Summary
The FAA is adopting a new airworthiness directive (AD) for Bell Helicopter Textron Canada Limited (BHTC) Model 427 helicopters. This AD requires inspecting the inboard skin of the vertical fin around the four tailboom attachment points. This AD was prompted by reports of cracked vertical fin skins that resulted from metal fatigue. The actions of this AD are intended to prevent an unsafe condition on these products.
Directive Details
AD Number
FAA-2017-1105
Document Number
2019-26298
Type
Rule
Publication Date
December 6, 2019
Effective Date
January 10, 2020
Affected Manufacturer
Bell Helicopter Textron Canada Limited
Criticality
routine
Emergency
No
Docket ID
Docket No. FAA-2017-1105
Topics
Official Documents
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