As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRST TAKEOFF REJECTED DUE TO TAKEOFF WARNING HORN. SPEED BRAKE CYCLED AND FOUND OK UNTIL LANDING. NO LIGHTS ASSOCIATED WITH SPEED BRAKE SYSTEM AND AUTO SPOILERS INOP. REMOVED AND REPLACED AUTO SPEED BRAKE ACTUATOR, OPS CKD GOOD PER M/M.