PRODUCT: CFM International S.A. Model CFM56
Turbofan Engines SUBJECT: Airworthiness Directive 2009-11-02 ACTION: Final Rule
SUMMARY: The FAA is correcting an airworthiness
directive (AD) that published in the Federal Register. That AD
applies to CFM International S.A. CFM56-2, CFM56-3, CFM56-5A,
CFM56-5B, CFM56-5C, and CFM56-7B series turbofan engines with
certain part number (P/N) and serial number (SN) high-pressure
compressor (HPC) 4-9 spools installed.
In Table 1 of the AD, the HPC 4-9 spool SN GWN05AMO in the 2nd
column of the Table is incorrect. This document corrects that
error. In all other respects, the original document remains the
DATES: This final rule is effective February
24, 2012. The effective date for AD 2009-11-02 (74 FR 23305, May
19, 2009) remains June 23, 2009.