Emergency Related Systems (Fire, Exits)

Question 1

What will cause the Overwing Exit locks to OPEN?

Answer 1

Any of the below conditions are not met:
- 3/4 Overwing Exits Closed
- An Engine Running
- Airborne or Thrust Lever to takeoff position

OR

DC Power is lost

Question 2

What does a LEFT or RIGHT OVERWING light indicate?

BONUS: How is this related to a PSEU light?

Answer 2

An overwing exit door is open and/or not locked

In flight if a lock fails or faults the PSEU illuminates + OVERHEAD annunciator and Master Caution illuminates 30 seconds after the aircraft is on the ground. (Inhibited from TO to 30 seconds after landing.)