# Airworthiness Directives; The Boeing Company Airplanes
> **Rule** · Final rule. · Published 2018-02-27 · Effective 2018-04-03 · 83 FR 8325
## Document
- **Document number:** 2018-03600
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 83 FR 8325
- **Publication date:** 2018-02-27
- **Effective date:** 2018-04-03
- **FAA docket:** Docket No. FAA-2017-0766
## Abstract

We are adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This AD was prompted by an evaluation by the design approval holder (DAH) indicating that the gore web lap splices of the aft pressure bulkhead are subject to widespread fatigue damage (WFD). This AD requires repetitive inspections of the gore webs, gore web lap splices, and repair webs, as applicable, of the aft pressure bulkhead, 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/2018/02/27/2018-03600/airworthiness-directives-the-boeing-company-airplanes)
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