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AD/CF6/51 Amdt 2 - LPT Shroud - Replacement
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AD/CF6/51 Amdt 2 - LPT Shroud - Replacement
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| AD/CF6/51 Amdt 2 | LPT Shroud - Replacement | 17/2010 |
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| Applicability: | General Electric CF6-50 and CF6-80C2 engines as specified in the requirement document. |
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| Requirement: | Action per the requirements of FAA AD 2003-02-07, Amdt 39-13024.Alternative Means of Compliance.The stage 2 LPT shroud 2083M12G02 and stage 3 LPT shroud 2083M13G02 released in Service Bulletin (SB) CF6-80C2 S/B 72-1224 dated 17 August 2006 are approved as an alternate means of compliance to paragraph (b) of FAA Airworthiness Directive (AD) 2003-02-07.The stage 2 LPT shroud 2092M11G01 released in SB CF6-80C2 S/B 72-1224 is approved as an alternate means of compliance to paragraph (a) of FAA AD2003-02-07 if used in conjunction with LPT case 1647M68G15 (CF6-80C2 SB72-0946), 2083M94G16 (CF6-80C2 SB 72-1171), or 1647M68G18 (CF6-80C2 SB 72-1170).Later revisions to SB CF6-80C2 S/B 72-1224 dated 17 August 2006, approved by the United States Federal Aviation Administration (FAA) as an Alternate Means of Compliance (AMOC) to FAA AD 2003-02-07, are considered acceptable for compliance with the equivalent Requirements of this AD. |
| Compliance: | As detailed in the requirement document with revised effective date of this Directive. |
| This Amendment becomes effective on 3 September 2010. | |
| Background: | Actions specified in this Directive improve the Low Pressure Turbine containment capability of the affected engines.Amendment 1 adds an alternative means of compliance. The manufacturer has developed other parts that have approved for fitment in lieu of those parts originally specified in FAA AD 2003-02-07. |
| Amendment 2 notates the acceptance of later revisions of the manufacturer’s data which are approved as an AMOC to FAA AD 2003-02-07. |
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Mike Higgins
Delegate of the Civil Aviation Safety Authority
24 August 2010