# Airworthiness Directives; Bombardier, Inc. Airplanes
> **Rule** · Final rule. · Published 2016-08-31 · Effective 2016-10-05 · 81 FR 59839
## Document
- **Document number:** 2016-20707
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 81 FR 59839
- **Publication date:** 2016-08-31
- **Effective date:** 2016-10-05
- **FAA docket:** Docket No. FAA-2012-1075
## Abstract

We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes. This AD was prompted by the need for more stringent inspection requirements for certain affected components. This AD requires revising the maintenance or inspection program to incorporate certain revised airworthiness limitations (AWL) and require repairs of affected components. We are issuing this AD to detect and correct fatigue cracking in the affected components; such cracking could result in loss of structural integrity.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/08/31/2016-20707/airworthiness-directives-bombardier-inc-airplanes)
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