What was found
PHL - FLT 735 - EN ROUTE FROM ROC TO PHL, FLIGHT ATTENDANTS REPORTED A STRONG SMELL OF EXHAUST FUMES IN THE REAR OF THE CABIN. FLIGHT LANDED AT PHL WITHOUT FURTHER INCIDENT. MAINTENANCE VISUALLY INSPECTED AIR CONDITIONING PACKS FOR LEAKS AND DEFECTS. NO LEAKS OR DEFECTS NOTED. PERFORMED ENGINE IDLE RUN ON BOTH ENGINES. NO FUMES NOTED. AIRCRAFT OK FOR SERVICE. (M)