COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES British Aerospace BAe 146 Series Aeroplanes AD/BAe 146/8 Amdt 1 Flaptrack 3 Lower Carriage Roller Bearings 7/90 Applicability: Series 100, 100A, 200 and 200A with serial nos listed in the Requirement document. Requirement: Action in accordance with BAe SB 57-24-00911A Revision 2. Compliance: Prior to 31 May 1989. Background: Development testing has revealed that the roller bearing pins have insufficient strength to withstand the loads developed if the flaps jam under power. Amendment 1 updates the Requirement Document to Revision 2.