Narrative:

Following an MEL on leading edge flaps; received a takeoff configuration warning horn on takeoff roll below 100 knots. Rejected takeoff and returned to gate. No emergency equipment required.

Google
 

Original NASA ASRS Text

Title: After the leading edge flaps had been MELd; a B737 Flight Crew rejected a takeoff below 100 knots due to a Takeoff Configuration Warning.

Narrative: Following an MEL on leading edge flaps; received a Takeoff Configuration Warning Horn on takeoff roll below 100 knots. Rejected takeoff and returned to gate. No emergency equipment required.

Data retrieved from NASA's ASRS site 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.