# Airworthiness Directives; The Boeing Company Airplanes
> **Rule** · Final rule. · Published 2016-05-16 · Effective 2016-06-20 · 81 FR 30166
## Document
- **Document number:** 2016-11200
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 81 FR 30166
- **Publication date:** 2016-05-16
- **Effective date:** 2016-06-20
- **FAA docket:** Docket No. FAA-2015-2462
## Abstract

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 series airplanes. This AD was prompted by reports of cracked antenna support channels, skin cracking underneath the number 2 very high frequency (VHF) antenna, and cracking in the frames attached to the internal support structure. This AD requires repetitive inspections to determine the condition of the skin and the internal support structure, and follow-on actions including corrective action as necessary. We are issuing this AD to detect and correct skin cracking of the fuselage. Such cracking could result in separation of the number 2 VHF antenna from the airplane and rapid depressurization of the cabin.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/05/16/2016-11200/airworthiness-directives-the-boeing-company-airplanes)
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