What was found
MIA - FLT 0998 - TWO HOURS INTO FLIGHT, THE LEFT GENERATOR DRIVE LIGHT FLICKERED SEVERAL TIMES WITH A FLICKERING STATUS MESSAGE FOLLOWED IMMEDIATELY BY THE DRIVE LIGHT STEADY. LEFT GENERATOR DROPPED OFF-LINE. REF 24-1 AUTH 2-465DC-B DEF. LT ENG GEN AS INOP PER MEL SVCD. BOTH ENG IDG'S AND APU OIL - ENTERED IN MIC SHEET. T/S AND REPLACED LEFT ENG IDG. OPS CHECK GOOD UNDER FULL ELECTRICAL LOAD. NO LEAKS FOUND. CLEARED MIC SHEET AND REMOVED MEL PLACARD. (X)