As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - LAS - EL - LOG 7757269 - AT CRUISE, THE CREW REPORTED THE RT ENGINE GENERATOR HAD DROPPED OFF LINE. THE APU WAS ON MEL. THE CREW DECLARED AN EMERGENCY. THE LANDING WAS UNEVENTFUL. MX REPLACED SENSOR 50XU2 PER MM 24-22-18. OPERATIONAL CHECK WAS GOOD DURING ENGINE RUN-UP. THE A/C WAS RETURNED TO SERVICE.