What was found
REJECTED TAKEOFF CVG DUE TO TAKEOFF WARNING HORN. TOGW 128.4, KIAS 0-2K, OAT 17 DEGREES C, PA 900, BRAKE ENERGY CHART, NORMAL STAB TRIM FOR T/O SET AT 2.8 PRIOR TO NEXT T/O, RECYCLED STAB TRIM FULL NOSE DOWN AND FULL NOSE UP, THEN BACK TO 2.8. NO FURTHER PROBLEM. OPS CHECKED T/O CONFIGURATION SYSTEM IAW 727 M/M 31-26-00. OPS CHECKED SYSTEM OK.