What was found
PBI - FLT 270 - EN ROUTE MIA-PIT, AFTER TAKEOFF, RECEIVED A NR 1 RADIO MANAGEMENT PANEL ELECTRICAL FAULT LIGHT, NAVIGATION ILS FAULT, AND GROUND PROXIMITY FAULT. THE RADIOS ALSO BECAME INOPERATIVE. AFTER A RESET OF THE CIRCUIT BREAKERS, A BURNING ELECTRICAL SMELL BECAME PRESENT IN THE COCKPIT. THE FLIGHT DIVERTED TO PBI AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE NR 1 AND 2 RADIO MANAGEMENT PANELS. OPERATIONALLY CHECKED NORMALLY. (M)