COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 19, 23 and 24 Series Aeroplanes AD/BEECH 23/30 Flap Cable Block 7/76 Applicability: All models B19 with S/Nos. MB-732 to MB-788; C23 with S/Nos. M-1600 to M- 1769; B24R with S/Nos. MC-305 to MC-398; which are equipped with mechanical flaps. Requirement: Action in accordance with Beechcraft SI No. 0831-161. Note: FAA AD 76-10-09 refers. Compliance: Within 100 hours time in service after 30 July 1976.