As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL ODOR IN COCKPIT, FLT DIVERTED. TURNED OFF UTILITY BUSS (LT & RT). ODOR STARTED CLEARING. NO SMOKE OR FIRE IAW CREW. FOUND LT RECIRC FAN IMPELLER CONTACTING FAN HSG AND RECIRC FAN CB POPPED. REPLACED FAN. RAN ALL PNEUMATICS SYS, ELECTRICAL SYS FOR 1.5 HRS. NO ODORS, SMELLS FOUND.