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ITEM   0 NUMBER REQUIRED FOR DISPATCH
    REMARKS OR EXCEPTIONS
(O) May be inoperative provided:
a) FMC is initialized with known total fuel quantity,
b) Fuel flow indications operate normally, and
28-41-7 Total Fuel Quantity
Indication    
c) Both FMC’s operate normally. EICAS STATUS MESSAGES
None
PLACARD
Fuel Quantity Indicator - TOTAL FUEL QUANTITY INOP
MAINTENANCE NOTE
Operational Program Software part number is shown on the FMC IDENT page. OPERATIONS (O)
1. Total fuel quantity must be calculated and manually initialized on the FMC Performance Initialization Page prior to engine start.
2. If total fuel quantity is inoperative as a result of an individual tank quantity indication, MEL restrictions for that item must be observed.
3. Prior to each engine start, confirm that fuel flow system inputs are valid on the FMC SENSOR STATUS Page 1 (Left and Right EICAS OK) or (Left and Right FUEL FLO OK).
4. (Optional) Prior to each engine shutdown, record FMC CALCULATED FUEL QTY. For flights not requiring additional fuel, this value may be used as a means of determining total fuel quantity.
5. In case of enroute failure of the FMC calculated total fuel quantity, flight crew must keep a fuel log for the remainder of the flight.
NOTE 1: The PROGRESS page 1 display of FUEL quantity and ATA at the last waypoint prior to failure may be used as a starting point. In some failure modes, PROGRESS page 2 FUEL USED data may be available.
NOTE 2: Aileron trim indication on the control wheel may be used to determine if a fuel imbalance condition exists. At cruise conditions, an imbalance of 725 kg will require approximately one unit of aileron trim to hold wings level.
 
  B757 - 200 MINIMUM EQUIPMENT LIST

REPAIR INTERVAL   NUMBER INSTALLED
ITEM    NUMBER REQUIRED FOR DISPATCH
    REMARKS OR EXCEPTIONS
28-42-1 Fuel Pump Low PRESS
Lights C 6 3 May be inoperative for an associated inoperative pump.
 C 6 3 (M+P) May be inoperative provided associated
    EICAS message is verified to operate once each flight day.

EICAS STATUS MESSAGES
None
PLACARD
Fuel management panel as appropriate - L(R) FWD(AFT) LOW PRESS LIGHT INOP Fuel management panel as appropriate - CTR L(R) LOW PRESS LIGHT INOP
MAINTENANCE (M)
1. Verify associated EICAS message(s) annunciate properly for operative main tank pumps:
A. With crossfeed valve(s) closed, turn off all (main and center) fuel pumps.
B. Verify that L FUEL SYS PRESS and R FUEL SYS PRESS caution messages are displayed.
C. Turn operative Main Tank fuel pumps on.
NOTE: Ensure that tanks contain sufficient fuel to cover the pump inlets.
　
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本文鏈接地址：757 最低設備清單 Minimum Equipment List (MEL) 2(18)