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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
F. Read the Flight History S 972-059-C00
(1) Do these steps to read the flight history: NOTE: The AVM records the highest vibration level of all the
____
engine rotors.
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
~...............................................................................
| FLIGHT HISTORY |
.................................................................................
| What button on the | Front display of | Description |
| AVM signal conditioner | the AVM signal | of |
| to push | conditioner | front display |
................................................................................. | One of the four buttons, | Self Test?, then | Sequence Start for | | and then the NO button | Fault History? | self test and | | | | fault history | ................................................................................. | NO button again | Flight History? | Sequence Start for | | | | flight history | ................................................................................. | | XX Flights Display? *[1] | Total number of | | YES button | or No Flight Data | flights or no data | ................................................................................. | | Flight | Flight number, | | YES again | XX? *[2] | XX = 0-31 | ................................................................................. | | FXX E1 *[3] *[4] | Engine 1 (E1) *[4] | | YES button | N1 yyy % *[5] | N1 Speed (%) - E1 | | | N2 yyy % *[5] | N2 Speed (%) - E1 | ................................................................................. | | FAN n.nn *[6] | Fan Vibration - E1 | | DOWN button | HPC n.nn *[6] | HPC Vibration - E1 | | | HPT n.nn *[6] | HPT Vibration - E1 | ................................................................................. | | LPT n.nn *[6] | LPT Vibration - E1 | | DOWN Button | Time | yy.y = Time in hours| | | yy.y h *[7] | from power-up | ................................................................................. | | FXX E2 *[3] *[4] | Engine 2 (E2) *[4] | | NO button | N1 yyy % *[5] | N1 Speed (%) - E2 | | | N2 yyy % *[5] | N2 Speed (%) - E2 | ................................................................................. | | FAN n.nn *[6] | Fan Vibration - E2 | | DOWN button | HPC n.nn *[6] | HPC Vibration - E2 | | | HPT n.nn *[6] | HPT Vibration - E2 | .................................................................................
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
77-31-00
ALL ú ú C02A Page 248 ú Mar 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
~...............................................................................
| FLIGHT HISTORY |
.................................................................................
| What button on the | Front display of | Description |
| AVM signal conditioner | the AVM signal | of |
| to push | conditioner | front display |
.................................................................................
| | LPT n.nn *[6] | LPT Vibration - E2 |
| DOWN button | Time | yy.y = Time in hours|
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