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 206/16 Cyclic Stick Balance Spring Clip - Inspection 7/69 Applicability: All model 206A with S/Nos. 4 thru 408 incorporating the cyclic stick balance spring. Requirement: Inspect the balance spring clip, P/N 206-001-391-1 for proper mounting on the yoke, left hand P/N 206-001-322-3, and readjust as necessary. The clip must be mounted on the left hand outboard side of the clevis of the yoke with the 0.38 by 0.16 inch tang of the clip against the top surface of the yoke pointing inboard. Figure 1 of Bell SL No. 206A104 Revision B dated 17 January 1969, illustrates the correct method of installing the clip. Compliance: Within 5 hours time in service after 26 May 1969.