Airworthiness Directives; Textron Aviation Inc. Airplanes
airworthiness · Rule · Final rule; request for comments. · Published 2018-02-13 · Effective 2018-02-28 · 83 FR 6114
Document
Document number
2018-02551
Federal Register citation
83 FR 6114
Type
Rule
Action
Final rule; request for comments.
Category
airworthiness
Manufacturer
Textron Aviation Inc.
Publication date
2018-02-13
Effective date
2018-02-28
FAA docket
Docket No. FAA-2018-0068
Abstract
We are adopting a new airworthiness directive (AD) for certain Textron Aviation Inc. Models 401, 401A, 401B, 402, 402A, 402B, 402C, 411, 411A, 414, 414A 421, 421A, 421B, 421C, and 425 airplanes. This AD requires repetitively inspecting the left and the right forward lower carry through spar cap for cracks and replacing the carry through spar if cracks are found. This AD was prompted by a report of a fully cracked lower forward carry through spar cap found on an affected airplane. We are issuing this AD to address the unsafe condition on these products.