A49-60-00-012.fm
OR SHOWS "NO OTHER OCCURRENCES" MESSAGE
APU CONTROLS - ELECTRONIC CONTROL UNIT - MAINTENANCE HISTORY
January 1, 2004
49-60
- 13 -
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SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL
APU CONTROLS - ELECTRONIC CONTROL UNIT - IDENT CONFIG
A49-60-00-013.fm
General
The IDENT/CONFIG page of APU BITE TEST shows APU and ECU configuration and identification data. There are two pages of this data. Page one shows the APU data. Page two shows ECU data.
The MCDU shows the page number in the upper right corner of the display. Next to this number you see the total number of pages in IDENT/CONFIG.
IDENT/CONFIG Page 1
The IDENT/CONFIG page 1 gives this APU identification and configuration data:
-APU serial number
-APU hours
-APU cycles
-APU hours since installation on airplane.
You reset the APU hours since installation on the airplane when you select the line select key next to RESET HOURS SINCE INSTALLATION. You should reset the hours since installation when you replace the APU.
IDENT /CONFIG Page 2
The IDENT/CONFIG page 2 gives this data about the ECU:
-ECU part number
-ECU serial number
-ECU operational software part number.
You select the line select key next to DATA MEMORY MODULE to see the data stored in the data memory module (DMM). There are 12 pages of DMM data. The DMM records data about the health of the APU. This data is used during overhaul and is not needed for line maintenance. The DMM data is not shown here.
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