COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Aerospatiale Rallye Series Aeroplanes AD/MSR/11 Amdt 1 Flexible Hoses in Engine Compartment - Installation 2/73 Applicability: Models MS880B, MS885, MS892A, MS893A, MS894A. Requirement: Modify the fuel system by installing flexible fuel lines between the engine driven pump and the carburettor and in the fuel pressure indicator line, in accordance with Rallye SB No. 56 Part 2 and 3. Note 1: For those aircraft already modified in accordance with AD/MSR/7, further modification of the fuel pressure indicator line is not required. Note 2: Do not use parts of the original copper fuel line as adapters since these are liable to fatigue failure. Compliance: Within 100 hours time in service after 30 March 1973 unless already accomplished.