Narrative:

We experienced an engine fire warning and we followed operating manual procedures. Executed an en route landing at ord for maintenance action. We were not overweight and air carrier notified. Discharged #1 bottle and light went out.

Google
 

Original NASA ASRS Text

Title: ENGINE FIRE WARNING DURING CRUISE FLT. DIVERT AND LAND.

Narrative: WE EXPERIENCED AN ENG FIRE WARNING AND WE FOLLOWED OPERATING MANUAL PROCS. EXECUTED AN ENRTE LNDG AT ORD FOR MAINT ACTION. WE WERE NOT OVERWEIGHT AND ACR NOTIFIED. DISCHARGED #1 BOTTLE AND LIGHT WENT OUT.

Data retrieved from NASA's ASRS site as of July 2007 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.