Landing Gear
LANDING GEAR Lever

DN –

Landing gear extends.

When the LANDING GEAR lever is moved to DN, hydraulic
system A pressure is used to release the uplocks. The
landing gear extends by hydraulic pressure, gravity and air
loads. Overcenter mechanical and hydraulic locks hold the
gear at full extension. The nose wheel doors remain open
when the gear is down.
The override trigger allows the LANDING
GEAR lever to be raised, bypassing the
landing gear lever lock.