In response to a Network Reliability Steering Committee (NRSC) request, this Technical Report (TR) enhances the methods (guidelines and algorithms) given in Committee T1 TR No. 38 for analyzing FCC-reportable service outage data to determine the impact of service outages. This TR replaces TR No. 38, and is also being considered by the T1A1.2 Working Group for the development of a longer term TR on Network Survivability Performance.