What was found
CPR - FLT 8788 - UPON GEAR RETRACTION, HAD GEAR UNSAFE INDICATION IN RT MAIN. CREW RECYCLED GEAR, GEAR WAS INOPERATIVE. CREW USED ELECTRICAL OVERRIDE TO LOWER GEAR. RT MAIN GEAR A-SYSTEM GREEN GEAR DOWN PROXIMITY SWITCH MALFUNCTIONED. REMOVED AND REPLACED THE RT MLG A-SYSTEM GREEN, GEAR DOWN PROXIMITY SENSOR. FUNCTIONAL CHECKED GOOD PER THE EMB-120 MM. TEST FLIGHT PERFORMED WITH NO DEFECTS NOTED. (X)