# Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440) Airplanes
> **Rule** · Final rule. · Published 2003-07-10 · Effective 2003-08-14 · 68 FR 41059
## Document
- **Document number:** 03-17312
- **Category:** airworthiness
- **Manufacturer:** Bombardier Model CL-600-2B19 (Regional Jet Series 100 & 440)
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 68 FR 41059
- **Publication date:** 2003-07-10
- **Effective date:** 2003-08-14
- **FAA docket:** Docket No. 2001-NM-322-AD
## Abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain Bombardier Model CL-600-2B19 (Regional Jet series 100 & 400) airplanes, that requires a one-time inspection of the aft edge of the left and right main windshields to determine whether a certain placard is installed, and corrective actions if necessary. This action is necessary to prevent stress-related cracking of the windshields, and subsequent excessive frequency of abnormal procedures specified in the airplane flight manual and/or an emergency descent be accomplished, which poses an increased risk to passengers and crew members. This action is intended to address the identified unsafe condition.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/07/10/03-17312/airworthiness-directives-bombardier-model-cl-600-2b19-regional-jet-series-100-and-440-airplanes)
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