1:46 p.m. An alert said the Atlanta fire department had responded to a smell of smoke and fire coming from the Georgia Power switch room on Concourse E, with the fire department and Georgia Power "assessing the situation."
1:53 p.m. Smith e-mailed airline executives at Delta, American and United and a deputy general manager at Hartsfield-Jackson saying he was five minutes away from the airport.
4:52 p.m. Smith e-mailed from inside a utility tunnel and said: "We have located the fire. My signal is very bad in these tunnels. I am communicating with Georgia Power to get us back up."
6:10 p.m. Smith e-mailed that power on international Concourse F was coming back on, and the rest of the airport would be back up and operational by midnight.
To read more about what airport and airline officials were doing while passengers sat in the dark terminal, get the full story on MyAJC.com.