COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES General Electric Turbine Engines - CJ610 Series AD/CJ610/4 Outer Combustion Casing 9/85 Applicability: All CJ610 series engines fitted with outer combustion casings P/No. 37R601112P115, 37R601112P119, 6006T64G01, 2920T29P01, 2920T29P02, 2920T29P03. Document: General Electric Alert Service Bulletin (CJ610) A72-116 and Addendum 1; or AD/GE-T/29A. Compliance: As detailed in the Requirement Document. Background: This Directive is raised in issue in order to add Addendum 1 to the manufacturer's reference document. This addendum adds further affected outer combustion casing part numbers.