What was found
FLT 879 - MNL - IN FLT HAD THE BTB, GENERATOR FIELD RELAY, AND GENERATOR BREAKER LIGHT ILLUMINATED ON NR 2 ENGINE. CREW FOLLOWED PROCEDURE BUT DID NOT DISCONNECT GENERATOR DRIVE. THE NR 2 BUS WAS BROUGHT BACK ON LINE, RETAINED NR 2 CSD AS STANDBY WHILE MONITORING NR 2 ENGINE GEN DRIVE OIL TEMPERATURE. MAINTENANCE REMOVED AND REPLACED NR 2 GENERATOR PER MM 24-10-11 AND PERFORMED GROUND ENGINE RUNUP AND OPERATIONAL CHECK PER MM 71-00 FOUND OK. CLOSED AND SECURED ENGINE COWLING AND RELEASED AIRCRAFT FOR SERVICE. (M)