DCA/AL250/44 - Power lever Angle Potentiometer - Inspection. 14 <applicability> <applicability> <p> <span> Rolls-Royce Corporation (RRC, formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison),</span> </p> <p> <span>Models 250-C30R/3, -C30R/3M, -C47B, and -C47M turboshaft engines...
DCA/AL250/27 - N2 (Electronic) Overspeed Control System - Deactivation. 8 <applicability> <applicability> <p> <span> All model 250-C28B engines installed in, but not limited to, Bell Model 206L-1 rotorcraft</span> </p> </applicability> </applicability>
DCA/AL250/14 - Compressor PC Filter Insert - Inspection. 4 <applicability> <applicability> <p> <span> As detailed</span> </p> </applicability> </applicability>
DCA/AL250/28 - HP Fuel Control Filter - Modification. 8 <applicability> <applicability> <p> <span> All model 250-C20 and C20B with CECO fuel system</span> </p> </applicability> </applicability>
DCA/AL250/13 - Compressor Wheels Stages 1-6 - Glass Bead Peen - Modification. 4 <applicability> <applicability> <p> <span> All compressor assemblies prior to 250-C18 CAC 21525B and 250-C18A CAC 21773B</span> </p> </applicability> </applicability>
DCA/AL250/29A - Engine Fuel and Control System <applicability> <applicability> <p> <span> All model 250 series engines fitted with bendix fuel control and power turbine governor assemblies containing, or suspected of containing bushing assemblies P/N 2526146 with a nylon ball bearing separator.</span> </p> </applicabil...
DCA/AL250/12 - Accessories Gear Box - Modification. 4 <applicability> <applicability> <p> <span> As detailed</span> </p> </applicability> </applicability>
DCA/AL250/55 - Outer Combustion Case Assembly <applicability> <applicability> <p> <span>Model 250-C28 and -C30 series engines with an outer combustion case assembly P/N 6899237 or 23009569.</span> </p> </applicability> </applicability>
DCA/AL250/34 - Second Stage turbine Nozzle - Modification. 10 <applicability> <applicability> <p> <span> Model 250-C28B, except those with turbine S/N CAT 70498, CAT 70499, CAT 70502, CAT 70513 and subsequent</span> </p> <p> <span> Model 250-C28C except those with turbine S/N CAT 28010 and subsequent</span>...
DCA/AL250/18 - Fuel Control Rigging - Inspection. 5 <applicability> <applicability> <p> <span> 250-C20 engines with Chandler Evans fuel controls</span> </p> </applicability> </applicability>
DCA/AL250/17 - Power Turbine Governor to Control Fuel Tube - Modification. 4 <applicability> <applicability> <p> <span> As detailed</span> </p> </applicability> </applicability>
2018-13-01 - Power Turbine Governor (PTG) Bearing Assembly P/N 2544198 <applicability> <applicability> <div> <h3 id="_toc74">2018-13-01 Power Turbine Governor (PTG) Bearing Assembly P/N 2544198</h3> <p> <span>Rolls-Royce Corporation (RRC) 250-C10D, 250-C18, 250-C18A, 250-C18B, 250-C18C, 250-C19, 250-C20, 250-C20B, 250-C20...
DCA/AL250/32A - Gas Producer Oil Tube - Modification. 9 <applicability> <applicability> <p> <span> All model 250-C30 series with turbine S/Ns detailed in Allison CEB-A-72-3165</span> </p> </applicability> </applicability>
DCA/AL250/19A - Critical Components - Life Limitations. 5 <applicability> <applicability> <p> <span> Models 250-B17 series, C18 series, -C20 series, -C28 series and -C30 series engines</span> </p> </applicability> </applicability>
DCA/AL250/33 - Fuel Control - Removal 9 <applicability> <applicability> <p> <span> Model 250-B17, -C20, -C20R and -C30 series with bendix gas producer controls listed in Allison CEB-A-1231, -A-1272, -A-73-4008 and -A-73-3042 respectively</span> </p> </applicability> </applicability>
DCA/AL250/4 - Gasifier Turbine Oil Sump Screen - Removal 3 <applicability> <applicability> <p> <span> All 250-C18 and 250-C18A turbine assemblies as detailed</span> </p> </applicability> </applicability>
