As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT GENERATOR EICAS MESSAGE DISPLAYED. GENERATOR DRIVE LIGHT ILLUMINATED. GENERATOR DRIVE DISCONNECTED. *S/D* MECHANICS PERFORMED BPCU BIT TEST, INLET TEMP SENSOR-WIRING RIGHT IDG MESSAGE WAS DISPLAYED. DURING IDG INSPECTION FOUND T2 POWER CABLE TERMINAL STUD LOOSE DUE TO OVERHEAT. THE IDG WAS REPLACED. SYSTEM OPERATIONALLY CHECKED GOOD.