As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF, WARNING HORN SOUNDED AT 90 KNOTS, ABORTED TAKEOFF. "NORMAL BRAKING USED". RETURNED TO GATE. PITOT-STATIC SYS PURGED, REPLACED RT INBD SPOILER PANEL ASSY, AND C/W FUNCTIONAL TEST OF T/O WARNING SYS FUNCT TEST OK. RETURNED TO SERVICE.