# Airworthiness Directives; The Boeing Company Airplanes
> **Rule** · Final rule; request for comments. · Published 2019-12-30 · Effective 2020-01-14 · 84 FR 71792
## Document
- **Document number:** 2019-28070
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 84 FR 71792
- **Publication date:** 2019-12-30
- **Effective date:** 2020-01-14
- **FAA docket:** Docket No. FAA-2019-0980
## Abstract

The FAA is adopting an airworthiness directive (AD) for certain The Boeing Company Model 737-900ER series airplanes. This AD requires replacement of nonconforming head strike pads with conforming head strike pads. This AD was prompted by a report of nonconforming head strike pads on the left and right mid exit doors. The FAA is issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2019/12/30/2019-28070/airworthiness-directives-the-boeing-company-airplanes)
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