As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE BWI-PIT, WITH TEH APU GENERATOR ON MEL, THE CREW RECEIVED THE EICAS MESSAGE 'L GEN DRIVE' AND THE ASSOCICATED LIGHT. CREW COULD NOT RESET THE IDG. FLIGHT CONTINUED TO PIT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE IDG. THE APU GENERATOR WORKED SATISFACTORILY AFTER REPLACEMENT OF THE APU BATTERY. (M)