What was found
RTO TAKEOFF REJECTED AT 110 KTS DUE TO TAKEOFF WARNING HORN. AFTER EXITING RUNWAY A/C CHECKED FOR CONFIGURATION DISCREPANCY. SUSPECT T/O WARNING, ENABLE BY FLAP TAKEOFF WARNING SWITCH, S339 FOUND STICKING, CLEANED SWITCH AND PERFORMED AURAL WARNING LOGIC CIRCUIT TEST IAW MM 31-26-00 ALL NORMAL. PERFORMED FLAPS SYS OPERATIONAL CHECK IAW MM 27-51-00, ALL NORMAL. PERFORMED AUTO STAB TRIM OPERATIONAL CHECK IAW MM 22-14-00, ALL NORMAL. HIGH ENERGY STOP DAMAGE CONDITION INSPECTION CARRIED OUT IAW MM 5-51-10, ALL NORMAL. TIRE PRESSURE OK. BRAKE CONDITION NORMAL.