As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT GENERATOR DRIVE LIGHT AND EICAS MESSAGE AFTER ENGINE START. REACTIVATED IDG ON LT ENG IAW AMM 24-11-01. SERVICED IDG IAW AMM 12-13-03. RAN LH ENG. IDG OPS CHECK GOOD. PER MCC REQUEST. DEACTIVATED LT ENG IDG IAW DDG PROCEDURES. REMOVED AND REPLACED THE NR 1 ENG IDG IAW AMM 24-11-01. OPS CHECKED GOOD.