As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, THE RT GENERATOR DID NOT POWER THE BUSS. APU STARTED BUT HAD TO SHUT DOWN DUE TO HIGH OIL TEMP. AIRCRAFT HAD TO DIVERTED TO XXX. MAINTENANCE FOUND THE RT GEN POWER RELAY IN FAULT. RELAY REPLACED AND GENERATOR POWER CHECKED SERVICEABLE. THE APU OIL LEVEL FOUND HIGH AND OIL RESERVICED AS PER MM. AIRCRAFT DISPATCHED SERVICEABLE.