# Airworthiness Directives; Boeing Model 757-200, -200PF, and -200CB Series Airplanes Powered by Rolls-Royce RB211-535C/E4/E4B Turbofan Engines
> **Rule** · Final rule; request for comments. · Published 2000-03-07 · Effective 2000-03-22 · 65 FR 11861
## Document
- **Document number:** 00-5459
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 65 FR 11861
- **Publication date:** 2000-03-07
- **Effective date:** 2000-03-22
- **FAA docket:** Docket No. 2000-NM-67-AD
## Abstract

This amendment supersedes an existing airworthiness directive (AD), applicable to certain Boeing Model 757-200, -200PF, and -200CB series airplanes, that currently requires repetitive inspections of the engine thrust control cable system to detect discrepancies of the wire rope, fittings, and pulleys; and replacement, if necessary. That AD also requires a one-time inspection to determine the part number of certain pulleys, and replacement of existing pulleys with new pulleys, if necessary; and modification of the engine thrust control cable installation. This new action corrects a certain part number. This AD is prompted by reports of failure of certain engine thrust control cables. The actions specified by this AD are intended to prevent failure of certain engine thrust control cables, which could result in a severe asymmetric thrust condition during landing, and consequent reduced controllability of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/03/07/00-5459/airworthiness-directives-boeing-model-757-200--200pf-and--200cb-series-airplanes-powered-by)
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