Document ID: chunk:federal_register_of_legislation:F2006B08465:body:0
Version: federal_register_of_legislation:F2006B08465
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY
 SCHEDULE OF AIRWORTHINESS DIRECTIVES

 General Electric Turbine Engines - CF6 Series

AD/CF6/21 Eddy Current Inspection of High Pressure
                        Turbine Thermal Shields

 Applicability: CF6-45/-50 series engines.

11/91

            Requirement: Action in accordance with the Technical Requirements of FAA AD 91-15-16, Amendment 39-7080.

            Note: General Electric Service Bulletin 72-879 Revision 6 refers.

            Compliance: As specified in the Requirement Document with an effective date of 28 November 1991.

            Background: Four HPT stage one discs have been found cracked during inspection. The condition, if not corrected could result in uncontained engine failure.