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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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.
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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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