As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OUT, NR 4 GENERATOR BREAKER CYCLED OPEN AND CLOSED SEVERAL TIMES, GENERATOR WOULD NOT CARRY ITS OWN BUSS, VOLTS AND FREQUENCYS OK. THE CREW RETURNED TO DEPARTURE WITHOUT FURTHER INCIDENT. NR 4 GENERATOR WAS DEFERRED IAW MEL 24-10-01. MX REPLACED (CSD). OPS CHECK GOOD IAW MM 24-10-1. ACFT WAS RETURNED TO SERVICE.