As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STL IN FLIGHT LOST LT AC BUSS AND LT GENERATOR. HAD ASSOCIATED AC CROSS TIE LOCKOUT. LT SIDE WAS NOT PICKED UP BY THE RT SIDE. SERVICED LT CONSTANT SPEED DRIVE TO PROPER LEVEL AND CHANGED LT BUSS CONTROL PANEL. SYSTEM GROUND CHECKED NORMAL OPERATION. (CLOSED)