What was found
DURING CLIMB THROUGH 15,000 FT, THE CREW REPORTED THE ODOR OF SMOKE IN THE CABIN AND FLIGHT DECK. THE AIRCRAFT RETURNED TO IAH AND LANDED WITHOUT INCIDENT WHERE MAINTENANCE INSPECTED THE AIRCRAFT. ENGINE RUNS WERE PERFORMED OPERATING THE PRESSURIZATION, AIR CONDITIONING, AND BLEED SYSTEMS AND THE ODOR COULD NOT BE DUPLICATED. THE AIRCRAFT WAS TEST FLOWN SATISFACTORILY WITH NO ODOR OF SMOKE IN THE CABIN OR FLIGHT DECK.