AD and ASB's for checking Tail Rotor laminated bearings every 3 hrs and if suspect remove Tail Rotor to check 4 paulstra laminated bearings. Limits on cracks and rubber portrusions. VNE limited to 100kts TAS and must be in red letters on white in cockpit. Saying target is to start retrofitting Feb if certified with load compensator and remove flyweights/chinese weights as per b3.