# Airworthiness Directives; Bombardier, Inc. Airplanes
> **Rule** · Final rule; request for comments. · Published 2013-10-03 · Effective 2013-10-18 · 78 FR 61177
## Document
- **Document number:** 2013-23890
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule; request for comments.
- **Citation:** 78 FR 61177
- **Publication date:** 2013-10-03
- **Effective date:** 2013-10-18
- **FAA docket:** Docket No. FAA-2013-0833
## Abstract

We are adopting a new airworthiness directive (AD) for certain Bombardier, Inc. Model CL-215-6B11 (CL-415 Variant) airplanes. This AD requires replacing the panel assembly of the main distribution center (MDC) rack. This AD was prompted by findings of chafed power wires due to flexing of the MDC rack panel. We are issuing this AD to prevent damage to power wires, which could cause simultaneous loss of systems such as electrical power, pilot indications, and caution/advisory lighting systems, which are essential for safe flight.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/10/03/2013-23890/airworthiness-directives-bombardier-inc-airplanes)
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