# Technical Amendment; Airworthiness Standards-Aircraft Engines
> **Rule** · Final rule; technical amendment. · Published 2012-04-13 · Effective 2012-04-13 · 77 FR 22187
## Document
- **Document number:** 2012-8984
- **Category:** other
- **Type:** Rule
- **Action:** Final rule; technical amendment.
- **Citation:** 77 FR 22187
- **Publication date:** 2012-04-13
- **Effective date:** 2012-04-13
- **FAA docket:** Amendment No. 33-32
## Abstract

This amendment corrects a number of errors in the airworthiness standards for aircraft engine endurance tests. None of the changes are substantive in nature, and none will impose any additional burden on any person.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/04/13/2012-8984/technical-amendment-airworthiness-standards-aircraft-engines)
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