Bombardier (Canadair) CL-600 (Challenger
Bombardier (Canadair) CL-600 (Challenger) Series Aeroplanes
Bombardier (Canadair) CL-600 (Challenger) Series Aeroplanes
| AD/CL-600/85 | Fuselage Frame FS409+128 Bulkhead Web | 9/2007 |
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| Applicability: | Model CL-600-2B19 aircraft, serial numbers 7003 through 7185. |
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| Requirement: | Action in accordance with the requirements of Transport Canada AD CF-97-11R2.Note: Accomplishment of Canadair Service Bulletins SB 601R-53-047 original issue or SB 601R-53-046, or later Transport Canada approved revisions, constitutes terminating action for the inspection requirements of this Directive. |
| Compliance: | As specified in the Requirement document, with a revised effective date of30 August 2007. |
| This Airworthiness Directive becomes effective on 30 August 2007. | |
| Background: | A report was received of a fatigue crack approximately 14-inches in length that had propagated in the pressure bulkhead frame at the forward end of the fuselage wing box cutout. Inspection of additional aircraft revealed cracking in the same location. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
11 July 2007