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 90/77 Landing Gear Service Valve 8/87
Applicability: Model Beech C90A, serial numbers LJ-1063 through LJ-1099. Requirement: Action in accordance with Beechcraft S.B. No. 2023.
Compliance: Prior to the issue of a Certificate of Airworthiness.
Background: The manufacturer has determined that to reduce the possibility of the landing gear service valve opening during flight, a retainer is installed on the floorboard, and lockwire is installed on the service valve knob.