# Airworthiness Directives; The Boeing Company Airplanes
> **Rule** · Final rule. · Published 2017-06-22 · Effective 2017-07-27 · 82 FR 28393
## Document
- **Document number:** 2017-12631
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 82 FR 28393
- **Publication date:** 2017-06-22
- **Effective date:** 2017-07-27
- **FAA docket:** Docket No. FAA-2016-9391
## Abstract

We are adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-300, -400, and -500 series airplanes. This AD was prompted by a report of a crack in a certain body station (BS) frame inboard chord during supplemental structural inspection document (SSID) inspections. This AD requires repetitive detailed and high frequency eddy current (HFEC) inspections for any crack at the frame inboard chords, 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/2017/06/22/2017-12631/airworthiness-directives-the-boeing-company-airplanes)
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