COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters
AD/BELL 206/78 Freewheeling Outer Race Shaft - Inspection 2/79
Applicability: All models as detailed in Requirement Documents. Document: 1. Bell Alert SB No. 206-78-2; or
2. Bell Alert SB No. 206L-78-4; or
3. Agusta SB No. BT206-19. Compliance: As detailed in the requirement documents.
Background: Due to an incorrect manufacturing process, a number of freewheeling outer race shafts have exhibited intergranular cracking in the radii area forward of the engine drive splines. AD/Agusta 206/63 equivalent.