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 748/17 Engine Subframe Eye Bolt 5/95 Applicability: All HS748 Aircraft. Requirement: 1. On both left and right engine subframe assemblies inspect the installation of the eye bolt (P/N 14b.0.3975) into the "Y" plate (P/N 14a.0.3975) in accordance with British Aerospace Mandatory Service Bulletin (MSB) 54/31. 2. Rectify any deficient eye bolt installations in accordance with British Aerospace MSB 54/31. Note: CAA (UK) AD 009-08-88 refers. Compliance: 1. Inspect before 11 May 1995. 2. Rectify, if required, within 60 days of the Requirement 1 inspection. Background: An in-service failure of an eye bolt revealed the possibility of incorrect bedding of the eye bolt head to the sub-frame "Y" plate.