Narrative:

As power was advanced for takeoff, got takeoff warning horn. Aborted takeoff at 60 KTS and turned off runway. Did a check of all items that could cause a takeoff warning horn and found all items normal. Contacted our maintenance base and conferred with them. Maintenance had us pull and reset circuit breakers for various items. After this was accomplished, did a run up while holding brakes and everything was normal. Supplemental information from acn 267233: further checks in cockpit showed that the green light on #2 leading edge flap (overhead panel) was burned out -- or just off. (All others on). Fwd panel leading edge flap light was green - - no amber lights on overhead panel or forward panel. Contacted air carrier maintenance via radio and they relayed directions regarding pulling and resetting circuit breakers. After various circuit breakers cycled and the 'stall warning asymmetrical mode' circuit breaker pulled, did a run up and received no horn warning, air carrier deferred the pulled circuit breaker and inoperable green light, with captain's, first officer's and dispatcher's approval. Normal takeoff and uneventful flight to ord followed.

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Original NASA ASRS Text

Title: FLC OF AN MLG ACR ACFT ABORTED TKOF DUE TO TKOF WARNING DURING TKOF ROLL.

Narrative: AS PWR WAS ADVANCED FOR TKOF, GOT TKOF WARNING HORN. ABORTED TKOF AT 60 KTS AND TURNED OFF RWY. DID A CHK OF ALL ITEMS THAT COULD CAUSE A TKOF WARNING HORN AND FOUND ALL ITEMS NORMAL. CONTACTED OUR MAINT BASE AND CONFERRED WITH THEM. MAINT HAD US PULL AND RESET CIRCUIT BREAKERS FOR VARIOUS ITEMS. AFTER THIS WAS ACCOMPLISHED, DID A RUN UP WHILE HOLDING BRAKES AND EVERYTHING WAS NORMAL. SUPPLEMENTAL INFO FROM ACN 267233: FURTHER CHECKS IN COCKPIT SHOWED THAT THE GREEN LIGHT ON #2 LEADING EDGE FLAP (OVERHEAD PANEL) WAS BURNED OUT -- OR JUST OFF. (ALL OTHERS ON). FWD PANEL LEADING EDGE FLAP LIGHT WAS GREEN - - NO AMBER LIGHTS ON OVERHEAD PANEL OR FORWARD PANEL. CONTACTED ACR MAINT VIA RADIO AND THEY RELAYED DIRECTIONS REGARDING PULLING AND RESETTING CIRCUIT BREAKERS. AFTER VARIOUS CIRCUIT BREAKERS CYCLED AND THE 'STALL WARNING ASYMMETRICAL MODE' CIRCUIT BREAKER PULLED, DID A RUN UP AND RECEIVED NO HORN WARNING, ACR DEFERRED THE PULLED CIRCUIT BREAKER AND INOPERABLE GREEN LIGHT, WITH CAPT'S, FO'S AND DISPATCHER'S APPROVAL. NORMAL TKOF AND UNEVENTFUL FLT TO ORD FOLLOWED.

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.