Document ID: chunk:federal_register_of_legislation:F2014L00496:body:0:p1
Version: federal_register_of_legislation:F2014L00496
Segment Type: other
Provision Reference: 
Character Range: 0–3289

AIRWORTHINESS DIRECTIVE
On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below repeals Airworthiness Directive (AD) AD/CL-600/111 and issues the following AD under subregulation 39.001 (1) of CASR 1998 and subsection 33 (3) of the Acts Interpretation Act 1901. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Bombardier (Canadair) CL-600 (Challenger) Series Aeroplanes
AD/CL-600/111 Amdt 1  Nose Landing Gear Selector Valve  9/2014

Applicability:  This AD applies to the following Bombardier Inc. aircraft:
                Model CL-600-1A11 with Serial Numbers (S/N) from 1004 to 1085 inclusive;
                Model CL-600-2A12 with S/N from 3001 to 3066 inclusive;
                Model CL-600-2B16 with S/N from 5001 to 5194 inclusive;
                Model CL-600-2B16 with S/N from 5301 to 5665 inclusive.
Requirement:    Check the nose landing gear (NLG) selector valve and NLG door selector valve that are installed on the aircraft and replace, rework, and identify the valves, as required, in accordance with the Accomplishment Instructions of the applicable Service Bulletin (SB) listed below, or later revisions approved by the Chief, Continuing Airworthiness, Transport Canada.
                Model                       Service Bulletin            Date
                CL-600-1A11 (CL-600)        SB 600-0721, Revision 03    23 February 2009
                CL-600-2A12 (CL-601)        SB 601-0558, Revision 03    23 February 2009
                CL-600-2B16 (CL-601-3A/3R)  SB 601-0558, Revision 03    23 February 2009
                CL-600-2B16 (CL-604)        SB 604-32-021, Revision 04  23 February 2009

                Accomplishment in accordance with 1 of the following SB revisions also satisfies the requirements of this AD:
                - SB 600-0721 Revision 02, dated 16 June 2008;
                - SB 601-0558, Revision 02, dated 16 June 2008;
                - SB 604-32-021, Revision 03, dated 16 June 2008.
                Accomplishment in accordance with the original issuance of, or an earlier revision of, the applicable SB does not satisfy the requirements of this AD.
                Note 1:  The check is required whether or not an aircraft has previously been checked in accordance with AD/CL-600/86 (which was cancelled and superseded by
                AD/CL-600/111). This is necessary since, following the issue of AD/CL-600/86, it has been determined that the S/N range of the affected valves requires expansion from the previous upper limit of S/N 0767 to S/N 2126 and the exact location of each of these additional valves is unknown.
                Note 2:  Valves that have an S/N with suffix "T" have been manufactured by Tactair Fluid Controls Inc. and do not require any corrective action.
                Note 3:  Valves manufactured by