As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - FL 114 - CLIMBING OUT OF SEA, CREW RECEIVED THE EICAS MESSAGE 'R GEN OFF' AND THE RIGHT GENERATOR LIGHT ILLUMINATED. CREW COULD NOT RESET THE IDG. CREW TRIED TO START THE APU WITHOUT SUCCESS. FLIGHT RETURNED TO SEA WITH NO FURTHER INCIDENT. (M)