COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES SIAI Marchetti S205 and S208 Series Aeroplanes AD/SM-205/32 Engine Induction Valve Assembly P/No. 205-5-260- 101 or P/No. 205-5-260-01 - Modification 5/82 Applicability: All models S205/20F and S205/20R with S/Nos. referenced in SIAI Marchetti SB No. 205 B55 or with S/Nos. listed in subsequent issues of that SB. Document: 1. SIAI Marchetti SB No. 205B55. or 2. RAI AD 82-10/5205-47. Compliance: Unless already accomplished, within 100 hours time in service after 31 May 1982. Background: Breakage or loss of the MS 9048-006 pins securing the butterfly to the valve has been experienced overseas.