As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A REPORTED ELECTRICAL ODOR IN CABIN. DURING FLT AFT CABIN ECONOMY PLUS REPORTED ELECTRICAL ODOR. CREW TURNED ALL 4 CABIN RECIRC FANS AND ODOR CLEARED. FOUND AFT UPPER RECIRC FAN POPS CB WHEN TURNED ON. VENTILATED AIRCRAFT. RAN REMAINING FANS, NO FURTHER ODOR FOUND. NEEDS RECIRCULATION FAN AND FILTERS. DEACTIVATED AFT UPPER FAN. REPLACED AFT UPPER RECIRC FAN ASSY & REPLACED FILTER ASSY. OPS CHECKS NORMAL.