# Airworthiness Directives; Dornier Model 328-300 Series Airplanes
> **Rule** · Final rule. · Published 2005-03-14 · Effective 2005-04-18 · 70 FR 12406
## Document
- **Document number:** 05-4413
- **Category:** airworthiness
- **Manufacturer:** Dornier Model 328-300 Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 70 FR 12406
- **Publication date:** 2005-03-14
- **Effective date:** 2005-04-18
- **FAA docket:** Docket No. FAA-2004-19568
## Abstract

The FAA is adopting a new airworthiness directive (AD) for certain Dornier Model 328-300 series airplanes. This AD requires performing repetitive inspections for discrepancies of the heat pack rotor assembly and rotor drive clips of the brake unit of the main landing gear (MLG), and replacing the assembly if any discrepancy is found. This AD is prompted by reports of cracking and breakage of the heat pack rotor assemblies. We are issuing this AD to find and fix discrepancies of the heat pack rotor assembly of the brake unit of the MLG and consequent loss of braking capability, which could result in the airplane overrunning the runway during take-off or landing.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/03/14/05-4413/airworthiness-directives-dornier-model-328-300-series-airplanes)
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