UNITED TELECOM <UT> REPORTS US SPRINT LOSS United Telecommunications Inc said its lower first quarter earnings included a loss of 63,055,000 dlrs from its equity in US Sprint. US Sprint was formed July 1, 1986, as a partnership which combined United Telecommunications' long distance voice and data operations with those of GTE Corp <GTE>. Earlier, United Telecommunications reported first-quarter earnings of 12.6 mln dlrs, or 13 cts a share compared to 46.4 mln dlrs, or 47 cts a share a year ago. Revenues declined to 720.2 mln dlrs from 793.6 mln dlrs. United Telecommunications said the transition of US Sprint's nationwide fiberoptic network is proceeding ahead of schedule. It said the transition to the fiber network from interim networks would not only reduce operating costs in the second half of 1987, but also assist in controlling unauthorized network use.