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What does the amber color represent?
LED in transit
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What does the green color represent?
LED in extend or full extend position
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What is wrong if the if all lights are extinguished?
Nothing
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Why do the leading edge flaps have only two positions on the annunciator?
There are only two positions: retracted or extended
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Why do the leading edge flaps have three positions on the annunciator?
There are three positions: retracted, extended or full extended
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When might a green light be an indication of an abnormal condition?
LED jammed or in an improper/uncommanded position
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If the annunciator panel was inoperative, where could you monitor the LEDs in transit?
Forward instrument panel LE FLAPS IN TRANSIT light
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Is autoslat movement displayed on the LED annunciator panel?
Yes
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Is autoslat movement displayed on the LE FLAPS IN TRANSIT light on the center forward panel?
No, this light is inhibited during autoslat operations
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Do the LED annunciator lights test with the MASTER lights test switch on the forward panel?
Yes
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At what flap settings do the slats move to the EXTEND position?
1,2,5
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At what flap setting do the leading edge flaps move to FULL EXTEND?
Flaps 1 or greater
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At what flap settings do the slats move to the FULL EXTEND position?
Flaps 10 or greater
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Why are the flap handle gates positioned at the 1 and 15 degree settings?
Those are the go-around flap settings
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How are the trailing edge flaps normally operated?
Hydraulically from System B
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How can the trailing edge flaps be extended if Hydraulic system B fails?
Electrically through the alternate flaps position switch
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What happens when the ALTERNATE FLAPS switch is moved from OFF to ARM?
Standby hydraulic pump activates
Alternate flap position switch activates
Trailing edge flap bypass valve closes
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Can the trailing edge flaps be retracted with the ALTERNATE FLAPS position switch?
Yes
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What features are not available during alternate flap operation?
Asymmetry and skew protection
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What happens to the leading edge devices when the ALTERNATE FLAPS position switch is actuated?
All leading edge devices go to full extend
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Can leading edge devices be retracted if the ALTERNATE FLAPS position switch is actuated?
No
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Does the ALTERNATE FLAPS position switch have to be held until the leading edge devices arrive at the desired position?
No, it is a momentary switch. All LEDs go to full extend.
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Does the ALTERNATE FLAPS position switch have to be held until the trailing edge flaps arrive at the desired position?
Yes
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Does the ALTERNATE FLAPS position switch have to be held in order to retract the flaps?
No, it is held magnetically
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What is the ALTERNATE FLAPS duty cycle for flaps 1 to 15?
5 minutes OFF
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What is the ALTERNATE FLAPS duty cycle for flaps greater than 15?
25 minutes OFF
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What can be determined by the trailing edge flap position indicator?
Flap position, asymmetry or skew
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What electrical power is required for the trailing edge flap position indicator to function?
AC power (transfer bus #2)
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How would you be able to determine that an asymmetric flaps situation exists?
Split indicator needles
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What does #12 indicate?
Illuminated (amber) –
-indicates failure of the auto slat system
-indicates failure of a single Stall Management/Yaw Damper (SMYD) computer when illuminated during MASTER CAUTION recall and extinguishes when master caution system is reset.
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