What was found
DURING CLIMB-OUT, THE RIGHT WING FLAP WOULD NOT RETRACT FROM THE 15 DEGREE POSITION, THE WINDSHEAR ANNUNCIATOR LIGHT ILLUMINATED, THE FIRST OFFICER'S SPEED COMMAND FLAG WAS IN VIEW, AND THE NR 1 AND NR 2 VHF RADIOS BECAME INOPERATIVE (BOTH WORKED NORMALLY IN EMERGENCY MODE). THE FLIGHT CREW RESTORED THE FLAP SETTING TO THE 15 DEGREE POSITION, RETURNED TO ORIGINATION, AND LANDED WITHOUT INCIDENT. MAINTENANCE RESET THE RIGHT INSTRUMENT TRANSFORMER CIRCUIT BREAKER AND PULLED AND COLLARED THE RIGHT FLAP INDICATOR CIRCUIT BREAKER PER MEL PROCEDURES. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.