What was found
NON-ETOPS FLIGHT 483 RNO-SNA. AFTER ENGINE START, CREW NOTED THE NR 1 ENGINE IDG DRIVE LIGHT ILLUMINATED. CREW DISCONNECTED THE NR 1 IDG AND RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE DEFERRED THE NR 1 IDG PER MEL 24-1-2 AND RELEASED THE AIRCRAFT FOR SERVICE. FLIGHT 483 CONTINUED TO SNA WHERE MAINTENANCE REMOVED AND REPLACED THE NR 1 IDG IN ACCORDANCE WITH ALOHA MAINTENANCE TASK FORM M-727. THE IDG PASSED ALL MAINTENANCE CHECKS AND INSPECTIONS AND THE AIRCRAFT WAS RELEASED FOR SERVICE. THE IDG PASSED A FLIGHT VERIFICATION ON THE NEXT FLIGHT LEG.