# Airworthiness Directives; McDonnell Douglas Model MD-11 and -11F Airplanes
> **Rule** · Final rule. · Published 2007-03-28 · Effective 2007-05-02 · 72 FR 14393
## Document
- **Document number:** E7-5554
- **Category:** airworthiness
- **Manufacturer:** McDonnell Douglas Model MD-11 and -11F
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 72 FR 14393
- **Publication date:** 2007-03-28
- **Effective date:** 2007-05-02
- **FAA docket:** Docket No. FAA-2006-25850
## Abstract

The FAA is adopting a new airworthiness directive (AD) for all McDonnell Douglas Model MD-11 and -11F airplanes. This AD requires revising the maintenance inspection program that provides for inspection of principal structural elements (PSEs) and replacement of safe-life parts, to incorporate a new revision to the MD-11 Airworthiness Limitations Instructions. The revision reduces inspection intervals for fatigue cracking of certain PSEs, and expands the inspection area for a certain other PSE. This AD results from a revised damage tolerance analysis. We are issuing this AD to detect and correct fatigue cracking of certain PSEs, which could adversely affect the structural integrity of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/03/28/E7-5554/airworthiness-directives-mcdonnell-douglas-model-md-11-and--11f-airplanes)
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