COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Boeing 767 Series Aeroplanes AD/B767/77 Amdt 2 Override/Jettison Fuel Pump 13/94 Applicability: Model 767 series aircraft line position 001 to 545 inclusive. Requirement: Action in accordance with Boeing Alert Service Bulletin 767-28A0045 Revision 2. Note: Sundstrand SB 5006286-28-A5 Revision 2 and FAA AD 94-11-05 Amdt 39- 8921 refers. Compliance: Unless previously carried out, within 30 days from 8 December 1994. Thereafter, repeat the inspection at intervals not exceeding 1000 hours time in service until the requirements of Boeing SB 767-28-0046 have been incorporated. Background: The manufacturer has advised that a loose diffuser ring may cause damage to the impeller and pumping unit housing causing the pump to lock-up. During dry fuel pump operation, a loose diffuser ring may result in metal-to-metal contact creating a potential ignition source. This amendment adds terminating action for this directive.