737 Annunicator

Question 1

Glareshield - System Annunciator

Answer 1

System Annunciator.

Shows the system that has a fault.

Anti-ice, Hydraulic, Doors, Engine, Overhead, Air Condition

Question 1

F/O Panel - AP Indicator

Answer 1

Flashes Red - A/P has disengaged

Steady Red - Stab out of trim below 800ft., or ALT ACQ mode inhibited during go-around, or Auto Ground System test fail

Flashes Amber - CWS warning activated

Steady Amber - light test switch is held

Question 2

F/O Panel - A/T Indicator

Answer 2

Flashing Red - A/T has disengaged

Steady Red - press to test

Flashing Amber - Airspeed deviation warning

Steady Amber - press to test

Question 3

Overhead (Center) Eqiup Cooling

Answer 3

Illuminated if:

• Low airflow detected in fan duct / fan failure
• Fail of internal sensor BITE on power up
• Sensor or filter is dirty
• Overboard exhaust valve fails