What was found
FUMES THROUGH OUT CABIN, DIRTY SOCK, MELTED WAX ODOR CONTINUED UNTIL TOUCHDOWN. ACCOMPLISHED J/C 26L00021001, 26L00021002,& 26L0004, FOUND SOURCE OF ODOR. AC DIVERTED INTO IAD ON ACCOUNT OF ODOR REPORTED IN CABIN. CREW DECLARED EMERGENCY AND FLIGHT LANDED WITHOUT INCIDENT. ARFF MET FLIGHT AND C TAXIED TO GATE ON IT'S OWN POWER. REPLACED EXTRACT FAN 18HQ PER AMM 21-26-51. OPERATIONS CHECK GOOD.