# Airworthiness Directives; Sikorsky Aircraft Corporation
> **Rule** · Final rule; request for comments. · Published 2016-12-28 · Effective 2017-01-12 · 81 FR 95425
## Document
- **Document number:** 2016-30282
- **Category:** airworthiness
- **Manufacturer:** Sikorsky
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 81 FR 95425
- **Publication date:** 2016-12-28
- **Effective date:** 2017-01-12
- **FAA docket:** Docket No. FAA-2016-9537
## Abstract

We are publishing a new airworthiness directive (AD) for Sikorsky Aircraft Corporation (Sikorsky) Model S-92A helicopters, which was sent previously to all known U.S. owners and operators of these helicopters. This AD requires inspecting certain bearings. This AD is prompted by a report of a failed bearing. We are issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/12/28/2016-30282/airworthiness-directives-sikorsky-aircraft-corporation)
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