nitial phase manufacturing on aircraft serial numbers 5474 and subsequent. 31 OPT cm 4698.9 1063 18 Jun 2015 C 0.00 ASC Aidrame 979120 ASC 912 PlaneView Master Operating Effectivity: This service System Software Update change is applicable to aircraft serial numbers 5001 — 5549. This, or a similar change. will be installed