# Airworthiness Directives; Bombardier Model CL-600-2B16 (CL-604) Series Airplanes
> **Rule** · Final rule; request for comments. · Published 2000-11-14 · Effective 2000-11-29 · 65 FR 68072
## Document
- **Document number:** 00-28830
- **Category:** airworthiness
- **Manufacturer:** Bombardier Model CL-600-2B16 (CL-604) Series
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 65 FR 68072
- **Publication date:** 2000-11-14
- **Effective date:** 2000-11-29
- **FAA docket:** Docket No. 2000-NM-315-AD
## Abstract

This amendment adopts a new airworthiness directive (AD) that is applicable to certain Bombardier Model CL-600-2B16 (CL-604) series airplanes. This action requires, among other actions, a general visual inspection to detect gaps between the vane bracket(s) and the adjacent skin; corrective actions, if necessary; and replacement of the six flap vane actuator beams with new beams. This action is necessary to detect and correct corrosion of the inboard flap actuator beam assembly and gaps between the vane brackets and adjacent skin, which could compromise the structural integrity of the flap systems and reduce the controllability of the airplane in the event that a flap vane actuator or a flap vane bracket fails during flight. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2000/11/14/00-28830/airworthiness-directives-bombardier-model-cl-600-2b16-cl-604-series-airplanes)
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