What was found
GEN 2 "SOURCE OFF" LIGHT ILLUMINATED 15 MINUTES AFTER TAKEOFF. QRH PROCEDURE ACCOMPLISHED. NR 2 DRIVE LIGHT ILLUMINATED 2 MINUTES AFTER "SOURCE OFF" LIGHT. NR 2 DRIVE DISCONNECTED PER QRH PROCEDURE. DIVERSION TIME 31 MINUTES. PERFORMED TASK 24 11 11 090 801 FOUND PARTICLES IN NR 2 ENG IDG OIL FILTER. FLUSHED IDG OIL LINES REPLACED NR 2 ENG IDG PER MM 24 11 11 OPS AND LEAK CHECKS GOOD. REPLACED NR 2 ENG IDG OIL COOLER REF MM 73 11 06 LEAK CHECKS GOOD. REPLACED NR 2 IDG AIR OIL COOLER REF MM 24 11 21, LEAK CHECKS GOOD.