# Airworthiness Directives; Piper Aircraft, Inc.
> **Rule** · Final rule; request for comments. · Published 2018-07-10 · Effective 2018-07-25 · 83 FR 31850
## Document
- **Document number:** 2018-14080
- **Category:** airworthiness
- **Manufacturer:** Piper
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 83 FR 31850
- **Publication date:** 2018-07-10
- **Effective date:** 2018-07-25
- **FAA docket:** Docket No. FAA-2018-0606
## Abstract

We are adopting a new airworthiness directive (AD) for certain Piper Aircraft, Inc. (Piper) Models PA-46-600TP (M600) airplanes. This AD requires inserting temporary airspeed limitations into the pilot's operating handbook, installing a temporary placard, inspecting rivets on the cockpit canopy above the left and right cockpit side windows, and installing a repair kit based on the findings of the rivet inspection. This AD was prompted by a report of undersized fasteners installed during manufacturing. We are issuing this AD to address the unsafe condition on these products.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/07/10/2018-14080/airworthiness-directives-piper-aircraft-inc)
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