AD/DHC-8/92 - RDS86 Weather Radar Circuit Breakers (Cth)

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

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-8/92 RDS86 Weather Radar Circuit Breakers 7/2003

Applicability: DHC-8 Model 102 aircraft, serial numbers 023 through 392, equipped with RDS86 Weather Radar System but excluding those aircraft equipped with option CR834CH00284.

Requirement: For aircraft with options CSI 82309, CR834CH82309 or CR811CH82309 incorporated - Modify the electrical power circuit in accordance with the procedures detailed in paragraph 2.2 of Bombardier ModSum IS8Q3450000 by replacing the 7.5 amp circuit breaker with a 5 amp breaker and installing an additional 3 amp breaker.

For aircraft without options CSI 82309, CR834CH82309 or CR811CH82309 incorporated - Modify the electrical power circuit in accordance with the procedures detailed in paragraph 2.3 of ModSum IS8Q3450000 by replacing the 7.5 amp circuit breaker with a 5 amp breaker and installing an additional 3 amp breaker.

Note: Transport Canada AD CF-2003-13 refers.