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Alternate Ventilation System Shutoff Valves (777F)
C
2
0
(M) May be inoperative provided:
a)
Associated valve is deactivated closed, and
b)
Flight is conducted pressurized.
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-26-10
Alternate Ventilation System ALTN VENT Switch (777F)
C
1
0
May be inoperative provided flight is conducted pressurized.
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-27-1
Equipment Cooling Air Filter
C
1
0
(M) May be operated with filter removed.
-27-2
Equipment Cooling Supply Fans
C
2
1
(M) One may be inoperative deactivated provided:
a)
Opposite ECSMC operates normally,
b)
Both override valve motors operate normally,
c)
Both equipment cooling controllers operate normally, and
d)
Flight is conducted pressurized.
-27-3
Equipment Cooling Override Valve Motors
C
2
1
(M) One may be inoperative deactivated provided:
a)
Both forward equipment cooling supply fans operate normally, and
b)
Both equipment cooling controllers operate normally.
U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
AIRCRAFT:
BOEING B-777
REVISION NO: 15
DATE: 02/11/2009
PAGE:
21-4
1. 2. NUMBER INSTALLED
3. NUMBER REQUIRED FOR DISPATCH
SYSTEM &
SEQUENCE
NUMBERS
ITEM
4. REMARKS OR EXCEPTIONS
21 AIR CONDITIONING
-27-4
Equipment Cooling Low Flow Sensors
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1)
Passenger
C
2
1
(M) One may be inoperative deactivated.
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2)
777F
C
2
1
(M) One may be inoperative provided:
a)
Inoperative sensor is deactivated, and
b)
Equipment cooling three-way valve is considered inoperative.
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-27-5
Equipment Cooling Vent Fan
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1)
Passenger
C
1
0
(M) May be inoperative deactivated provided, for ground operations with OAT 30 degrees C or higher, both packs are selected on or airplane is supplied with conditioned air.
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2)
777F
C
1
0
(M)(O) May be inoperative provided:
a)
Fan is deactivated,
b)
For ground operations with OAT 30 degrees C or higher, both packs are selected on or airplane is supplied with conditioned air, and
c)
Procedures are established and used to verify main deck cargo compartment remains empty or contains only ballast, empty cargo handling equipment (ballast may be loaded in ULDs), or fly away kits.
NOTE: Operator MELs must define which items are approved for inclusion in the fly away kits and which materials can be used as ballast.
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U.S. DEPARTMENT OF TRANSPORTATION
MASTER MINIMUM EQUIPMENT LIST
FEDERAL AVIATION ADMINISTRATION
AIRCRAFT:
BOEING B-777
REVISION NO: 15
DATE: 02/11/2009
PAGE:
21-5
1. 2. NUMBER INSTALLED
3. NUMBER REQUIRED FOR DISPATCH
SYSTEM &
SEQUENCE
NUMBERS
ITEM
4. REMARKS OR EXCEPTIONS
21 AIR CONDITIONING
-27-6
Equipment Cooling Vent Valve
|
1)
Passenger
C
1
0
(M) May be inoperative provided:
a)
Valve is deactivated closed,
b)
Equipment cooling vent fan is deactivated,
c)
For ground operations with OAT 30 degrees C or higher, both packs are selected on or airplane is supplied with conditioned air, and
d)
For FCAC installed, FCAC exhaust fan is deactivated.
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2)
777F
C
1
0
(M) May be inoperative provided:
a)
Valve is deactivated closed,
b)
FCAC exhaust fan is deactivated, and
c)
For ground operations with OAT 30 degrees C or higher, both packs are selected on or airplane is supplied with conditioned air.
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-27-7
Forward Cargo Heat Valve
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1)
Passenger
C
1
0
(M) May be inoperative deactivated closed.
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2)
777F
C
1
0
(M)(O) May be inoperative provided:
a)
Valve is deactivated closed, and
b)
Procedures are established and used to verify main deck cargo compartment remains empty or contains only ballast, empty cargo handling equipment (ballast may be loaded in ULDs), or fly away kits.
NOTE: Operator MELs must define which items are approved for inclusion in the fly away kits and which materials can be used as ballast.
　
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