# Airworthiness Directives; Robert E. Rust, Jr. Model DeHavilland DH.C1 Chipmunk 21, DH.C1 Chipmunk 22, and DH.C1 Chipmunk 22A Airplanes
> **Rule** · Final rule; correction. · Published 2010-09-23 · Effective 2010-10-07 · 75 FR 57846
## Document
- **Document number:** 2010-23745
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule; correction.
- **Citation:** 75 FR 57846
- **Publication date:** 2010-09-23
- **Effective date:** 2010-10-07
- **FAA docket:** Docket No. FAA-2010-0632
## Abstract

The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. That AD applies to the products listed above. The AD number in the 14 CFR Part 39 section and the Sec. 39.13 [Amended] section is incorrect. This document corrects that error. In all other respects, the original document remains the same.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2010/09/23/2010-23745/airworthiness-directives-robert-e-rust-jr-model-dehavilland-dhc1-chipmunk-21-dhc1-chipmunk-22-and)
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