Narrative:

Upon application of thrust for takeoff, the takeoff confign warning sounded and the takeoff was aborted after having rolled only a couple hundred feet down the runway. The cause of the warning was the flaps were not extended. The flaps were subsequently extended and the takeoff checklist completed and the takeoff made without further delay.

Google
 

Original NASA ASRS Text

Title: MLG ON TKOF TOLL HAD TKOF CONFIGN WARNING. FLT CREW ABORTED TKOF. FLAPS HAD NOT BEEN SET.

Narrative: UPON APPLICATION OF THRUST FOR TKOF, THE TKOF CONFIGN WARNING SOUNDED AND THE TKOF WAS ABORTED AFTER HAVING ROLLED ONLY A COUPLE HUNDRED FEET DOWN THE RWY. THE CAUSE OF THE WARNING WAS THE FLAPS WERE NOT EXTENDED. THE FLAPS WERE SUBSEQUENTLY EXTENDED AND THE TKOF CHECKLIST COMPLETED AND THE TKOF MADE WITHOUT FURTHER DELAY.

Data retrieved from NASA's ASRS site as of August 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.