Nearly 400 homes served by Ameren Missouri in the Ashland area were without power Monday morning after a mechanical issue with a transformer.

Southern Boone County Fire Protection District crews were sent to a call of a transformer fire at about 9 a.m. Monday in the area of Rangeline Road and Route Y near the Columbia Regional Airport just outside Ashland. Ameren’s outage map showed 384 customers without power south of Ashland in southern Boone County at about 9:15 a.m.

Ameren crews were able to restore power by 11:25 a.m. on Monday.