AD NUMBER: 2006-08-12
MANUFACTURER: MDHI
SUBJECT: Airworthiness Directive 2006-08-12
SUMMARY: This amendment supersedes an existing
airworthiness directive (AD) for the MD Helicopters, Inc. (MDHI)
Model 600N helicopters, that currently requires inspecting both
upper tailboom attachment fittings, nut plates and both angles for
a crack or thread damage, and repairing or replacing any cracked or
damaged part.