What was found
ORD - FLT 0682 - LEFT GENERATOR DRIVE LIGHT FLICKERED BEGINNING AND DURING CLIMB-OUT. DRIVE LIGHT CAME ON CONTINUOUSLY AFTER 1.5 HOURS OF FLIGHT. LEFT GENERATOR DRIVE DISCONNECTED. 5383/PLACARDED LT GEN INOP PER MEL 24-1. SERVICED BOTH ENG IDG TO OVERFLOW. APU OIL LEVEL FULL. ACCOMPLISHED MPM 24-01. ENTERED IN MIC. AUTH 4-193DC-B. REMOVED AND REPLACED IDG IAW MM 24-11-01-4-2. OPS CHECK GOOD, LEAK CHK GOOD. DISC GOOD. OPS CHECK GOOD AFTER DISCONNEECT. REMOVED MEL 4-193DC-B AND CLEARED MIC. (X)