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 55/49 Engine Mount Fitting Attach Bolts 3/77 Applicability: All models 58P and 58PA with S/Nos. TJ-46 to TJ-74, TJ-76, TJ-78 to TJ-80, TJ-82 to TJ-85, TJ-88 and TJ-89. All models 58TC and 58TCA with S/Nos. TK-7 to TK-18, TK-20, TK-21, TK-25, TK-27, TK-30, TK-32, TK-34, TK-37 and TK-38. Requirement: Action in accordance with Beechcraft SI No. 0875-038. Compliance: Within 100 hours' time in service after 31 March 1977.