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Fri, Jul 03, 2009

AD: GE

AD NUMBER: 2009-14-08

MANUFACTURER: General Electric Company (GE) CF6- 80C2B5F Turbofan
SUBJECT: Airworthiness Directive 2009-14-08

SUMMARY: The FAA is adopting a new airworthiness directive (AD) for GE CF6-80C2B5F turbofan engines. This AD requires removing certain part number (P/N) high-pressure compressor rotor (HPCR) stages 11-14 spool/ shafts before they exceed a new, reduced life limit. This AD results from an internal GE audit that compared the life limited parts certification documentation to the airworthiness limitations section (ALS) of the instructions for continuing airworthiness (ICA). We are issuing this AD to prevent HPCR stages 11-14 spool/shaft fatigue cracks caused by exceeding the life limit, which could result in a possible uncontained failure of the HPCR spool/shaft and damage to the airplane.

FMI: http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgAD.nsf/0/A7812DCC63718B87862575E60047B761?OpenDocument

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