EICAS STATUS MESSAGES
None
PLACARD
ENG VALVE Light (s) - LIGHT INOP
MAINTENANCE (M)
Verify associated engine fuel valve operates normally.
 With the affected engine running, open the L (R) SPAR FUEL VALVE circuit breaker (P6 panel).
 Place FUEL CONTROL switch in the CUTOFF position.
 If the engine stops running the valve is operating properly.
 Close the L (R) SPAR FUEL VALVE circuit breaker.
 

NUMBER INSTALLED
2 NUMBER REQUIRED FOR DISPATCH
REMARKS OR EXCEPTIONS
1 (M+P) One may be inoperative provided both EEC’s operate normally.
 
EICAS STATUS MESSAGES
None
PLACARD
ENG LIM PROT Light - LIGHT INOP MAINTENANCE (M)
Check EICAS caution, advisory, status and EPCS maintenance page for EEC messages. If there are no EEC messages displayed the EEC's are operating normally.
 
NUMBER INSTALLED

  NUMBER REQUIRED FOR DISPATCH
2 1 REMARKS OR EXCEPTIONS
 
NOTE 1: MEL Item 73-21-5, Low N1 Engine Control System, was formerly 77-12-4.
NOTE 2: This item provides relief for the L(R) ENG LOW N1 status message generated for an engine with a minimum idle below normal limits.
EICAS STATUS MESSAGES
L ENG LOW N1
R ENG LOW N1
PLACARD
As appropriate
 
REPAIR INTERVAL C 2 NUMBER INSTALLED
ITEM   0 NUMBER REQUIRED FOR DISPATCH
    REMARKS OR EXCEPTIONS
(O) May be inoperative provided:
 Approach idle operates normally, and
 Appropriate performance adjustments are applied.
73-21-8 Minimum Idle    

EICAS STATUS MESSAGES
None
PLACARD
Airplane flight log as appropriate
OPERATIONS (O)
Apply the following weight reductions to the performance limited weight:
Performance Limited Weight Reduction
Takeoff 4600 kg
Landing 4600 kg

Descent profile should be based on approach idle.
 
REPAIR INTERVAL C 2 NUMBER INSTALLED
ITEM   1 NUMBER REQUIRED FOR DISPATCH
    REMARKS OR EXCEPTIONS
One may be inoperative provided:
 Associated N1, N2, and EPR indications operate normally, and
 Main Tank Fuel Quantity Indicators operate normally.
73-31-1 Fuel Flow Indications    

NOTE 1: The Fuel Flow Transmitter can be disconnected and stowed and dispatch permitted under MEL Item 73-31-1 when the FUEL DISAGREE message appears on the FMC in conjunction with EICAS
DISAGREE status message on EICAS. The fault is caused by an interminent transmitter.
　
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