# Airworthiness Directives; BFGoodrich Main Brake Assemblies as Installed on Airbus Model A319 and A320 Series Airplanes
> **Rule** · Final rule; request for comments. · Published 2000-07-21 · Effective 2000-08-07 · 65 FR 45277
## Document
- **Document number:** 00-18281
- **Category:** airworthiness
- **Manufacturer:** BFGoodrich Main Brake Assemblies as Installed on Airbus Model A319 and A320 Series
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 65 FR 45277
- **Publication date:** 2000-07-21
- **Effective date:** 2000-08-07
- **FAA docket:** Docket No. 2000-NM-210-AD
## Abstract

This amendment adopts a new airworthiness directive (AD) that is applicable to certain BFGoodrich main brake assemblies as installed on Airbus Model A319 and A320 series airplanes. This action requires repetitive inspections to determine the length of the wear indicator pins of the main brake assemblies of the main landing gear (MLG); follow-on inspections; and corrective actions, if necessary. This amendment is prompted by reports from several operators that severe oxidation was found on the rotor disk assemblies of the main brake assemblies. This action is necessary to detect and correct thermal oxidation of the main brake assemblies, which could result in deterioration of the MLG brakes, and consequent reduced braking performance.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/07/21/00-18281/airworthiness-directives-bfgoodrich-main-brake-assemblies-as-installed-on-airbus-model-a319-and-a320)
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