EICAS STATUS MESSAGES
None
PLACARD
As appropriate
B757 - 200 MINIMUM EQUIPMENT LIST
NUMBER INSTALLED
NUMBER REQUIRED FOR DISPATCH
2 0 REMARKS OR EXCEPTIONS
EICAS STATUS MESSAGES
None
PLACARD
As appropriate
NUMBER INSTALLED
NUMBER REQUIRED FOR DISPATCH
3 0 REMARKS OR EXCEPTIONS
EICAS STATUS MESSAGES
None
PLACARD
As appropriate
B757 - 200 MINIMUM EQUIPMENT LIST
REPAIR INTERVAL C 1 NUMBER INSTALLED
ITEM 0 NUMBER REQUIRED FOR DISPATCH
REMARKS OR EXCEPTIONS
(M+P) (O) May be inoperative provided:
a) Both EICAS systems operate normally, and
b) All other Standby Bus indications are verified to operate normally.
24-30-1 Standby Power Bus OFF
Light
EICAS STATUS MESSAGES
None
PLACARD
As appropriate
MAINTENANCE (M)
1. Configure the airplane per the standby power system check (MM 24-33-00).
2. Place the Standby Power Selector to OFF, then BAT, then AUTO and observe the following conditions:
A. OFF - EICAS displays STANDBY BUS OFF advisory message.
B. BAT - DISCH light illuminates, no STANDBY BUS OFF message on EICAS.
C. AUTO - DISCH light extinguishes, no STANDBY BUS OFF message on EICAS.
OPERATIONS (O)
Substitute the STANDBY BUS OFF advisory message for the inoperative standby power bus OFF light in the STANDBY BUS OFF non-normal procedure.
REPAIR INTERVAL C 1 NUMBER INSTALLED
ITEM 0 NUMBER REQUIRED FOR DISPATCH
REMARKS OR EXCEPTIONS
(M) (O) May be inoperative provided:
a) APU battery is deactivated or removed, and
b) APU is considered inoperative.
24-31-1 APU Battery
NOTE 1: The APU cannot be started with the battery inoperative, deactivated or missing. NOTE 2: The APU, and APU generator, may be required for ETOPS dispatch.
EICAS STATUS MESSAGES
APU BAT NO STBY
PLACARD
APU Control panel as appropriate - APU BAT REMOVED or APU BAT INOP
MAINTENANCE (M)
The APU battery is located under shelf 3 of the aft equipment center rack E6.
1. The MMEL allows the battery to be (a) deactivated in place or (b) deactivated and removed.
2. To deactivate battery perform the following:
A. Open and collar APU BATTERY CHARGER circuit breaker on right miscellaneous electrical equipment panel P37. On airplanes with extended standby power capability, open APU/MN BAT TIE circuit breaker on main power distribution panel P6.
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