757 最低设备清单 Minimum Equipment List (MEL) 2(19)

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D. Verify that L FUEL SYS PRESS and R FUEL SYS PRESS caution messages are not displayed.
E. For operative main tank pumps, verify the following associated advisory messages are not
displayed:
L FWD FUEL PUMP R FWD FUEL PUMP
L AFT FUEL PUMP R AFT FUEL PUMP
NOTE: Inoperative pump(s) message will remain displayed.
F. Open crossfeed valve(s).
G. One at a time, turn off fuel pump(s) associated with the inoperative light(s). Verify that the
associated advisory message(s) is displayed.
H. Turn remaining operating fuel pumps off and close crossfeed valve(s).
2. Verify associated EICAS message(s) annunciate properly for operative center tank pumps:
A. With crossfeed valve(s) closed, turn off all fuel pumps.
B. Verify that L FUEL SYS PRESS and R FUEL SYS PRESS caution messages are displayed.
 
  B757 - 200 MINIMUM EQUIPMENT LIST

C. Turn all operating center and main tank fuel pumps on.
NOTE: Ensure that all tanks contain sufficient fuel to cover the pump inlets.
D. Verify that L FUEL SYS PRESS and R FUEL SYS PRESS caution messages are not displayed.
E. Verify that CTR L FUEL PUMP and CTR R FUEL PUMP advisory messages are displayed:
1) Open the fueling panel door.
2) For operative center tank pump(s), verify the following associated advisory message(s) is not displayed:
CTR L FUEL PUMP CTR R FUEL PUMP
F. Close fueling panel door and turn all operating fuel pumps off.
 
EICAS STATUS MESSAGES
None
PLACARD
Airplane flight log - FUEL TEMP IND INOP
OPERATIONS (O)
Use Total Air Temperature (TAT) for fuel temperature.
See the table in MEL item 34-13-7 for Static Air Temperature (SAT) conversion.
 
  B757 - 200 MINIMUM EQUIPMENT LIST
EICAS STATUS MESSAGES
None
PLACARD
As appropriate
 
NUMBER INSTALLED

  NUMBER REQUIRED FOR DISPATCH
2 0 REMARKS OR EXCEPTIONS

 
EICAS STATUS MESSAGES
None
PLACARD
As appropriate
 
REPAIR INTERVAL C 2 NUMBER INSTALLED
ITEM   1 NUMBER REQUIRED FOR DISPATCH
    REMARKS OR EXCEPTIONS
(M+P) One may be inoperative provided the associated control switch is placed in the OFF position.
29-11-2 Center System (Electric)
Hydraulic Pumps    

EICAS STATUS MESSAGES
None
PLACARD
Hydraulic control panel as appropriate - C1(C2) ELEC HYD PUMP INOP MAINTENANCE (M)
Deactivation of the inoperative Pump and confirmation that the remaining Center Pump operates normally may be accomplished as follows:
1. For the inoperative pump, open and collar the appropriate ELEC HYD PUMP C1(C2) circuit breaker, on the P11 panel.
　
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