Document ID: chunk:federal_register_of_legislation:F2009L03111:body:0:p2
Version: federal_register_of_legislation:F2009L03111
Segment Type: other
Provision Reference: 
Character Range: 2878–6175

not checked, fluorescent penetrant inspection is required.  Proceed to Requirement 2 of this AD.

   Note 1:  Requirement 1 may be conducted visually, which requires the ADG to be lowered, or by checking the maintenance records.

      2. Fluorescent Penetrant Inspection:

        a. Applicable to CL-600-2B19 Aircraft, S/Ns 7305 through 8051:

        Inspect the ADG strut, and replace the ADG as necessary, in accordance with the Accomplishment Instructions in Bombardier Alert Service Bulletin (ASB) A601R-24-120, Revision C, dated 20 April 2009, or later revisions approved by the Chief, Continuing Airworthiness, Transport Canada.

        Prior accomplishment of the fluorescent penetrant inspection, conducted in accordance with either the above referenced SB or one of the SBs listed in Table 1 of this AD, also meets the intent of Requirement 2 of this AD.

      Table 1
   Bombardier Alert SB A601R-24-120      Original Issue  Dated 20 April 2005
   Bombardier Alert SB A601R-24-120      Revision A      Dated 1 December 2005
   Bombardier Alert SB A601R-24-120      Revision B      Dated 7 December 2006
   Hamilton Sundstrand SB ERPS10AG-24-3  Original Issue  Dated 14 April 2005
   Hamilton Sundstrand SB ERPS10AG-24-3  Revision 1      Dated 19 April 2005
   Hamilton Sundstrand SB ERPS10AG-24-3  Revision 2      Dated 14 November 2006
   Hamilton Sundstrand SB ERPS10AG-24-3  Revision 3      Dated 12 March 2009

   Following completion of Requirement 2, no further action is required and compliance with this AD is complete.

   Note 2:  Requirement 2 is only applicable if required by Requirement 1.b.iii.A. and Requirement 1.b.iv of this AD.

   Note 3:  For ADGs specified in Requirement 1.b.iii.A repeat fluorescent penetrant inspections (per Hamilton Sundstrand SB ERPS10AG-24-3) are required as part of the periodic ADG Functional Check procedure.  Refer to Airworthiness Requirements, Part 2 of Maintenance Requirements Manual, Appendix A - Certification Maintenance Requirements (CMR) and the Aircraft Maintenance Manual (AMM), as follows:

      - CMR Task No. C24-20-129-01.

      - AMM Task No: 24-23-01-720-803.

   Note 4:  For ADGs specified in Requirement 1.b.iii.A fluorescent penetrant inspection (per Hamilton Sundstrand SB ERPS10AG-24-3) is required following each future unscheduled in-flight ADG deployment, as specified in the following task:

      - AMM Task No: 05-51-19-210-801.

   Note 5:  In Hamilton Sundstrand SB ERPS10AG-24-3, the fluorescent penetrant inspection is referred to as a "Penetrant Check".

        b. Applicable to CL-600-2C10 Aircraft, S/Ns 10003 through 10260, and
        CL-600-2D15 and CL-600-2D24 Aircraft, S/Ns 15001 through 15106:

        Inspect the ADG strut, and replace the ADG as necessary, in accordance with the Accomplishment Instructions in Bombardier Alert Service Bulletin (ASB) A670BA-24-020, Revision C, dated 20 April 2009, or later revisions approved by the Chief, Continuing Airworthiness, Transport Canada.

        Prior accomplishment of the fluorescent penetrant inspection, conducted in accordance with either the above referenced SB or one of the SBs listed in Table 2, also meets the intent of Requirement 2 of this AD.

      Table 2
   Bombardier Alert SB A670BA-24-020  Original