757 最低设备清单 Minimum Equipment List (MEL) 2(5)

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F. FLAP LOAD RELIEF
G. WARN ELEX A
5. Open and collar the following circuit breakers on the main power distribution panel. A. ALTN SLAT PWR
 
B. ALTN FLAP PWR
6. Disconnect electrical connector from the flap skew sensors (inboard and outboard end) on the associated flap segment.
7. Cap and stow the electrical connectors.
8. Close the circuit breakers opened in steps 4 and 5 above.
9. Remove PDU lock on the TE flap PDU.
10. Ensure that flaps operate normally:
A. Move the flap control lever to the 30-unit position to extend the flaps. Wait for the trailing edge flaps to extend to the fully extended position.
B. Move the flap control lever to the UP position to retract the flaps. Wait for the trailing edge flaps to retract to the fully retracted position.
11. Restore the airplane to its normal condition.
FLAP SKEW SENSOR (TYPICAL)
FLAP SKEW SENSOR NO. 2 AND 7
(FLAP SKEW SENSOR NO. 1 ,3,4, 5, 6 & 8 ARE SIMILAR)
 

 
 
B757 - 200 MINIMUM EQUIPMENT LIST

 

 
NOTE: This relief does not apply if spoiler panel is detached from the actuator and could float up or is not in the retracted position.
EICAS STATUS MESSAGES
None
PLACARD
Near annunciation panel as appropriate - SPOILERS (X and Y) INOP
For inoperative flight spoilers, placard airplane flight log - DO NOT EXCEED 270 KIAS OR .70M
For inoperative Speed Brake Load Alleviation System, placard airplane flight log - SPEEDBRAKE LOAD ALLEVIATION SYS INOP. If takeoff weight exceeds 100,561 kg, also add placard - OBSERVE AIRSPEED LIMITATIONS
MAINTENANCE (M)
WARNING: TO PREVENT INJURY OR DAMAGE, CLEAR PERSONNEL AND EQUIPMENT FROM CONTROL SURFACES BEFORE PROVIDING HYDRAULIC POWER. KEEP AREA CLEAR WHEN OPERATING CONTROL SURFACES.
1. Once each flight day, ensure that all operative spoilers operate correctly (no more than one spoiler pair can be inoperative).
 
A. Turn the control wheel full counterclockwise (left). Ensure that operative left wing spoilers extend.
NOTE: Spoilers 1, 2, 3 and 5 will extend approximately 45°. Spoiler 6 will extend approximately 30° (panel 4 will not extend).
B. Center the control wheel. Ensure that operative left wing spoilers retract.
C. Turn the control wheel full clockwise (right). Ensure that operative right wing spoilers extend.
NOTE: Spoilers 8, l0, 11 and 12 will extend approximately 45 degrees. Spoiler number 7 will extend approximately 30 degrees (panel 9 will not extend).
D. Center the control wheel. Ensure that operative right wing spoilers retract.
E. Place speed brake lever in the UP position. Ensure that all operative spoilers operate normally (panels 1, 2, 3, 5, 8, 10, 11 and 12 will extend approximately 45°; panels 6 and 7 will extend approximately 30°; panels 4 and 9 will extend approximately 55°).
　
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