As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(ORIG-CLOSED) FLT 431. ON TAKEOFF ROLL BELOW 40 KTS, RT GENERATOR TRIPPED OFF. AIRCRAFT RETURNED TO GATE. MAINTENANCE REMOVED AND REPLACED THE RT GCU IAW MM. PERFORMED GENERATOR CONTROL ADJUSTMENT AND TEST IAW AMM OPERATIONAL CHECKS NORMAL.