As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO IAD AFTER ELECTRICAL FUMES IN COCKPIT AND THROUGHOUT CABIN ON APPROACH, GOT EQUIPMENT COOLING OVERHEAT LIGHT WITH EFI SYMBOLS DEGRADING. FOUND NR 1 FORWARD EQUIPMENT COOLING FAN C/B POPPED AND FOUND NR 1 FAN SEIZED. REPLACED FAN EQUIPMENT COOLING, OP CHECKS NORMAL.