COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 90 and 65-90 (King Air) Series Aeroplanes AD/BEECH 90/95 Landing Gear Hand Pump - Modification 9/99 Applicability: All Beechcraft C90A model airplanes with serial numbers LJ1063 through LJ-1482. Requirement: Install a filter element in the landing gear hand pump suction line in accordance with Raytheon Mandatory Service Bulletin SB 32-3073 Revision 1 dated July 1998. Note: US FAA AD 99-09-10 Amdt 39-11143 dated 26 April 1999 refers. Compliance: Within 200 hours' time in service (TIS), from the effective date of this Directive This Airworthiness Directive becomes effective on 9 September 1999. Background: Experience has shown that debris can get into the landing gear hand pump system and prevent the successful operation of the system. This Directive introduces a modification to filter the suction line and prevent debris from migrating further into the system.