Air Traffic Control Fully Certified
Air Traffic Control Time Certified In Pos 1 (yrs) 3
Situational Awareness; Communication Breakdown
ATC Issue All Types; Aircraft Equipment Problem Critical; Conflict Airborne Conflict; Deviation - Altitude Excursion From Assigned Altitude
Air Traffic Control Separated Traffic; Flight Crew Took Evasive Action
Aircraft
Aircraft X was level at FL450 and requested FL350 upon checking in on my frequency. I advised that I was unable due to crossing traffic 7 miles away opposite direction level at FL430. Aircraft X responded with 'we're going down to FL350 unable to maintain altitude.' I vectored Aircraft X 30 degrees to the right to avoid traffic and then called Fort Worth Center to coordinate that Aircraft X [called in an urgent situation] and was unable to maintain altitude. Upon further questioning Aircraft X told us that he had an engine flame out and needed a lower altitude to restart. With the information we had at the time nothing could have prevented this from happening.
Memphis Center Controller reported an aircraft descended due to loss of an engine in order to attempt a restart of the engine.