Arriving there on 3 January 1987, the warship conducted an ASW exercise in the Sea of Japan in early January before heading for home on 12 January. The next day, however, she suffered a pressure failure in her sonar dome and diverted to Guam for temporary repairs. Underway again on 24 January, "Berkeley" returned to San Diego, via Pearl Harbor, on 12 February. After a two-week leave and upkeep standdown, the warship resumed her familiar west coast routine. This included various weapons and supply inspections, equipment alterations in the shipyard—including more repairs to her sonar dome that summer—and training ashore for crew members. She rounded out the year with refresher training off southern California punctuated by minor repair periods alongside .