# Airworthiness Directives; McDonnell Douglas Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), and MD-88 Airplanes
> **Rule** · Final rule. · Published 2004-06-04 · Effective 2004-07-09 · 69 FR 31514
## Document
- **Document number:** 04-12398
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 69 FR 31514
- **Publication date:** 2004-06-04
- **Effective date:** 2004-07-09
- **FAA docket:** Docket No. 2000-NM-110-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to all McDonnell Douglas Model DC-9-81 (MD-81), DC-9-82 (MD- 82), DC-9-83 (MD-83), DC-9-87 (MD-87), and MD-88 airplanes, that requires implementation of a program of structural inspections of baseline structure to detect and correct fatigue cracking in order to ensure the continued airworthiness of these airplanes as they approach the manufacturer's original fatigue design life goal. This action is necessary to detect and correct fatigue cracking that could compromise the structural integrity of these airplanes. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/06/04/04-12398/airworthiness-directives-mcdonnell-douglas-model-dc-9-81-md-81-dc-9-82-md-82-dc-9-83-md-83-dc-9-87)
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