Narrative:

Pushed up throttles for takeoff. Immediately the takeoff warning horn sounded. I retarded the throttles and taxied off runway. Set brakes and checked aircraft confign. Everything set correctly trim -- green, speed brake -- in, flaps 15. Taxied to gate. Maintenance changed outboard flap indicator. System checked okay. Flight proceeded to newark uneventfully.

Google
 

Original NASA ASRS Text

Title: TKOF ABORTED DUE TO FLAP DISAGREEMENT WITH HANDLE POS.

Narrative: PUSHED UP THROTTLES FOR TKOF. IMMEDIATELY THE TKOF WARNING HORN SOUNDED. I RETARDED THE THROTTLES AND TAXIED OFF RWY. SET BRAKES AND CHKED ACFT CONFIGN. EVERYTHING SET CORRECTLY TRIM -- GREEN, SPD BRAKE -- IN, FLAPS 15. TAXIED TO GATE. MAINT CHANGED OUTBOARD FLAP INDICATOR. SYS CHKED OKAY. FLT PROCEEDED TO NEWARK UNEVENTFULLY.

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.