What was found
AFTER T/O WHILE IN TURN AT ABOUT 2000', RECEIVED A MASTER CAUTION LIGHT AND OVERHEAD LIGHT. HAD BOTH LT FWD AND LT AFT OVERWING EXIT LIGHTS ON. PRESSURIZATION NORMAL, PAX AT AFT OVERWING REPORTED CLICKING SOUND COMING FROM DOOR. ACFT GROUNDED. DIVERSION TIME: 41 MINUTES, PERFORMED INITIAL EVALUATION NUMEROUS TIMES TO CHECK FOR PSEU FAULTS AND OPERATE OVERWING EXIT DOOR FLIGHT LOCKS. NO FAULTS FOUND. CYCLED THROTTLE DURING TEST TO OPERATE FLIGHT LOCKS MORE THAN 20 TIMES. ALL OVERWING EXIT FLIGHT LOCKS OPERATE NORMALLY, REF FIM 52-20, TASK 801. THIS CLEARS MEL 52-15.