As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 8011 KBAD/PHIK 05/25/07 - DURING CRUISE FLT350 ELECTRICAL FUMES REPORTED BY CABIN CREW IN A ZONE. COMPLIED WITH VOL 1 PROCEDURES. FUMES DISSIPATED WHEN CAB BUSS SWITCH SELECTED OFF. PAX REPORTED HIGH PITCHED NOISE FROM LEFT REAR WALL OF -A ZONE- UNKNOWN IF RELATED TO ODOR. ENTERED IN DEFERRED MAINTENANCE LOG DMI M21MA2507-143. RECIRCULATION FAN CONNECTOR REMOVED AND SECURED.