As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#1 GEN DISCONNECT WHILE IN FLIGHT. ATTEMPTED BUS TIE AND RESET; #1 GEN DISCONNECT REMAINED AND GEN 2 PICKED UP LOAD. DURING DC POWER CHECK WITH GCU 1 AND 2 SWAPPED, THE GEN DISCONNECT MOVED TO THE #2 SIDE. REMOVED AND REPLACED #1 GCU IAW AMM 24-30-00, 4-1. MOC OK.