What was found
DIVERSION, NO EMERG DECLARED, A/C LANDED WITHOUT INCIDENT* L GEN DRIVE EICAS ALERT IN CRUISE. FOLLOWED QRH PROCEDURE.DEFERRED IAW MEL 24-00-1-1.AIRCRAFT DID DISPLAY L GEN OIL MSG. DMP C/W, A/C OK FOR SERVICE.R/R LEFT ENGINE IDG IAW AMM 24-11-01. OPS AND LEAK CHECK GOOD.