COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Boeing 767 Series Aeroplanes AD/B767/111 MLG Forward Trunnion Joint 8/99 Applicability: Model 767 series aircraft, with line positions 001 through 455. Requirement: Action in accordance with the technical requirements of FAA AD 99-10-08 Amdt 39- 11161. Note: Boeing Service Bulletin 767-32A0127 refers. Compliance: As specified in the Requirement Document for the initial, and if applicable, repeat inspections; with a revised effective date of 12 August 1999. This Airworthiness Directive becomes effective on 12 August 1999. Background: The FAA received reports of corrosion at the forward trunnion thrust face, tabs, and the internal threads of the forward trunnion of the main landing gear due to moisture in the forward trunnion joint. Corrosion of the forward trunnion joint could lead to a stress corrosion fracture of the forward trunnion and possible consequent collapse of the landing gear.