# Airworthiness Directives; The Boeing Company Airplanes
> **Rule** · Final rule. · Published 2017-08-01 · Effective 2017-09-05 · 82 FR 35628
## Document
- **Document number:** 2017-15477
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 82 FR 35628
- **Publication date:** 2017-08-01
- **Effective date:** 2017-09-05
- **FAA docket:** Docket No. FAA-2017-0330
## Abstract

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-300, -400, and -500 series airplanes. This AD was prompted by an evaluation by the design approval holder (DAH) indicating that the lower skin at the skin lap splice lower fastener row is subject to widespread fatigue damage (WFD). This AD requires repetitive inspections for cracking in the skin lap splice at the lower fastener row, and repair if necessary. We are issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/08/01/2017-15477/airworthiness-directives-the-boeing-company-airplanes)
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