AD/CL-600/59 - IDG Cables (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 39.1 (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.

Bombardier (Canadair) CL-600 (Challenger) Series Aeroplanes

AD/CL-600/59 IDG Cables 10/2002 DM

Applicability: Model CL-600-2B19 "Regional Jet", serial numbers (S/N) 7003 through 7067 and 7069 through 7303; and

Model CL-600-2B16 "Challenger", S/N 5135 through 5194 and 5301 through 5408.

Requirement: If not previously accomplished, carry out the following:

Part A. - For CL-600-2B19 "Regional Jet" Aircraft

1. For aircraft S/N 7003 through 7067 and 7069 through 7301, inspect the integrated drive generator (IDG) cables to verify clearances, and repair or replace the IDG cables as required, in accordance with Canadair Alert Service Bulletin (ASB) A601R-24-095 dated 23 March 1999, or ASB A601R-24-095, Revision A, dated 25 March 1999.

2. For aircraft S/N 7003 through 7067 and 7069 through 7303, inspect, verify and correct (if required) the clearance between the 10th stage bleed air check valve and the fuel manifold pigtails in accordance with Canadair ASB A601R-73-008 dated 1 April 1999, or ASB A601R-73-008, Revision A, dated 10 April 1999. If there is damage to the fuel manifold pigtails, inspect in accordance with General Electric (GE) CF34 Engine Manual SEI-756, Chapter 72-09-05 (Hose and Tube Assemblies - Inspection/Hose and Tube Assemblies - Repair) to determine serviceability; repair if required.