As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 232 - ABORT TAKEOFF: WARNING HORN SOUNDED WHEN POWER PUSHED UP. GOT OFF RUNWAY AND CHECKED CONFIGURATION. EVERYTHING IN CORRECT POSITION. SECOND TAKEOFF OKAY. AS A PRECAUTIONARY, CLEANED AND ADJUSTED SPEED BRAKE HANDLE SWITCH. OPS CHECK PER MM 31-36-00. TAKEOFF WARNING SYSTEM TEST OKAY. TAT: 5371:03. TAC: 12660. (X)