# Airworthiness Directives; McDonnell Douglas Model MD-11 and -11F Airplanes
> **Rule** · Final rule. · Published 2003-11-03 · Effective 2003-12-08 · 68 FR 62231
## Document
- **Document number:** 03-27320
- **Category:** airworthiness
- **Manufacturer:** McDonnell Douglas Model MD-11 and -11F
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 68 FR 62231
- **Publication date:** 2003-11-03
- **Effective date:** 2003-12-08
- **FAA docket:** Docket No. 2002-NM-06-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain McDonnell Douglas Model MD-11 and -11F airplanes, that requires a one-time inspection of the barrel nut holes of the upper spar caps and skin panel of the horizontal stabilizer for corrosion, and follow-on and corrective actions if necessary. This action is necessary to prevent such corrosion, which could result in structural damage and consequent reduced controllability of the airplane. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/11/03/03-27320/airworthiness-directives-mcdonnell-douglas-model-md-11-and--11f-airplanes)
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