What was found
(CAN) AIRCRAFT ARRIVED IN GEORGETOWN (GGO) WITH THE " NR 1 DC GEN HOT" CAUTION LIGHT & HEATER CAUTION LIGHT. THE STARTER GENERATOR AND AREA AROUND IT INSPECTED AS PER MEL 24-1, STARTER GENERATOR FUNCTIONED CHECKED. OK.AIRCRAFT ARRIVED LATER AT PORT OF SPAIN (POS), WHEN THE CREW WAS READY TO DEPART AND COMMENCE STARTING OF THE NR 1 ENGINE, IT WOULD NOT START.STARTER GENERATOR REPLACED, SYSTEM OPERATES CORRECTLY.