-------------------------------------------------------------------------------| PARAMETER | LABEL | CFM 56-5AX | CFM 56-5BX | OPERATION | | DEFINITION | ON DMC | | | WHEN VALUE | | | O/P BUS | | | EXCEEDED | |-----------------------|---------|------------|------------|-----------------| | N1 Red Line | 110 | 102 % | 104 % | Decrease | | | | | | | | N1 Transitory | 111 | 103.8 % | 105.8 % | Engine | | Overspeed threshold | | | | Shut down | | | | | | | | EGT Red Line | 243 | 890 deg.C | 950 deg.C | Decrease | | | | | | | | EGT Transitory | 226 | 935 deg.C | 970 deg.C | Engine | | Overtemp Threshold | | | | Shut down | | | | | | | | EGT Tempo ADV | 240 | 855 deg.C | 915 deg.C | Decrease if | | | | | | overtemp for | | | | | | more than 5mn | | | | | | | | EGT Amber Line Start | 216 | 725 deg.C | 725 deg.C | | | | | | | | | N2 Red Line | 126 | 105 % | 105 % | Decrease | | | | | | | | N2 Transitory | 127 | 105.8 % | 105.8 % | Engine | | Overspeed Threshold | | | | Shut down | | | | | | | | Oil Temperature High | 171 | 140 deg.C | 140 deg.C | Engine Shut | | Limit 1st Threshold | | | | down if over-| | | | | | temp for more | | | | | | than 15mn | | | | | | | | Oil Temperature High | 172 | 155 deg.C | 155 deg.C | Engine | | Limit 2nd Threshold | | | | Shut down | | | | | | | | Oil High Pressure ADV | | more than | more than | | | | | or equal | or equal | | | | | to 90 PSI | to 90 PSI | | | | | | | | | Oil Pressure Low | | less than | less than | | | Limit ADV | | 16 PSI | 16 PSI | | | | | | | | | Oil Pressure Low | | less than | less than | If oil pressure | | Limit 2nd Threshold | | 13 PSI | 13 PSI | below, engine | | | | | | shut down | | | | | | | | Oil Quantity Low | | 3 QTS | 3 QTS | | | Limit ADV | | (gallon) | | |
1EFF : ALL 1 31-66-00Page 29 1 1 Feb 01/05R 1 1 1CES 1
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| PARAMETER | LABEL | CFM 56-5AX | CFM 56-5BX | OPERATION | | DEFINITION | ON DMC | | | WHEN VALUE | | | O/P BUS | | | EXCEEDED | |-----------------------|---------|------------|------------|-----------------| | | | | | | | Nacelle High | | 240 deg.C | 240 deg.C | | | Temperature ADV | | | | |
NOTE : The DMC keeps all these values stored in independent tables, one for
____
each engine type.
10. Engine 1 & 2 Other Parameters
_____________________________
R **ON A/C 106-149, 303-399, 401-499,
(Ref. Fig. 015)
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
(Ref. Fig. 016)
**ON A/C ALL
------------------------------------------------------------------------
| Parameter | Mnemonic | Equipment | Label | Bit | Color | -------|-----------------|----------|--------------|--------|------|----------| | 1 | N1 LIMIT MODE | TO/GA | ECU1 | 272 | 22 | Green | | | |----------| (SDI : X1) | |------| | | | | FLX | | | 23 | | | | |----------| OR | |------| | | | | MCT | | | 24 | | | | |----------| ECU2 | |------| | | | | CL | (SDI : X0) | | 25 | | |------|-----------------|----------|--------------|--------|------|----------| | 2 | N1 LIMIT | N1LIM | ECU1 or ECU2 | 337 | | Green | |------|-----------------|----------|--------------|--------|------|----------| | 3 | Flexible | FLXE1 | ECU1 or | 214 | | Cyan | | | Temperature | FLXE2 | ECU2 | | | | |------|-----------------|----------|--------------|--------|------|----------| | 4 | Fuel On Board | FOBBOX | See Note | | | Amber | | | Not Fully | | hereafter | | | | | | Usable | | | | | | |------|-----------------|----------|--------------|--------|------|----------|
1EFF : ALL 1 31-66-00Page 30 1 1 Aug 01/05 1 1 1CES 1
N1 LIM and fuel indication
Figure 015
R 1EFF : 106-149, 303-399, 401-499, 1 31-66-00Page 31 1 1 Aug 01/05 1 1 1CES 1
N1 LIM and fuel indication
Figure 016
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 31-66-00Page 32 1201-299, 301-302, 1May 01/05 1 1 1CES 1 ------------------------------------------------------------------------
| Parameter | Mnemonic | Equipment | Label | Bit | Color | -------|-----------------|----------|--------------|--------|------|----------| | 5 | FOB Degraded | FTFQDD | FQI | 247-XX | 11 | Amber | | | Data | | | | | |
NOTE : The display of the FOB Box is the result of a complex logic using
____ several information coming from FQI, SDAC, ECU. The aim of this logic is to determine if the fuel contained in all aircraft tanks is avaible or not.
11. Messages Related to Engine Rating
_________________________________
A. Alpha Floor Function
R **ON A/C 106-149, 303-399, 401-499,
(Ref. Fig. 011)
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-302,
(Ref. Fig. 012)
**ON A/C ALL
The alpha floor function is activated in case of excessive angle-of-attack and consists in setting engine thrust to TO/GA configuration. It is generated by the FAC and a signal is transmitted to the DMC for display of the A FLOOR message in amber in the upper part of the engine parameter area (FCU label 270 bit 23).
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