Summary
The FAA is adopting a new airworthiness directive (AD) for Robinson Helicopter Company (Robinson) Model R66 helicopters. This AD was prompted by reports of tail rotor (T/R) drive shaft forward hanger bearing failures. This AD requires installing a certain part numbered kit and removing parts from service or replacing a certain part- numbered T/R drive shaft assembly. This AD also prohibits the installation of certain parts. The FAA is issuing this AD to address the unsafe condition on these products.
Directive Details
AD Number
FAA-2017-0682
Document Number
2021-03656
Type
Rule
Publication Date
March 8, 2021
Effective Date
April 12, 2021
Affected Manufacturer
Robinson Helicopter Company
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2017-0682
Topics
Official Documents
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