COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Boeing 747 Series Aeroplanes AD/B747/154 Amdt 1 Nacelle Strut and Wing Structure - Rolls Royce RB211 Series Engine 2/96 Applicability: Model 747 series aircraft with line positions 292 through 1033, equipped with Rolls Royce RB211 series engine. Requirement: Action in accordance with the technical requirements of FAA AD 95-13-05 Amdt 39- 9285. Note: Boeing Alert Service Bulletin 747-54A2157 Revision 1 refers. Compliance: As specified in the Requirement Document. The Compliance of the initial issue of this Directive remains unchanged. This Amendment is effective from 1 February 1996. Background: The FAA requires the incorporation of a modification of the strut and wing structure that has been developed by the manufacturer to improve the damage tolerance capability and durability of the strut-to-wing attachments, and reduce reliance on inspections of those attachments. Amendment 1 is issued to introduce a revision of the manufacturer's service bulletin which is related to this Directive.