COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES British Aerospace (Hawker Siddeley) HS 748 Series Aeroplanes AD/HS 748/3 Aileron Cable Pulley Guard 12/94 Applicability: Model HS748 aircraft without Mod 5244 incorporated. Requirement: Action in accordance with Jetstream Aircraft Service Bulletin HS748-27-70 Rev 2. Note: UK CAA AD 009-05-94 refers. Compliance: Prior to 1 May 1995. Background: The UK CAA requires incorporation of a modification which installs rubbing strips at the rear spar adjacent to where the aileron cable loop turnbuckles are located. This action is required because of an incident where the turnbuckle of an under-tensioned aileron cable fouled a lightening hole in the wing trailing edge structure.