As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 5521 TAXING OUT, THE CREW NOTICED THE RT GENERATOR WOULD NOT STAY ONLINE. THE AIRCRAFT RETURNED TO GATE FOR MAINTENANCE. MAINTENANCE FOUND THAT THE RIGHT GENERATOR WILL NOT ENERGIZE. MAINTENANCE REMOVED AND REPLACED GENERATOR, GCU AND REPAIRED A WIRE ON THE GENERATOR. TEARDOWN REPORT WILL BE AVAILABLE AT A LATER DATE. REFER TO SDR 52776.