Document ID: chunk:federal_register_of_legislation:F2006B09258:body:0:p1
Version: federal_register_of_legislation:F2006B09258
Segment Type: other
Provision Reference: 
Character Range: 20–3364

AIRWORTHINESS DIRECTIVE
 For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CASR 1998. 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 (Boeing Canada/De Havilland) DHC-8 Series Aeroplanes

 AD/DHC-8/99 Fuselage Longitudinal Skin Joints 12/2004
DM

            Applicability: DHC-8 aircraft, Models 102, 103, 106, 201, 202, 301, 311, 314, and 315, with serial numbers 003 and subsequent.

 Requirement: A. Airworthiness Limitations Change

            Amend the Transport Canada approved maintenance schedule by incorporating the new and revised structural inspection tasks as introduced by Temporary Revision (TR) of Airworthiness Limitations List (AWL) of the DHC-8 Maintenance Program Manuals (MPM) specified below:

DHC-8 Models          MPM         Task No.    Temporary Revision
102, 103, 106         PSM 1-8-7   5310/29E    TR AWL-92 TR AWL-93
                                  5310/30A
201, 202              PSM 1-82-7  5310/29E    TR AWL 2-31
                                  5310/30A    TR AWL 2-32
301, 311, 314, 315    PSM 1-83-7  5310/29E    TR AWL 3-98,
                                  5310/30A    TR AWL 3-99
B. Phase-In Schedule

            The phase-in schedule for the structural inspection tasks detailed in Requirement A is as follows:

               1. For aircraft that have accumulated less than or equal to 40,000 flight cycles at the effective date of this Directive:

              Perform the structural inspection task numbers 5310/29E and 5310/30A.

              2.         For aircraft that have accumulated more than 40,000 flight cycles, but not more than 57,500 flight cycles at the effective date of this Directive:

                  1. Perform the eddy current inspection as detailed in task numbers 5310/29E and 5310/30A.

                 b.        In addition, for aircraft models 106, 201, and 202, perform both the detailed visual and eddy current inspections at areas below floor, as detailed in task number 5310/30A.

              3.         For aircraft that have accumulated more than 57,500 flight cycles at the effective date of this Directive:

                  1. Perform the eddy current inspection as detailed in task numbers 5310/29E and 5310/30A.

                 b.        In addition, for aircraft models 106, 201, and 202, perform both the detailed visual and eddy current inspections at areas below floor, as detailed in task number 5310/30A.

            Note: Transport Canada AD CF-2004-16 refers.

 Compliance: A. Within 30 days after 6 October 2004.

            B.1. At the intervals specified in Requirement A. applicable Temporary Revision of Airworthiness Limitations List of the Maintenance Program Manuals.

B.2.a.    Within 5,000 flight hours after 6 October 2004 but not later than 60,000 flight cycles, whichever