Also, there is a prompt for FMC DOWNLOAD at LSK 6R.
On the MAINT BITE INDEX page, select FMCS to get access to FMCS BITE.
On the FMCS BITE page, either FMC LEFT (FMC 1) or FMC RIGHT (FMC 2) can be selected as the BITE data source.
It is possible to select FMC 1 as the BITE data source on the left CDU and FMC 2 as the BITE data source on the right MCDU. In this configuration, sensor data can be compared for both FMCs.
If the BITE information from the FMC is not available or invalid, the caret (<) does not show and the message LEFT (or RIGHT) FMC BITE INOP shows.
The CROSSLOAD prompt gives the capability for crossload of the OFP or other data bases between FMCs.
The process starts by selection of the CROSSLOAD prompt (LSK 6R). The MCDU then shows the FMCS CROSSLOAD page which has instructions for crossloading the applicable data base between FMCs.
Primary/Secondary FMC Select
The primary FMC provides the MCDU display data. The arrow direction in the top left corner of the MCDUs shows which FMC is primary. You use the FMCS transfer switch to select the primary FMC.
In the example on the graphic, the arrow points to the left to show that FMC 1 is the primary FMC. If the arrow points to the right, this shows that FMC 2 is the primary FMC.
When the FMC select switch on the P5 overhead panel is in the NORMAL or BOTH-ON-LEFT position, FMC 1 is the primary FMC. In the BOTH-ON-RIGHT position, FMC 2 is the primary FMC.
FMCS BITE Page
The FMCS BITE page has these FMC maintenance categories:
A34-61-00-055.fm
January 1, 2004
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SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL
FMCS BITE PAGES - BITE ENTRY
-INFLT FAULTS
-CDU TEST
-SENSORS
-DISCRETES
-FIXED OUTPUTS
-MODEL/ENG
-SW OPTIONS
-PERF FACTOR
-LCD CDU
-IRS MONITOR.
FMC Download
The FMC DOWNLOAD prompt gives the capability to copy FMC internal diagnostic data to a 3.5 inch diskette without removal of the FMC from the airplane. The data is downloaded to a portable data loader (PDL) from specially formatted diskettes.
The process starts by selection of the FMC DOWNLOAD prompt (LSK 6R). The MCDU shows the FMCS DATA LOADER page which has instructions for downloading the data to the PDL.
The position of the FMC select switch determines which FMC gives the download data.
January 1, 2004
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SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL
A34-61-00-055.fm
FMCS BITE PAGES - BITE ENTRY
January 1, 2004
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SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL
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