What was found
(CAN) FLIGHT INTO WINNIPEG, NR 2 INTEGRATED GENERATOR DISCONNECTED DUE LOW OIL PRESSURE LIGHT. APPROXIMATELY 40 MINUTES LATER, NR 1 INTEGRATED DRIVE GENERATOR WAS DISCONNECTED DUE FAILURE.AIRCRAFT OPERATED WITH AUXILIARY POWER UNIT GENERATOR.INTEGRATED DRIVE GENERATOR CHANGED ON NR 1 AND 2 ENGINE, SYSTEM CHECKED SERVICEABLE.