Originally Posted by
AEpilot76
If it was the right hydraulic system, you lose normal braking and are down to alternate brakes and reserve braking. Anti-skid is available in alternate brakes but not reserve brakes. If he was down to reserve brakes, this could possibly explain the brakes locking
That would require a double failure, though, wouldn't it?
Is reserve braking hydraulic or pneumatic?
On the DC9/MD80 half of the cylinders on each brake are on the right system and half on the left. Losing one system doesn't affect your ability to brake.