Document ID: chunk:federal_register_of_legislation:F2006B06709:body:0
Version: federal_register_of_legislation:F2006B06709
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

 Sikorsky S-76 Series Helicopters

AD/S-76/27 Main Rotor Blade Spar Tip End - Inspection 5/83

            Applicability: All models with main rotor blade assemblies P/N 76150-09000 and P/N 76150- 09100-041 thru -050, unless the blade assemblies are marked as RS-004E-II or RS- 004F-II.

 Document: Sikorsky Alert Service Bulletin No. 76-65-34.

            Compliance: Within 100 hours time in service after 31 May 1983 and thereafter at each scheduled tip cap removal.

            Background:  Cracks were detected at the spar tip end in one blade undergoing repair at Sikorsky Aircraft.