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ACARS - TRAINING INFORMATION POINT - SOFTWARE LOADING
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737-700 MAINTENANCE TRAINING MANUAL
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ENGINES
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ENGINE INDICATING - ENGINE EXCEEDANCES General The engine indicating system lets you see exceedance data for these engine parameters:
- N1
- N2
- EGT RED LIMIT
- EGT HOT START.
The exceedance data is important for maintenance practices. You find these actions in part II of the airplane maintenance manual (AMM). You need this information for selection of the correct maintenance action:
-Highest value (peak) of the parameter during the exceedance
-Time above redline limit.
If there is an exceedance stored in memory for the current flight leg, the box around the digital readout shows red when these conditions occur:
-Both start levers in the CUTOFF position
-Both engine start switches in the OFF position
-EEC BITE not in use
-N2 for both engines less than 10%.
The engine indicating system shows engine 2 data the same as engine
1.
The engine indicating system starts a new leg for exceedances when the airplane speed is more than 80 knots.
737-700 MAINTENANCE TRAINING MANUAL
ENGINE/EXCEED BITE Page
The ENGINE/EXCEED BITE page lets you pick engine BITE or EXCEEDANCES.
EXCEEDANCE MENU
The EXCEEDANCE MENU page lets you see exceedance data for ENGINE 1 or ENGINE 2.
Training Information Point
The DEUs keep exceedance data in non-volatile memory. These circuit breakers must be closed when you get exceedance data to make sure the data stored in each DEU is the same:
-DISPLAY, DEU 1 HOLDUP (P6 panel)
-DISPLAY, DEU 2 HOLDUP (P6 panel)
-DISPLAY, DEU 2 PRI (P6 Panel)
-DISPLAY, DEU 1 PRI (P18 panel).
A77-00-00-005.fm
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SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
737-700 MAINTENANCE TRAINING MANUAL
A77-00-00-005.fm
ENGINE INDICATING - ENGINE EXCEEDANCES
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737-700 MAINTENANCE TRAINING MANUAL
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