# Airworthiness Directives; Bombardier, Inc. Airplanes
> **Rule** · Final rule. · Published 2014-02-07 · Effective 2014-03-14 · 79 FR 7382
## Document
- **Document number:** 2014-02468
- **Category:** airworthiness
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 79 FR 7382
- **Publication date:** 2014-02-07
- **Effective date:** 2014-03-14
- **FAA docket:** Docket No. FAA-2012-0997
## Abstract

We are superseding Airworthiness Directive (AD) 2011-03- 13 for certain Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes, Model CL-600-2D15 (Regional Jet Series 705) airplanes, and Model CL-600-2D24 (Regional Jet Series 900) airplanes. AD 2011-03-13 required repetitive inspections of the rudder travel limiter (RTL) return springs and primary actuator, and corrective actions if necessary. This new AD requires replacing certain RTL return springs, including doing related investigative and corrective actions, if necessary; which is terminating action for the repetitive inspections. This new AD also revises the applicability. This AD was prompted by reports of failure of the RTL return spring. We are issuing this AD to prevent failure of the RTL, which would permit an increase of rudder authority beyond normal structural limits and consequently affect the controllability of the airplane.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2014/02/07/2014-02468/airworthiness-directives-bombardier-inc-airplanes)
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