# Airworthiness Directives; Bombardier Model CL-600-2B19 Series Airplanes
> **Rule** · Final rule; request for comments. · Published 2000-09-27 · Effective 2000-10-02 · 65 FR 57944
## Document
- **Document number:** 00-24893
- **Category:** airworthiness
- **Manufacturer:** Bombardier Model CL-600-2B19 Series
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 65 FR 57944
- **Publication date:** 2000-09-27
- **Effective date:** 2000-10-02
- **FAA docket:** Docket No. 2000-NM-312-AD
## Abstract

This amendment adopts a new airworthiness directive (AD) that is applicable to certain Bombardier Model CL-600-2B19 series airplanes. This action requires installation of shields for the aileron quadrants in the wheel bay of the main landing gear (MLG). This action is necessary to prevent the accumulation of water, ice, or slush on the aileron quadrants and control cable pulleys in the wheel bay of the MLG, which could freeze and result in reduced controllability of the airplane. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/09/27/00-24893/airworthiness-directives-bombardier-model-cl-600-2b19-series-airplanes)
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