What was found
THE FLIGHT ATTENDANTS REPORTED, A BURNING ODOR IN CABIN WHILE EN ROUTE. THE SMOKE CHECKLIST PROCEDURE WAS ACCOMPLISHED AND THE ODOR DISSIPATED AFTER THE RT PACK WAS SHUTDOWN. THE AIRCRAFT LANDED AT PVD WITHOUT FURTHER PROBLEM. MAINTENANCE FOUND NO EVIDENCE OF FIRE. THE AIR DISTRIBUTION FAN WAS FOUND INOPERATIVE WITH THE CIRCUIT BREAKER POPPED. THE AIR DISTRIBUTION FAN WAS PLACARDED INOPERATIVE. IN ADDITION, THE RT PACK WAS PLACARDED INOPERATIVE AS A PRECAUTIONARY MEASURE.