# Airworthiness Directives; The Boeing Company Airplanes
> **Rule** · Final rule. · Published 2018-10-16 · Effective 2018-11-20 · 83 FR 52135
## Document
- **Document number:** 2018-21965
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 83 FR 52135
- **Publication date:** 2018-10-16
- **Effective date:** 2018-11-20
- **FAA docket:** Docket No. FAA-2018-0415
## Abstract

We are adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-100, -200, -200C, -300, -400, -500 series airplanes. This AD was prompted by the results of a fleet survey that revealed cracking in the bulkhead frame web at a certain body station. This AD requires repetitive inspections of the bulkhead frame web at a certain station, 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/2018/10/16/2018-21965/airworthiness-directives-the-boeing-company-airplanes)
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