AD/DHC-8/46 Amdt 4 - Cockpit Door Alternate Release (Cth)

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 revokes Airworthiness Directive (AD) AD/DHC-8/46 Amdt 3 and issues the following 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-8/46 Amdt 4 Cockpit Door Alternate Release 11/2005

Applicability: DHC-8 aircraft Models 102, 103, 106, 201, 202, 301, 311, 314, and 315; equipped with cockpit door assembly, part numbers 82510074-( ), 82510294-( ), 82510310-001, 8Z4597-001, H85250010-( ), 82510700-( ), or 82510704-( ); except 82510704-502 and 82510704-503.

Note 1: -( ) denotes all dash numbers. Requirement: 1. Action in accordance with Section III, Accomplishment Instructions, "Special Inspection/Repair", of de Havilland Service Bulletin (SB) 8-52-39 Revision B, dated 4 July 1997, or a later Transport Canada approved revision.

2. Install Modification 8/2337 in accordance with SB 8-52-39 Revision B, or a later Transport Canada approved revision.

Note 2: Modifications 8/2228, 8/2229, 8/2231, 8/2232, 8Q100859, 8Q900267, 8Q420101, 8Q420143, 8Q200131, or 8Q420440, installed during production are equivalent to Modification 8/2337, with respect to the cockpit door alternate release mechanism, and meet the intent of Requirement 2.