What was found
AT 2 HOURS 10 MINS INTO FLIGHT, LEFT GEN DRIVE LIGHT ILLUMINATED THEN EXTINGUISHED. ALSO, DRIVE EICAS MESSAGE, THEN ALSO EXTINGUISHED. TRANSFERRED TO DMI # 117578 IAW DDG 24-00-01-01, CAT B, DUE DATE: 14SEP19 LP 1087262 - M2: REMOVED AND REPLACED LEFT ENGINE IDG PER AMM 24-11-01. OPS TESTED GOOD. NO DEFECTS NOTED AT THIS TIME. THIS CLEARS MDDR 117578.