What was found
STL - FLT 398 - APPROX 35 MIN OUT OF MCI, EN ROUTE TO PIT, THE NR 2 GENERATOR FAILED. FOLLOWED QRH PROCEDURES BUT THE GENERATOR WOULD NOT RESET. THE APU WAS ALREADY ON MEL, CREW WAS REQUIRED TO LAND AT THE NEAREST AIRPORT. FLT DIVERTED AND LANDED WITHOUT INCIDENT. NO EMERGENCY WAS DECLARED. MX SWAPPED GCU AND HAD CREW RUN THE ENGINE WITH NO HELP. GCU WERE SWAPPED BACK TO ORIGINAL POSITIONS. MX R&R THE NR 2 ENGINE CSD, GENERATOR (P/N 976J498-2) AND OIL COOLER (P/N UA538551-2) PER MM. OPERATIONAL CHECK AND LEAK CHECK GOOD. (M)