Bombardier (Boeing Canada/De Havilland) DHC-8 Series Aeroplanes
Bombardier (Boeing Canada/De Havilland) DHC-8 Series Aeroplanes
| AD/DHC-8/152 | Series 400 Door Stops | 12/2009 |
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| Applicability: | Bombardier Inc. Models DHC-8-400, DHC-8-401 and DHC-8-402 with Serial Numbers 4002 and subsequent. |
|---|---|
| Requirement: | Revise the Transport Canada-approved maintenance schedule and the DHC-8-Q400 Maintenance Requirements Manual in accordance with Transport Canada ADCF-2001-23. |
| Compliance: | Within 30 days after the effective date of this Directive. |
| This Airworthiness Directive becomes effective on 19 November 2009. | |
| Background: | During structural fatigue tests, failures of the door stops were discovered at the aft passenger entry door and the aft baggage door. The door stops are principal structural elements. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
27 September 2009