737 MAX Flight Crew Operations Manual
Flight Controls -
Controls and Indicators
9.10.10
MN-FLT-OH-201
3
SPEED BRAKE ARMED Light
Light deactivated when SPD BRK lever is in the DOWN position.
Illuminated (green) – indicates valid automatic speed brake system inputs.
4
SPEEDBRAKES EXTENDED Light
Illuminated (amber) –
• in–flight -
•SPD BRK lever is beyond the ARMED position, and
•a thrust lever is above idle for 15 seconds, or
•a thrust lever is above approximately 40 degrees for 3 seconds.
•SPD BRK lever is beyond the ARMED position, and
•TE flaps extended more than flaps 10, or
•radio altitude less than 800 feet, or
• on the ground -
•SPD BRK lever is in the DOWN detent,
•ground spoilers are not stowed.
Note:
On the ground, the SPEEDBRAKES EXTENDED light does not
illuminate when hydraulic system A pressure is less than 750 psi.
March 1, 2021
