What was found
DURING CLIMBOUT AT 13,000 FEET, FLIGHT ATTENDANT REPORTED HOT RUBBER ODOR COMING FROM AIR CONDITIONING VENT AT GALLEY AREA, NO SMOKE WAS REPORTED. FLIGHT WAS RETURNED TO ORD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED RIGHT PACK COALESCER BAG. NO FURTHER PROBLEMS WERE FOUND DURING PACK RUN.