What was found
AIRCRAFT REJECTED TAKE OFF AT 80 KNOTS DUE TO MASTER CAUTION & RT AFT OVERWING DOOR LIGHTS TURNED ON. THE FLIGHT CREW PERFORMED THE QRH 1.8 PROCEDURE, CONFIRMING THE FAILURE. PERFORMED REMOVAL & INSTALLATION OF THE RT EMER EXIT DOOR IAW AMM 52-22-00 & IT PERFORMED BITE TO PSEU IAW FIM 32-09 TASK 801 PROCEDURE, SHOWING FAILURE CODES 52-72008, D10988 PIN 2. THE DOOR WARNING LIGHT SYS OVERWING WAS DEFERRED IAW MEL 52-3-2 CAT C. THE HIGH ENERGY STOP INSPECTION WAS PERFORMED IAW MM 05-51-07, NO DAMAGES WERE FOUND. THE RT RELAY R743 WAS REPLACED IAW AMM 52-41-14, THE RT AFT OVERWING LOCK SOLENOID M2221 WAS REPLACED IAW AMM 52-22-41 & RT AFT OVERWING EMER EXIT DOOR WAS CHECKED IAW AMM 52-22-00, TESTED CORRECT.