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/60 Passenger/Crew Door 12/93 Applicability: All Jetstream Series 3100 and Series 3200 aircraft with constructors numbers up to and including 972. Requirement: Action in accordance with British Aerospace Mandatory Service Bulletin 52-JM 7793. Note: UK CAA AD 010-08-93 refers. Compliance: Prior to 30 April 1994. Background: There have been reports of spurious indications from the door warning system. This Directive affects the passenger/crew drawbolt installations and the door warning system microswitch rigging.