# Airworthiness Directives; Dornier Model 328-300 Series Airplanes
> **Rule** · Final rule. · Published 2001-06-27 · Effective 2001-08-01 · 66 FR 34090
## Document
- **Document number:** 01-15935
- **Category:** airworthiness
- **Manufacturer:** Dornier Model 328-300 Series
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 66 FR 34090
- **Publication date:** 2001-06-27
- **Effective date:** 2001-08-01
- **FAA docket:** Docket No. 2000-NM-339-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain Dornier Model 328-300 series airplanes, that requires replacing the brake assemblies with modified brake assemblies. The actions specified by this AD are intended to prevent overheating of the brakes, which could result in cracked pistons and consequent leakage and burning of the hydraulic fluid. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/06/27/01-15935/airworthiness-directives-dornier-model-328-300-series-airplanes)
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