Narrative:

Level at FL180 we received a master caution and a #2 engine overheat warning light. Accomplished all emergency checklists and returned to land overweight. Engine was shutdown after landing. Fire chief cleared us to taxi to the gate.

Google
 

Original NASA ASRS Text

Title: B737-800 Flight Crew experienced an engine overheat at FL180 during climb. The QRH was complied with; an emergency declared; and the flight returned to the departure airport for an uneventful overweight landing.

Narrative: Level at FL180 we received a master caution and a #2 Engine Overheat warning light. Accomplished all emergency checklists and returned to land overweight. Engine was shutdown after landing. Fire chief cleared us to taxi to the gate.

Data retrieved from NASA's ASRS site as of April 2012 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.