If I throttle up past around 50% in loiter, stabilize, altitude and pos. hold modes and then throttle down to zero, power continues to the motors indefinitely unless I go into Acro mode (and land mode, I think).  Once I change modes into Acro the…

Running Pixhawk on a quad, fw 3.2.  No. 2 motor does not turn when the FC is armed and throttle applied.  But the motor turns individually using the motor test in Mission Planner.  I recalibrated the accels, and the FC passed all tests (which I ran…