Bombardier (Canadair) CL-600 (Challenger
Bombardier (Canadair) CL-600 (Challenger) Series Aeroplanes
Bombardier (Canadair) CL-600 (Challenger) Series Aeroplanes
| AD/CL-600/42 Amdt 1 | Lower Wing Plank | 9/2007 |
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| Applicability: | Model CL-600-2B19 aircraft, serial numbers 7003 through 7869. |
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| Requirement: | Action in accordance with the Requirements of Transport Canada AD CF-2001-15R1.Note: Incorporation of the modification in accordance with Bombardier Service Bulletin 601R-57-037 Revision B, or later Transport Canada approved revision, constitutes terminating action to the inspection requirements of this Directive. |
| Compliance: | As specified in the Requirement document, with a revised effective date of30 August 2007. |
| This Amendment becomes effective on 30 August 2007. | |
| Background: | Cracks on the left and right hand sides of the lower wing plank at wing station 148 have been discovered on a number of in-service aircraft. Failure of the lower wing plank would compromise the structural integrity of the wing.Amendment 1 is issued in response to a revision of the related Transport Canada AD, which introduces a terminating modification to the AD repetitive inspection requirements. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
11 July 2007