Allison Turbine Engines - 250 SeriesAllison Turbine Engines - 250 Series

Allison Turbine Engines - 250 Series

<table cellspacing="0" cellpadding="0" style="margin-top:0pt; margin-bottom:0pt; border-collapse:collapse"><tbody><tr style="height:502.9pt"><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 style="margin-bottom:12pt"><span>Rolls-Royce Corporation (formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison) 250-B17, -B17B, -B17C, -B17D, -B17E, -B17F,</span><br><span>-B17F/1, -B17F/ 2, 250-C18, -C20, -C20B, -C20F, -C2</span><span>0J, -C20R, -C20R/1, -C20R/2,</span><br><span>-</span><span>C20R/4, -C20S, and C20W series turboprop and turboshaft engines with the gas producer rotor assembly tie bolt part numbers (P/Ns) listed in Table 1 of this </span><span>Airworthiness Directive</span><span> installed.</span></p><p style="margin-top:12pt; text-align:center"><span style="font-weight:bold">Table 1. - Affected Gas Producer Rotor Assembly Tie Bolts</span></p><table cellspacing="0" cellpadding="0" style="width:427pt; margin-top:0pt; margin-bottom:0pt; border:0.75pt solid #000000; border-collapse:collapse"><tbody><tr><td style="width:196.25pt; 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">Manufacturer</span></p></td><td style="width:208.4pt; 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">Affected part numbers (P/N)</span></p></td></tr><tr><td style="width:196.25pt; 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 style="margin-left:16.2pt"><span>EXTEX Ltd. (EXTEX)</span></p></td><td style="width:208.4pt; 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 style="margin-left:21.75pt"><span>A23008020 and E23008020</span></p></td></tr><tr><td style="width:196.25pt; 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 style="margin-left:16.2pt"><span>Rolls-Royce Corporation (RRC)</span></p></td><td style="width:208.4pt; 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 style="margin-left:21.75pt"><span>23008020, 6843388 and 6876991</span></p></td></tr><tr><td style="width:196.25pt; 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 style="margin-left:16.2pt"><span>Superior Air Parts Inc. (SAP)</span></p></td><td style="width:208.4pt; 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 style="margin-left:21.75pt"><span>A23008020</span></p></td></tr><tr><td style="width:196.25pt; border-top:0.75pt solid #000000; border-right:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-left:16.2pt"><span>Pacific Sky Supply Inc</span></p></td><td style="width:208.4pt; border-top:0.75pt solid #000000; border-left:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-left:21.75pt"><span>23008020P</span></p></td></tr></tbody></table><p class="Note" style="margin-bottom:12pt"><br><span>Note 1:</span><span> </span><span>These engines are installed on, but not limited to, aircra</span><span>ft listed in Table 2 of this AD</span><span>:</span></p><p style="margin-top:12pt; text-align:center"><span style="font-weight:bold">Table 2. - Applicable Aircraft</span></p><table cellspacing="0" cellpadding="0" style="margin-top:0pt; margin-bottom:0pt; border:0.75pt solid #000000; border-collapse:collapse"><tbody><tr><td style="width:203pt; 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">Helicopter</span></p></td><td style="width:201.65pt; 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">Models</span></p></td></tr><tr><td style="width:203pt; 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 style="margin-left:44.55pt"><span>Agusta</span></p></td><td style="width:201.65pt; 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 style="margin-left:0.85pt"><span>A109, A109A, A109A II, A109C.</span></p></td></tr><tr><td style="width:203pt; 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 style="margin-left:44.55pt"><span>Arrow Falcon Exporters</span></p></td><td style="width:201.65pt; 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 style="margin-left:0.85pt"><span>OH-58A+ and OH-58C.</span></p></td></tr><tr><td style="width:203pt; 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 style="margin-left:44.55pt"><span>Bell</span><span> Textron</span></p></td><td style="width:201.65pt; 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 style="margin-left:0.85pt"><span>206A, 206B, 206L.</span></p></td></tr><tr><td style="width:203pt; 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 style="margin-left:44.55pt"><span>Enstrom</span></p></td><td style="width:201.65pt; 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 style="margin-left:0.85pt"><span>TH-28, 480, 480B.</span></p></td></tr><tr><td style="width:203pt; border-top:0.75pt solid #000000; border-right:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-left:44.55pt"><span>Eurocopter </span><span>France</span></p></td><td style="width:201.65pt; border-top:0.75pt solid #000000; border-left:0.75pt solid #000000; padding-right:5.03pt; padding-left:5.03pt; vertical-align:top"><p style="margin-left:0.85pt"><span>AS</span><span>355E, AS355F, AS355F1, AS355F2.</span></p></td></tr></tbody></table><p style="text-align:center"></p></td></tr></tbody></table>