As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EQUIPMENT FAN FAILED CREATED A ELECTRICAL SMELL IN CABIN. BPCU FAULTS AS FOLLOWS LEFT GEN POWER STS UNDER VOLT TRIP, OPPOSITE BUS OVERLOAD AND GCU 58. REF FIM 24-20-00 PAGE 182K STEP BJ RING OUT WIRES FROM L IDG TO GCU AND IDG TO CB C109 .REF WDM 24-21-11 PG1A SHEET2. NO FAULTS FOUND. REINSTALLED GCU AND CONNECTED CB C901, NEEDS OP CHECK.