S 215-090
(44)
Make sure the EICAS messages, FLAP/SLAT ELEC and FLAP/SLAT BITE, are not shown on the ECS/MSG display.
S 215-091
(45)
Make sure the TRAILING EDGE light is off and the EICAS message, TE FLAP DISAGREE, is off the display.
M.
Alternate Electric Operation - Test
S 865-092
(1)
Push the arming switches for the alternate drives of the TE flaps and LE slats to arm the flap and slat alternate drives (switch lights will come on).
S 865-093
(2)
Open this circuit breaker P6 panel and attach DO-NOT-CLOSE tag:
(a)
6D23, ALTN FLAP PWR
S 215-221
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.
(3)
Put the position selector switch for the alternate flaps/slats to the 1-unit detent, and do the checks that follow:
(a)
Make sure the TE flaps do not move.
(b)
Make sure the LE slats move to the intermediate position.
(c)
Make sure the TRAILING EDGE light is on.
S 865-220
WARNING:_______KEEP PERSONS AND EQUIPMENT AWAY FROM THE TE FLAPS. IN THE STEP THAT FOLLOWS, THE FLAPS WILL EXTEND AND MAY CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(4)
Remove the DO-NOT-CLOSE tag and close the P6 panel circuit breaker that follows, and make sure the TE flaps move to the 1-unit position:
(a)
6D23, ALTN FLAP PWR
S 215-096
(5)
Put the position selector switch to the UP-unit detent and do the check that follows:
(a)
Make sure the TE flaps and LE slats move to the UP position.
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(6) Put the position selector switch to the 1-unit detent and do the checks that follow:
(a) (b) (c) Make sure the flaps move to the 1-unit position and LE slats move to the intermediate position.Make sure the TRAILING EDGE light is off.Make sure the EICAS message, TE FLAP DISAGREE, is off the display.
S 865-098
(7) Open this circuit breaker on the P6 panel and attach DO-NOT-CLOSE tag: (a) 6D20, ALTN SLAT PWR
S 215-099
(8) Put the position selector switch to the UP-unit detent and do the checks that follow:
(a) (b) (c) (d) The TE flaps move to the UP position.The LE slats do not move.The LEADING EDGE Light is on.The EICAS message, LE SLAT DISAGREE, shows on the display.
S 215-100
(9) Remove the DO-NOT-CLOSE tag and close this circuit breaker P6 panel and make sure the LE slats do not move:
(a) 6D20, ALTN SLAT PWR
S 215-101
WARNING:_______KEEP PERSONS AND EQUIPMENT AWAY FROM THE LE SLATS. IN THE STEP THAT FOLLOWS, THE SLATS WILL RETRACT AND MAY CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(10) Push the arming switches for the TE flap and LE slat alternate drive to disarm the flap and slat alternate drives (switch lights will go off), and make sure the LE slats retract to the UP position.
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S 215-102
(11)
Make sure the LEADING EDGE light is off and the EICAS message, LE SLAT DISAGREE, does not show on the display.
S 865-152
(12)
Push the arming switches for the TE flap and LE slat alternate drive to arm the flap and slat alternate drives (switch lights will come on).
S 215-103
(13)
Put the position selector switch for the alternate flaps/slats to the 1-unit detent and do the checks that follow:
(a)
Make sure the flaps move to the 1-unit position.
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