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

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

<table cellspacing="0" cellpadding="0" style="width:510.3pt; margin-top:0pt; margin-bottom:0pt; border-collapse:collapse"><tbody><tr><td style="width:74.35pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>Applicability:</span></p></td><td colspan="2" style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>CL-600 series aeroplanes as follows:</span></p></td></tr><tr><td style="width:74.35pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span></span></p></td><td style="width:200.2pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p style="margin-left:21.3pt; margin-bottom:12pt"><span style="font-weight:bold">Mode</span><span>l</span></p><p style="margin-top:12pt; margin-left:21.3pt"><span>CL-600-1A11 (600 Variant)</span><br><span>CL-600-2A12 (601 Variant)</span><br><span>CL-600-2B16 (601-3A Variant)</span></p></td><td style="width:203.65pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p style="margin-bottom:12pt"><span style="font-weight:bold">Serial</span><span style="font-weight:bold"> </span><span style="font-weight:bold">Number</span><span style="font-weight:bold"> </span><span style="font-weight:bold">Range</span></p><p style="margin-top:12pt"><span>1004 through 1085</span><br><span>3001 through 3066</span><br><span>5001 through 5131</span></p></td></tr><tr><td style="width:74.35pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>Requirement:</span></p></td><td colspan="2" style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p style="margin-left:21.3pt; text-indent:-21.3pt"><span>1.</span><span style="width:12.3pt; text-indent:0pt; display:inline-block"> </span><span>If not previously accomplished, inspect the Air Driven Generator (ADG) power feeder harness for wire type, in accordance with the Accomplishment Instructions in Part A of Bombardier Service Bulletin (SB) 600-0737 or 601-0591 (as applicable), both dated 23 July 2007.</span><span> </span><span>If the wire type is not Kapton, complete the instruction in Part A of the applicable SB and compliance with Directive is complete.</span></p></td></tr><tr><td style="width:74.35pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span></span></p></td><td colspan="2" style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p style="margin-left:21.3pt; text-indent:-21.3pt"><span>2.</span><span style="width:12.3pt; text-indent:0pt; display:inline-block"> </span><span>If the wire type is Kapton, replace the ADG power feeder harness in accordance with the Accomplishment Instructions in Part B of SB 600-0737 or 601-0591 (as applicable).</span></p></td></tr><tr><td style="width:74.35pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span></span></p></td><td colspan="2" style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>Later revisions of the above SBs, approved by the Chief, Continuing Airworthiness, Transport </span><span>Canada</span><span> are acceptable for compliance with this Directive.</span></p></td></tr><tr><td style="width:74.35pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span></span></p></td><td colspan="2" style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p class="Note"><span>Note:</span><span> </span><span>Transport </span><span>Canada</span><span> AD CF-2009-18 refers.</span></p></td></tr><tr><td style="width:74.35pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>Compliance:</span></p></td><td colspan="2" style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>Before 19 July 2011.</span></p></td></tr><tr><td style="width:74.35pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span></span></p></td><td colspan="2" style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>This Airworthiness Directive becomes effective on 2 July 2009.</span></p></td></tr><tr><td style="width:74.35pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>Background:</span></p></td><td colspan="2" style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>Transport </span><span>Canada</span><span> has received two reports of instances in which the ADG has failed to power the essential bus following in-flight deployment as part of its periodic operational check.</span><span> </span><span>Subsequent inspection revealed that the ADG power feeder harness wire (Kapton) had chafed on the backshell of its own connector (P1XC), resulting in a short circuit, wire damage and disconnection of the wire from the ADG.</span><span> </span><span>Coupled with a dual generator failure, such a disconnection would result in the loss of emergency power to critical systems, with a consequent adverse effect on the controllability of the aircraft.</span></p></td></tr></tbody></table>