COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Bell Helicopter Textron 205 Series Helicopters AD/BELL 205/58 Time Expired Tail Rotor Yoke 4/90 Applicability: All models fitted with aluminium tail rotor grips P/N 204-011-728-19. Requirement: Inspect and remove from service any tail rotor grip with any of the following S/Nos: A3-66287 A3-66365 A3-67171 A3-66333 A3-66370 A3-67184 A3-66356 A3-66377 A3-67207 A3-66361 A3-67149 Note: FAA Priority Letter AD 90-03-10 refers. Compliance: Prior to further flight after 19 February 1990. Background: Advice has been received that a number of tail rotor grips previously operated for 300 hours time in service are being misrepresented as new items.