As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR - FLT 251 - EWR TO ATL, ABORTED TAKEOFF ON TAKEOFF ROLL DUE WARNING HORN ACTUATED ON POWER LEVEL ADVANCEMENT, ALL OTHER INDICATIONS NORMAL. REMOVED AND REPLACED FAULTY PARKING BRAKE MICROSWITCH. OPS CHECK OK PER 32-44-0 AND 32-09-121, PAGE 504. (X)