Document ID: chunk:federal_register_of_legislation:F2006B03231:body:0
Version: federal_register_of_legislation:F2006B03231
Segment Type: other
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

 Boeing 747 Series Aeroplanes

 AD/B747/50  Inboard Pylon Upper Link 6/86 Applicability:              All models, line No's 1 to 616, with JT9D-3 or -7, or CF6-45 or -50 engine struts. Requirement:               Inspect in accordance with:
              1. FAA AD 86-07-06 (Sections A and C) or,

             2.    Boeing Service Bulletin 747-54-2111, Revision 1.

            Compliance: As detailed in Requirement Document No. 1. until modified in accordance with Requirement Document No.2.

            Background: Cracks have occurred in the forward lug of the inboard pylon upper link. If not corrected, this could result in separation of an engine from an aircraft.