AD 2002-22-51
Effective 12/26/2002 · Published 12/11/2002
Airworthiness Directives; MD Helicopters, Inc. Model MD900 Helicopters
Summary
This document publishes in the Federal Register an amendment adopting Airworthiness Directive (AD) 2002-22-51, which was sent previously to all known U.S. owners and operators of MD Helicopters, Inc. (MDHI) Model MD900 helicopters by individual letters. This AD requires, before further flight, certain procedures and inspections of the main rotor support static mast (mast) and the mast threads for any crack or pittin…