As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DIVERTED DUE TO LEFT GENERATOR PROBLEM. FOUND INTEGRATED DRIVE GENERATOR (L) OIL LEVEL IS LOW. FOUND IDG OIL SERVICE LINE LEAKING. REPLACED LINE. RAN ENGINE AFTER IDG SVCE LINE INSTALLED. IDG OPS NORMALLY. A/C RETURNED TO SERVICE.