airworthiness · Rule · Final rule; request for comments. · Published 2012-06-18 · Effective 2012-07-03 · 77 FR 36137
Document
Document number
2012-14385
Federal Register citation
77 FR 36137
Type
Rule
Action
Final rule; request for comments.
Category
airworthiness
Manufacturer
AGUSTA S.p.A.
Publication date
2012-06-18
Effective date
2012-07-03
FAA docket
Docket No. FAA-2012-0600
Abstract
We are adopting a new airworthiness directive (AD) for Agusta S.p.A. (Agusta) Model AW139 helicopters to determine if the hardware that attaches the upper end of collective control rod C2 to torque tube C3 is properly installed. This AD is prompted by the discovery of an incorrectly-attached collective control rod. These actions are intended to prevent separation of the collective control rod from the torque tube, loss of control of the collective pitch, and subsequent loss of control of the helicopter.