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AD/CL-600/68 - Aileron Power Control Unit Links
Bombardier (Canadair) CL-600 (ChallengerBombardier (Canadair) CL-600 (Challenger) Series Aeroplanes
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Bombardier (Canadair) CL-600 (Challenger) Series Aeroplanes
| AD/CL-600/68 | Aileron Power Control Unit Links | 10/2005 |
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| Applicability: | Bombardier CL-600-2C10, serial numbers 10003 and subsequent.Bombardier CL-600-2D15 and CL-600-2D24, serial numbers 15001 and subsequent. |
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| Requirement: | 1. Accomplish the following in accordance with Bombardier ASB A670BA-27-023, Revision A, dated 18 May 2005, or later Transport Canada approved revisions:(a) Conduct a detailed visual inspection of the four aileron PCU output links for fractures/cracks and replace any fractured/cracked links prior to further flight;(b) As part of the replacement of any fractured/cracked link, perform the following checks:(i) Measure the torque value of the forward and aft attachment bolts for both the damaged PCU output link and the adjacent PCU output link;(ii) For any damaged link, check for and if required, measure, any mismatch between PCU output link and the aileron lugs;(iii) For any damaged link, perform an eddy current inspection of the aileron lugs and the flange bushings of the aileron lug; and if crack found or suspected, contact the Technical Help Desk, Bombardier Aerospace for instructions; and(iv) Record the information requested in Appendix A of the above mentioned Bombardier ASB.Note 1: Inspections and checks carried out in accordance with Bombardier ASB A670BA-27-023, dated 3 May 2005, also meet the requirements of Requirement 1 of this directive.2. Forward the information requested in Appendix A of the above mention ASB, to Bombardier Aerospace at the address provided in the ASB.3. Repeat the visual inspection and if required, the special check for fractured/cracked links, detailed above in Requirements 1(a) and 1(b) of this directive.Note 2: Transport Canada AD CF-2005-23 refers. |
| Compliance: | 1. Comply with the following schedule:(a) Aircraft that have accumulated 2000 hours time in service (TIS) or more upon the effective date of this directive; prior to accumulating 550 hours TIS from the effective date of this directive; and(b) Aircraft with less than 2000 hours TIS upon the effective date of this directive; prior to reaching 2000 hours TIS or prior to accumulating 550 hours TIS from the effective date of this directive, which ever is reached later.2. Within 14 days of completing the inspection.3. At intervals not to exceed 1000 flight hours. |
| This Airworthiness Directive becomes effective on 29 September 2005. |