A flight control actuator for actuating an aircraft flight control system, the flight control actuator comprising: a gearbox; an output shaft attached to the gearbox; an output lever provided on the output shaft , wherein the output lever is declutchable from the output shaft ; wherein the output lever comprises an inner diameter through which the output shaft passes, characterized in that there is provided at least one indentation in said inner diameter; wherein the output shaft comprises a hollow cylindrical member with at least one hole provided at the axial position of the at least one indentation of the output lever ; said flight control actuator further comprising: a plunger positioned in a first axial position within the output shaft ; and wherein one or more balls are positioned in each of said at least one hole of the output shaft and between the plunger and the at least one indentation of the output lever , such that the output lever and output shaft are rotatably coupled and the flight control actuator is clutched; and wherein; the plunger is tapered in diameter such that, when moved axially with respect to the output shaft into a second axial position, the one or more balls fall out of the at least one indentation in the output lever such that the output lever and output shaft are decoupled and the flight control actuator is declutched. a gearbox; an output shaft attached to the gearbox; an output lever provided on the output shaft , wherein the output lever is declutchable from the output shaft ; wherein the output lever comprises an inner diameter through which the output shaft passes, characterized in that there is provided at least one indentation in said inner diameter; wherein the output shaft comprises a hollow cylindrical member with at least one hole provided at the axial position of the at least one indentation of the output lever ; said flight control actuator further comprising: a plunger positioned in a first axial position within the output shaft ; and wherein one or more balls are positioned in each of said at least one hole of the output shaft and between the plunger and the at least one indentation of the output lever , such that the output lever and output shaft are rotatably coupled and the flight control actuator is clutched; and wherein; the plunger is tapered in diameter such that, when moved axially with respect to the output shaft into a second axial position, the one or more balls fall out of the at least one indentation in the output lever such that the output lever and output shaft are decoupled and the flight control actuator is declutched. a plunger positioned in a first axial position within the output shaft ; and wherein one or more balls are positioned in each of said at least one hole of the output shaft and between the plunger and the at least one indentation of the output lever , such that the output lever and output shaft are rotatably coupled and the flight control actuator is clutched; and wherein; the plunger is tapered in diameter such that, when moved axially with respect to the output shaft into a second axial position, the one or more balls fall out of the at least one indentation in the output lever such that the output lever and output shaft are decoupled and the flight control actuator is declutched. <EOS>