[Docket No. FAA-2012-1245; Directorate Identifier 2012-NE-41-AD; Amendment 39-17279; AD 2012-24-09

SUMMARY: We are adopting a new airworthiness directive (AD) for Lycoming Engines TSIO-540-
AK1A, and Continental Motors, Inc. TSIO-360-MB, TSIO-360-SB, and TSIO-360-RB reciprocating
engines, with certain Hartzell Engine Technologies (HET) turbochargers, model TA0411, part
number (P/N) 466642-0001; 466642-0002; 466642-0006; 466642-9001; 466642-9002; or 466642-
9006, or with certain HET model TA0411 turbochargers overhauled or repaired since August 29,