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

Administered by Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts

Legislation au F2006B08465 In force Legislative Instrument

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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.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.