Speed Brake Lever
Ground Spoilers Landing
LANDING - Ground spoiler extension occurs automatically upon landing at touchdown of both main gear when:
- Both thrust levers are at forward idle if the ground spoilers are armed, or
- Reverse thrust is selected on at least one engine with the other thrust lever at idle if the ground spoilers are not armed
PARTIAL EXTENSION - Partial ground spoiler extension (10°) occurs when:
- Reverse thrust is selected on at least one engine with the other thrust lever at idle, and
- One main landing gear strut is compressed.
RETRACTION - The ground spoilers retract when the thrust levers are at idle and the speed brake lever is disarmed, or when at least one thrust lever is above idle.