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

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

AD/CL-600/59 (Continued)

2. Inspect, verify and correct (if required) the clearance between the 10th stage bleed air check valve and the fuel manifold pigtails in accordance with Bombardier Alert Wire TA601-055, paragraph 6C, Part B, or Bombardier ASB A604-73-001 dated 19 April 1999. If there is damage to the fuel manifold pigtails, inspect in accordance with General Electric (GE) CF34 Service Manual SEI-780, Chapter 72-00-00 (Maintenance Practice 57) to determine serviceability; repair if required.
3. Report the findings of the above inspections (and corrective action if required) to Bombardier.

Note: Transport Canada AD CF-99-09R1 refers.

Compliance: For Requirements A.1 and A.2 - Within 50 hours time in service (TIS) after the effective date of this Directive. Any corrective action required as a result of the inspections must be accomplished before further flight.

For Requirement A.3 - Within 10 days after completing the inspection and, if applicable, the corrective action.

For Requirements B.1 and B.2 - Within 50 hours time in service (TIS) after the effective date of this Directive. Any corrective action required as a result of the inspections must be accomplished before further flight.

For Requirement B.3 - Within 10 days after completing the inspection and, if applicable, the corrective action.

This Airworthiness Directive becomes effective on 14 August 2002.

Background: Transport Canada received a report of an incident where the insulation covering on the IDG cable harness on a Regional Jet was chafed down to bare wire; there was also evidence that a brief flash fire occurred. In addition, Transport Canada has received two reports of chafing damage to the main engine right fuel manifold on RJ aircraft.

This Directive requires inspection of IDG cables to verify clearance and, if necessary, corrective action to ensure adequate clearance and/or cable replacement. These actions are intended to ensure the integrity of the IDG cables and fuel manifolds.

Signature of Eugene Paul Holzapfel Delegate of the Civil Aviation Safety Authority

Eugene Paul Holzapfel

Delegate of the Civil Aviation Safety Authority 7 August 2002

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The above AD is notified in the Commonwealth of Australia Gazette on 14 August 2002.