# Airworthiness Directives; Boeing Model 767 Series Airplanes
> **Rule** · Final rule. · Published 2000-04-10 · Effective 2000-05-15 · 65 FR 18883
## Document
- **Document number:** 00-8518
- **Category:** airworthiness
- **Manufacturer:** Boeing Model 767 Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 65 FR 18883
- **Publication date:** 2000-04-10
- **Effective date:** 2000-05-15
- **FAA docket:** Docket No. 99-NM-72-AD
## Abstract

This amendment supersedes an existing airworthiness directive (AD), applicable to certain Boeing Model 767 series airplanes, that currently requires repetitive inspections to detect cracking or damage of the forward and aft lugs of the diagonal brace of the nacelle strut, and follow-on actions, if necessary. That AD also provides optional terminating action for the repetitive inspections. This amendment requires accomplishment of the previously optional terminating action. This amendment is prompted by a report that a fractured diagonal brace lug was found during a routine maintenance inspection. The actions specified by this AD are intended to prevent cracking of the diagonal brace of the nacelle strut, which could result in failure of the diagonal brace, and consequent fatigue failure of a strut secondary load path and separation of the engine and strut.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/04/10/00-8518/airworthiness-directives-boeing-model-767-series-airplanes)
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