AD 2006-17-51
Effective 09/18/2006 · Published 09/01/2006
Airworthiness Directives; Agusta S.p.A. Model AB139 Helicopters
Summary
This document publishes in the Federal Register an amendment adopting Airworthiness Directive (AD) 2006-17-51, sent previously to all known U.S. owners and operators of Agusta S.p.A. (Agusta) Model AB139 helicopters by individual letters. This AD requires, before further flight and at specified intervals, certain visual inspections of each tailpipe assembly for a crack and for overheating. If you find areas of overh…