3. LEFT BLEED AIR VALVE ON/OPEN.
a. Pneumatic and suction pressures return to
b. L BL AIR FAIL annunciator extinguished.
4. RIGHT BLEED AIR VALVE ON/OPEN.
a. R BL AIR OFF annunciator extinguished.
b. Both BL AIR FAIL annunciators extinguished.
AUTOMATIC FLIGHT CONTROL SYSTEM
1. Altitude alert.
Pause a few seconds after each step to allow
time for the proper indications.
a. Set alert controller more than 1000 feet above
altitude indicated on pilot's altimeter. The
b. Decrease the alert controller to within 1000
feet of the pilot's altimeter setting. The alert
light should illuminate.
c. Decrease the controller to less than 250 feet
above the pilot's altimeter setting. The alert
light should extinguish.
d. Increase the controller to 300 ± 50 feet above
the pilot's altimeter indication and check that
the alert light illuminates.
e. Set the desired altitude.
a. Autopilot controller UP TRIM and DN TRIM
annunciators Check not illuminated.