AD 2001-07-09
Effective 05/01/2001 · Published 04/16/2001
Airworthiness Directives; MD Helicopters Inc. Model MD-900 Helicopters
Summary
This amendment supersedes an existing emergency airworthiness directive (AD) that applies to MD Helicopters Inc. (MDHI) Model MD-900 helicopters. That emergency AD requires, within 6 hours time-in-service (TIS), or before further flight after January 31, 2000, whichever occurs first, inspecting the main rotor upper hub assembly drive plate attachment flange (flange) and determining the torque of each flange nut (nut…