What was found
ICT FLT 100 EN ROUTE SAN TO PHL - DURING THE FLIGHT, THE NR 1 IDG LOW OIL PRESSURE LIGHT ILLUMINATED. THE IDG WAS DISCONNECTED PER PROCEDURES. SHORTLY AFTER THE APU WAS STARTED, THE APU HAD AN AUTO-SHUTDOWN. THE FLIGHT DIVERTED TO THE NEAREST SUITABLE AIRPORT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE SERVICED BOTH THE NR 1 ENGINE IDG AND THE APU DUE TO LOW OIL LEVELS. LEAK CHECKED OK.