AD/DHC-8/113 - Fuel & Hydraulic Tubes Chafing (Cth)

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 39.001(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-8/113 Fuel & Hydraulic Tubes Chafing 4/2006

Applicability: Bombardier Inc. DHC-8 Series 400 aircraft serial numbers 4003 through 4089. Requirement: 1. For aircraft without Bombardier Systems Drawings SYD 84-28-002, Issue 1, or later approved revisions, and SYD 84-29-006, Issue 1, or later approved revisions incorporated; or

For aircraft without Modsum 4-184079 and Modsum 4-184081 incorporated:

Install Bombardier Modsum 4-113438 (modified fairlead plate assemblies). Bombardier Service Bulletin (SB) 84-54-09, dated 23 January 2004, or later revisions approved by Transport Canada.

2. For aircraft with Bombardier Systems Drawings SYD 84-28-002, Issue 1, or later approved revisions, and SYD 84-29-006, Issue 1, or later approved revisions incorporated; or

For aircraft with Modsum 4-184079 and Modsum 4-184081 incorporated;

Install Bombardier Modsum 4-113438 (modified fairlead plate assemblies). Bombardier (SB) 84-54-09, or later revisions approved by Transport Canada.