What was found
DURING CRUISE, ENROUTE, CREW REPORTED A SMOKE ODOR IN CABIN. CAPTAIN DECLARED AN EMERGENCY AND REPORTED THAT WHILE DEPRESSURIZING, SMELL DISSIPATED. FLIGHT LANDED AT DESTINATION WITHOUT FURTHER INCIDENT. MX ACCOMPLISHED TROUBLESHOOTING CABIN ODOR JOB CARD IAW 03L00021001. NO DISCREPANCIES NOTED. PROGRAMMED FOR RECIRCULATION FAN HEPA FILTER REPLACEMENT, AS PRECAUTIONARY, NEXT MX. SUBSEQUENTLY, MX REPLACED HEPA FILTERS IAW AMM 21-21-23-401, AS PRECAUTIONARY.