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Thu, Nov 10, 2005

AD: General Electric

AD NUMBER: 2005-23-09
MANUFACTURER: General Electric
SUBJECT: Airworthiness Directive 2005-23-09

SUMMARY: The FAA is adopting a new airworthiness directive (AD) for General Electric Company (GE) CF6-80E1A1, -80E1A2, -80E1A3, -80E1A4, and -80E1A4/B turbofan engines.

This AD requires initial and repetitive fluorescent-penetrant inspections (FPI) of certain areas of high pressure compressor (HPC) cases, part number (P/N) 1509M97G07 and P/N 2083M69G03.

This AD results from the discovery that HPC cases, P/N 1509M97G07 and P/N 2083M69G03, were inadvertently left out of the Airworthiness Limitations Section (ALS), Chapter 05-21-02, of GE Engine Manual, GEK 99376, Revision 17.

We are issuing this AD to prevent failure of the HPC case aft mount flange, due to cracking.

FMI: www.faa.gov/regulations_policies/airworthiness_directives/

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