COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Fokker F28 Series Aeroplanes AD/F28/41 Wing Flap Mechanical Actuators - Modification 6/79 Applicability: All models with S/Nos. 11003 to 11162, 11991 and 11992. Document: 1. Fokker SB No. F28/27-136; or 2. Menasco SB No. SB27-78; or 3. RLD AD BLA 79-34-27. Compliance: As detailed in the requirement document.