DCA/CESS172/104 - Re-Routing of Vacuum Line - Modification <applicability> <applicability> <p> <span>Model 172 Series S/N 17247747 through 17248095</span> </p> </applicability> </applicability>
DCA/CESS172/148 - Engine Cowling - Modification <applicability> <applicability> <p> <span>Model 172R S/N 17280001 through 17280081.</span> </p> </applicability> </applicability>
DCA/CESS172/149 - Alternate Static Air Source - Placard and Inspection <applicability> <applicability> <p> <span>Model 172R S/N 17280003 through 17280171, 17280173 through 17280175, 17280177 through 17280179, 17280182 through 17280184, 17280186, 17280189, 17280190, 17280192 through 17280212, 17280214, 17280216 through 17280221, 17280223 through 17280236, 17280239 through...
DCA/CESS172/152 - Lower Forward Doorpost Bulkhead - Modification <applicability> <applicability> <p> <span>Model 172R with the following S/Ns; <br>17280004 through 17280016, 17280101 through 17280113, <br>17280018 through 17280050, 17280115, 17280052 through 17280058, 17280116, <br>17280060 through 17280062, 17280118 through 17280125, 17280064, &l...
DCA/CESS172/136A - Map Light Switch - Inspection and Modification <applicability> <applicability> <p> <span>Model 172N : S/N 17267585 through 17270049; 17270051 through 17274009;</span> </p> <p> <span>17261445, 17261578, and 17270050.</span> </p> <p> <span>Model 172P...
DCA/CESS172/122 - Stall Warning Horn - Modification <applicability> <applicability> <p> <span>Model 172 Series S/N 17254893 through 17257161 <br>Model F172 Series S/N F172 0320 and up <br>Model FR172 Series S/N FR1720001 and up</span> </p> <p> <span>Model 172 Series S/N 17256513 through 1725...
DCA/CESS172/166 - Seatback Lock Assembly <applicability> <applicability> <p> <span> Model 172R aircraft, S/Ns 17280001 through to 17281262</span> </p> <p> <span>Model 172S aircraft, S/Ns 172S8001 through to 172S9994</span> </p> </applicability> </applica...
DCA/CESS172/121B - Fuel Tank Calibration - Inspection <applicability> <applicability> <p> <span>Model 172 Series S/N 17248735 through 17256512</span> </p> </applicability> </applicability>
DCA/CESS172/151 - Aileron and Elevator Control Systems - Inspection <applicability> <applicability> <p> <span>Model 172R S/N 17280001 through 17280475 and 17280506.</span> </p> </applicability> </applicability>
DCA/CESS172/167 - Fuel Hose End Fittings <applicability> <applicability> <p> <span> Model 172R aircraft, S/N 17281244 through to 17281364, 17281366 through to 17281372, 17281374 through to 17281376 and 17281379.</span> </p> <p> <span>Model 172S aircraft, S/N 172S9809 through to 172S10349, 172...
DCA/CESS172/137 - Tachometer Shaft Connector - Inspection <applicability> <applicability> <p> <span>Model R172 Series S/N R1722000 through R1723204</span> </p> </applicability> </applicability>
DCA/CESS172/102 - Narco Model 300 Position Light Flasher - Modification <applicability> <applicability> <p> <span>Model 172 Series S/N 28000 through 36003 that incorporate a Narco flasher model 300 in the lighting system</span> </p> </applicability> </applicability>
