# Airworthiness Directives; Piper Aircraft, Inc. Airplanes
> **Rule** · Final rule; request for comments. · Published 2015-10-14 · Effective 2015-10-29 · 80 FR 61725
## Document
- **Document number:** 2015-25723
- **Category:** airworthiness
- **Manufacturer:** Piper
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 80 FR 61725
- **Publication date:** 2015-10-14
- **Effective date:** 2015-10-29
- **FAA docket:** Docket No. FAA-2015-4085
## Abstract

We are adopting a new airworthiness directive (AD) for certain Piper Aircraft, Inc. Models PA-28-161, PA-28-181, and PA-28R-201 airplanes. This AD requires inspecting the right wing rib at wing station 140.09 for cracks and taking necessary corrective action. This AD was prompted by a report of cracks found in the wing rib bead radius that were formed during production. We are issuing this AD to correct the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2015/10/14/2015-25723/airworthiness-directives-piper-aircraft-inc-airplanes)
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