# Airworthiness Directives; Saab AB, Saab Aeronautics (Formerly Known as Saab AB, Saab Aerosystems) Airplanes
> **Rule** · Final rule. · Published 2017-08-28 · Effective 2017-10-02 · 82 FR 40688
## Document
- **Document number:** 2017-17589
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 82 FR 40688
- **Publication date:** 2017-08-28
- **Effective date:** 2017-10-02
- **FAA docket:** Docket No. FAA-2017-0479
## Abstract

We are adopting a new airworthiness directive (AD) for certain Saab AB, Saab Aeronautics Model 340A (SAAB/SF340A) airplanes. This AD was prompted by the discovery of circuit breakers of unsuitable strength that fail to protect the system from an overcurrent. This AD requires replacing certain circuit breakers. We are issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/08/28/2017-17589/airworthiness-directives-saab-ab-saab-aeronautics-formerly-known-as-saab-ab-saab-aerosystems)
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