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ENGINE 1 CURRENT EXCEEDS SUMMMARY Page
The CURRENT EXCEEDS SUMMARY page gives this data about
the current exceedances:
* Exceedance type (N1 RED, N2 RED, EGT RED, EGT HOT
START)
* TIME (total time of exceedances in the current leg for each
type of exceedance)
* PEAK (highest peak value)
* QTY (number of exceedances).
ENGINE 1 Menu Page
The ENGINE 1 menu page lets you select CURRENT
EXCEEDANCES or FLIGHT LEG EXCEEDANCES. The
CURRENT EXCEEDANCES selection shows you the CURRENT
EXCEEDANCES SUMMARY page. The FLIGHT LEGS
EXCEEDANCES selection shows you the ENG 1 EXCEEDS
MENU.
CURRENT EXCEEDANCES Page
The CURRENT EXCEEDANCES page gives more data about the
exceedances stored in DEU memory. The DEUs hold up to 10
exceedances per flight leg.
The CURRENT EXCEEDANCES page gives this data for each
exceedance stored in DEU memory:
* Exceedance type (N1, N2, EGT RED, or EGT HOT START)
* Highest parameter value
* Parameter redline value and total time over redline
* Flight number
* Flight date and time in universal coordinated time (UTC)
* Altitude and computed air speed (CAS) at the time of
exceedance.
The CDU shows one exceedance on each page. The page
number and total number of pages are at the right side on the
second line of the CDU display.
ENGINE INDICATING - TRAINING INFORMATION POINTS - CURRENT EXCEEDANCES
EFFECTIVITY
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CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
77-00-00-006
Select the line select key next to RESET to reset the
exceedance. When the exceedance is reset, the DEU does not
show the data for this exceedance on the CURRENT
EXCEEDANCE page.
Training Information Point
You must follow the maintenance action in Part II of the Airplane
Maintenance Manual (AMM) and reset all current exceedances
to reset the red box on the primary engine display.
ENGINE INDICATING - TRAINING INFORMATION POINTS - CURRENT EXCEEDANCES
EFFECTIVITY
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CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
77-00-00-006
ENGINE INDICATING - TRAINING INFORMATION POINTS - CURRENT EXCEEDANCES
ENGINE INDICATING - TRAINING INFORMATION POINTS - CURRENT EXCEEDANCES
EFFECTIVITY
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CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
77-00-00-006
ENG 1 EXCEEDS MENU
The ENG 1 EXCEEDS MENU gives a list of legs that had
exceedances. The DEUs store up to 9 legs with exceedances.
The DEU stores up to 10 exceedances per leg. The ENG 1
EXCEEDS MENU lists the legs with exceedances. The newest
leg shows first. The ENG 1 EXCEEDS MENU also gives the
number of exceedances stored for each leg.
If you select CURRENT EXCEEDANCES or FLIGHT LEG
EXCEEDANCES and the DEU has no exceedances stored in
memory, the CDU shows the NO EXCEEDENCES message.
If the exceedances occurred more than 99 legs ago, the CDU
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)
* 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 CDU 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 CDU display.
ENGINE INDICATING - TRAINING INFORMATION POINTS - FLIGHT LEG EXCEEDANCES
EFFECTIVITY
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BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
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