(b)
Make sure the LE slats move to the intermediate position.
S 215-104
(14)
Put the position selector switch for the alternate flaps/slats to the UP-unit detent and do the checks that follow:
(a)
Make sure the TE flaps and LE slats move to the UP position.
(b)
Make sure the position indicator needles for the R and L flaps are in the tolerance band of the UP position.
S 865-105
(15)
Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags:
(a)
11G12, FLAP SLAT ELEC UNIT 1 POWER
(b)
11G14, FLAP SLAT ELEC UNIT 1 SENSOR
S 215-106
(16)
Make sure the EICAS message, FLAP/SLAT ELEC, shows on the status and ECS/MSG display.
S 215-107
(17)
Put the position selector switch for the alternate flaps/slats in the 1-unit detent, and do the checks that follow:
(a)
As the TE flaps start to move, make sure the position indicator needles jump for the L and R flap move quickly to a position between the UP-unit and 1-unit positions.
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(b)
When the TE flaps go to the 1-unit position and the LE slats go to the intermediate position, make sure the position indicator needles move quickly to the tolerance band of the 1-unit position.
(c)
11C14, FLAP SLAT ELEC UNIT 2 POWER
(d)
11C15, FLAP SLAT ELEC UNIT 2 CONT
(e)
11C16, FLAP SLAT ELEC UNIT 2 SENSOR
S 215-110
(18)
Make sure the EICAS message, FLAP/SLAT ELEC message, stays on the ECS/MSG and status display.
S 215-111
(19)
ON AIRPLANES WITH -17 OR LOWER FSEU; make sure the EICAS message, a FLAP/SLAT BITE, stays on the ECS/MSG display.
S 215-112
(20)
Put the position selector switch in the UP-unit detent, and make sure the steps that follow occur:
(a)
Make sure the TE flaps move to the UP position before the LE slats retract.
(b)
As the TE flaps go to the UP position, make sure the position indicator needles move smoothly to the tolerance band of the UP position.
(c)
Make sure the LE slats then move to the UP position.
S 865-113
(21)
Remove the DO-NOT-CLOSE tags and close the circuit breakers on the P11 panel:
(a)
11C14, FLAP SLAT ELEC UNIT 2 POWER
(b)
11C15, FLAP SLAT ELEC UNIT 2 CONT
(c)
11C16, FLAP SLAT ELEC UNIT 2 SENSOR
(d)
11G12, FLAP SLAT ELEC UNIT 1 POWER
(e)
11G14, FLAP SLAT ELEC UNIT 1 SENSOR
S 035-114
(22)
Erase the EICAS message, FLAP/SLAT BITE, from the ECS/MSG display.
S 215-115
(23)
Make sure the EICAS message, FLAP/SLAT ELEC, is not shown on the status and ECS/MSG display.
S 215-116
(24)
Put the position selector switch for the alternate flaps slats in the 1-unit detent and do the check that follows:
(a)
Make sure the TE flaps move to the 1-unit position and the slats move to the intermediate position in less than 60 seconds of position selector switch movement.
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A
757
MAINTENANCE MANUAL
S 215-117
(25)
Put the position selector switch for the alternate flaps/slats in the 5-unit detent, and do the checks that follow:
(a)
Make sure the position indicator needles for the L and R flap are in the tolerance band for the 5-unit position when the TE flaps stop at the 5-unit position.
(b)
Make sure the flaps go to the 5-unit position in less than 80 seconds from the movement of the position selector switch.
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