AD/BELL 206/159 - Torque Indicators

Bell Helicopter Textron Canada (BHTC) 20 Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters

Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters

AD/BELL 206/159	Torque Indicators	9/2005

<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>Bell Helicopter Textron Canada (BHTC) model 206B and 206BL4 helicopters 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:171.85pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p style="margin-left:35.45pt; margin-bottom:12pt"><span style="font-weight:bold">Model</span></p><p style="margin-top:12pt; margin-left:35.45pt"><span>206B</span><br><br><span>206L4</span></p></td><td style="width:232pt; padding-right:5.35pt; padding-left:5.35pt; vertical-align:top"><p style="margin-bottom:12pt; text-align:center"><span style="font-weight:bold">Serial Numbers</span></p><p style="margin-top:12pt"><span>254 through 4585 and 5101 through 5305 inclusive</span><br><span>52001 through 52301 inclusive and 52303</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>Unless already accomplished, verify the part number of the installed engine torque indicator in accordance with BHTC Alert Service Bulletin (ASB) 206-05-104 or 206L-05-133, as applicable, or later revisions approved by the Chief, Continuing Airworthiness, Transport Canada.</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, as a result of the Requirement 1 inspection, a torque indicator with part number (P/N) 206-075-739-123 or P/N 206-075-739-125 has been identified, replace the torque indicator in accordance with instructions provided in ASB 206-05-104 or 206L-05-133, as applicable, or later revisions approved by the Chief, Continuing Airworthiness, Transport Canada.</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-2005-22 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>For Requirements 1 and 2 - Before 30 November 2005.</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 1 September 2005.</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 style="margin-bottom:12pt"><span>Transport Canada has received advice from BHTC that due to manufacturing discrepancies, the performance of torque indicators manufactured by Ahlers Aerospace in cold weather may be affected resulting in lower than actual readings.</span></p><p style="margin-top:12pt"><span>This Directive requires the inspection of all installed torque indicators to determine their part number and, if necessary, their replacement.</span></p></td></tr></tbody></table>