737-700 MAINTENANCE TRAINING MANUAL BITE HANDBOOK 机务培训手册 自测手册(81)

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If you select CURRENT EXCEEDANCES or FLIGHT LEG EXCEEDANCES and the DEU has no exceedances stored in memory, the MCDU shows the NO EXCEEDENCES message.
If the exceedances occurred more than 99 legs ago, the MCDU will show the exceedances occurred on leg 99. The DEU erases the oldest exceedance only when a tenth leg with exceedances occurs.
The ENG 1 EXCEEDS MENU shows up to 5 legs on the first page. If there are more than 5 legs with exceedances the other exceedances are shown on the second page. You see the page number for the data on the display and total number of pages on the right side of line 2.
You erase all exceedance data for engine 1 when you select BULK ERASE.
ENG 1 EXCEEDS Page
The ENG 1 EXCEEDS page gives this data for each reset exceedance stored in DEU memory:
-Legs old
-Exceedance type (N1, N2, EGT RED or EGT HOT START)
-Highest parameter value (PEAK)
January 1, 2004 - 6 -
-Parameter redline value and total time over redline (RED)
-Flight number (FLT)
-Flight date and time in universal coordinated time (UTC)
-Altitude and computed air speed (CAS) at time of exceedance

(ALT and A/S).
The MCDU shows one exceedance on each page. You find the exceedance number and total number of exceedances for that leg at the right side of the second line of the MCDU display.
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SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL

A77-00-00-007.fm
ENGINE INDICATING - FLIGHT LEG EXCEEDANCES
January 1, 2004
77-00
- 7 -
SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL
ENGINE FUEL AND CONTROL - ENGINE CONTROL - EEC BITE -MAIN MENU

General
The EEC BITE shows on the multifunction multifunction control display unit (MCDU).
To see the EEC BITE data or do engine ground tests, select ENGINES on the MAINT BITE INDEX page.
ENGINE/EXCEED BITE INDEX Page
The ENGINE/EXCEED BITE INDEX page lets you select the ENGINE 1 or 2, or EXCEEDANCES.
If you want to do engine BITE for engine 1, select ENGINE 1. If channel A can not get data from channel B and channel B can not get data from channel A, the MCDU uses channel B only to do EEC BITE. To do engine BITE for engine 1 with EEC channel A, select ENGINE 1 CH A ONLY.
You do engine 2 BITE the same as engine 1.
MAIN MENU
These are the 5 EEC BITE functions you can do from the MAIN MENU page:
-RECENT FAULTS
-FAULT HISTORY
-IDENT/CONFIG
-GROUND TESTS
-INPUT MONITORING.

You can use the above EEC functions when the airplane is on the ground. You cannot do EEC BITE in flight. To use the GROUND TEST function, N2 must be less than 5 percent and the start lever must be in the CUTOFF position. To use the RECENT FAULTS or FAULT HISTORY functions, N2 must be less than 5 percent.
　
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