AD 2010-18-52
Effective 12/01/2010 · Published 11/16/2010
Airworthiness Directives; MD Helicopters, Inc. Model MD900 Helicopters
Summary
This document publishes in the Federal Register an amendment adopting Emergency Airworthiness Directive (AD) 2010-18-52 which was sent previously to all known owners and operators of MD Helicopters, Inc. (MDHI) Model MD900 helicopters by individual letters. This AD requires visually inspecting the main rotor hub (hub) for a crack. If a crack is found, this AD requires, before further flight, replacing the unairworth…