Boeing 767 Series AeroplanesBoeing 767 Series Aeroplanes

Boeing 767 Series Aeroplanes

<table cellspacing="0" cellpadding="0" style="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 style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>Boeing Model 767-300F series aeroplanes, as identified in Boeing Special Attention Service Bulletin 767-21-0192, dated 23 March 2006.</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 style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>Do the applicable action specified in Table 1 of this AD in accordance with the Accomplishment Instructions of Boeing Special Attentio</span><span>n Service Bulletin</span><br><span>767-21-0192.</span></p><p style="margin-left:21.3pt; margin-bottom:12pt; text-indent:-21.3pt; text-align:center"><span style="font-weight:bold">Table 1. - Replacement</span></p><table cellspacing="0" cellpadding="0" style="width:100%; margin-top:0pt; margin-bottom:0pt; border:0.75pt solid #000000; border-collapse:collapse"><tbody><tr><td style="width:49.68%; border-right:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding:0.38pt; vertical-align:top"><p style="margin-top:3pt; margin-left:13.05pt; margin-bottom:3pt"><span style="font-weight:bold">For aeroplanes identified in the service bulletin as -</span></p></td><td style="width:49.68%; border-left:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding:0.38pt; vertical-align:top"><p style="margin-top:3pt; margin-left:12.05pt; margin-bottom:3pt"><span style="font-weight:bold">Do the following action -</span></p></td></tr><tr><td style="width:49.68%; border-top:0.75pt solid #000000; border-right:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding:0.38pt; vertical-align:top"><p style="margin-top:3pt; margin-left:13.05pt; margin-bottom:3pt"><span>(1) Group 1 aeroplanes</span></p></td><td style="width:49.68%; border-top:0.75pt solid #000000; border-left:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding:0.38pt; vertical-align:top"><p style="margin-top:3pt; margin-left:12.05pt; margin-bottom:3pt"><span>Replace the rotomolded duct between the transition duct of the right cooling pack and the mix manifold with a new duct made of aluminium.</span></p></td></tr><tr><td style="width:49.68%; border-top:0.75pt solid #000000; border-right:0.75pt solid #000000; padding:0.38pt; vertical-align:top"><p style="margin-top:3pt; margin-left:13.05pt; margin-bottom:3pt"><span>(2) Group 2 aeroplanes</span></p></td><td style="width:49.68%; border-top:0.75pt solid #000000; border-left:0.75pt solid #000000; padding:0.38pt; vertical-align:top"><p style="margin-top:3pt; margin-left:12.05pt; margin-bottom:3pt"><span>Replace the rotomolded ducts of the mix manifold system with new ducts made from Kevlar® and aluminium.</span></p></td></tr></tbody></table><p class="Note"><span>Note:</span><span> </span><span>FAA AD 2007-25-13 </span><span>Amendment 39-15295 dated 23 November 2007 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 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>Within 36 months after the effective date of this AD.</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:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>This Airworthiness Directive becomes effective on 8 May 2008.</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 style="width:414.55pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p><span>This AD results from a report of failures of the duct joint seal of the mix manifold system.</span><span> </span><span>The issuing of this AD is intended to prevent air conditioning leakage into the mix manifold bay.</span><span> </span><span>Such leakage could decrease the air flow to the flight compartment and main cabin or could allow smoke into the flight compartment in the event of a fire in the main cabin or forward cargo compartment.</span></p></td></tr></tbody></table>