757 最低设备清单 Minimum Equipment List (MEL) 2(68)

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P11-4.
 Secure the Door of the affected Lavatory closed and Placard “INOPERATIVE - DO NOT ENTER”.
3. For inoperative Potable Water Supply:
 Close the Main Faucet of the affected Potable Water Supply.
 Placard the affected Potable Water Supply “INOP - DO NOT USE”
 Ensure that sufficient amount of Bottled Water is provided in the affected Lavatory.
4. For an inoperative lavatory waste system:
 Drain the associated waste tank (AMM 12-17-01/301).
CAUTION: DO NOT ADD THE PRECHARGE CHEMICAL TO THE ASSOCIATED WASTE TANK.
 Secure closed and appropriately placard the associated lavatory door.
 

REPAIR INTERVAL   NUMBER INSTALLED
ITEM    NUMBER REQUIRED FOR DISPATCH
    REMARKS OR EXCEPTIONS
49-11-1 Auxiliary Power Unit (APU) C 1 0 Except for ETOPS Operations may be inoperative provided both engine generators operate normally.
 B 1 0 (M) Except for ETOPS operations beyond 120 minutes, may be inoperative provided:
     Both engine generators operate normally, and
 Hydraulic Motor Generator (HMG) is verified to operate normally.
1) Pneumatic Function C 1 0 May be inoperative provided procedures do not require its use.

NOTE 1: The APU, and APU generator, may be required for ETOPS dispatch.
NOTE 2: APU may be removed per AMM 49-11-02. When removing the APU for dispatch, ensure that (1) the equipment removed is weighed and (2) that the weight and balance is updated. With APU removed, the APU FAULT light may remain illuminated, and the EICAS messages APU BLD VAL, APU FUEL VAL, and APU GEN OFF may display after engine start.
NOTE 3: The pneumatic function of the APU is controlled by the APU Bleed Valve MEL item 36-11-4. If the pneumatic function is not working, the APU Bleed Valve must be closed via procedure described in 36-11-4.
NOTE 4: Refer to item 24-00-2 for a battery start procedure if external power is not available. Ground pneumatic air supply must be used.
EICAS STATUS MESSAGES
None
PLACARD
As appropriate
MAINTENANCE (M)
Verify HMG operates normally. See Item 24-00-2 APU Driven Generator, MAINTENANCE (M) Procedures.
The Pneumatic Function of the APU is controlled by the APU Bleed Valve MMEL Item 36-11-4. If the Pneumatic Function is not working, the APU Bleed Valve must be closed via procedure described in 36-11-4.
 
REPAIR INTERVAL   NUMBER INSTALLED
ITEM
49-15-1 APU Air Intake Door
Actuation System    NUMBER REQUIRED FOR DISPATCH
    REMARKS OR EXCEPTIONS
 Door Closed C 1 0 (M) May be inoperative secured closed provided
    APU is considered inoperative.
　
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