As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECIRC FAN STATUS MESSAGE IN FLIGHT WITH ELEC ODOR IN FWD BUSINESS SECTION AND SLIGHT VISUAL. NO ODOR IN COCKPIT. DISSIPATED IN 1-2 MINUTES. REPLACE RECIRC FAN. SYSTEM OPS CK NORMAL. ETOPS CATEGORY 'F': ANY OTHER EVENT DETRIMENTAL TO ETOPS.