# Airworthiness Directives; Bombardier, Inc. Model BD-100-1A10 (Challenger 300) Airplanes
> **Rule** · Final rule. · Published 2011-03-31 · Effective 2011-05-05 · 76 FR 17758
## Document
- **Document number:** 2011-7296
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 76 FR 17758
- **Publication date:** 2011-03-31
- **Effective date:** 2011-05-05
- **FAA docket:** Docket No. FAA-2010-1200
## Abstract

We are superseding an existing airworthiness directive (AD) that applies to the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/03/31/2011-7296/airworthiness-directives-bombardier-inc-model-bd-100-1a10-challenger-300-airplanes)
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