COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Eurocopter SA 360 and SA 365 (Dauphin) Series Helicopters AD/DAUPHIN/32 Main Rotor Shaft 3/92 Applicability: All model SA 365 helicopters versions C, C1, C2, C3, N, N1 and N2 fitted with main rotor mast on which the manufacturer's modification AMS 365A 07.62 B 47 or kit No 365A 09.1034 has not been incorporated. Requirement: Action in accordance with the Technical Requirements of DGAC AD 91-268-035(B) or 91-267-031(B) as applicable. Note: Aerospatiale Service Bulletins SB 05.19 refers to SA 365C and SB 05.29 refers to SA 365N. Compliance: As specified in the Requirement documents except the date specified in paragraph 1.1 should read 30 May 1992. Background: Corrosion has been found on the rotor shaft at the lift bearing seal holder.