Narrative:

Cleared for takeoff runway 08 abq. Advanced power. Takeoff warning horn sounded. Taxied clear of runway. All parameters were normal. Recycled all items with input to warning horn. Advanced power with no warning horn sounding. Reclred for normal takeoff. All system were normal. Possible cause: stuck relay somewhere. Did not enter in log. Operations normal next leg.

Google
 

Original NASA ASRS Text

Title: LGT HAS WARNING HORN ACTIVATE AS PWR ADVANCED. ABORT TKOF.

Narrative: CLRED FOR TKOF RWY 08 ABQ. ADVANCED PWR. TKOF WARNING HORN SOUNDED. TAXIED CLR OF RWY. ALL PARAMETERS WERE NORMAL. RECYCLED ALL ITEMS WITH INPUT TO WARNING HORN. ADVANCED PWR WITH NO WARNING HORN SOUNDING. RECLRED FOR NORMAL TKOF. ALL SYS WERE NORMAL. POSSIBLE CAUSE: STUCK RELAY SOMEWHERE. DID NOT ENTER IN LOG. OPS NORMAL NEXT LEG.

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.