As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW DECLARED AN EMERGENCY AND ACFT DIVERTED. SMOKE & STRONG ACRID FUMES FROM FCU DURING CRUISE. ACCOMPLISHED TSM TASK 24-00-00 810-823-A INSPECTED REPORTED SUSPECT AREAS AND FOUND FCU TO HAVE ELECTRICAL BURNING ODOR INTERNALLY. R & R FCU IAW AMM 22-81-12. OPS CHECKED OK. FOUND NO OTHER DEFECTS OR SUSPECTED FAULTY UNITS OR COMPONENTS AT THIS TIME. OK TO CONTINUE SERVICE.