# Airworthiness Directives; FS 2001 Corp, FS 2002 Corporation, FS 2003 Corporation, Piper, and Piper Aircraft, Inc. Airplanes
> **Rule** · Final rule. · Published 2025-02-13 · Effective 2025-03-20 · 90 FR 9507
## Document
- **Document number:** 2025-02528
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 90 FR 9507
- **Publication date:** 2025-02-13
- **Effective date:** 2025-03-20
- **FAA docket:** Docket No. FAA-2023-1893
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain FS 2001 Corp, FS 2002 Corporation, FS 2003 Corporation, Piper, and Piper Aircraft, Inc. (Piper) airplanes. This AD was prompted by reports of broken rudders. This AD requires replacing any rudder equipped with a rudder post made from a certain carbon steel with a rudder equipped with a rudder post made from a certain low-alloy steel. The FAA is issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/02/13/2025-02528/airworthiness-directives-fs-2001-corp-fs-2002-corporation-fs-2003-corporation-piper-and-piper)
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