AIRWORTHINESS DIRECTIVE AIRWORTHINESS DIRECTIVE

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

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	5310/29E5310/30A	TR AWL-92 TR AWL-93
201, 202	PSM 1-82-7	5310/29E5310/30A	TR AWL 2-31TR AWL 2-32
301, 311, 314, 315	PSM 1-83-7	5310/29E5310/30A	TR AWL 3-98,TR AWL 3-99
B. Phase-In Schedule

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

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.