2019-SW-063-AD; Leonardo S.p.A. Model AW189 Helicopters, to Require Inspecting the Hydraulic Fluid Level on Each Tail Rotor (T/R) Damper and Depending on the Inspection Results, Removing the T/R Damper from Service and Reporting Information or Repetitively Inspecting the T/R Damper. 2019-SW-063-AD