# Airworthiness Directives; McDonnell Douglas Corporation Model DC-9-10 Series Airplanes, DC-9-30 Series Airplanes, DC-9-81 (MD-81) Airplanes, DC-9-82 (MD-82) Airplanes, DC-9-83 (MD-83) Airplanes, DC-9-87 (MD-87) Airplanes, MD-88 Airplanes, and MD-90-30 Airplanes
> **Rule** · Final rule; request for comments. · Published 2010-07-01 · Effective 2010-07-06 · 75 FR 38017
## Document
- **Document number:** 2010-15656
- **Category:** airworthiness
- **Manufacturer:** McDonnell Douglas Corporation Model DC-9-10 Series
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 75 FR 38017
- **Publication date:** 2010-07-01
- **Effective date:** 2010-07-06
- **FAA docket:** Docket No. FAA-2010-0637
## Abstract

This document publishes in the Federal Register an amendment adopting airworthiness directive (AD) 2009-15-16 that was sent previously to all known U.S. owners and operators of the McDonnell Douglas Corporation airplanes identified above by individual notices. This AD requires modifying the flight deck door. This AD is prompted by a report indicating that certain equipment of the flight deck door is defective. We are issuing this AD to prevent failure of this equipment, which could jeopardize flight safety.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/07/01/2010-15656/airworthiness-directives-mcdonnell-douglas-corporation-model-dc-9-10-series-airplanes-dc-9-30-series)
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