COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Boeing 767 Series Aeroplanes AD/B767/17 Entry and Service door Mid Liner Dust Covers 3/88 Applicability: All model 767 listed in the Requirement document. Requirement: Action in accordance with Boeing SB 767-25A0092. Note: FAA AD 87-25-09 refers. Compliance: Inspect at intervals not to exceed 90 days until modified. Modify prior to 19 June 1989. Background: A loose inner window (dust cover) interfered with the movement of the upper liner and prevented the door from opening fully.