COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Fokker F28 Series Aeroplanes AD/F28/37 Cargo Door Lock Warning Switch Actuating Mechanism - Modification 5/78 Applicability: All models with S/Nos. 11003 to 11112, 11115, 11116, 11120 and 11991 to 11993. Document: 1. Fokker SB No. F28/52-80; or 2. RLD Directive 78-13-52. Compliance: Before 1 August 1978.