# Airworthiness Directives; The Boeing Company Airplanes
> **Rule** · Final rule. · Published 2019-03-04 · Effective 2019-04-08 · 84 FR 7264
## Document
- **Document number:** 2019-03407
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 84 FR 7264
- **Publication date:** 2019-03-04
- **Effective date:** 2019-04-08
- **FAA docket:** Docket No. FAA-2018-0959
## Abstract

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-400 series airplanes. This AD was prompted by reports of cracking in the splice plate on the lower sill of the overwing emergency exit doors. This AD requires repetitive inspections for such cracking and applicable on-condition actions. We are issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2019/03/04/2019-03407/airworthiness-directives-the-boeing-company-airplanes)
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