# Airworthiness Directives; The Boeing Company Airplanes
> **Rule** · Final rule. · Published 2018-08-30 · Effective 2018-10-04 · 83 FR 44199
## Document
- **Document number:** 2018-18658
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 83 FR 44199
- **Publication date:** 2018-08-30
- **Effective date:** 2018-10-04
- **FAA docket:** Docket No. FAA-2018-0272
## 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 a report indicating that during a fleet survey on a retired Model 737 airplane, cracking was found common to the number 3 windshield assembly, aft sill web. This AD requires, at certain locations, repetitive high frequency eddy current (HFEC) inspections of the number 3 windshield assembly, aft sill web; 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/2018/08/30/2018-18658/airworthiness-directives-the-boeing-company-airplanes)
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