK MAINTENANCE PAGE
General
The maintenance task maintenance page is unique. The page has these functions:
*
Erase latched status messages
*
View and erase scheduled maintenance task (SMT) messages
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