Rolls Royce (Allison) Turbine Engines - Rolls Royce (Allison) Turbine Engines - AL501 Series

Rolls Royce (Allison) Turbine Engines - AL501 Series

<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>Rolls Royce (formerly ALLISON) AL 501 series engines.</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 style="margin-left:21.3pt; margin-bottom:12pt; text-indent:-21.3pt"><span>1.</span><span style="width:12.3pt; text-indent:0pt; display:inline-block"> </span><span>Determine the applicability of the AD’s listed in Table 1 of this AD.</span></p><p style="margin-top:12pt; margin-left:21.3pt; margin-bottom:12pt; text-indent:-21.3pt"><span>2.</span><span style="width:12.3pt; text-indent:0pt; display:inline-block"> </span><span>If it is determined that an applicable AD has not been accomplished, perform the actions required by the AD.</span></p><p style="margin-top:12pt; margin-left:21.3pt; text-indent:-21.3pt; text-align:center"><span style="font-weight:bold">Table 1.</span></p><table cellspacing="0" cellpadding="0" style="margin:0pt 9pt; border:0.75pt solid #000000; border-collapse:collapse; float:left"><tbody><tr><td style="width:109.45pt; border-right:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="text-align:center"><span style="font-weight:bold">FAA AD Number</span></p></td><td style="width:116.8pt; border-right:0.75pt solid #000000; border-left:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="text-align:center"><span style="font-weight:bold">FAA Effective Date</span></p></td><td style="width:155.15pt; border-left:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="text-align:center"><span style="font-weight:bold">Title</span></p></td></tr><tr><td style="width:109.45pt; border-top:0.75pt solid #000000; border-right:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p><span>59-21-03</span></p></td><td style="width:116.8pt; border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p><span>Upon Receipt</span></p></td><td style="width:155.15pt; border-top:0.75pt solid #000000; border-left:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p><span>Compressor Blade Retention Failures</span></p></td></tr><tr><td style="width:109.45pt; border-top:0.75pt solid #000000; border-right:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p><span>60-21-01</span></p></td><td style="width:116.8pt; border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p><span>9 November 1960</span></p></td><td style="width:155.15pt; border-top:0.75pt solid #000000; border-left:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p><span>Torquemeter Housing</span></p></td></tr><tr><td style="width:109.45pt; border-top:0.75pt solid #000000; border-right:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p><span>79-25-03</span></p></td><td style="width:116.8pt; border:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p><span>13 December 1979</span></p></td><td style="width:155.15pt; border-top:0.75pt solid #000000; border-left:0.75pt solid #000000; border-bottom:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p><span>Second Stage Turbine Wheels</span></p></td></tr><tr><td style="width:109.45pt; border-top:0.75pt solid #000000; border-right:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p><span>86-17-06</span></p></td><td style="width:116.8pt; border-top:0.75pt solid #000000; border-right:0.75pt solid #000000; border-left:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p><span>15 September 1986</span></p></td><td style="width:155.15pt; border-top:0.75pt solid #000000; border-left:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p><span>Unwanted Autofeather</span></p></td></tr></tbody></table><p class="Note"><span>Note:</span><span> </span><span>Prior to 1963 FAA AD’s did not have effective dates.</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><span>Within 30 days 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 6 July 2006.</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>The AD’s listed in Table 1 of this AD have been evaluated and found to require one-time inspections or modifications as at the effective date of this AD.</span><span> </span><span>In addition the compliance period for these AD’s has passed.</span><span> </span><span>With the introduction of the aeroplane onto the Australian register, the intention of this AD is to ensure compliance with the AD’s listed in Table 1.</span></p></td></tr></tbody></table>

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James Coyne
Delegate of the Civil Aviation Safety Authority

24 May 2006