Originally Posted by
Station Zero
Would have to look at the hydraulic schematic to see how the EFSM supplies the elevator dual feel actuator to confirm. But I believe it only affects one way as it provides the additional system A pressure to just one side of the actuator.
According to AMM diagrams this is correct. Also AMM wording on function (my emphasis) is "to increase elevator feel pressure to counteract or resist control column
elevator up movement" which appears to confirm .
However, big caveat that is all for the NG systems and may have changed for the MAX.