COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Allison Turbine Engines - 250 Series AD/AL 250/48 Amdt 3 Fourth Stage Turbine Nozzle P/N 6898694 - Inspection 5/83 Applicability: Allison 250-C30, C30P and C30S engines and turbine assemblies as detailed in the requirement document. Document: Allison 250-C30, C30P, C30S : CEB-A-72-3056, Rev. 3. Note: As FAA Airworthiness Directive No. 81-13-12 refers in part only. Compliance to this level does not constitute full compliance with Amendment 3 of this Directive. Compliance: In accordance with the requirement document upon receipt of this Directive. Background: This Directive was initially issued as the result of the receipt of FAA Directive No. 81-13-12. It is raised in issue to promulgate the changes made in Revision 3 of CEB- A-72.3056 which includes wider model affectivity, additional inspections and adds parts life limitations.