# Airworthiness Directives; Piper Aircraft, Inc. Airplanes
> **Rule** · Final rule; request for comments. · Published 2017-08-09 · Effective 2017-08-09 · 82 FR 37172
## Document
- **Document number:** 2017-16437
- **Category:** airworthiness
- **Manufacturer:** Piper
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 82 FR 37172
- **Publication date:** 2017-08-09
- **Effective date:** 2017-08-09
- **FAA docket:** Docket No. FAA-2017-0759
## Abstract

We are adopting a new airworthiness directive (AD) for certain Piper Aircraft, Inc. (Piper) Model PA-46-600TP (M600) airplanes. This AD requires inspection of the aft wing spars with repair as necessary. This AD was prompted by a report from Piper of the aft wing spar cracking during wing assembly. We are issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2017/08/09/2017-16437/airworthiness-directives-piper-aircraft-inc-airplanes)
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