Bombardier (Boeing Canada/De Havilland)
Bombardier (Boeing Canada/De Havilland) DHC-8 Series Aeroplanes
Bombardier (Boeing Canada/De Havilland) DHC-8 Series Aeroplanes
| AD/DHC-8/124 | Airworthiness Limitation Items | 8/2006 |
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| Applicability: | DHC-8 Aircraft, Models 400, 401, and 402; with serial numbers 4001, 4003, 4004, 4006, and 4008 through 4126. |
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| Requirement: | Action in accordance with the requirements of Transport Canada AD CF-2006-10.Note: Temporary Revisions, ALI-53 and ALI-54 of Airworthiness Limitation Items of the DHC-8-400 Maintenance Requirements Manual, PSM 1-84-7, refer. |
| Compliance: | Within 60 days after 3 August 2006, unless already accomplished. |
| This Airworthiness Directive becomes effective on 3 August 2006. | |
| Background: | A revision has been made to the DHC-8-400 Maintenance Requirements Manual, Airworthiness Limitations Items (ALI). This revision incorporates additional inspection requirements for principal structural elements (PSE) related to fuselage cutouts and revises an existing ALI task on the aft entry door with a lower threshold inspection. The actions required by this Directive are to ensure that fatigue cracking of these components will be detected and corrected before possible fatigue failure. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
21 June 2006