Document ID: chunk:federal_register_of_legislation:F2008L00149:body:0:p2
Version: federal_register_of_legislation:F2008L00149
Segment Type: other
Provision Reference: 
Character Range: 5608–6835

Within 60 days after the effective date of this Directive.
             For Requirement 4 - Within 5 000 hours TIS after the effective date of this Directive.
             For Requirement 5 - Initially within 2 500 hours TIS after the effective date of this Directive.
             This Airworthiness Directive becomes effective on 31 January 2008.
Background:  Bombardier Aerospace has completed a system safety review of the aircraft fuel system against fuel tank safety standards introduced in Chapter 525 of the Airworthiness Manual through Notice of Proposed Amendment (NPA) 2002-043.  The identified non-compliances were then assessed using Transport Canada Policy Letter No. 525-001, to determine if mandatory corrective action is required.

             The assessment showed that supplemental maintenance tasks are required to prevent potential ignition sources inside the fuel system, which could result in a fuel tank explosion.  Revision has been made to Canadair Regional Jet Model CL-600-2B19 Maintenance Requirements Manual, CSP A-053, Part 2, Appendix D, "Fuel System Limitations" to introduce the required maintenance tasks.

Charles Lenarcic
Delegate of the Civil Aviation Safety Authority

16 January 2008