757
MAINTENANCE MANUAL

 S 865-064
 (15)
 Remove the DO-NOT-CLOSE tag, and close this circuit breaker on the P11 panel:

 (a)  
ON GUN 001-005;
 11H14, FLAP/SLAT SHUTOFF 1

 (b)  
ON GUN 006-999;
 11C17, FLAP SLAT SHUTOFF 1

 S 865-065
 (16)
 Open this circuit breaker on the P11 panel and attach DO-NOT-CLOSE tag:

 (a)  
11H12, FLAP POS IND LEFT

 S 215-066
 (17)
 Move the flap control lever to the zero (FLAPS UP) detent, let the flaps and slats fully retract, and do the checks that follow:

 (a)  
Make sure the position indicator needle for the L flap position does not move.

 (b)  
Make sure the position indicator needle for the R flap position moves to the UP-unit position.

 S 865-067
 (18)
 Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel:

 (a)  
11H12, FLAP POS IND LEFT

 S 215-068
 (19)
 Make sure the position indicator needle for the L flap moves to the UP-unit position.

 S 865-069

 (20)
 Open this circuit breaker on the P11 panel and attach DO-NOT-CLOSE tag:

 (a)  
11H13, FLAP POS IND RIGHT

 S 215-070
 (21)
 Move the flap control lever to the 1-unit detent, let the flaps move to the 1-unit position and the slats move to the intermediate position, and do the checks that follow:

 (a)  
Make sure the position indicator needle for the R flap does not move to the 1-unit position..

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757
MAINTENANCE MANUAL

 (b)  Make sure the position indicator needle for L flap moves to the 1-unit position.
 S 865-164
 (22)
 Remove the DO-NOT-CLOSE tag and close this circuit breaker on P11 panel:

 (a)  
11H13, FLAP POS IND RIGHT

 S 215-071
 (23)
 Move the flap control lever to the zero (FLAPS UP) detent, let the flaps and slats fully retract, and do the checks that follow:

 (a)  
Make sure the position indicator needles for L and R flap are in the tolerance band for the UP-unit position.

 S 865-165
 (24)
 Push the arming switches for the alternate drive of the TE flap and LE slat to arm the flap and slat alternate drives (switch lights will come on).

 S 865-072

 (25)
 Put the position selector switch for the alternate flaps/slats in the UP-unit detent.

 S 865-073

 (26)
 Open this circuit breaker on the P6 panel and attach DO-NOT-CLOSE tag:

 (a)  
6D23, ALTN FLAP PWR

 S 215-074
 CAUTION: AFTER THE ALTERNATE DRIVE MOTOR HAS RUN FOR 12 MINUTES (2 FLAP
_______ CYCLES) DO NOT OPERATE THE MOTOR FOR 3 MINUTES. IF YOU LET THE MOTOR RUN FOR TOO MUCH TIME IT CAN CAUSE DAMAGE TO EQUIPMENT.
 (27)
 Put the position selector switch for the alternate flaps/slats in the 1, 5, 15, 20, 25, and 30-unit detents. Wait for at least 5 seconds in each detent and make sure the steps that follow occur:

 (a)  
Make sure the TE flaps do not move for each detent.

 (b)  
When the position selector switch is moved to the 1-unit detent, make sure the LE slats go to the intermediate position.

 (c)  
When the position selector switch is moved to the 20-unit detent, make sure the LE slats go to the fully extended position.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL

 (d)  Make sure the TRAILING EDGE light is on and that the EICAS message, TE FLAP DISAGREE, shows on the EICAS display unit.
 S 865-075
　
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