Person with breathing difficulty at Southline unit in Costa Mesa Heard on: OCFA Dispatch 5B 00:04 Engine 72 , respiratory patient, (number withheld) south line unit, 754 , four mike. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. Engine 72 , respiratory patient, (number withheld) south line unit, 754 , four mike. 2026-09-12 22:19 UTC Medical Emergency S St, Costa Mesa, CA 92626 View on map