As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED, ACFT WAS GNDED. DURING CLIMB OUT CREW NOTED A LOUD FAN SOUND WHICH WENT SILENT & A BURNING ELECTRICAL SMELL. THEY ALSO NOTED THAT THE EXTRACT FAN CB HAD POPPED. THE CREW DECLARED AN EMER & LANDED SAFELY WITH NO FURTHER INCIDENTS. REPLACED THE EXTRACT FAQN & ACCOMPLISHED A SATISFACTORY OPERATIONAL. CHECK IAW AMM 21-26-51.