As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 42 - PHX-DCA - ODOR - DIRTY SOCK-OILY SMELL THAT MADE EYES BURN ON DESCENT TO DCA. REMOVED AND REPLACED RECIRCULATION FILTERS AND OZONE FILTERS AS PART OF DECONTAMINATION PROCESS. ACCOMPLISHED BURNOUT. NO SMOKE/ODOR IN COCKPIT/CABIN AFTER ENGINE RUN. NO FURTHER DIRTY SOCK SMELL INCIDENTS FOLLOWED.