As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 AC GEN CAUTION ON TAKEOFF BELOW 30K. WE ABORTED TAKEOFF AND RAN THE E&A CHECKLIST WE COULD NOT RESET IT. REMOVED FROM SERVICE. REPLACED AC GEN ON #1 ENG IAW MTC 6242101 LEAK CHECK GOOD NO HELP REPLACED #1 AC GCU IAW AMM 24-21*-06-000-801/400-801 NO HELP. REMOVED AND REPLACED #1 ENG AC GEN IAW MTC 6242101 FOR THE SECOND TIME OPS CHECK AND LEAK CHECK GOOD OK FOR SERVICE. RETURNED TO SERVICE.