COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Fokker F50 (F27 Mk 50) Series Aeroplanes AD/F50/62 Lights - Rear Cabin Exit Sign 12/93 Applicability: F27 Mk 050 serial numbers identified in the requirement document. Requirement: Action in accordance with the technical requirements of RLD Airworthiness Document BLA 93-106 (A). Note: Fokker Service Bulletin SBF50-33-028 refers. Compliance: Prior to 11 May 1994. Background: In some aircraft configurations, the exit sign on the cargo compartment door is obscured from view.