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 23/36 Stabilator Trim Tab Actuator Rod 8/78 Applicability: Models B19 with S/Nos. MB-558 through MB-886. Models C23 with S/Nos. M-1413, M-1414, M-1416 to M-1418, M-1420 to M-1422, M-1424 to M-1438, M-1440 to M-1446, M-1448 to M-2009, M-2011 to M-2015, M-2017 to M-2020. Models B24R and C24R with S/Nos. MC-151 to MC-559, MC-561 to MC-563, MC-565 to MC-568, MC-571. Requirement: Action in accordance with Beechcraft SI No. 0994. Compliance: Within 25 hours time in service after 3 July 1978.