COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES British Aerospace BAe 3100 (Jetstream) Series Aeroplanes AD/JETSTREAM/12 D.C. Power Distribution System 11/85 Applicability: Jetstream Series 3100 aircraft with S/Nos. 601 through 659. Requirement: British Aerospace Service Bulletin 24-A-JA850648. Note: The British Civil Aviation Authority have classified this Service Bulletin as mandatory. Compliance: Within 200 hours time in service after 30 November 1985. Background: The manufacturer advises that insufficient clearance may exist between components mounted at Station 130 on the right hand bulkhead. The area is inspected and modified as required by the referenced Service Bulletin.