# Airworthiness Directives; MD Helicopters, Inc. Model 600N Helicopters
> **Rule** · Final rule; correction. · Published 2008-11-28 · Effective 2008-10-27 · 73 FR 72316
## Document
- **Document number:** E8-28108
- **Category:** airworthiness
- **Manufacturer:** MD
- **Type:** Rule
- **Action:** Final rule; correction.
- **Citation:** 73 FR 72316
- **Publication date:** 2008-11-28
- **Effective date:** 2008-10-27
- **FAA docket:** Docket No. FAA-2008-0835
## Abstract

This document corrects airworthiness directive (AD) 2008-20-05 which was published on October 10, 2008 (73 FR 60102) and applies to MD Helicopters, Inc. (MDHI) Model 600N helicopters. AD 2008-20-05 requires modifying the fuselage aft section, repetitively inspecting the tailboom attachment fittings, installing inspection holes and attachment bolt washers, modifying both access covers, and replacing broken attachment bolts. This document corrects the AD number that is incorrectly listed as 2008-20-08 on page 60104 of the AD.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/11/28/E8-28108/airworthiness-directives-md-helicopters-inc-model-600n-helicopters)
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