BEFORE TAXIING (CONT)
s. Go-around switch (left power
Iever) - Depress. Check that au-
topilot disengages and that
flight director commands a 7°
nose up, wings Ievel attitude.
*10. Autopilot trim fail system - Check
a . Autopilot - Engage. Command
DN with autopilot pitch thum-
bwheel and engage AUTO PI-
LOT TRIM TEST switch when
elevator trim wheel starts to ro-
b. Verify that autopilot disengages
and AP TRIM FAIL and MAS-
TER WARNING lights illumi-
nate within 10 seconds.
The AP TRIM FAIL annunciator light may
be extinguished by pressing the AP/YD DIS-
CONNECT button on the control wheel to
the first detent.
c. Repeat steps a and b except
command nose UP trim.
Altitude alerter - Check as follows: