As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED AFTER TAKEOFF CREW RECEIVED A BLOWER FAULT & NOTED ELEC FUMES, BUT NO SMOKE. AN EMER WAS DECLARED & THE FLIGHT RETURNED WHERE IT LANDED SAFELY & TAXIED TO THE GATE. R & R 20HQ BLOWER MOTOR. ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK IAW 21-26-51.