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/37 Tripod 5/94 Applicability: Model SA 365 N helicopters equipped with tripod part number 360A23-0024-09. Requirement: Action in accordance with Eurocopter Telex Service Bulletin 01.28b. Note: DGAC AD 88-188-024(B)R1 refers. Compliance: Unless already accomplished, as specified in the Requirement Document. Background: A crack was found at the root of one of the three arms on the tripod ring. An investigation revealed that the crack originated at a corrosion site.