As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING LEVEL OFF OUT OF DFW NOTICED A STONG ODOR OF SMOKE PREVALENT THROUGHOUT THE AIRCRAFT. SMOKE ODOR STRONG BUT BARELY VISIBLE. EMERGENCY DESCENT MADE AND ALL EMERGENCY CHECK LISTS COMPLIED WITH. FOUND GASPER FAN SHORTED. REPLACED GASPER FAN IAW MM 21231. OPERATIONALLY CHECKS GOOD.