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routineRule

AD FAA-2020-0171

Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters

Summary

The FAA is adopting a new airworthiness directive (AD) for Bell Textron Inc. (Bell) Model 214ST helicopters. This AD was prompted by the discovery of bolts with nonconforming external thread root radii. This AD requires removing the affected bolts from service and prohibits installing an affected bolt on any helicopter. The FAA is issuing this AD to address the unsafe condition on these products.

Directive Details

AD Number

FAA-2020-0171

Document Number

2020-14210

Type

Rule

Publication Date

July 7, 2020

Effective Date

August 11, 2020

Affected Manufacturer

Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.)

Criticality

routine

Emergency

No

Docket ID

Docket No. FAA-2020-0171

Topics

Air transportationAircraftAviation safetyIncorporation by referenceSafety

Official Documents

View PDFView on Federal Register
View all ADs for Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.)→

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