COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Boeing 727 Series Aeroplanes AD/B727/106 Main Landing Gear Support Link 3/89 Applicability: All models listed in Boeing SB 727-32-306. Requirement: Action in accordance with the requirements of FAA AD 88-24-01 paras A, B and C. Compliance: In accordance with the Requirement document. Background: There have been reports of corrosion and cracking of the support link shaft, failure of which, could cause damage to the wing and/or hydraulic system.