COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 55, 58 and 95-55 (Baron) Series Aeroplanes AD/BEECH 55/23 Amdt 1 Flap Bracket 8/72 Applicability: All 95-55, 55 & 58 series aeroplanes which have achieved 1000 or more hours' time in service. Requirement: Inspect flap actuator bracket and adjacent structure on RH and LH flaps for cracks or signs of distress. Compliance: Within 100 hours' time in service after 31 August 1972 and thereafter at intervals not exceeding 300 hours' time in service.