COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Robinson R44 Series Helicopters AD/R44/3 Push-Pull Guide Tubes 8/95 DM Applicability: All R44 helicopters S/N 0001 through 0150 inclusive. Requirement: Unless previously carried out action in accordance with Robinson R44 Service Bulletin No 4. Note: FAA AD 95-09-07 Amdt 39-9210 refers. Compliance: Within 50 hours time in service after 26 May 1995 or before 30 June 1995, whichever occurs first. Background: The manufacturer has received reports of cyclic control binding. The binding is caused by excessive guide wear in which the P/N C121-7 push-pull tubes slide.