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AD/CF6/80 - High Pressure Compressor Air Ducts
General Electric Turbine Engines - CF6 SGeneral Electric Turbine Engines - CF6 Series
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General Electric Turbine Engines - CF6 Series
| AD/CF6/80 | High Pressure Compressor Air Ducts | 21/2010 |
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| Applicability: | General Electric Company CF6 engines as specified in FAA AD 2001-12-20. |
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| Requirement: | Unless already accomplished, replace the air duct and mating hardware, and inspect in accordance with the requirements of FAA AD 2001-12-20.Repeat the inspection in accordance with the requirements of FAA AD 2001-12-20.Later revisions to GEAE ASB CF6-50 72-A1200, Revision 3, dated May 30, 2001or GEAE ASB CF6-50 72-A0958, Revision 3, dated May 25, 2001, approved by the United States Federal Aviation Administration (FAA) as an Alternate Method of Compliance (AMOC) to FAA AD 2001-12-20, are considered acceptable for compliance with the equivalent Requirements of this AD. |
| Compliance: | As specified in the Requirement Document with a revised effective date of11 November 2010. |
| This Airworthiness Directive becomes effective on 11 November 2010. | |
| Background: | This AD results from reports of an uncontained low pressure turbine disc failure that resulted from an air duct failure that caused a fan mid shaft separation. The actions specified by this AD are intended to prevent high pressure compressor air duct failures that could result in fan mid shaft failures. |
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Mike Higgins
Delegate of the Civil Aviation Safety Authority
8 October 2010