# Airworthiness Directives: Rolls-Royce Corporation (formerly Allison Engine Company) 250-C20 Series Turboshaft and 250-B17 Series Turboprop Engines, Correction
> **Rule** · Final rule; correction. · Published 2001-12-26 · 66 FR 66296
## Document
- **Document number:** 01-31327
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule; correction.
- **Citation:** 66 FR 66296
- **Publication date:** 2001-12-26
- **FAA docket:** Docket No. 2001-NE-38-AD
## Abstract

This document makes a correction to Airworthiness Directive (AD) 2001-24-12 applicable to Rolls-Royce Corporation (formerly Allison Engine Company) 250-C20 series turboshaft and 250-B17 series turboprop engines, that was published in the Federal Register on December 4, 2001 (66 FR 62915). The AD number being superseded was inadvertently omitted under the PART 39--AIRWORTHINESS DIRECTIVES amendatory instruction 2 in the heading of the AD. This document corrects that omission. In all other respects, the original document remains the same.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/12/26/01-31327/airworthiness-directives-rolls-royce-corporation-formerly-allison-engine-company-250-c20-series)
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