To revisit history - the LTE incidents typically happen when turning right at no airspeed, or low airspeed, when out of ground effect.
part of the problem is the engine governor will reduce rotor RPM with respect to the earth (not necessarily with respect to the airframe) and this will affect the tail rotor RPM, and hence tail rotor thrust. The faster the rate of rotation, the more the governor will back off the main rotor RPM (with respect to the earth, not the airframe- the governor is directly connected to the N2 turbine, and is basically thus counting 'blades passing tailboom' - and since you're rotating in the opposite direction to the rotor, the governor thinks the rotor is going too fast)
The tail rotor is still producing thrust, but just not enough to overcome the rate of yaw.
The tested and proven solution is to add full left pedal and forward cyclic and get some airspeed over the vertical stabilizer to get some directional stability.
But prevention is the better solution.