# Airworthiness Directives; Boeing Model 707 Series Airplanes
> **Rule** · Final rule. · Published 2001-02-15 · Effective 2001-03-22 · 66 FR 10359
## Document
- **Document number:** 01-3695
- **Category:** airworthiness
- **Manufacturer:** Boeing Model 707 Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 66 FR 10359
- **Publication date:** 2001-02-15
- **Effective date:** 2001-03-22
- **FAA docket:** Docket No. 2000-NM-279-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 707 series airplanes, that requires modification of certain areas of the upper skin of the wing. This amendment is necessary to prevent cracking of the upper skin of the wing, which could result in reduced structural integrity of the wing. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/02/15/01-3695/airworthiness-directives-boeing-model-707-series-airplanes)
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