# Airworthiness Directives; Agusta S.p.A. Helicopters
> **Rule** · Final rule; request for comments. · Published 2018-01-30 · Effective 2018-02-14 · 83 FR 4136
## Document
- **Document number:** 2018-01573
- **Category:** airworthiness
- **Manufacturer:** Agusta S.p.A.
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 83 FR 4136
- **Publication date:** 2018-01-30
- **Effective date:** 2018-02-14
- **FAA docket:** Docket No. FAA-2017-0939
## Abstract

We are adopting a new airworthiness directive (AD) for Agusta S.p.A. (Agusta) Model AB139 and AW139 helicopters. This AD requires inspecting the main rotor blade (MRB) tip cap for disbonding. This AD is prompted by a report of the in-flight loss of an MRB tip cap. The actions of this AD are intended to prevent an unsafe condition on these helicopters.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/01/30/2018-01573/airworthiness-directives-agusta-spa-helicopters)
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