What was found
FLT 1109 JFK-RDU, CREW DECLARED EMERGENCY DUE TO SMELL IN COCKPIT DURING DESCENT. F/A'S CALLED TO REPORT SMOKE IN CABIN OVER EMERGENCY EXIT ROWS. DONNED O2 MASKS AND RAN QRH. AFTER LANDED AND STOPPED ON RUNWAY NO INTERNAL OR EXTERNAL INDICATION OF SMOKE/FIRE. INSPECTED ALL ASSOCIATED COMPONENTS CEILING LIGHTS, LTV READING LIGHTS PACKS, DROPPED ALL CEILING PANELS, INSPECTED GALLEYS AND COCKPIT NO DEFECTS NOTED IAW FIM 21-20-00-810-801-A. LTVE TV ELECTRICAL ODOR SYSTEM CHECK NO DEFECTS NOTED. ON 6/20/12 FLIGHT 1329 DURING TAXI CREWMEMBER REPORTED SMOKE SMELL IN CABIN. TECHNICIAN FOUND NR 2 ACM FAILED. REMOVED AND REPLACED RIGHT ACM IAW AMM 21-51-05. OPS CHECK GOOD.