# Airworthiness Directives; Boeing Model 767 Series Airplanes Powered by General Electric or Pratt & Whitney Engines
> **Rule** · Final rule. · Published 2001-04-10 · Effective 2001-05-15 · 66 FR 18523
## Document
- **Document number:** 01-8612
- **Category:** airworthiness
- **Manufacturer:** Boeing Model 767 Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 66 FR 18523
- **Publication date:** 2001-04-10
- **Effective date:** 2001-05-15
- **FAA docket:** Docket No. 2000-NM-157-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 767 series airplanes powered by General Electric or Pratt & Whitney engines, that requires repetitive inspections to detect discrepancies of the aft-most fastener holes in the horizontal tangs of the midspar fitting of the strut, and corrective actions, if necessary. This AD also provides an optional terminating action for the repetitive inspections. These actions are necessary to prevent fatigue cracking in primary strut structure and reduced structural integrity of the strut, which could result in separation of the strut and engine. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/04/10/01-8612/airworthiness-directives-boeing-model-767-series-airplanes-powered-by-general-electric-or-pratt-and)
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