AD/DHC-8/77 - Rudder Pedal Mechanism (Cth)

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES

Bombardier (Boeing Canada/De Havilland) DHC-8 Series Aeroplanes

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 CAR 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.

AD/DHC-8/77 Rudder Pedal Mechanism 4/2001

Applicability: DHC-8 aircraft, Series 100, 200 and 300, serial numbers 003 to 563.

Requirement: 1. Inspect the rudder pedal adjustment fittings, part number (P/N) 82710038-101, for cracks in accordance with the Accomplishment Instructions contained in Bombardier Alert Service Bulletin (ASB) A8-27-91, dated 12 September 2000.

Replace any cracked fitting before further flight.

When performing maintenance checks in response to a reported rudder control system defect which exhibits characteristics such as binding or a change in stiffness of the rudder pedal movement during aircraft operation, inspect the rudder pedal adjustment fitting in accordance with Requirement 1 before further flight.

2. Fittings may be replaced by either new aluminium fittings, P/N 82710038-01, or steel fitings, P/N 82710080-101, in accordance with the following: