# Airworthiness Directives; B-N Group Ltd. BN-2, BN-2A, BN-2B, BN-2T, and BN-2T-4R Series (All Individual Models Included in Type Certificate Data Sheet (TCDS) A17EU, Revision 16, Dated December 9, 2002), and BN-2A-Mklll Trislander Series (All Individual Models Included in Type Certificate Data Sheet (TCDS) A29EU, Revision 4, Dated December 9, 2002) Airplanes
> **Rule** · Final rule. · Published 2007-03-16 · Effective 2007-04-20 · 72 FR 12557
## Document
- **Document number:** E7-4729
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 72 FR 12557
- **Publication date:** 2007-03-16
- **Effective date:** 2007-04-20
- **FAA docket:** Docket No. FAA-2006-26401
## Abstract

We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued 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/2007/03/16/E7-4729/airworthiness-directives-b-n-group-ltd-bn-2-bn-2a-bn-2b-bn-2t-and-bn-2t-4r-series-all-individual)
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