# Proposed AD 95-SW-23-AD: Robinson Helicopter Company Model R22 Helicopters

- Type: Proposed airworthiness directive (not in force)
- Status: Became AD 96-09-29
- Action: Notice of proposed rulemaking (NPRM).
- Published: November 28, 1995, 60 FR 58578
- Comments due: January 29, 1996
- Became: [AD 96-09-29](https://openairdocs.org/ad/96-09-29)
- Docket: 95-SW-23-AD
- FR document: 95-28396
- Official PDF: https://openairdocs.org/files/sha256/d6/9f/d69f44ac3e96ea2262284f4b4a58f78beafa9125cd57a29eb923b791b682f939 (from https://www.govinfo.gov/content/pkg/FR-1995-11-28/pdf/95-28396.pdf)
- Federal Register: https://www.federalregister.gov/documents/1995/11/28/95-28396/airworthiness-directives-robinson-helicopter-company-model-r22-helicopters
- Page: https://openairdocs.org/proposed/95-SW-23-AD

## Summary

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to Robinson Helicopter Company (Robinson) Model R22 helicopters. This proposal would require replacement of the upper V-belt sheave (sheave). This proposal is prompted by three reports of cracks in the flange of the sheave. The actions specified in this AD are intended to prevent failure of the sheave, which could result in damage to other drive system components, and subsequent loss of control of the helicopter.

## Notices in this docket

- Nov 28, 1995: Notice of proposed rulemaking (NPRM). (first notice), FR document 95-28396, comments due Jan 29, 1996 (https://www.federalregister.gov/documents/1995/11/28/95-28396/airworthiness-directives-robinson-helicopter-company-model-r22-helicopters)

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