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AD/CF6/82 - High Pressure Compressor Disk Lock Slots
General Electric Turbine Engines - CF6 SGeneral Electric Turbine Engines - CF6 Series
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General Electric Turbine Engines - CF6 Series
| AD/CF6/82 | High Pressure Compressor Disk Lock Slots | 21/2010 |
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| Applicability: | General Electric Company CF6 engines as specified in FAA AD 2000-11-12. |
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| Requirement: | Unless already accomplished, inspect in accordance with the requirements of FAA AD 2000-11-12.Repeat the inspections in accordance with the requirements of FAA AD 2000-11-12.Later revisions to Alert Service Bulletin GE CF6-50 ASB No. 72-A1144, Revision 1, dated May 13, 1999 that are approved by the United States Federal Aviation Administration (FAA) as an Alternate Method of Compliance (AMOC) to FAA AD 2000-11-12, 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 is prompted by reports of stage 14 High Pressure Compressor (HPC) disk lock slot cracks discovered during shop fluorescent penetrant inspections. The actions specified in this AD are intended to prevent stage 14 HPC disc failure, which could result in an uncontained engine failure and damage to the aircraft. |
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Mike Higgins
Delegate of the Civil Aviation Safety Authority
15 October 2010