COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Aerospatiale Rallye Series Aeroplanes AD/MSR/25 Carburettor Heat Valve - Modification 9/78 Applicability: Models MS883, MS886, MS887, Rallye 150T, 150TD, 150ST, 150ST-D, 180T and 180TD with S/Nos. 1 to 3072. Models MS892A, 150, MS892E, 150, MS892E, 150D, MS893A, MS893E, MS893ED, MS894A, MS894C, MS894E, Rallye 235E, and 235ED with S/Nos. 1 to 13072. Document: 1. Rallye SB No. 137; or 2. Bureau Veritas AD 78-147(A). Compliance: Within 100 hours time in service after 31 October 1978. Note: Previous compliance with AD/MSR/14 satisfies compliance with this Directive.