# Airworthiness Directives; The Boeing Company Airplanes
> **Rule** · Final rule. · Published 2012-12-27 · Effective 2013-01-31 · 77 FR 76230
## Document
- **Document number:** 2012-29999
- **Category:** airworthiness
- **Manufacturer:** The Boeing Company
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 77 FR 76230
- **Publication date:** 2012-12-27
- **Effective date:** 2013-01-31
- **FAA docket:** Docket No. FAA-2011-1222
## Abstract

We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This AD was prompted by reports of escape slides failing to deploy from the forward and aft right-hand doors during scheduled maintenance slide deployments. This AD requires modifying the escape slide. Also, for certain airplanes, this AD requires modifying or replacing the Vespel piston. For certain other airplanes, this AD requires an additional modification of the escape slide. We are issuing this AD to prevent failure of an escape slide to deploy, which could result in the slide being unusable during an emergency evacuation and increased likelihood of injury to passengers or crewmembers due to the difficulty in evacuating the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/12/27/2012-29999/airworthiness-directives-the-boeing-company-airplanes)
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